A Unified Framework for Optimizing Video Corpus Retrieval and Temporal Answer Grounding: Fine-Grained Modality Alignment and Local-Global Optimization.
Shuang ChengZineng ZhouJun LiuJian YeHaiyong LuoYang GuPublished in: NLPCC (3) (2023)
Keyphrases
- global optimization
- fine grained
- coarse grained
- temporal information
- access control
- particle swarm optimization
- information retrieval
- pso algorithm
- multimedia
- global solution
- video sequences
- global search
- video content
- video search
- video frames
- document retrieval
- video data
- user intent
- deterministic annealing
- constrained global optimization
- test collection
- neural network
- temporal constraints
- query expansion
- web search
- information extraction
- high level