Adaptive wavelet-packet decomposition for rate control of object oriented coding of video sequences

Stephanakis, Ioannis; Doulamis, Anastasios; Doulamis, Nikolaos; Kollias, Stefanos

dc.contributor.author	Stephanakis, Ioannis	en
dc.contributor.author	Doulamis, Anastasios	en
dc.contributor.author	Doulamis, Nikolaos	en
dc.contributor.author	Kollias, Stefanos	en
dc.date.accessioned	2014-03-01T02:41:35Z
dc.date.available	2014-03-01T02:41:35Z
dc.date.issued	1999	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/30545
dc.subject	Object Oriented	en
dc.subject	Rate Control	en
dc.subject	Video Object	en
dc.subject	Wavelet Packet	en
dc.subject	Wavelet Packet Decomposition	en
dc.subject.other	Image analysis	en
dc.subject.other	Image communication systems	en
dc.subject.other	Image quality	en
dc.subject.other	Signal to noise ratio	en
dc.subject.other	Standards	en
dc.subject.other	Trees (mathematics)	en
dc.subject.other	Object oriented coding	en
dc.subject.other	Peak signal to noise ratio (PSNR)	en
dc.subject.other	Video object (VO)	en
dc.subject.other	Wavelet packet trees	en
dc.subject.other	Image coding	en
dc.title	Adaptive wavelet-packet decomposition for rate control of object oriented coding of video sequences	en
heal.type	conferenceItem	en
heal.identifier.primary	10.1109/ICIP.1999.822904	en
heal.identifier.secondary	http://dx.doi.org/10.1109/ICIP.1999.822904	en
heal.publicationDate	1999	en
heal.abstract	A novel object dependent coding scheme based on optimization upon wavelet packet trees is proposed. The method may be employed in the context of object oriented video standard MPEG-4 for constraint distortion minimization for each Video Object (VO). Optimal transmission rates are evaluated for each VO which guarantee that important VO (like the foreground) are transmitted with distortions which are equal or less than preselected distortion values. The proposed algorithm is applied to object dependent coding of video frames of the Akiyo sequence with Peak-Signal-to-Noise (PSNR) values, which are higher for the foreground than the background. Experimental results, which favor the proposed method, are provided as well.	en
heal.publisher	IEEE, Los Alamitos, CA, United States	en
heal.journalName	IEEE International Conference on Image Processing	en
dc.identifier.doi	10.1109/ICIP.1999.822904	en
dc.identifier.volume	2	en
dc.identifier.spage	298	en
dc.identifier.epage	302	en