Quaternion Space Sparse Decomposition for Motion Compression and Retrieval.
Mingyang ZhuHuaijiang SunZhigang DengPublished in: Symposium on Computer Animation (2012)
Keyphrases
- space time
- motion analysis
- test collection
- image sequences
- compression scheme
- high dimensional
- compression algorithm
- search space
- image compression
- document retrieval
- retrieval model
- fourier transform
- motion estimation
- data compression
- human motion
- information retrieval
- computer vision
- motion field
- geometric structure
- information retrieval systems
- image database
- image retrieval
- moving objects
- multiscale
- face recognition
- low dimensional
- motion model
- relevance feedback
- optical flow
- compression ratio
- feature extraction