Keyphrases
- edge detection
- noisy images
- edge detector
- multiscale
- sobel operator
- image enhancement
- recursive filtering
- image processing
- region growing
- noise reduction
- edge detection algorithm
- signal to noise ratio
- mathematical morphology
- machine learning
- denoising
- image filtering
- artificial intelligence
- image analysis
- relational databases
- edge points
- clustering algorithm
- nested relations
- optimal filter
- gradient operators
- web pages