Robust image hashing based on radial variance of pixels.
Cédric De RooverChristophe De VleeschouwerFrédéric LefèbvreBenoît MacqPublished in: ICIP (3) (2005)
Keyphrases
- input image
- image pixels
- pixel values
- neighboring pixels
- image regions
- image data
- image noise
- image features
- grey level
- image content
- single image
- test images
- standard deviation
- original images
- gray level images
- image retrieval
- segmentation method
- intensity values
- gray value
- homogeneous regions
- pixel intensities
- image classification
- pixel wise
- color distribution
- geometric distortions
- spatial correlation
- image blocks
- adjacent regions
- multiscale
- partial occlusion
- grey levels
- image collections
- adjacent pixels
- spatial information
- noise free image
- intensity gradient
- image processing
- keypoints
- segmentation algorithm
- feature points
- image quality
- similarity measure
- image segmentation