Gradient skewness tensors and local illumination detection for images.
Fan ZhangBingyin ZhouLizhong PengPublished in: J. Comput. Appl. Math. (2013)
Keyphrases
- illumination conditions
- image data
- edge detection
- lighting conditions
- partial occlusion
- input image
- imaging conditions
- detection rate
- digital photographs
- three dimensional
- image database
- image registration
- image analysis
- outdoor scenes
- test images
- illumination correction
- image gradient
- complex background
- varying illumination
- image matching
- viewing angle
- intensity variations
- viewing conditions
- global illumination
- gradient vectors
- object recognition
- illumination invariant
- illumination variations
- segmentation algorithm
- object detection
- image features
- color images
- image retrieval
- image set
- transformed images