Detection of double compression with the same bit rate in MPEG-2 videos.
Zhensheng HuangFangjun HuangJiwu HuangPublished in: ChinaSIP (2014)
Keyphrases
- bit rate
- video signals
- variable bit rate
- video quality
- video coding
- bitstream
- picture quality
- compression efficiency
- efficient compression
- video coder
- rate distortion
- subband
- lossy compression
- bit allocation
- compressed video
- compression algorithm
- visual quality
- image quality
- video sequences
- rate control
- low bit rate
- coding method
- video coding standard
- motion vectors
- video transcoding
- lower bit rate
- video content
- compression ratio
- compressed domain
- reconstructed image
- coding efficiency
- inter frame
- prediction error
- constant bit rate
- macroblock
- pixel domain
- high definition
- video streams
- block size
- image compression
- video data
- motion estimation
- bits per pixel
- computational complexity
- video frames
- motion compensation
- frame rate
- video compression
- error concealment
- data compression
- motion compensated
- entropy coding
- video objects
- digital video
- rate control algorithm
- image data
- multimedia
- wavelet coefficients
- transform coding
- filter bank
- lossless compression