Point-Wise Extended Visual Masking for JPEG-2000 Image Compression

@inproceedings{Zeng2000PointWiseEV,
  title={Point-Wise Extended Visual Masking for JPEG-2000 Image Compression},
  author={Wenjun Zeng and Scott J. Daly and Shawmin Lei},
  booktitle={ICIP},
  year={2000}
}
One common visual optimization strategy for image compression is to exploit the visual masking effect where artifacts are locally masked by the image acting as a background signal. In this paper, we present a point-wise extended visual masking approach that nonlinearly maps the wavelet coefficients to a perceptually uniform domain prior to quantization by taking advantages of both selfcontrast masking and neighborhood masking effects, thus achieving very good visual quality. It is essentially a… CONTINUE READING
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