An Efficient Content-Based Image Enhancement in the Compressed Domain Using Retinex Theory.
Sangkeun LeePublished in: IEEE Trans. Circuits Syst. Video Technol. (2007)
Keyphrases
- image enhancement
- compressed domain
- image indexing
- retinex theory
- image processing
- motion vectors
- video analysis
- image analysis
- edge detection
- bitstream
- color image enhancement
- histogram equalization
- contrast enhancement
- inter frame
- video sequences
- unsharp masking
- enhanced image
- image contrast enhancement
- motion compensation
- transfer function
- bit rate
- image retrieval
- pattern recognition
- face recognition
- human visual system
- event detection
- motion estimation
- three dimensional