A Novel Approach for Edge Detection Using HBT Filter and Logarithmic Transform.
Madhu S. NairR. VrinthavaniM. WilscyPublished in: ICDIP (2009)
Keyphrases
- edge detection
- directional filtering
- noise reduction
- optimal filter
- recursive filtering
- canny edge detector
- noise removal
- zero crossing
- image filtering
- gaussian filter
- edge map
- edge detector
- image enhancement
- noisy images
- noise elimination
- multiscale
- anisotropic diffusion
- image processing
- worst case
- preprocessing step
- edge information
- median filter
- original signal
- wavelet transform
- high pass
- low and high frequency
- region growing
- fast fourier transform
- low pass filter
- filtering method
- kalman filtering
- filtering algorithm
- morphological operations
- feature detection
- blur estimation
- sobel operator
- color images
- lower bound