HBT Filter and Logarithmic Transform Based Edge Detection - A Modified Approach.
Madhu S. NairR. VrinthavaniM. WilscyPublished in: Eng. Lett. (2009)
Keyphrases
- edge detection
- noise reduction
- optimal filter
- recursive filtering
- noise removal
- zero crossing
- canny edge detector
- edge detector
- image filtering
- edge map
- image enhancement
- noisy images
- multiscale
- median filter
- anisotropic diffusion
- image processing
- gaussian filter
- region growing
- edge information
- filtering algorithm
- preprocessing step
- filter bank
- worst case
- directional filtering
- noise elimination