Patent Grant
9378584
The use of computer systems and computer-related technologies continues to increase at a rapid pace. This increased use of computer systems has influenced the advances made to computer-related technologies. Indeed, computer systems have increasingly become an integral part of the business world and the activities of individual consumers. For example, computers have opened up an entire industry of internet shopping. In many ways, online shopping has changed the way consumers purchase products. However, in some cases, consumers may avoid shopping online. For example, it may be difficult for a consumer to know if they will look good in and/or with a product without seeing themselves in and/or with the product. In many cases, this challenge may deter a consumer from purchasing a product online. Therefore, rendering three-dimensional (3-D) scenes to improve the online shopping experience may be desirable.
According to at least one embodiment, a computer-implemented method for virtual rendering virtual try-on products is described. A first render viewpoint of a virtual three-dimensional (3-D) space may be selected that includes a 3-D model of at least a portion of a user generated from an image of the user and a 3-D polygon mesh of an object. Polygons of the 3-D polygon mesh may be designated as backwards-facing polygons and front-facing polygons in relation to the first render viewpoint. A shadow texture map of the object may be applied to the 3-D model of the user. A transparency texture map of the object may be applied to a backwards-facing polygon of the 3-D polygon mesh of the object. A first color texture map of the object may be applied to the result of the application of the transparency texture map to the backwards-facing polygon. The virtual 3-D space may be rendered at the first render viewpoint. The transparency texture map of the object may be applied to a front-facing polygon of the 3-D polygon mesh of the object. The first color texture map of the object may be applied to the result of the application of the transparency texture map to the front-facing polygon. The virtual 3-D space may be rendered at the first render viewpoint
In some embodiments, at least a portion of the 3-D polygon mesh of the object may be placed within a predetermined distance of at least one point on the 3-D model of the user.
In some embodiments, a shadow value of the object may be detected from a scan of the object. In some cases, a shadow texture map may be created from the detected shadow value. A 2-D coordinate of the shadow texture map may be mapped to a point on the 3-D model of the user and a value of the point on the 3-D model of the user may be multiplied by the shadow value.
In some embodiments, a transparency value of the object may be detected from a scan of the object. In some cases, a transparency texture map may be created from the detected transparency value. A 2-D coordinate of the transparency texture map may be mapped to a point on the 3-D model of the user and the 3-D polygon mesh of the object. A value of the point on the 3-D model of the user and the 3-D polygon mesh of the object may be multiplied by the transparency value.
In some embodiments, a first scanning angle of a scan of an object may be selected. The first scanning angle may correspond to the first render viewpoint. In some cases, a first color value of the object may be detected at the first scanning angle. A first color texture map may be created from the detected color value. A 2-D coordinate of the first color texture map may be mapped to a point on the 3-D model of the user and the 3-D polygon mesh of the object. The resultant value of multiplying the point on the 3-D model of the user and the 3-D polygon mesh of the object by the transparency value may be multiplied by the first color value.
In some embodiments, a second render viewpoint of the virtual 3-D space may be selected. In some cases, a second scanning angle of a scan of an object may be selected. The second scanning angle may correspond to the second render viewpoint. A second color value of the object at the second scanning angle may be detected. A second color texture map from the detected second color value may be created. In some cases, the shadow texture map of the object may be applied to the 3-D model of the user at the second render viewpoint. The transparency texture map of the object may be applied to the backwards-facing polygon of the 3-D polygon mesh of the object at the second render viewpoint. The second color texture map of the object may be applied to the result of the application of the transparency texture map to the backwards-facing polygon at the second render viewpoint. The transparency texture map of the object may be applied to the front-facing polygon of the 3-D polygon mesh of the object at the second render viewpoint. The second col- or texture map of the object may be applied to the result of the application of the transparency texture map to the front-facing polygon at the second render viewpoint. The virtual 3-D space may be rendered at the second render viewpoint.
In some embodiments, the 3-D polygon mesh of the object may be divided into two or more portions. An order to the portions of the divided 3-D polygon mesh of the object may be determined from furthest portion to closest portion relative to the determined render viewpoint of the virtual 3-D space.
In some cases, the present system may determine whether a portion of the 3-D polygon mesh of the object is visible in relation to the 3-D model of the user based on the determined render viewpoint. The 3-D polygon mesh of the object may be rendered from the furthest portion to the closest portion based on a visible portion of the 3-D polygon mesh of the object.
A computing device configured to scale a three-dimensional (3-D) model is also described. The device may include a processor and memory in electronic communication with the processor. The memory may store instructions that are executable by the processor to select a first render viewpoint of a virtual 3-D space. The virtual 3-D space may include a 3-D model of at least a portion of a user generated from an image of the user and a 3-D polygon mesh of an object. Additionally, the instructions may be executable by the processor to designate a first polygon of the 3-D polygon mesh of the object as a backwards-facing polygon in relation to the first render viewpoint, designate a second polygon of the 3-D polygon mesh of the object as a front-facing polygon in relation to the first render viewpoint, and apply a shadow texture map of the object to the 3-D model of the user. Additionally, the instructions may be executable by the process to apply a transparency texture map of the object to the backwards-facing polygon of the 3-D polygon mesh of the object, apply a first color texture map of the object to the result of the application of the transparency texture map to the backwards-facing polygon, and render the virtual 3-D space at the first render viewpoint.
A computer-program product to scale a three-dimensional (3-D) model is also described. The computer-program product may include a non-transitory computer-readable medium that stores instructions. The instructions may be executable by a processor to select a first render viewpoint of a virtual 3-D space. The virtual 3-D space comprises a 3-D model of at least a portion of a user generated from an image of the user and a 3-D polygon mesh of an object. Additionally, the instructions may be executable by the processor to designate a first polygon of the 3-D polygon mesh of the object as a backwards-facing polygon in relation to the first render viewpoint, designate a second polygon of the 3-D polygon mesh of the object as a front-facing polygon in relation to the first render viewpoint, and apply a shadow texture map of the object to the 3-D model of the user. Additionally, the instructions may be executable by a processor to apply a transparency texture map of the object to the backwards-facing polygon of the 3-D polygon mesh of the object, apply a first color texture map of the object to the result of the application of the transparency texture map to the backwards-facing polygon, and apply the transparency texture map of the object to the front-facing polygon of the 3-D polygon mesh of the object. Additionally, the instructions may be executable by the processor to apply the first color texture map of the object to the result of the application of the transparency texture map to the front-facing polygon and render the virtual 3-D space at the first render viewpoint.
Features from any of the above-mentioned embodiments may be used in combination with one another in accordance with the general principles described herein. These and other embodiments, features, and advantages will be more fully understood upon reading the following detailed description in conjunction with the accompanying drawings and claims.
The accompanying drawings illustrate a number of exemplary embodiments and are a part of the specification. Together with the following description, these drawings demonstrate and explain various principles of the instant disclosure.
While the embodiments described herein are susceptible to various modifications and alternative forms, specific embodiments have been shown by way of example in the drawings and will be described in detail herein. However, the exemplary embodiments described herein are not intended to be limited to the particular forms disclosed. Rather, the instant disclosure covers all modifications, equivalents, and alternatives falling within the scope of the appended claims.
The systems and methods described herein relate to the virtually tying-on of products. Three-dimensional (3-D) computer graphics are graphics that use a 3-D representation of geometric data that is stored in the computer for the purposes of performing calculations and rendering 2-D images. Such images may be stored for viewing later or displayed in real-time. A 3-D space may include a mathematical representation of a 3-D surface of an object. A 3-D model may be contained within a graphical data file. A 3-D model may represent a 3-D object using a collection of points in 3-D space, connected by various geometric entities such as triangles, lines, curved surfaces, etc. Being a collection of data (points and other information), 3-D models may be created by hand, algorithmically (procedural modeling), or scanned such as with a laser scanner. A 3-D model may be displayed visually as a two-dimensional image through a process called 3-D rendering, or used in non-graphical computer simulations and calculations. In some cases, the 3-D model may be physically created using a 3-D printing device.
A virtual 3-D space may include a 3-D model of a user's face and a polygon mesh of a pair of glasses. The 3-D polygon mesh of the pair of glasses may be placed on the user to create a 3-D virtual depiction of the user wearing a properly scaled pair of glasses. This 3-D scene may then be rendered into a two-dimensional (2-D) image to provide the user a virtual depiction of the user wearing a certain style of glasses. Although many of the examples used herein describe the virtual try-on of glasses, it is understood that the systems and methods described herein may be used to virtually try-on a wide variety of products. Examples of such products may include glasses, clothing, footwear, jewelry, accessories, hair styles, etc.
In some configurations, a device 102 may include a rendering module 104, a camera 106, and a display 108. In one example, the device 102 may be coupled to a database 110. In one embodiment, the database 110 may be internal to the device 102. In another embodiment, the database 110 may be external to the device 102. In some configurations, the database 110 may include polygon model data 112 and texture map data 114.
In one embodiment, the rendering module 104 may enable a user to virtually try-on a pair of glasses. In some configurations, the rendering module 104 may obtain multiple images of a user. For example, the rendering module 104 may capture multiple images of a user via the camera 106. For instance, the rendering module 104 may capture a video (e.g., a 5 second video) via the camera 106. In some configurations, the rendering module 104 may use polygon model data 112 and texture map data 114 to generate a 3-D representation of a user. For example, the polygon model data 112 may include vertex coordinates of a polygon model of the user's head. In some embodiments, the rendering module 104 may use color information from the pixels of multiple images of the user to create a texture map of the user. In some configurations, the rendering module 104 may generate and/or obtain a 3-D representation of a product. For example, the polygon model data 112 and texture map data 114 may include a 3-D model of a pair of glasses. In some embodiments, the polygon model data 112 may include a polygon model of an object. In some configurations, the texture map data 114 may define a visual aspect (e.g., pixel information) of the 3-D model of the object such as color, texture, shadow, or transparency.
In some configurations, the rendering module 104 may generate a virtual try-on image by rendering a virtual 3-D space that contains a 3-D model of a user and a 3-D model of a product. In one example, the virtual try-on image may illustrate the user with a rendered version of the product. In some configurations, the rendering module 104 may output the virtual try-on image to the display 108 to be displayed to the user.
In some embodiments, the server 206 may include the rendering module 104 and may be coupled to the database 110. For example, the rendering module 104 may access the polygon model data 112 and the texture map data 114 in the database 110 via the server 206. The database 110 may be internal or external to the server 206.
In some configurations, the application 202 may capture multiple images via the camera 106. For example, the application 202 may use the camera 106 to capture a video. Upon capturing the multiple images, the application 202 may process the multiple images to generate result data. In some embodiments, the application 202 may transmit the multiple images to the server 206. Additionally or alternatively, the application 202 may transmit to the server 206 the result data or at least one file associated with the result data.
In some configurations, the rendering module 104 may process multiple images of a user to generate a 3-D model of the user. In some configurations, the rendering module 104 may process a scan of an object to create a 3-D polygon model of the object. The rendering module 104 may render a 3-D space that ineludes the 3-D model of the user and the 3-D polygon model of the object to render a virtual try-on 2-D image of the object and the user. The application 202 may output the rendered virtual try-on image to the display 208 to be displayed to the user.
In some embodiments, the 3-D model of the user's head 304 may include a polygon model of the user's head, which may be stored in the database 110 as polygon data 112, and at least one texture map, which may be stored in the database 110 as texture map data 114. In some embodiments, the 3-D model of the glasses 306 may include a polygon model of the glasses, which may be stored in the database 110 as polygon data 112, and at least one texture map, which may be stored in the database 110 as texture map data 114. In some embodiments, the polygon model of the glasses may include front-facing polygons 312 and backwards-facing polygons 314. For example, those polygons that face the first rendering viewing angle 308 may be designated as front-facing polygons 312 and those polygons that do not face the first rendering viewing angle 308 may be designated as backwards-facing polygons 314.
In some embodiments, the 3-D model of the glasses 306 may be divided into multiple parts. As depicted in
In some embodiments, the rendering module 104 may determine whether a portion of the 3-D model of the glasses 306 is visible in relation to a render of the 3-D space 302 at a particular render viewpoint. For example, as depicted in
In some embodiments, the rendering module 104-a may include a scanning module 402, a polygon mesh module 404, a texture mapping module 406, a hidden surface detection module 408, a blurring module 410, and an edge detection module 412. In one embodiment, the rendering module 104-a may be configured to select a first render viewpoint of a virtual 3-D space. A render viewpoint may be the point of view of a virtual 3-D space, and may be referred to as the view reference point (VRP). In other words, the render viewpoint may be the view a user would see were a user to gaze at a depiction of the 3-D space or 3-D scene from a certain point of view. Thus, theoretically an infinite number of render viewpoints are possible that involve the orientation of the 3-D space relative to the position of a point of view of the 3-D space. The virtual 3-D space may include a 3-D model of at least a portion of a user generated from an image of the user. For example, the virtual 3-D space may include a 3-D model of a user's head that is generated from one or more images of the user's head. The virtual 3-D space may also include a 3-D polygon mesh of an object. For instance, the virtual 3-D space may include a 3-D polygon mesh of a pair of glasses. The 3-D polygon mesh may include a collection of vertices, edges and surfaces that define the shape of a polyhedral object in 3-D computer graphics and modeling. The surface of the 3-D polygon mesh may include triangles, quadrilaterals, or other convex polygons. In some configurations, the rendering module 104-a may be configured to render the virtual 3-D space at a selected render viewpoint such as the first render viewpoint. In some embodiments, the rendering module 104-a may be configured to place or position at least a portion of the 3-D polygon mesh of the object within a predetermined distance of at least one point on the 3-D model of the user. For instance, the 3-D polygon mesh of the object may include a 3-D polygon mesh of a pair of glasses. The 3-D polygon mesh of the glasses may be placed within a predetermined distance of a 3-D model of the user's head. For example, a 3-D polygon mesh of a pair of glasses may be placed within a predetermined distance of a 3-D model of a user's head so as to make the 3-D polygon mesh of the glasses appear to be worn on the head of a 3-D model of the user.
In some embodiments, the rendering module 104-a may be configured to select a second render viewpoint of the virtual 3-D space. For example, the rendering module 104-a may select a first render viewpoint that depicts a side-view, or profile of a 3-D model of a user's head wearing a 3-D model of a pair of glasses. The rendering module 104-a may select a second render viewpoint that depicts a frontal, head-on view of the 3-D model of the user's head wearing a 3-D model of the pair of glasses. In some configurations, the rendering module 104-a may be configured to render the virtual 3-D space at the first and second render viewpoints. Thus, the rendering module 104-a may render a side-view of the 3-D model of the user wearing the 3-D model of the pair of glasses (i.e., the first render viewpoint), and may render a head-on view where the 3-D depiction of the user's face is directly facing in the direction of the rendering of the 3-D space.
In some embodiments, the scanning module 402 may be configured to detect a shadow value of an object from a scan of the object. A shadow value of an object may include information about a shadow cast by the object captured from the scan of the object. For example, a pair of glasses may be scanned by a laser. From this laser scan the scanning module 402 may detect one or more values associated with a shadow cast by the object. For example, the scanning module 402 may detect a level of shadow cast by certain parts of a pair of glasses. The scanning module 402 may determine that the degree of shadow cast by an opaque segment of the pair of glasses is greater than the degree of shadow cast by the lens. Furthermore, the scanning module 402 may determine that directly behind the center of an arm of the glasses running the length of the arm may cast a higher degree of shadow than the edges of the arm where a shadow may gradually dissipate.
In some configurations, the scanning module 402 may be configured to detect a transparency value of an object from a scan of the object. A transparency value of an object may include information about the transparent nature of a portion of the object captured from the scan of the object. For example, the scanning module 402 may determine that a lens in a pair of glasses has a transparency value of 50%, meaning that 50% of the light that hits the surface of the lens is transferred through the lens and the other 50% of the light is reflected off the surface of the lens. The scanning module 402 may detect the 50% transparency as one transparency value associated with the scan of the glasses. Additionally, the scanning module 402 may determine that a portion of the frame of the pair of glasses has a transparency value of 0%, meaning that 100% of the light that hits the surface of the frame is reflected. The scanning module 402 may detect the 0% transparency as another transparency value associated with the scan of the glasses.
In one embodiment, the scanning module 402 may be configured to select a first scanning angle of a scan of an object. The first scanning angle may correspond to the first render viewpoint. Thus, scanning a pair of glasses at 30 degrees left of center of a pair of glasses may correspond to an image of a user taken at 30 degrees left of a center or head-on view of the user. In some embodiments, the scanning module 402 may be configured to detect a first color value from a scan of an object at the first scanning angle. A color value of an object may include information about a visual aspect of the object captured from the scan of the object. For example, the scanning module 402 may scan a pair glasses with shiny red frames. Thus, the scanning module 402 may detect the red color of the frames as one color value associated with the scan of the glasses. Additionally or alternatively, the scanning module 402 may detect other visual aspects associated with the scanned frames such as the reflectivity of the frames and save the reflectivity as a value associated with the surface of the frames. In some configurations, the scanning module 402 may be configured to select a second scanning angle of a scan of an object. The second scanning angle may correspond to the second render viewpoint. The scanning module 402 may be configured to detect a second color value of an object at the second scanning angle. Thus, scanning a pair of glasses at 40 degrees left of the center or head-on view of a pair of glasses may correspond to a second image of a user taken at 40 degrees left of the center or head-on view of the user. Similar to the scan at the first angle, the scanning module 402 may detect visual aspects associated with the frames scanned at the second scanning angle such as the color and reflectivity of the frames and save the color and reflectivity as values associated with the surface of the frames
In some embodiments, the hidden surface detection module 408 may be configured to determine whether a portion of the 3-D polygon mesh of the object is visible in relation to the 3-D model of the user based on the determined render viewpoint. The rendering of the 3-D space may include rendering the scene of the virtual 3-D space based on a visible portion of the 3-D polygon mesh of the object. In other words, rendering the 3-D space when the render viewpoint depicts the left side of the 3-D model of the user's head, portions of the 3-D polygon mesh of the object that are positioned to the right side of the 3-D model of the user's head would not be visible in the render. In other words, in some embodiments, the texture mapping module 406 does not apply one or more elements of the texture maps (i.e., shadow texture map, transparency texture map, and/or color texture map) to those portions of the 3-D polygon mesh of the object that would not be visible in the render due to the positioning of the 3-D model of the user relative to the selected render viewpoint. Thus, in some embodiments, the rendering module 402-a renders those portions of the 3-D polygon mesh of the object that are visible based on the determined render viewpoint.
In some embodiments, the polygon mesh module 404 may be configured to designate at least one polygon of the 3-D polygon mesh of the object as a backwards-facing polygon in relation to a render viewpoint. In some configurations, the polygon mesh module 404 may be configured to designate at least one polygon of the 3-D polygon mesh of the object as a front-facing polygon in relation to a render viewpoint. As explained above, the 3-D polygon mesh of the object may include a collection of vertices, edges and surfaces that define the shape of a polyhedral version of the object in a virtual 3-D space. Thus, the surface of a 3-D polygon mesh of a pair of glasses may include triangles, quadrilaterals, or other convex polygons. As with all 3-D objects, the surface of the 3-D polygon mesh of the pair of glasses may include polygons on six different surfaces. For example, the left arm of a pair of glasses may include top and bottom surfaces, left and right surfaces, and front and back surfaces in relation to a given render viewpoint. With a render viewpoint positioned to view the left side of a 3-D model of a user's head, the polygons of the outside surface of the left arm of a 3-D model of a pair of glasses worn on the 3-D model of the user's head would face the render viewpoint. The inside surface, the polygons facing the left side of the 3-D model of the user's face, would face away from the render viewpoint. Thus, with a render viewpoint positioned to view the left side of a 3-D model of a user's head, the polygon mesh module 404 may designate the polygons of the outside surface of the left arm of a 3-D model of a pair of glasses worn on the 3-D model of the user's head as front-facing polygons. Similarly, the polygon mesh module 404 may designates the inside polygons facing the left side of the 3-D model of the user's face as backwards-facing polygons. As explained above with reference to
In some embodiments, the rendering module 104-a may be configured to determine an order to multiple portions of a divided 3-D polygon mesh of an object from the farthest portion to the closest portion relative to a determined render viewpoint of the virtual 3-D space. For example, with a render viewpoint of a left profile of a 3-D model of a user's head wearing a 3-D model of a pair of glasses, the render module 104-a may determine the polygon mesh of the left arm of the pair of glasses to be the closest portion of the 3-D polygon mesh of the glasses, followed by the left lens and frame and the right lens and frame. Thus, the render module 104-a may determine that the polygon mesh of the right arm of the pair of glasses to be the farthest portion of the 3-D polygon mesh of the glasses. Upon determining the order of the parts of the 3-D polygon mesh of an object, in some embodiments, the rendering module 104-a may be configured to render the 3-D polygon mesh of the object from the furthest portion to the closest portion.
Referring again to
In some embodiments, the texture mapping module 406 may be configured to create a first color texture map from a detected first color value from a scan of the object at a first scanning angle. In some embodiments, the texture mapping module 406 may be configured to create a second color texture map from the detected second color value from a scan of the object at a second scanning angle. For example, the texture mapping module 406 may convert a color value detected from a scan of an object by the scanning module 402 into a 2-D image and store the color texture map 2-D image as texture map data in the database 110. In some embodiments, the texture map data 114 of the polygon mesh of the object may contain a color texture map for every angle at which the object is scanned. For example, with the user holding his or her head vertically, if the user's head is scanned in a pan around the user's head from −70 degrees to the side of the head-on view of the user's face to +70 degrees to the side of the head-on view of the user's face in 10 degree intervals, then the scan would include 15 reference viewpoints of the user's head, including a straight, head-on view of the user's face at 0 degrees. The scanning module 402 may then scan a pair of glasses from −70 degrees to +70 degrees to create 15 corresponding reference viewpoints of the glasses. Thus, in some embodiments, the texture mapping module 406 may create 15 color texture maps, one for each of the 15 corresponding reference viewpoints of the glasses. However, in some embodiments, the texture mapping module 406 may create a single shadow texture map and a single transparency map for the 15 corresponding reference viewpoints of the glasses. In some embodiments, the texture mapping module 406 may be configured to map a 2-D coordinate of the first color texture map to a point on the 3-D model of the user and a point on a 3-D polygon mesh of the object, which may be the same points associated with the application of the transparency texture map. Thus, in some configurations the texture mapping module 406 may be configured to multiply the result of multiplying the transparency texture map and the point on the 3-D model of the user and the 3-D polygon mesh of the object by the first color value. In other words, the texture mapping module 406 may first apply the transparency of the lens on a 3-D polygon mesh of a pair of glasses (i.e., merging the visible portion of the user with the transparent portion of the glasses) and then apply the color of the lens to that result.
In some embodiments, the texture mapping module 406 may be configured to apply a shadow texture map of an object to a 3-D model of a user. As explained above with reference to
In some configurations the texture mapping module 406 may be configured to apply a transparency texture map of the object to backwards-facing polygons of the 3-D polygon mesh of the object. Applying the transparency values of backwards-facing triangles before front-facing triangles allows portions of the 3-D polygon mesh that would be visible through a transparent section of the mesh (i.e., the lenses) to be rendered before other portions of the 3-D polygon mesh that would block portions of the 3-D polygon mesh of the object and 3-D model of the user that would normally be viewable through the transparent section. For example, with a render viewpoint from the left of the user, a portion of the back of the frames of the 3-D polygon mesh of a pair of glasses may be visible through the lens. Rendering that portion of the back of the frames before the front portion allows that back portion to be visible through the lens following a rendering of the 3-D space.
In some embodiments, the texture mapping module 406 may be configured to apply a first color texture map of the object to the result of the application of the transparency texture map to the backwards-facing polygons. In some embodiments, the texture mapping module 406 may be configured to apply a transparency texture map of the object to front-facing polygons of the 3-D polygon mesh of an object. The texture mapping module 406 may be configured to apply a first color texture map of the object to the result of the application of the transparency texture mapped to the front-facing polygons. The rendering module 104-a may then render the 3-D space at the first render viewing angle. For example, the backward-facing polygons of the lens may be applied to combine the value of a pixel of the 3-D model of a user with the value of the lens directly in front of that pixel of the 3-D model of the user. Combining the pixel with the transparency value gives renders the lens as being transparent so that the portion of the user behind the lens is seen in the render. Having applied the transparency value to the 3-D model of the user, the texture mapping module 406 may apply the color texture map to the same point. In other words, if the lens is a brown lens, the color texture map may include color information of the brown lens. Thus, the texture mapping module 406 may apply the brown color to the same point on the 3-D model of the user where the transparency texture map was applied. The process may then be repeated for the same point on the 3-D model of the user with the front-facing polygons of the 3-D polygon mesh of the object, resulting in a rendered brown transparent lens through which the 3-D model of the user's eye may be seen once rendering completes.
In some embodiments, the text, the texture mapping module 406 may be configured to apply the shadow texture map of the object to a 3-D model of the user at the second render viewpoint. The texture mapping module 406 may be configured to apply the transparency texture map of the object to backwards-facing polygons of the 3-D polygon mesh of the object at the second render viewpoint and then apply the second color texture map to the 3-D polygon mesh of the object as a result of the application of the transparency texture map to the backwards-facing polygons at the second render viewpoint. In some embodiments, the texture mapping module 406 may be configured to apply the transparency texture map of an object to front-facing polygons of the 3-D polygon mesh of the object at the second render viewpoint and then apply the second color texture map of the object to the result of the application of the transparency texture mapped to the front-facing polygons at the second render viewing angle. The rendering module 104-a may then render the 3-D space at the second render viewing angle.
In some embodiments, the blurring module 410 may be configured to determine a first level and a second level of blur accuracy. For example, applying a blurring effect to a portion of the rendered 3-D space with a relatively high accuracy may require a correspondingly high amount of processing time. Attempting to apply the blurring effect with relatively high accuracy while the render viewpoint of the 3-D space is modified may introduce a lag in the rendering of the 3-D space. On the other hand, applying a blurring effect to a portion of the rendered 3-D space with a relatively low accuracy may require a correspondingly low amount of processing time, permitting a real-time rendering of the 3-D space with a blurring effect without introducing lag. In some configurations the blurring module 410 may be configured to determine a first level and a second level of blur intensity. In other words, in some embodiments, a relatively low level of blur may be applied to the entire rendered depiction of the object, whereas a relatively high level of blur may be applied to the edges of the rendered depiction of the object. For instance, the blurring module 410 may apply a relatively high level of a blurring effect to the edges of a rendered pair of glasses and a relatively low level of a blurring effect to the glasses overall. Thus, the blurring module 410 may be configured to apply the first level of blur accuracy at the first level of blur intensity to the rendered depiction of the object. In some embodiments, the edge detection module 412 may be configured to detect an edge of the rendered depiction of the object. The blurring module 410 may be configured to apply the first level of blur accuracy at the second level of blur intensity to the rendered depiction of the object. In some embodiments, upon receiving a user input to adjust the render viewpoint, the blurring module 410 may be configured to apply the second level of blur accuracy to the rendered depiction of the object.
In some configurations, the systems and methods described herein may be used to facilitate rendering a virtual try-on shopping experience. For example, a user may be presented with a pair of glasses (e.g., for the first time) via a rendered virtual try-on image that illustrates the pair of glasses on the user's face, thus, enabling a user to shop for glasses and to see how the user looks in the glasses (via the virtual try-on) simultaneously.
At block 702, a render viewpoint of a virtual 3-D space may be selected. The virtual 3-D space may include a 3-D model of at least a portion of a user generated from an image of the user and a 3-D polygon mesh of an object. At block 704, a first polygon of the 3-D polygon mesh of the object may be designated as a backwards-facing polygon in relation to the render viewing angle. At block 706, a second polygon of the 3-D polygon mesh of the object may be designated as a front-facing polygon in relation to the render viewing angle.
At block 708, a shadow texture map of the object may be applied to the 3-D model of the user at the render viewing angle. At block 710, a transparency texture map of the object may be applied to the backwards-facing polygon of the 3-D polygon mesh of the object at the render viewing angle. At block 712, a first color texture map of the object may be applied to the result of the application of the transparency texture map to the backwards-facing polygon.
At block 714, a transparency texture map of the object may be applied to the backwards-facing polygon of the 3-D polygon mesh of the object at the render viewing angle. At block 716, the first color texture map of the object may be applied to the result of the application of the transparency texture map to the backwards-facing polygon. At block 718, the virtual 3-D space may be rendered at the render viewing angle. At block 720, a determination may be made whether there is another viewing angle to render. If it is determined that there is another viewing angle to render, then the method 700 returns to block 702.
At block 802, a shadow value of an object may be detected from a scan of the object. At block 804, a shadow texture map may be created from the detected shadow value. At block 806, a 2-D coordinate of the shadow texture map may be mapped to a point on the 3-D model of the user. At block 808, a value of the point on the 3-D model of the user may be multiplied by the shadow value.
At block 902, a transparency value of an object may be detected from a scan of the object. At block 904, a transparency texture map may be created from the detected transparency value. At block 906, a 2-D coordinate of the transparency texture map may be mapped to a point on the 3-D model of the user. At block 908, a value of the point on the 3-D model of the user may be multiplied by the transparency value.
At block 1002, a scanning angle of a scan of an object may be selected. The scanning angle may correspond to a render viewing angle of a 3-D polygon mesh of the object. At block 1004, a color value of an object may be detected from a scan of the object. At block 1006, a color texture map may be created from the detected color value. At block 1008, a 2-D coordinate of the color texture map may be mapped to a point on the 3-D model of the user. At block 1010, a value of the point on the 3-D model of the user may be multiplied by the color value. At block 1012, a determination may be made whether there is another scanning angle to process. If it is determined that there is another scanning angle to process, then the method 1000 returns to block 1002.
At block 1102, the 3-D polygon mesh of the object may be divided into multiple parts. At block 1104, an order may be determined to the multiple parts of the divided 3-D polygon mesh of the object from furthest part to closest part relative to the determined render viewing angle of the virtual 3-D space.
At block 1106, it is determined which portions of the 3-D polygon mesh of the object are visible in relation to the 3-D model of the user based on the determined render viewing angle. At block 1108, the 3-D polygon mesh of the object is rendered from the furthest part to the closest part based on the determined visible portions of the 3-D polygon mesh of the object.
At block 1202, a first level and a second level of blur accuracy may be determined. At block 1204, a first level and a second level of blur intensity may be determined. At block 1206, the first level of blur accuracy may be applied at the first level of blur intensity to the rendered depiction of the object.
At block 1208, an edge of the rendered depiction of the object may be detected. At block 1210, the first level of blur accuracy may be applied at the second level of blur intensity to the detected edges of the rendered depiction of the object. At block 1212, upon receiving a user input to adjust the render viewing angle, the second level of blur accuracy is applied to the rendered depiction of the object.
Bus 1312 allows data communication between central processor 1314 and system memory 1316, which may include read-only memory (ROM) or flash memory (neither shown), and random access memory (RAM) (not shown), as previously noted. The RAM is generally the main memory into which the operating system and application programs are loaded. The ROM or flash memory can contain, among other code, the Basic Input-Output system (BIOS) which controls basic hardware operation such as the interaction with peripheral components or devices. For example, the rendering module 104-c to implement the present systems and methods may be stored within the system memory 1316. Applications (e.g., application 202) resident with computer system 1310 are generally stored on and accessed via a non-transitory computer readable medium, such as a hard disk drive (e.g., fixed disk 1344) or other storage medium. Additionally, applications can be in the form of electronic signals modulated in accordance with the application and data communication technology when accessed via interface 1348.
Storage interface 1334, as with the other storage interfaces of computer system 1310, can connect to a standard computer readable medium for storage and/or retrieval of information, such as a fixed disk drive 1344. Fixed disk drive 1344 may be a part of computer system 1310 or may be separate and accessed through other interface systems. Network interface 1348 may provide a direct connection to a remote server via a direct network link to the Internet via a POP (point of presence). Network interface 1348 may provide such connection using wireless techniques, including digital cellular telephone connection, Cellular Digital Packet Data (CDPD) connection, digital satellite data connection, or the like.
Many other devices or subsystems (not shown) may be connected in a similar manner (e.g., document scanners, digital cameras, and so on). Conversely, all of the devices shown in
Moreover, regarding the signals described herein, those skilled in the art will recognize that a signal can be directly transmitted from a first block to a second block, or a signal can be modified (e.g., amplified, attenuated, delayed, latched, buffered, inverted, filtered, or otherwise modified) between the blocks. Although the signals of the above described embodiment are characterized as transmitted from one block to the next, other embodiments of the present systems and methods may include modified signals in place of such directly transmitted signals as long as the informational and/or functional aspect of the signal is transmitted between blocks. To some extent, a signal input at a second block can be conceptualized as a second signal derived from a first signal output from a first block due to physical limitations of the circuitry involved (e.g., there will inevitably be some attenuation and delay). Therefore, as used herein, a second signal derived from a first signal includes the first signal or any modifications to the first signal, whether due to circuit limitations or due to passage through other circuit elements which do not change the informational and/or final functional aspect of the first signal.
While the foregoing disclosure sets forth various embodiments using specific block diagrams, flowcharts, and examples, each block diagram component, flowchart step, operation, and/or component described and/or illustrated herein may be implemented, individually and/or collectively, using a wide range of hardware, software, or firmware (or any combination thereof) configurations. In addition, any disclosure of components contained within other components should be considered exemplary in nature since many other architectures can be implemented to achieve the same functionality.
The process parameters and sequence of steps described and/or illustrated herein are given by way of example only and can be varied as desired. For example, while the steps illustrated and/or described herein may be shown or discussed in a particular order, these steps do not necessarily need to be performed in the order illustrated or discussed. The various exemplary methods described and/or illustrated herein may also omit one or more of the steps described or illustrated herein or include additional steps in addition to those disclosed.
Furthermore, while various embodiments have been described and/or illustrated herein in the context of fully functional computing systems, one or more of these exemplary embodiments may be distributed as a program product in a variety of forms, regardless of the particular type of computer-readable media used to actually carry out the distribution. The embodiments disclosed herein may also be implemented using software modules that perform certain tasks. These software modules may include script, batch, or other executable files that may be stored on a computer-readable storage medium or in a computing system. In some embodiments, these software modules may configure a computing system to perform one or more of the exemplary embodiments disclosed herein.
The foregoing description, for purpose of explanation, has been described with reference to specific embodiments. However, the illustrative discussions above are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Many modifications and variations are possible in view of the above teachings. The embodiments were chosen and described in order to best explain the principles of the present systems and methods and their practical applications, to thereby enable others skilled in the art to best utilize the present systems and methods and various embodiments with various modifications as may be suited to the particular use contemplated.
Unless otherwise noted, the terms “a” or “an,” as used in the specification and claims, are to be construed as meaning “at least one of.” In addition, for ease of use, the words “including” and “having,” as used in the specification and claims, are interchangeable with and have the same meaning as the word “comprising.” In addition, the term “based on” as used in the specification and the claims is to be construed as meaning “based at least upon.”
This application claims priority to U.S. Provisional Application No. 61/650,983, entitled SYSTEMS AND METHODS TO VIRTUALLY TRY-ON PRODUCTS, filed on May 23, 2012; and U.S. Provisional Application No. 61/735,951, entitled SYSTEMS AND METHODS TO VIRTUALLY TRY-ON PRODUCTS, filed on Dec. 11, 2012, which is incorporated herein in its entirety by this reference.
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