An Improvement of Embedding Color Watermarks in Color Images Based on Schur Decomposition.
Ling-Yuan HsuHwai-Tsu HuYun-Hsiang ChangPublished in: TSP (2018)
Keyphrases
- color images
- color information
- color space
- watermarking algorithm
- gray scale
- digital images
- color image segmentation
- image processing
- watermarking technique
- color correction
- color components
- color image processing
- watermarking scheme
- grayscale images
- watermark embedding
- color texture
- gray scale images
- watermark detection
- color quantization
- spread spectrum
- signal processing
- information hiding
- image watermarking
- color channels
- color difference
- digital watermarking
- color perception
- contrast enhancement
- natural color images
- watermark extraction
- interior point methods
- data hiding
- vector space
- binary images