A new geometric descriptor for symbols with affine deformations.
Qi JiaXin FanZhongxuan LuoYu LiuHe GuoPublished in: Pattern Recognit. Lett. (2014)
Keyphrases
- geometric transformations
- invariant descriptors
- affine transformation
- affine invariance
- image deformations
- affine invariant
- image registration
- invariant representation
- geometric and photometric transformations
- geometric consistency
- geometric structure
- three dimensional
- keypoints
- shape descriptors
- lie group
- image retrieval
- object recognition
- action recognition
- feature extraction
- geometric constraints
- closed form
- discriminative power
- transformation model
- mathematical expressions
- shape registration
- face recognition