Edge detection insensitive to changes of illumination in the image.
Francesc AràndigaAlbert CohenRosa DonatBasarab MateiPublished in: Image Vis. Comput. (2010)
Keyphrases
- edge detection
- single image
- multiscale
- image data
- image segmentation
- noise estimation
- image features
- input image
- lighting conditions
- image edges
- image classification
- edge detector
- image representation
- homomorphic filtering
- imaging conditions
- illumination conditions
- sobel operator
- image analysis
- edge information
- image enhancement
- image content
- noisy images
- image retrieval
- pixel values
- image pixels
- varying illumination
- high resolution
- image processing
- segmentation method
- intensity gradient
- pixel intensities
- edge map
- partial occlusion
- region growing
- segmentation algorithm
- object motion
- zero crossing
- outdoor scenes
- image filtering
- illumination variations
- edge pixels
- denoising
- step edges
- feature points