JPEG2000 encoding with perceptual distortion control.
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Abstract
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.
Medical subject headings
- Algorithms
- Artifacts
- Computer Graphics
- Data Compression
- Image Enhancement
- Image Interpretation, Computer-Assisted
- Pattern Recognition, Automated