Joint optimization of JPEG quantization table and coefficient thresholding for low bitrate mobile visual search.
Yitong WangLing-Yu DuanJie LinTiejun HuangWen GaoPublished in: ICIP (2014)
Keyphrases
- bit rate
- quantization table
- joint optimization
- image quality
- visual quality
- jpeg images
- low bit rate
- rate distortion
- video coding
- bitstream
- human visual system
- lossy compression
- step size
- reconstructed image
- video quality
- subband
- coding method
- motion vectors
- macroblock
- rate control
- high quality
- coding efficiency
- inter frame
- bit allocation
- image data
- sparse representation
- compression algorithm
- motion compensation
- jpeg compression
- compressed images
- compression ratio
- video compression
- compression efficiency
- peak signal to noise ratio
- image processing
- bit plane
- video codec