Direct Feature Extraction from Compressed Images.
Bo ShenIshwar K. SethiPublished in: Storage and Retrieval for Image and Video Databases (SPIE) (1996)
Keyphrases
- compressed images
- feature extraction
- image compression
- artifact reduction
- visual quality
- feature vectors
- compression ratio
- reconstructed image
- compressed domain
- preprocessing
- image processing
- face recognition
- principal component analysis
- image classification
- dct domain
- discrete cosine transform
- wavelet transform
- digital images
- bitstream
- image reconstruction
- face images
- frequency domain
- image quality
- feature selection
- transform domain
- ground truth
- feature space
- block truncation coding
- multiscale