J-Distance Discord: An Improved Time Series Discord Definition and Discovery Method.
Tian HuangYongxin ZhuYafei WuWeiwei ShiPublished in: ICDM Workshops (2015)
Keyphrases
- detection method
- computational cost
- image sequences
- high precision
- mutual information
- probabilistic model
- cost function
- preprocessing
- computational complexity
- high accuracy
- distance measure
- optimization algorithm
- detection algorithm
- clustering method
- similarity measure
- dissimilarity measure
- training set
- stock market
- genetic algorithm
- matching algorithm
- distance function
- synthetic data
- support vector machine svm
- multiscale
- experimental evaluation
- dynamic programming