Image filtering in the block DCT domain using symmetric convolution.
Kapinaiah ViswanathJayanta MukherjeePrabir Kumar BiswasPublished in: J. Vis. Commun. Image Represent. (2011)
Keyphrases
- image filtering
- dct domain
- dct coefficients
- image blocks
- blocking artifacts
- discrete cosine transform
- transform domain
- block dct
- compressed domain
- post processing
- spatial domain
- image restoration
- filtering method
- edge detection
- digital video
- image processing
- median filter
- human visual system
- feature vectors
- binary images
- macroblock
- low frequency
- computer vision
- digital images
- watermarking algorithm
- high frequency
- test images
- image compression
- image data
- block matching
- homogeneous regions
- preprocessing
- similarity measure