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JPEG2000 encoding with perceptual distortion control

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3 Author(s)
Zhen Liu ; Qualcomm, San Diego, CA, USA ; Karam, L.J. ; Watson, A.B.

In this paper, a new encoding approach is proposed to control the JPEG2000 encoding in order to reach a desired perceptual quality. The new method is based on a vision model that incorporates various masking effects of human visual perception and a perceptual distortion metric that takes spatial and spectral summation of individual quantization errors into account. Compared with the conventional rate-based distortion minimization JPEG2000 encoding, the new method provides a way to generate consistent quality images at a lower bit rate.

Published in:

Image Processing, IEEE Transactions on  (Volume:15 ,  Issue: 7 )