An Extended DCT Domain Watermarking for Robot Vision against Geometric Image Attacks.
Okkyung ChoiInBae JeonSeung-Wha YooSeungbin MoonPublished in: J. Appl. Math. (2013)
Keyphrases
- watermark detection
- dct domain
- watermarking technique
- video watermarking
- watermarking scheme
- quantization step
- low pass filtering
- post processing
- image watermarking
- compressed domain
- transform domain
- spatial domain
- image data
- input image
- watermarking algorithm
- image resizing
- watermarking method
- image blocks
- image retrieval
- human visual system
- spread spectrum
- dct coefficients
- digital video
- jpeg compressed images
- image segmentation
- jpeg images
- discrete cosine transform
- multiscale
- similarity measure
- image classification
- low frequency
- digital images
- watermark embedding
- test images
- high resolution
- digital watermarking
- geometric distortions
- compressed images
- video data
- reference frame
- copyright protection
- image compression
- image processing
- image regions
- multimedia