Color Image Compression Based on Wavelet, Differential Pulse Code Modulation and Quadtree Coding

@inproceedings{George2017ColorIC,
  title={Color Image Compression Based on Wavelet, Differential Pulse Code Modulation and Quadtree Coding},
  author={Ali H. Ahmed and Loay E. George},
  year={2017}
}
The objective of this study is to introduce a low cost color image lossy color image compression. The RGB image data is transformed to YUV color space, then the chromatic bands U&V are down-sampled using dissemination step. The bi-orthogonal wavelet transform is used to decompose each color sub band, separately. Then, the Differential Pulse-Code Modulation (DPCM) is used to encode the Low-Low (LL) sub band. The other wavelet sub bands are coded using scalar Quantization. Also, the quad-tree… CONTINUE READING

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