Gradient histogram: Thresholding in a region of interest for edge detection.
Debashis SenSankar K. PalPublished in: Image Vis. Comput. (2010)
Keyphrases
- region of interest
- edge detection
- gradient magnitude
- multiscale
- medical images
- gray level
- noisy images
- edge detector
- image enhancement
- image processing
- region growing
- ct images
- zero crossing
- step edges
- blood vessels
- ct scans
- computer vision
- color histogram
- enhanced image
- dominant color
- image thresholding
- wavelet coefficients
- denoising
- wavelet transform
- image retrieval