2D Plus Delta (also called 2D+Delta) is a method of encoding a 3D image and is listed as a part of

MPEG2 MPEG-2 (a.k.a. H.222/H.262 as was defined by the ITU) is a standard for "the generic coding of moving pictures and associated audio information". It describes a combination of lossy video compression and lossy audio data compression methods ...

and

MPEG4 MPEG-4 is a group of international standards for the compression of digital audio and visual data, multimedia systems, and file storage formats. It was originally introduced in late 1998 as a group of audio and video coding formats and related te ...

standards, specifically on the H.264 implementation of the Multiview Video Coding extension. This

technology Technology is the application of Conceptual model, conceptual knowledge to achieve practical goals, especially in a reproducible way. The word ''technology'' can also mean the products resulting from such efforts, including both tangible too ...

originally started as a proprietary method for

Stereoscopic Video Coding 3D video coding is one of the processing stages required to manifest stereoscopic content into a home A home, or domicile, is a space used as a permanent or semi-permanent residence for one or more human occupants, and sometimes various ...

and content deployment that utilizes the left or right channel as the 2D version and the optimized difference or disparity (Delta) between that image channel view and a second eye image view is injected into the video stream as user data, secondary stream, independent stream, enhancement layer or NALu for deployment. The Delta data can be either a spatial stereo disparity, temporal predictive, bidirectional, or optimized

motion compensation Motion compensation in computing is an algorithmic technique used to predict a frame in a video given the previous and/or future frames by accounting for motion of the camera and/or objects in the video. It is employed in the encoding of video ...

Overview

The technology was originally filed for world-wide intellectual property protection via

WIPO The World Intellectual Property Organization (WIPO; (OMPI)) is one of the 15 specialized agencies of the United Nations (UN). Pursuant to the 1967 Convention Establishing the World Intellectual Property Organization, WIPO was created to pr ...

in 2003. The patent statements were submitted to

ISO The International Organization for Standardization (ISO ; ; ) is an independent, non-governmental, international standard development organization composed of representatives from the national standards organizations of member countries. Me ...

in 2007, and listed as part of the MVC standard in 2008. The technology is now an open standard that is available for licensing and usage. The MVC initiative was started in June 2006. The resulting video stream has the following characteristics:{{Citation needed, date=May 2011 * Contains the full information to reconstruct the Left and Right stereoscopic views in full resolution per eye * Requires an additional average bandwidth ranging from 30% to 60% regarding a 2D only stream depending on the encoding implementation * Can be deployed over existing pipelines, starting from 16 Mbit/s for 1080p@60fps per eye * One single video stream services both: 3D viewers and 2D Legacy users * Can be seamlessly decoded by 2D legacy decoders in full 2D HD without the need for any change or additional hardware 2D Plus Delta has been listed at ISO/ITU/IEC/MPEG2/MPEG4/MVC initiatives. * MPEG4 ISO/IEC 14496-10:2009 * MPEG4 ISO/IEC 14496-10:2008 - 07 * MPEG4 ISO/IEC 14496-10:2008/FDAmd 1 - 01 * MPEG4 ISO/IEC 14496-10:2008/FDAmd 1 - 02 * MPEG4 ISO/IEC 14496-15:2004/CD Amd 3 - 01 * MPEG4 ISO/IEC 14496-15:2004/CD Amd 3 - 02 * MPEG4 ISO/IEC 14496-4:2004/CD Amd 38 - 01 * MPEG4 ISO/IEC 14496-4:2004/CD Amd 38 - 02 * MPEG4 ISO/IEC 14496-5:2001/CD Amd 15 - 01 * MPEG4 ISO/IEC 14496-5:2001/CD Amd 15 - 02 * MPEG2 ISO/IEC 13818-1:2007/CD Amd 4 - 01 * MPEG2 ISO/IEC 13818-1:2007/CD Amd 4 - 02 * MPEG4 ISO/IEC 14496-10:2008 - 06 * MPEG4 ISO/IEC 14496-10:2008 - 07 There are two ways for

stereoscopic Stereoscopy, also called stereoscopics or stereo imaging, is a technique for creating or enhancing the illusion of depth in an image by means of stereopsis for binocular vision. The word ''stereoscopy'' derives . Any stereoscopic image is ...

3D deployment of content to the home (

3D television 3D television (3DTV) is television that conveys depth perception to the viewer by employing techniques such as stereoscopy, stereoscopic display, free viewpoint television, multi-view display, or any other form of 3D display. Most modern 3D te ...

): # Frame compatible: Pixel subsampling like Side by Side, Checkerboard,

Quincunx A quincunx ( ) is a geometry, geometric pattern consisting of five points arranged in a cross, with four of them forming a Square (geometry), square or rectangle and a fifth at its center. The same pattern has other names, including "in saltire" ...

and Color shifting like Anaglyph # Enhanced Video stream Coding:

2D+Delta D, or d, is the fourth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''dee'' (pronounced ), plural ''dees''. History T ...

/ MVC and 2D plus depth

References

Stereoscopy Graphics file formats

Overview

See also

References