Arbitrary-ratio image resizing using fast DCT of composite length for DCT-based transcoder.
Young Seo ParkHyun Wook ParkPublished in: IEEE Trans. Image Process. (2006)
Keyphrases
- image resizing
- dct domain
- pixel domain
- compressed domain
- dct coefficients
- discrete cosine transform
- compressed images
- bitstream
- macroblock
- compressed video
- spatial domain
- transform domain
- post processing
- image compression
- motion vectors
- bit rate
- blocking artifacts
- digital video
- human visual system
- low frequency
- rate distortion
- jpeg compression
- motion estimation
- video analysis
- coding scheme
- image blocks
- reference frame
- high frequency
- jpeg images
- wyner ziv
- inter frame
- low bit rate
- computer vision
- quadtree
- visual quality
- frequency domain
- subband
- preprocessing
- video sequences