This invention relates generally to capturing biometric data, and more particularly, to methods and systems for capturing biometric data from users during enrollment in authentication systems and during authentication transactions.
Users conduct transactions with many different service providers in person and remotely over the Internet. Network-based transactions conducted over the Internet may involve purchasing items from a merchant web site or accessing confidential information from a website. Service providers that own and operate such websites typically require successfully identifying users before allowing a desired transaction to be conducted.
Users are increasingly using smart devices to conduct such network-based transactions and to conduct network-based biometric authentication transactions. However, some users have difficulty orienting the smart device to capture biometric data usable for generating trustworthy authentication transaction results. For example, some users have been known to position the smart device near their waist when capturing face biometric data. Many users still look downwards even if the device is held somewhere above waist level. Such users typically do not appreciate that differently positioning the smart device should result in capturing better quality biometric data. Consequently, enrolling and authenticating such users desiring to conduct network-based transactions has been known to be an annoying, inconvenient and timely endeavor.
In one aspect, a method of capturing biometric data is provided that includes calculating, by a terminal device, an angle between a surface of the terminal device and an X-axis of the terminal device. When the angle is other than ninety degrees, a prompt is displayed on the terminal device that is designed to cause a terminal device user to adjust the position of the terminal device into an optimal position. After adjusting the position of the terminal device, the terminal device calculates the angle and when the angle is ninety degrees the terminal device captures biometric data from the user.
In another aspect, a terminal device for capturing biometric data is provided that includes a processor and a memory. The memory is configured to store data and the terminal device is associated with a network. The memory is in communication with the processor and has instructions stored thereon which, when executed by the processor, cause the processor to calculate an angle between a surface of the terminal device and an X-axis of the terminal device. Moreover, when the angle is other than ninety degrees, the instructions when executed by the processor cause the processor to display a prompt on the terminal device designed to cause a terminal device user to adjust the position of the terminal device into an optimal position. Furthermore, the instructions when executed by the processor cause the processor to calculate the angle after the position of the terminal device is adjusted, and capture biometric data from the user when the angle is ninety degrees.
In yet another aspect, a computer program recorded on a non-transitory computer-readable recording medium included in a terminal device is provided. The computer program is for enabling increased trustworthiness of biometric authentication transaction results. The computer program includes instructions, which when read and executed by the terminal device, cause the terminal device to calculate an angle between a surface of the terminal device and an X-axis of the terminal device. Moreover, when the angle is other than ninety degrees, the instructions when executed by the terminal device cause the terminal device to display a prompt designed to cause a terminal device user to adjust the position of the terminal device into an optimal position. Furthermore, the instructions when executed by the terminal device cause the terminal device to calculate the angle after the position of the terminal device is adjusted, and capture biometric data from the user when the angle is ninety degrees.
A three-dimensional Cartesian coordinate system having X, Y, and Z-axes is superimposed on the terminal device 12. The Z-axis is oriented to extend perpendicularly into and out of the page. The three-dimensional Cartesian coordinate system represents the three-dimensional space that the terminal device 12 may freely move through. For example, the terminal device 12 may be rotated clockwise or counterclockwise about the Z-axis. Rotating the terminal device 12 counter clockwise about the Z-axis is considered rotating the terminal device 12 towards the user 10. Rotating the terminal device 12 clockwise about the Z-axis is considered rotating the terminal device 12 away from the user 10. The terminal device 12 may be rotated about any combination of the X, Y, and Z-axes, and may be translated along any combination of the X, Y, and Z-axes. Moreover, the terminal device 12 may be simultaneously rotated about and translated along any combination of the X, Y and Z-axes in any manner.
The terminal device 12 is positioned at an angle θ with respect to the X-axis and is positioned below the face of the user 10. As the angle θ increases to about ninety degrees and as the terminal device 12 is also positioned to be about the same height as the user's face, the quality of face biometric data captured by the terminal device 12 increases. The angle θ is calculated between a front surface of the terminal device 12 and the X-axis, or between a back surface of the terminal device 12 and the X-axis.
Although the terminal device 12 is described as being in the optimal position when the angle θ is ninety degrees, the terminal device 12 may be considered optimally positioned when the angle θ is not ninety degrees. For example, the terminal device 12 may be considered optimally positioned when the angle θ is between eighty-five and ninety-five degrees. Moreover, the terminal device 12 may be considered optimally positioned at any angle θ at which adequate quality biometric data may be captured. Adequate biometric data is biometric data usable for generating trustworthy enrollment data or generating trustworthy authentication transaction results.
The processor 14 executes instructions, or computer programs, stored in the memory 16. As used herein, the term processor is not limited to just those integrated circuits referred to in the art as a processor, but broadly refers to a computer, a microcontroller, a microcomputer, a programmable logic controller, an application specific integrated circuit, and any other programmable circuit capable of executing the functions described herein. The above examples are exemplary only, and are thus not intended to limit in any way the definition and/or meaning of the term “processor.” General communication between the components in the terminal device 12 is provided via the bus 22.
As used herein, the term “computer program” is intended to encompass an executable program that exists permanently or temporarily on any computer-readable recordable medium that causes the terminal device 12 to perform at least the functions described herein. Application programs 32, also known as applications, are computer programs stored in the memory 16. Application programs 32 include, but are not limited to, an operating system, an Internet browser application, enrollment applications, authentication applications, user live-ness detection applications, and any special computer program that manages the relationship between application software and any suitable variety of hardware that helps to make-up a computer system or computing environment.
The memory 16 may be a computer-readable recording medium used to store data including, but not limited to, computer programs and user data records. The data record for each user may include enrollment data such as, but not limited to, record biometric data, record biometric templates and personal data of the user. The record biometric data is raw biometric data that is processed to generate at least one record biometric template. The record biometric template is typically used to confirm the identity of a user during authentication transactions. Alternatively, the record biometric data may be used to confirm the identities of users during authentication transactions.
Personal data includes any demographic information regarding a user including, but not limited to, a user's name, gender, age, date-of-birth, address, citizenship and marital status. Each data record may also include any kind of data that may be used to enhance the trustworthiness of user enrollment data and authentication transaction results. The data records are typically for users associated with the terminal device 12.
Configurable policies for enrollment and authentication transactions, some of which may be used to determine enrollment requirements and authentication data requirements, respectively, may also be stored in the memory 16. An enrollment data requirement is the data desired to be captured from users during enrollment. An authentication data requirement is the authentication data desired to be captured from users during authentication transactions. The record biometric data, the enrollment requirements, and the authentication data requirements may include any biometric modality desired to be used as a basis of enrollment and/or authentication such as, but not limited to, voice, face, finger, iris, palm, and electrocardiogram. Moreover, such biometric modalities may include any combination of biometric modalities, and may take any form such as, but not limited to, audio recordings, photographs, and video.
Moreover, the enrollment and authentication data requirements may be any type of authentication data, or any combination of different types of authentication data, for example, Global Positioning Coordinates and biometric data, and may be determined in any manner. The enrollment and authentication data requirements may also be determined by an individual or by any system (not shown) or device (not shown) configured to communicate with the terminal device 12 over a network (not shown). In the examples described herein, the enrollment and authentication data requirements are for face biometric data captured as an image. The image may be a photograph or an image extracted from a frame included in a video.
The memory 16 may be implemented using any appropriate combination of alterable, volatile or non-volatile memory or non-alterable, or fixed, memory. The alterable memory, whether volatile or non-volatile, can be implemented using any one or more of static or dynamic RAM (Random Access Memory), a floppy disc and disc drive, a writeable or re-writeable optical disc and disc drive, a hard drive, flash memory or the like. Similarly, the non-alterable or fixed memory can be implemented using any one or more of ROM (Read-Only Memory), PROM (Programmable Read-Only Memory), EPROM (Erasable Programmable Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), an optical ROM disc, such as a CD-ROM or DVD-ROM disc, and disc drive or the like. Furthermore, the memory 16 may include smart cards, SIMs or any other medium from which a computing device can read computer programs, applications or executable instructions.
The gyroscope 18 and the accelerometer 20 generate data regarding rotation and translation of the terminal device 12 that is communicated to the processor 14 and may be communicated to the memory 16 via the bus 22. The processor 14 uses the generated data to determine the position or orientation of the terminal device 12 including the angle θ with respect to the X-axis.
The user interface 24 and the display 26 allow interaction between a user and the terminal device 12. The display 26 may include a visual display or monitor that displays information to a user. For example, the display 26 may be a Liquid Crystal Display (LCD), active matrix display, plasma display, or cathode ray tube (CRT). The user interface 24 may include a keypad, a keyboard, a mouse, an infrared light source, a microphone, cameras, and/or speakers. Moreover, the user interface 24 and the display 26 may be integrated into a touch screen display. Accordingly, the display may also be used to show a graphical user interface, which can display various data and provide “forms” that include fields that allow for the entry of information by the user. Touching the screen at locations corresponding to the display of a graphical user interface allows the person to interact with the device 12 to enter data, change settings, control functions, etc. Consequently, when the touch screen is touched, the user interface 26 communicates this change to the processor 14, and settings can be changed or user entered information can be captured and stored in the memory 16.
The sensing device 28 may include RFID components or systems for receiving information from other devices. The sensing device 28 may also include components with Bluetooth, Radio Frequency Identification (RFID), Near Field Communication (NFC), infrared, or other similar capabilities. The terminal device 12 may alternatively not include the sensing device 28.
The communications interface 30 provides the terminal device 12 with two-way data communications. Moreover, the communications interface 30 enables the terminal device 12 to conduct wireless communications such as cellular telephone calls and to wirelessly access the Internet over a network (not shown). By way of example, the communications interface 30 may be a digital subscriber line (DSL) card or modem, an integrated services digital network (ISDN) card, a cable modem, or a telephone modem to provide a data communication connection to a corresponding type of telephone line. As another example, the communications interface 30 may be a local area network (LAN) card (e.g., for Ethemet™ or an Asynchronous Transfer Model (ATM) network) to provide a data communication connection to a compatible LAN. As yet another example, the communications interface 30 may be a wire or a cable connecting the terminal device 12 with a LAN, or with accessories such as biometric capture devices. Further, the communications interface 30 may include peripheral interface devices, such as a Universal Serial Bus (USB) interface, a PCMCIA (Personal Computer Memory Card International Association) interface, and the like. Thus, it should be understood that the communications interface 30 may enable the terminal device 12 to conduct any type of wireless or wired communications such as, but not limited to, accessing the Internet. Although the terminal device 12 includes a single communications interface 30, the terminal device 12 may alternatively include multiple communications interfaces 30.
The communications interface 30 also allows the exchange of information across a network (not shown). The exchange of information may involve the transmission of radio frequency (RF) signals through an antenna (not shown). Moreover, the exchange of information may be between the terminal device 12 and between any other computer systems (not shown) and any other devices (not shown) capable of communicating over a network (not shown). Such a network (not shown) may be a 5G communications network. Alternatively, such a network (not shown) may be any wireless network including, but not limited to, 4G, 3G, Wi-Fi, Global System for Mobile (GSM), Enhanced Data for GSM Evolution (EDGE), and any combination of a LAN, a wide area network (WAN) and the Internet. Such a network (not shown) may also be any type of wired network or a combination of wired and wireless networks.
Other systems (not shown) that the terminal device 12 may communicate with include computer systems of service providers such as, but not limited to, financial institutions, medical facilities, national security agencies, and merchants. Other devices (not shown) that the terminal device 12 may communicate with include, but are not limited to, smart phones, tablet computers, laptop computers, personal computers and cellular phones.
When the terminal device 12 is not in the optimal position, a prompt is displayed on the terminal device 12 instructing the user to move the terminal device 12 into the optimal position. The prompt may be any type of information that may cause the user to move the terminal device 12 into the optimal position.
After the position of the terminal device 12 is adjusted 52, processing continues by calculating 48 the angle θ and determining whether the adjusted position is the optimal position. When the angle θ is ninety degrees, the terminal device 12 is considered to be in the optimal position and processing continues by capturing 54 biometric data from the user with the terminal device 12. Next, processing ends 56.
The example methods described herein may be conducted entirely by the terminal device 12, or partly on the terminal device 12 and partly on other devices (not shown) and systems (not shown) able to communicate with the terminal device 12 over a network. Moreover, data described herein as being stored in the memory 16 may alternatively be stored in any system (not shown) or device (not shown) able to communicate with the terminal device 12 over a network.
In each example embodiment, the above-described methods and systems for capturing biometric data from users facilitates orienting a terminal device into an optimal position from which biometric data may be captured that can be used to generate trustworthy authentication transaction results. More specifically, an angle between a surface of the terminal device and the X-axis is calculated and the orientation of the terminal device is determined. When the angle is other than ninety degrees, processing continues by displaying a prompt on the terminal device designed to cause the user to adjust the position of the terminal device into the optimal position. After the position of the terminal device is adjusted, the angle is calculated and the orientation of the terminal device is determined. When the angle is ninety degrees, the terminal device is considered to be in the optimal position and biometric data is captured from the user with the terminal device. As a result, enrollment data may be captured more quickly and conveniently, and users may be authenticated more quickly and conveniently with biometric data captured by the terminal device.
The example embodiments of methods for capturing biometric data described above should not be considered to imply a fixed order for performing the process steps. Rather, the process steps may be performed in any order that is practicable, including simultaneous performance of at least some steps. Moreover, the methods are not limited to use with the specific computer systems and/or devices described herein, but rather, the methods can be utilized independently and separately from other computer components described herein. Furthermore, the invention is not limited to the embodiments of the methods described above in detail. Rather, other variations of the methods may be utilized within the spirit and scope of the claims.
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Number | Date | Country | |
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