Variational 3D-PIV with Sparse Descriptors.
Katrin LasingerChristoph VogelThomas PockKonrad SchindlerPublished in: CoRR (2018)
Keyphrases
- particle image velocimetry
- image segmentation
- sparse data
- high dimensional
- basis pursuit
- sparse matrix
- keypoints
- image processing
- dense sampling
- object retrieval
- dictionary learning
- shape descriptors
- sparse representation
- feature vectors
- multiscale
- data sets
- feature descriptors
- compressed sensing
- optical flow
- variational framework
- optical flow computation
- invariant descriptors
- image retrieval