Robust and fast computation of unbiased intensity derivatives in images.
Thierry ViévilleOlivier D. FaugerasPublished in: ECCV (1992)
Keyphrases
- image data
- image features
- ground truth
- intensity values
- image database
- image retrieval
- input image
- image analysis
- image noise
- test images
- illumination change
- edge detection
- three dimensional
- image registration
- segmentation method
- image gradient
- intensity gradient
- image set
- partial occlusion
- previously computed
- transfer function
- illumination conditions
- object recognition
- image intensity
- feature descriptors
- intensity images
- keypoints
- geometric transformations
- registration errors
- higher order
- intensity distribution
- intensity variations
- orientation estimation
- gaussian derivatives
- multiscale
- face recognition