Tensor-Based Sparse Representation Classification for Urban Airborne LiDAR Points.
Nan LiNorbert PfeiferChun LiuPublished in: Remote. Sens. (2017)
Keyphrases
- sparse representation
- dictionary learning
- image classification
- sparse coding
- pattern recognition
- subspace learning
- lidar data
- compressive sensing
- random projections
- joint optimization
- text classification
- feature extraction
- sparse reconstruction
- dimensionality reduction
- signal processing
- urban areas
- regularized least squares
- support vector
- image representation
- compressed sensing
- feature space
- feature selection
- training set
- high order
- point cloud
- sparse codes
- face recognition
- data mining
- sparse approximations
- data sets
- negative matrix factorization
- image patches
- bag of words
- high dimensional data
- unsupervised learning
- supervised learning
- support vector machine
- multiscale
- similarity measure
- computer vision