Image bilevel thresholding based on multiscale gradient multiplication.
Yaobin ZouPublished in: ICDIP (2012)
Keyphrases
- multiscale
- edge detection
- image segmentation
- image representation
- multiscale analysis
- image features
- image processing
- image data
- edge detector
- image content
- natural images
- single image
- thresholding method
- gradient direction
- input image
- scale space
- image classification
- segmentation algorithm
- single scale
- enhanced image
- contrast enhancement
- image analysis
- image retrieval
- affine invariant
- wavelet domain
- image regions
- gradient field
- wavelet decomposition
- gaussian scale space
- coarse to fine
- keypoints
- low level
- post processing
- gray level
- global thresholding
- image structure
- high resolution
- adaptive thresholding
- wavelet transform
- gradient magnitude
- wavelet coefficients
- segmentation method
- image gradient
- grey level
- edge map
- image matching