Deriving Ephemeral Gullies from VHR Image in Loess Hilly Areas through Directional Edge Detection.
Xin YangWen DaiGuoan TangMin LiPublished in: ISPRS Int. J. Geo Inf. (2017)
Keyphrases
- edge detection
- aerial images
- multiscale
- image data
- change detection
- single image
- edge detection algorithm
- image analysis
- noisy images
- image segmentation
- edge detector
- input image
- image content
- remote sensing
- noise estimation
- image edges
- noise reduction
- image features
- satellite images
- sobel operator
- image retrieval
- edge pixels
- image filtering
- hough transform
- image enhancement
- image processing
- high resolution
- image classification
- edge map
- multiresolution
- segmentation algorithm
- region growing
- region of interest
- directional information
- image registration
- image regions
- edge detection algorithms
- directional features
- canny edge detector
- blur estimation
- feature points