Feature sampling and partitioning for visual vocabulary generation on large action classification datasets
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Summary
This work provides a critical evaluation of various approaches to building a vocabulary and shows that good practises do have a significant impact and is able to achieve state-of-the-art results on 5 major action recognition datasets using relatively small visual vocabularies.
- Type
- preprint
- Published
- 2014-05-29
- Cited by
- 20
- References
- 38
- Access
- Open access
- OpenAlex
- https://openalex.org/W160239212
- Semantic Scholar
- https://api.semanticscholar.org/CorpusID:17728078
Keywords
Computer science, Feature (linguistics), Artificial intelligence, Vocabulary, Sampling (signal processing)
References
- UCF101: A Dataset of 101 Human Actions Classes From Videos in The Wild
- Improving "bag-of-keypoints" image categorisation: Generative Models and PDF-Kernels
- The devil is in the details: an evaluation of recent feature encoding methods
- Aggregating Local Image Descriptors into Compact Codes
- Towards optimal bag-of-features for object categorization and semantic video retrieval
- Evaluation of Local Spatio-temporal Features for Action Recognition
- Learning hierarchical invariant spatio-temporal features for action recognition with independent subspace analysis
- Learning Discriminative Space–Time Action Parts from Weakly Labelled Videos
- On Space-Time Interest Points
- A Spatio-Temporal Descriptor Based on 3D-Gradients
- A Randomized Algorithm for Principal Component Analysis
- Vlfeat: an open and portable library of computer vision algorithms
- Dense Trajectories and Motion Boundary Descriptors for Action Recognition
- Large-scale image retrieval with compressed Fisher vectors
- A Biologically Inspired System for Action Recognition
- Recognizing realistic actions from videos “in the wild”
- Local Features and Kernels for Classification of Texture and Object Categories: A Comprehensive Study
- LIBLINEAR: A Library for Large Linear Classification
- Action recognition by dense trajectories
- HMDB: A large video database for human motion recognition
Cited by
- The Best of BothWorlds: Combining Data-Independent and Data-Driven Approaches for Action Recognition
- Long-short Term Motion Feature for Action Classification and Retrieval
- Beyond Gaussian Pyramid: Multi-skip Feature Stacking for action recognition
- Pooling the Convolutional Layers in Deep ConvNets for Action Recognition
- ARCH: Adaptive recurrent-convolutional hybrid networks for long-term action recognition
- Handcrafted Local Features are Convolutional Neural Networks
- Improving Human Activity Recognition Through Ranking and Re-ranking
- Multi-class Support Vector Machine classifiers using intrinsic and penalty graphs
- Beyond Spatial Pyramid Matching: Space-time Extended Descriptor for Action Recognition
- Introducing temporal order of dominant visual word sub-sequences for human action recognition
- Combining multi-class maximum margin classification with linear discriminant analysis for human action recognition
- Deep Local Video Feature for Action Recognition
- Deep Learning for Fixed Model Reuse
- A compact pairwise trajectory representation for action recognition
- Analyse et reconnaissance de séquences vidéos d'activités humaines dans l'espace sémantique. (Analysis and recognition of human activities in video sequences in the semantic space)
- Pooling the Convolutional Layers in Deep ConvNets for Video Action Recognition
- Feature sampling strategies for action recognition
- Towards Usable Multimedia Event Detection
- Recognising and localising human actions
- PAIRWISE TRAJECTORY REPRESENTATION FOR ACTION RECOGNITION
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