Images Similarity Detection Based on Directional Gradient Angular Histogram.
Jinye PengBianzhang YuDakai WangPublished in: ICPR (1) (2002)
Keyphrases
- image data
- similarity measure
- edge detection
- input image
- gradient vectors
- image database
- similarity retrieval
- image collections
- object recognition
- similarity metric
- detection rate
- intensity variations
- image retrieval
- image features
- directional features
- test images
- complex background
- image analysis
- bounding box
- gradient information
- three dimensional
- gray level
- image classification
- orientation histogram
- partial occlusion
- segmentation algorithm
- distance measure
- pixel wise
- object detection
- detection method
- enhanced image
- histogram analysis
- gray value
- color histogram
- spatial information
- detection algorithm
- medical images
- image registration
- face recognition