Interactive spatio-temporal exploration of massive time-Varying rectilinear scalar volumes based on a variable bit-rate sparse representation over learned dictionaries.
José DíazFabio MartonEnrico GobbettiPublished in: Comput. Graph. (2020)
Keyphrases
- sparse representation
- variable bit rate
- dictionary learning
- sparse coding
- face recognition
- compressive sensing
- image classification
- sparse approximations
- image representation
- reconstruction error
- signal processing
- dimensionality reduction
- joint optimization
- high dimensional data
- three dimensional
- video quality
- image patches
- object tracking
- data analysis
- picture quality
- moving objects
- image sequences
- object recognition
- bit rate
- compressed video
- rate control
- computer vision
- data sets
- test images
- high quality
- rate distortion
- video coding
- multiscale
- principal component analysis