Efficient Compression of Encrypted Grayscale Images.
Wei LiuWenjun ZengLina DongQiuming YaoPublished in: IEEE Trans. Image Process. (2010)
Keyphrases
- grayscale images
- efficient compression
- bit rate
- reconstructed image
- higher quality
- image compression
- gray scale
- color images
- binary images
- video compression
- gray level
- visual quality
- image enhancement
- video codec
- video coding
- rate distortion
- image reconstruction
- color information
- test images
- image quality
- low bit rate
- subband
- motion vectors
- bitstream
- post processing
- high quality
- inter frame
- ground truth
- video sequences
- motion compensation
- compression ratio
- texture information
- object recognition
- computational complexity