Perceptual feedback in multigrid motion estimation using an improved DCT quantization.
Jesus MaloJaime GutierrezIrene EpifanioFrancesc J. FerriJosé M ArtigasPublished in: IEEE Trans. Image Process. (2001)
Keyphrases
- motion estimation
- spatial domain
- adaptive quantization
- discrete cosine transformation
- transform domain
- transform coefficients
- discrete cosine transform
- motion vectors
- motion compensation
- rate distortion
- video coding
- video sequences
- multiresolution
- motion compensated
- video compression
- image analysis
- dct coefficients
- optical flow
- computational complexity
- low bit rate
- relevance feedback
- multiscale
- dct domain
- block matching
- image sequences
- flow field
- motion field
- image compression
- inter frame
- video coder
- motion model
- human perception
- super resolution
- computer vision
- phase correlation
- blocking artifacts
- reference frame
- boundary conditions
- image quality
- block size
- human visual system
- high resolution
- quantization table
- quantization error
- filter bank
- coded images