ROI Based Quality Access Control of Compressed Color Image using DWT via Lifting
ROI (Region of Interest) 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 quality access control method of compressed color image by modulating the coefficients of ROI at vario...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Computer Vision Center Press
2009-09-01
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| Series: | ELCVIA Electronic Letters on Computer Vision and Image Analysis |
| Subjects: | |
| Online Access: | https://elcvia.cvc.uab.es/article/view/303 |