Directional Edge Registration for Temporal Chest Image Substraction.
Hui ZhaoShih-Chung Ben LoMatthew T. FreedmanPublished in: AIPR (2001)
Keyphrases
- edge detection
- single image
- image data
- input image
- directional filtering
- image matching
- multiscale
- image features
- directional features
- directional information
- cross correlation
- edge map
- image analysis
- image retrieval
- image segmentation
- registration framework
- edge detector
- template matching
- image representation
- high resolution
- matching process
- image alignment
- gray value
- image registration
- adjacent regions
- normalized correlation
- force field
- intensity variations
- region of interest
- radiographic images
- image edges
- registration accuracy
- registration errors
- x ray
- pixel values
- segmentation algorithm
- image regions
- intensity distribution
- displacement field
- image gradient
- edge pixels
- zero crossing
- feature points
- medical images
- chest radiographs
- affine transformation
- gray level