Nonseparable Filters for Images in the Block DCT Domain.
Jayanta MukhopadhyayK. SairamPublished in: ICIP (2018)
Keyphrases
- dct domain
- low pass filtering
- image blocks
- dct coefficients
- jpeg images
- image data
- jpeg compressed images
- edge detection
- block dct
- block boundaries
- low pass filter
- input image
- image retrieval
- discrete cosine transform
- transform domain
- image classification
- image resizing
- image features
- ground truth
- similarity measure
- spatial domain
- test images
- compressed images
- blocking artifacts
- compressed domain
- post processing
- human visual system
- jpeg compression
- high frequency
- gaussian filter