Hybrid context modeling and wavelet transform for region of interest detection and rate control based on VP9 video codec.
Zhewei ZhangTao JingChunhua TianMeilin GaoXuejing LiPublished in: Concurr. Comput. Pract. Exp. (2019)
Keyphrases
- region of interest
- rate control
- video codec
- video coding
- rate distortion
- rate control algorithm
- video quality
- wavelet transform
- image coder
- inter frame
- bit rate
- subband
- intra frame
- motion estimation
- video streaming
- visual quality
- motion compensated
- image coding
- macroblock
- bit plane
- motion compensation
- bitstream
- motion vectors
- multiresolution
- bit allocation
- video compression
- video sequences
- entropy coding
- lossless compression
- video content
- wavelet coefficients
- coding efficiency
- low bit rate
- quadtree
- quality assessment
- video frames
- error concealment
- image compression
- computational complexity
- multiscale
- high frequency
- image data
- coding method
- transform coefficients
- arithmetic coding
- high quality
- human visual system