A Feature-space Multimodal Data Augmentation Technique for Text-video Retrieval.
Alex FalconGiuseppe SerraOswald LanzPublished in: ACM Multimedia (2022)
Keyphrases
- video retrieval
- multimodal data
- feature space
- video search
- concept based video retrieval
- kernel trick
- multiple modalities
- semantic gap
- video database
- content based retrieval
- similarity search
- multimedia databases
- retrieval systems
- visual content
- video data
- dimensionality reduction
- video shots
- feature selection
- video content
- text retrieval
- feature vectors
- video clips
- kernel function
- key frames
- text mining
- feature extraction
- kernel methods
- kernel pca
- information retrieval systems
- input space
- high dimensional feature space
- information retrieval
- high dimensional
- training set
- keywords
- sparse coding
- text documents
- semantic information
- low dimensional
- principal component analysis
- classification accuracy
- image processing
- metadata
- machine learning