{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,19]],"date-time":"2025-06-19T04:52:15Z","timestamp":1750308735548,"version":"3.41.0"},"reference-count":31,"publisher":"Association for Computing Machinery (ACM)","issue":"3s","license":[{"start":{"date-parts":[[2012,9,1]],"date-time":"2012-09-01T00:00:00Z","timestamp":1346457600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"funder":[{"name":"Gift Funding from Technicolor"},{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["915842"],"award-info":[{"award-number":["915842"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":["ACM Trans. Multimedia Comput. Commun. Appl."],"published-print":{"date-parts":[[2012,9]]},"abstract":"<jats:p>Three-dimensional video (3DV) is attracting many interests with its enhanced viewing experience and more user driven features. 3DV has several unique characteristics different from 2D video: (1) It has a much larger amount of data captured and compressed, and corresponding video compression techniques can be much more complicated in order to explore data redundancy. This will lead to more constraints on users' network access and computational capability, (2) Most users only need part of the 3DV data at any given time, while the users' requirements exhibit large diversity, (3) Only a limited number of views are captured and transmitted for 3DV. View rendering is thus necessary to generate virtual views based on the received 3DV data. However, many terminal devices do not have the functionality to generate virtual views. To enable 3DV experience for the majority of users with limited capabilities, adaptive 3DV transmission is necessary to extract\/generate the required data content and represent it with supported formats and bitrates for heterogeneous terminal devices. 3DV transcoding is an emerging and effective technique to achieve desired adaptive 3DV transmission. In this article, we propose the first efficient 3DV transcoding scheme that can obtain any desired view, either an encoded one or a virtual one, and compress it with more universal H.264\/AVC. The key idea of the proposed scheme is to appropriately utilize motion information contained in the bitstream to generate candidate motion information. Original information of both the desired view and reference views are used to obtain this candidate information and a proper motion refinement process is carried out for certain blocks. Simulation results show that, compared to the straightforward cascade algorithm, the proposed scheme is able to output compressed bitstream of the required view with significantly reduced complexity while incurring negligible performance loss. Such a 3DV transcoding can be applied to most gateways that usually have constraints on computational complexity and time delay.<\/jats:p>","DOI":"10.1145\/2348816.2348822","type":"journal-article","created":{"date-parts":[[2012,10,15]],"date-time":"2012-10-15T17:13:12Z","timestamp":1350321192000},"page":"1-21","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["A novel 3D video transcoding scheme for adaptive 3D video transmission to heterogeneous terminals"],"prefix":"10.1145","volume":"8","author":[{"given":"Shujie","family":"Liu","sequence":"first","affiliation":[{"name":"State University of New York at Buffalo, Buffalo, NY"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chang Wen","family":"Chen","sequence":"additional","affiliation":[{"name":"State University of New York at Buffalo, Buffalo, NY"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2012,10,16]]},"reference":[{"doi-asserted-by":"publisher","key":"e_1_2_1_1_1","DOI":"10.1109\/TMM.2005.854472"},{"doi-asserted-by":"publisher","key":"e_1_2_1_2_1","DOI":"10.1145\/1101149.1101262"},{"doi-asserted-by":"publisher","key":"e_1_2_1_3_1","DOI":"10.1145\/1596990.1596993"},{"doi-asserted-by":"publisher","key":"e_1_2_1_4_1","DOI":"10.1109\/TIP.2010.2070074"},{"doi-asserted-by":"crossref","unstructured":"Fehn C. 2004. Depth-image-based-rendering (DIBR) compression and transmission for a new approach on 3D-TV. In SPIE Stereoscopic Displays and Virtual Reality Systems.  Fehn C. 2004. Depth-image-based-rendering (DIBR) compression and transmission for a new approach on 3D-TV. In SPIE Stereoscopic Displays and Virtual Reality Systems.","key":"e_1_2_1_5_1","DOI":"10.1117\/12.524762"},{"doi-asserted-by":"publisher","key":"e_1_2_1_6_1","DOI":"10.1109\/ICASSP.2009.4959669"},{"unstructured":"JVT-AA209. 2008. Joint Draft 7.0 on multiview video coding.  JVT-AA209. 2008. Joint Draft 7.0 on multiview video coding.","key":"e_1_2_1_7_1"},{"unstructured":"JVT-T207. 2006. Common Test Conditions for Multiview Video Coding. Klagenfurt Austria.  JVT-T207. 2006. Common Test Conditions for Multiview Video Coding. 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Applications and requirements on 3D video coding. Document w11061. MPEG.  MPEG Video and Requirements Subgroup. 2009. Applications and requirements on 3D video coding. Document w11061. MPEG.","key":"e_1_2_1_18_1"},{"volume-title":"Proceedings of the IEEE International Workshop on Multimedia Signal Processing.","author":"M\u00fcller K.","key":"e_1_2_1_19_1"},{"doi-asserted-by":"publisher","key":"e_1_2_1_20_1","DOI":"10.1007\/11949534_90"},{"volume-title":"Proceedings of ICC.","author":"Pan Z.","key":"e_1_2_1_21_1"},{"unstructured":"Shum H.-Y. Chan S.-C. and Kang S. B. 2006. Image-Based Rendering. Springer.   Shum H.-Y. Chan S.-C. and Kang S. B. 2006. Image-Based Rendering. 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