基于关键词重提取的密文文本相似性度量方法研究 (Similarity Measure Algorithm of Cipher-text Based on Re-extracted Keywords).
Zhihua LiChaoqun ChenCun LiZhenyu HuHuawei ZhangPublished in: 计算机科学 (2016)
Keyphrases
- similarity measure
- keywords
- learning algorithm
- experimental evaluation
- dynamic programming
- recognition algorithm
- computational complexity
- optimization algorithm
- detection algorithm
- high accuracy
- computational cost
- np hard
- cost function
- search space
- preprocessing
- similarity function
- optimal solution
- clustering method
- objective function
- improved algorithm
- matching algorithm
- similarity metric
- theoretical analysis
- visual features
- expectation maximization
- linear programming
- worst case
- probabilistic model
- significant improvement
- video sequences
- decision trees