Visually Optimal DCT Quantization Matrices for Individual Images.
Andrew B. WatsonPublished in: Data Compression Conference (1993)
Keyphrases
- image data
- image database
- image retrieval
- ground truth
- image features
- object recognition
- input image
- three dimensional
- image analysis
- image registration
- human observers
- image classification
- eigendecomposition
- test images
- feature points
- quantization error
- jpeg images
- low bit rate
- transform domain
- spatial domain
- transform coefficients
- image regions
- distortion measure