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17 p, 839.0 KB ROI Based Quality Access Control of Compressed Color Image using DWT via Lifting / Phadikar, Amit (MCKV Institute of Engineering (Índia). Department of Information Technology) ; Maity, Santi P. (Bengal Engineering and Science University. Department of Information Technology)
Region-of-Interest (ROI) in an image or video signal contains important information and may be used for access control at various qualities using multiresolution analysis (MRA). This paper proposes a novel quality access control method of compressed color image by modulating the coefficients of ROI at various levels. [...]
2009 - 10.5565/rev/elcvia.303
ELCVIA : Electronic Letters on Computer Vision and Image Analysis, V. 8 n. 2 (2009) p. 51-67  
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