Directional watermarks in images.
Her-Chang ChaoCheng-Lun TaiYuan-Peir ChenPublished in: ISCAS (4) (2005)
Keyphrases
- three dimensional
- input image
- image database
- test images
- ground truth
- image features
- image retrieval
- image data
- image registration
- digital images
- object recognition
- image collections
- medical images
- directional features
- image regions
- image classification
- visual features
- edge detection
- image analysis
- feature vectors
- gaussian noise
- jpeg images
- similarity measure