The Gradient Product Transform: An Image Filter for Symmetry Detection.
Christoph DalitzJens WilbergManuel JeltschPublished in: Image Process. Line (2019)
Keyphrases
- symmetry detection
- image data
- edge detection
- edge map
- high pass
- multiscale
- image gradient
- image features
- single image
- image segmentation
- rotational symmetry
- input image
- gradient direction
- image regions
- gradient information
- discrete fourier transform
- gradient orientation
- low and high frequency
- zero crossing
- image analysis
- image filtering
- image retrieval
- gradient field
- image processing
- vector field
- nonlinear filters
- high resolution
- image quality
- enhanced image
- directional filtering
- gradient magnitude
- polar coordinates
- image matching
- low pass
- image structure
- transform coefficients
- image transformations
- pixel values