Compressed-domain video parsing using energy histograms of the lower-frequency DCT coefficients.
Oliver K. BaoJose A. LayLing GuanPublished in: Storage and Retrieval for Media Databases (2000)
Keyphrases
- compressed domain
- dct coefficients
- video analysis
- compressed video
- dct domain
- video data
- jpeg images
- motion vectors
- pixel domain
- video sequences
- jpeg compression
- inter frame
- event detection
- bitstream
- video content
- video frames
- video streams
- low frequency
- compressed images
- macroblock
- blocking artifacts
- discrete cosine transform
- digital video
- motion estimation
- image resizing
- jpeg compressed images
- block dct
- metadata
- image blocks
- watermarking algorithm
- transform domain
- visual quality
- bit rate
- image compression
- search algorithm
- multimedia
- image processing