A double-threshold image binarization method based on edge detector.
Qiang ChenQuan-Sen SunPheng-Ann HengDe-Shen XiaPublished in: Pattern Recognit. (2008)
Keyphrases
- binarization method
- edge detection
- edge detector
- gaussian filter
- edge map
- multiscale
- median filtering
- gray images
- image features
- license plate
- input image
- single image
- document images
- zero crossing
- image processing
- phase congruency
- gray value
- gray level
- image enhancement
- image analysis
- anisotropic diffusion
- edge information
- post processing
- similarity measure
- signal to noise ratio
- mathematical morphology
- computer vision
- hough transform
- frequency domain
- image segmentation
- detected edges