Edge distance and gray level extraction and orientation invariant transform for Chinese seal recognition.
Ching-Liang SuPublished in: Appl. Math. Comput. (2007)
Keyphrases
- gray level
- edge detector
- gray value
- edge orientation
- gray scale
- texture analysis
- gray level images
- smooth regions
- co occurrence
- image segmentation
- run length
- object recognition
- low contrast
- circle detection
- input image
- orientation histogram
- thresholding method
- black and white
- texture images
- distance measure
- pattern recognition
- texture features
- gabor filters
- distance function
- edge detection
- image contrast enhancement
- gray images
- word segmentation
- information extraction
- contrast enhancement
- affine invariant
- distance transform
- pixel values
- edge strength
- character recognition
- histogram equalization
- edge information
- binary images
- feature extraction