A new hybrid DWT-SVD image-coding system for color images
ISCGAV'05 Proceedings of the 5th WSEAS International Conference on Signal Processing, Computational Geometry & Artificial Vision
A framework for fully configurable video coding
PCS'09 Proceedings of the 27th conference on Picture Coding Symposium
Two properties of SVD and its application in data hiding
ICIC'07 Proceedings of the intelligent computing 3rd international conference on Advanced intelligent computing theories and applications
Dynamic replacement of video coding elements
Image Communication
Decoder description syntax for fully configurable video coding
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Adaptive orthogonal transform for motion compensation residual in video compression
MMM'11 Proceedings of the 17th international conference on Advances in multimedia modeling - Volume Part I
A modified HDWTSVD image coding system
AEE'06 Proceedings of the 5th WSEAS international conference on Applications of electrical engineering
ICECS'05 Proceedings of the 4th WSEAS international conference on Electronics, control and signal processing
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We propose an image-coding algorithm which combines the discrete cosine transform (DCT) and the singular value decomposition (SVD). The DCT is used to transform those blocks in the source image that exhibit a high correlation, while blocks with greater high-frequency content are transformed using the SVD. A simple criterion is used to decide which transform should be used on each block. Simulation results show that the new hybrid algorithm provides good distortion, bit rate, and image quality-especially in images which are less spatially correlated