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		<doi>10.1109/SIBGRAPI.2001.963053</doi>
		<citationkey>JunJiegLing:2001:ViWaTe</citationkey>
		<title>Video watermark technique in motion vector</title>
		<year>2001</year>
		<numberoffiles>1</numberoffiles>
		<size>380 KiB</size>
		<author>Jun, Zhang,</author>
		<author>Jiegu, Li,</author>
		<author>Ling, Zhang,</author>
		<editor>Borges, Leandro Díbio,</editor>
		<editor>Wu, Shin-Ting,</editor>
		<conferencename>Brazilian Symposium on Computer Graphics and Image Processing, 14 (SIBGRAPI)</conferencename>
		<conferencelocation>Florianópolis, SC, Brazil</conferencelocation>
		<date>15-18 Oct. 2001</date>
		<publisher>IEEE Computer Society</publisher>
		<publisheraddress>Los Alamitos</publisheraddress>
		<pages>179-182</pages>
		<booktitle>Proceedings</booktitle>
		<tertiarytype>Full Paper</tertiarytype>
		<organization>SBC - Brazilian Computer Society</organization>
		<transferableflag>1</transferableflag>
		<versiontype>finaldraft</versiontype>
		<keywords>video watermarking, MPEG, motion vector.</keywords>
		<abstract>In this paper, we propose a video watermarking technique to hide copyright information in MPEG motion vector. In this method, watermark is embedded in larger value motion vectors, and specially in the less phase angle changed component. Then, the mtion vector is modified into a new bitstream from which the watermak information can be easily retrieved. From the experimental results it indicates that to embed watermak in motion vector has the advatage of little degrading the video sequence, and can be used to watermark on both the uncompressed and compressed video sequence.</abstract>
		<language>en</language>
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		<notes>The conference was held in Florianópolis, SC, Brazil, from October 15 to 18.</notes>
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