Keyphrases
- gray scale images
- invariant features
- gray scale
- binary images
- color images
- discriminative power
- zernike moments
- image matching
- shape features
- keypoints
- inverse halftoning
- texture images
- natural color images
- gray level
- infrared imagery
- viewpoint
- surface geometry
- local image descriptors
- color invariant
- image processing
- matching algorithm