Blocking effect reduction of compressed images using classification-based constrained optimization.
Tae Keun KimJoon Ki PaikChee Sun WonYoonsik ChoeJechang JeongJae Yeal NamPublished in: Signal Process. Image Commun. (2000)
Keyphrases
- feature extraction
- compressed images
- blocking effect
- constrained optimization
- visual quality
- image compression
- image classification
- blocking artifacts
- face recognition
- preprocessing
- reconstructed image
- low bit rate
- compressed domain
- compression ratio
- discrete cosine transform
- wavelet transform
- objective function
- dct domain
- bitstream
- image processing
- feature selection
- human visual system
- peak signal to noise ratio
- post processing
- bit rate
- image quality
- optical flow
- feature space