Keyphrases
- lossy compression
- image quality
- lossless compression
- image compression
- bit rate
- pattern matching
- compression ratio
- gray level images
- data hiding
- frequency domain
- low bit rate
- watermarking algorithm
- computer vision
- video coding
- visual quality
- lifting scheme
- motion vectors
- gray level
- compression scheme
- human visual system
- multimedia data
- binary images
- watermarking technique
- image data
- high quality