Filtering and enhancement of color images in the block DCT domain.
Jayanta MukhopadhyayPublished in: ISCAS (2017)
Keyphrases
- dct domain
- dct coefficients
- color images
- block dct
- image blocks
- blocking artifacts
- discrete cosine transform
- image processing
- transform domain
- spatial domain
- contrast enhancement
- post processing
- jpeg images
- gray scale
- human visual system
- low pass filtering
- jpeg compression
- compressed images
- compressed domain
- image enhancement
- digital video
- image resizing
- low frequency
- watermarking algorithm
- block boundaries
- quantization step
- video transcoding
- reference frame
- frequency domain
- digital images
- wavelet domain
- feature vectors
- image compression