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Multimedia Comput. Commun. Appl."],"published-print":{"date-parts":[[2020,2,29]]},"abstract":"<jats:p>With the recent advances in data acquisition techniques, the compression of various dynamic mesh sequence data has become an important topic in the computer graphics community. In this article, we present a new spatio-temporal segmentation-based approach for the adaptive compression of the dynamic mesh sequences. Given an input dynamic mesh sequence, we first compute an initial temporal cut to obtain a small subsequence by detecting the temporal boundary of dynamic behavior. Then, we apply a two-stage vertex clustering on the resulting subsequence to classify the vertices into groups with optimal intra-affinities. After that, we design a temporal segmentation step based on the variations of the principal components within each vertex group prior to performing a PCA-based compression. Furthermore, we apply an extra step on the lossless compression of the PCA bases and coefficients to gain more storage saving. Our approach can adaptively determine the temporal and spatial segmentation boundaries to exploit both temporal and spatial redundancies. We have conducted extensive experiments on different types of 3D mesh animations with various segmentation configurations. Our comparative studies show the advantages of our approach for the compression of 3D mesh animations.<\/jats:p>","DOI":"10.1145\/3377475","type":"journal-article","created":{"date-parts":[[2020,3,4]],"date-time":"2020-03-04T10:23:32Z","timestamp":1583317412000},"page":"1-24","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":18,"title":["Spatio-temporal Segmentation Based Adaptive Compression of Dynamic Mesh Sequences"],"prefix":"10.1145","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2028-8825","authenticated-orcid":false,"given":"Guoliang","family":"Luo","sequence":"first","affiliation":[{"name":"East China Jiaotong University, Nanchang, China"}]},{"given":"Zhigang","family":"Deng","sequence":"additional","affiliation":[{"name":"University of Houston, Houston, TX, USA"}]},{"given":"Xin","family":"Zhao","sequence":"additional","affiliation":[{"name":"East China Jiaotong University, Nanchang, China"}]},{"given":"Xiaogang","family":"Jin","sequence":"additional","affiliation":[{"name":"State Key Lab of CAD8CG, Zhejiang University, Hangzhou, China"}]},{"given":"Wei","family":"Zeng","sequence":"additional","affiliation":[{"name":"Jiangxi Normal University, Nanchang, China"}]},{"given":"Wenqiang","family":"Xie","sequence":"additional","affiliation":[{"name":"Jiangxi Normal University, Nanchang, China"}]},{"given":"Hyewon","family":"Seo","sequence":"additional","affiliation":[{"name":"University of Strasbourg, Strasbourg, France"}]}],"member":"320","published-online":{"date-parts":[[2020,3,4]]},"reference":[{"key":"e_1_2_1_1_1","volume-title":"Vasilakis and Ioannis Fudos","author":"Andreas","year":"2014","unstructured":"Andreas A. 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