Multiview Video Coding
We are working on developing advanced video compression algorithms for multiview video, i.e., video sequences recorded simultaneously from multiple cameras. We are also actively participating in the multiview video coding standardization activity in MPEG. Target applications for this work include 3D display and free viewpoint video.
Background & Objective: The need for multiview video coding is driven by two recent technological developments: new 3D display technologies and the growing use of multi-camera arrays. A variety of companies are starting to produce 3D displays that do not require glasses and can be viewed by multiple people simultaneously. The immersive experience provided by these 3D displays are compelling and have the potential to create a growing market for 3D video and hence for multiview video compression. Furthermore, even with 2D displays, multi-camera arrays are increasingly being used to capture a scene from many angles. The resulting multiview data sets allow the viewer to observe a scene from any viewpoint and serve as another application of multiview video compression.
Technical Discussion: In July 2008, MPEG officially approved an amendment of the ITU-T Rec. H.264 & ISO/IEC 14996-10 Advanced Video Coding (AVC) standard on Multiview Video Coding. This new standard enables an efficient compressed representation of stereo and multiview video by exploiting correlation among neighboring camera views to support 3D and free-viewpoint video applications. MERL has contributed several technologies to this standard including methods for reference picture management, spatial random access and signaling of scene information.
Future Direction: Continue to work on improving the coding efficiency of multiview video compression while actively being involved in related standardization activities such as MPEG EE(Exploration Experiment) in 3D Video.
Publications:
Technology Areas:
Multimedia
Digital Video
Modification Date: October 2, 2008
