Sparse Coding Guided Spatiotemporal Feature Learning for Abnormal Event Detection in Large Videos.
Wenqing ChuHongyang XueChengwei YaoDeng CaiPublished in: IEEE Trans. Multim. (2019)
Keyphrases
- sparse coding
- dictionary learning
- sparse representation
- natural images
- unsupervised learning
- group sparsity
- supervised learning
- image classification
- learning algorithm
- learning process
- single image super resolution
- deep belief networks
- small number
- active learning
- bag of words
- prior knowledge
- visual recognition
- structured sparsity
- training data