A novel block-based authentication technique for binary images by block pixel rearrangements.
Pei-Ming HuangDa-Chun WuWen-Hsiang TsaiPublished in: ICME (2004)
Keyphrases
- binary images
- image blocks
- block size
- gray level images
- input image
- connected components
- gray scale
- mathematical morphology
- discrete cosine transform
- dct domain
- gray scale images
- gray images
- binary patterns
- binary and gray scale
- thinning algorithm
- digital watermarking
- grayscale images
- dct coefficients
- morphological operations
- digital images
- motion estimation
- transform domain
- structuring elements