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Belle L. Tseng, Dimitris Anastassiou. Compatible Video Coding of Stereoscopic Sequences using MPEG-2's Scalability and Interlaced Structure. In International Workshop on HDTV '94, Torino, Italy, October 1994.

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Three approaches of an MPEG-2 compatible coding technique are presented for stereoscopic sequences. The first method utilizes the spatial scalability structure and the second employs the temporal scalability syntax. The scalability extensions of the video coding standard make the processing easier to accommodate the transmission of a stereoscopic video stream. The left and right channels required for a stereo sequence are correspondingly supported in the base and enhancement layers of the scalability structure. The enhancement layer selects the best prediction combination of the spatial and temporal information. In the third technique, the left and right stereoscopic images are represented and coded as an interlaced video. For interlaced sequences, transmission in either the eld or frame picture structure can be chosen for each frame to maximize compression, and therefore improve image reconstruction. Selection of picture structures depends on the temporal changes of the stereoscopic scenery. Field picture structure is chosen for scenes with high stereoscopic activities, whereas frame structure is preferred for stereo images with little or no disparity variations. Experimental results are presented for the proposed approaches and performance comparisons between them are analyzed and interpreted. Simulations on several stereoscopic sequences illustrate that the proposed spatial and temporal scalability methods always achieve better SNR performances than the simulcast method. Experimental data on progressive stereo sequences with the left-right interlaced structure approach show improving performances, as compared to the simulcast and both scalability techniques, when transmitted with increasing bit rate. As a result, the interlaced eld structure approach, supported in the main pro le of MPEG-2, is the recommended choice for high bit rate coding of progressive stereo sequences

BibTex Reference

   Author = {L. Tseng, Belle and Anastassiou, Dimitris},
   Title = {Compatible Video Coding of Stereoscopic Sequences using MPEG-2's Scalability and Interlaced Structure},
   BookTitle = {International Workshop on HDTV '94},
   Address = {Torino, Italy},
   Month = {October},
   Year = {1994}

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