New approaches to block filtering of images using symmetric convolution and the DST or DCT.
Stephen A. MartucciRussell M. MersereauPublished in: ISCAS (1993)
Keyphrases
- image blocks
- discrete cosine transform
- block dct
- input image
- linear filtering
- jpeg images
- image database
- image data
- transform coefficients
- image filtering
- image analysis
- dct coefficients
- ground truth
- image features
- discrete fourier transform
- cosine transform
- object recognition
- test images
- image classification
- three dimensional
- transform domain
- dct domain
- edge detection
- image registration
- spatial domain
- fourier domain
- radon transform
- back projection
- image regions
- coded images
- digital images