Robust Image Hashing Based on Statistical Invariance of DCT Coefficients.
Fa-Xin YuYanqiang LeiYuan-Gen WangZhe-Ming LuPublished in: J. Inf. Hiding Multim. Signal Process. (2010)
Keyphrases
- dct coefficients
- spl times
- jpeg images
- image data
- image blocks
- image classification
- input image
- dct domain
- multiscale
- discrete cosine transform
- image features
- watermarking method
- geometric distortions
- blocking artifacts
- discrete cosine transformation
- compressed domain
- low frequency
- image segmentation
- image retrieval
- post processing
- image representation
- test images
- jpeg compressed images
- transform domain
- watermark detection
- face recognition
- similarity measure
- watermarking technique
- high resolution
- pattern recognition
- image authentication
- image sequences
- digital images
- three dimensional