Contour Line and Geographic Feature Extraction from USGS Color Topographical Paper Maps.
Alireza KhotanzadEdmund ZinkPublished in: IEEE Trans. Pattern Anal. Mach. Intell. (2003)
Keyphrases
- feature extraction
- contour lines
- topographic maps
- color images
- watershed segmentation
- color space
- feature vectors
- color information
- intersection points
- color coded
- image processing
- adaptive thresholding
- line segments
- active contours
- feature selection
- preprocessing
- digital elevation models
- gradient information
- contour detection
- spatial analysis
- color segmentation
- geographical information
- feature set
- principal component analysis
- image classification
- curvilinear structures
- image segmentation
- frequency domain
- endpoints
- active contour model
- wavelet transform
- gabor filters
- feature space