Stereoscopic or multiview television systems Details thereof

HELECTRICITY H04Electric communication H04NPICTORIAL COMMUNICATION

H04N13/00Stereoscopic or multiview television systems Details thereof

H04N13/0003Stereoscopic image signal coding, multiplexing, processing, recording or transmission H04N13/0007Processing stereoscopic image signals H04N13/0011Transformation of stereoscopic image signals corresponding to virtual viewpoints H04N13/0014the virtual viewpoint location being selected by the observer H04N13/0018Improving the 3D impression of a stereoscopic image by modifying the image content H04N13/0022Aspects relating to depth or disparity adjustment H04N13/0025Equalizing the characteristics of different image components in stereoscopic images H04N13/0029Format conversion of stereoscopic images H04N13/0033Aspects relating to flicker and/or eyestrain reduction H04N13/0037Colour aspects H04N13/004Mixing stereoscopic image signals H04N13/0044Switching stereoscopic image signals H04N13/0048Encoding, multiplexing or demultiplexing different image signal components in stereoscopic image signals H04N13/0051Synchronisation or controlling aspects H04N13/0055Recording or reproducing stereoscopic image signals H04N13/0059Transmission of stereoscopic image signals H04N13/0062the image signal comprising non-image signal components H04N13/0066metadata H04N13/007subtitles or other OSD information H04N13/02Picture signal generators H04N13/0203using a stereoscopic image camera H04N13/0207involving a single 2D image pickup sensor H04N13/021using temporal multiplexing H04N13/0214using spectral multiplexing H04N13/0217using spatial multiplexing H04N13/0221using the relative movement between camera and object H04N13/0225having a parallax barrier H04N13/0228having a lenticular screen H04N13/0232having a fly-eye lenticular screen H04N13/0235having a varifocal lens or mirror H04N13/0239having two 2D image pickup sensors representing the interocular distance H04N13/0242having more than two 2D image pickup sensors H04N13/0246Calibration aspects relating to the control of a stereoscopic camera H04N13/025having several image pickup sensors with different characteristics other than location or field of view H04N13/0253in combination with an electromagnetic radiation source for illuminating the subject H04N13/0257Colour aspects H04N13/026with monoscopic to stereoscopic image conversion H04N13/0264using the relative movement of objects in two video frames or fields H04N13/0267by scanning a film H04N13/0271wherein the generated image signal comprises a depth map or a disparity map H04N13/0275from a 3D object model H04N13/0278the virtual viewpoint location being selected by the observer H04N13/0282for generating stereoscopic image signals corresponding to more than two geometrical viewpoints H04N13/0285having a monoscopic mode and a separate stereoscopic mode H04N13/0289details relating to the switching between said modes H04N13/0292generating mixed monoscopic/stereoscopic images H04N13/0296Synchronisation or controlling aspects H04N13/04Picture reproducers H04N13/0402using an autostereoscopic display H04N13/0404using a lenticular screen H04N13/0406using a fly-eye lenticular screen H04N13/0409using a parallax barrier H04N13/0411the parallax barrier being placed behind the spatial light modulator H04N13/0413the parallax barrier being time-variant H04N13/0415with slanted parallax optics H04N13/0418using an array of controllable light sources or a moving aperture or light source H04N13/042using a varifocal lens or mirror H04N13/0422Colour aspects H04N13/0425Calibration aspects H04N13/0427using a digital micro mirror device [DMD] H04N13/0429for viewing by the user with the aid of special glasses or head mounted displays [HMD] H04N13/0431with spectral multiplexing, i.e. simultaneously displaying left and right images separated using glasses with different spectral characteristics H04N13/0434with polarisation multiplexing H04N13/0436with spatial multiplexing, i.e. simultaneously displaying left and right images on different parts of the display screen and using glasses to optically recombine the stereoscopic image H04N13/0438with temporal multiplexing H04N13/044with head mounted left-right displays H04N13/0443using a half transparent mirror or prism H04N13/0445for displaying more than two geometrical viewpoints without observer tracking H04N13/0447simultaneously H04N13/045sequentially H04N13/0452having a monoscopic mode and a separate stereoscopic mode H04N13/0454details of mode switching H04N13/0456generating mixed monoscopic or stereoscopic images H04N13/0459using an image projection screen H04N13/0468using observer tracking H04N13/047for several observers H04N13/0472for tracking with variable interocular distance or rotational head movements around the vertical axes H04N13/0475for tracking forward-backward translational head movements H04N13/0477for tracking left-right translational head movements H04N13/0479for tracking rotational head movements in a plane parallel to the screen H04N13/0481for tracking vertical translational head movements H04N13/0484for tracking with gaze detection H04N13/0486alternating rapidly the location of the left-right image components on the display screen H04N13/0488Volumetric display H04N13/049the picture elements emitting light where a pair of light beams intersect in a transparent material H04N13/0493the volume being generated by a moving H04N13/0495with depth sampling H04N13/0497Synchronisation or controlling aspects