Statistical analysis of the quantization stage of robust perceptual image hashing.
Azhar HadmiWilliam PuechBrahim Ait Es SaidAbdellah Ait OuahmanPublished in: EUVIP (2011)
Keyphrases
- statistical analysis
- image noise
- image data
- input image
- image classification
- image features
- visual perception
- image representation
- low level
- single image
- quantization error
- multiscale
- image analysis
- quantization noise
- preprocessing stage
- edge detection
- quantization step
- image collections
- partial occlusion
- image segmentation
- geometric distortions
- digital image watermarking scheme
- test images
- image content
- image regions
- high resolution
- image retrieval
- human perception
- watermarking technique
- binary codes
- image matching
- perceptual quality
- watermark embedding
- segmentation algorithm