A Method for Measuring Congestion Degree of Subway Network Based on PCA Algorithm.
Zhiqiang GuoXin ZhaoJin LiuPublished in: ICMLC (2018)
Keyphrases
- dynamic programming
- high accuracy
- cost function
- detection method
- computational cost
- preprocessing
- detection algorithm
- k means
- computationally efficient
- improved algorithm
- optimization algorithm
- experimental evaluation
- computational complexity
- theoretical analysis
- synthetic and real images
- segmentation algorithm
- significant improvement
- objective function
- principal components
- estimation algorithm
- probabilistic model
- convergence rate
- clustering method
- recognition algorithm
- tree structure
- principal component analysis
- reconstruction method
- matching algorithm
- similarity measure
- support vector machine svm
- learning algorithm
- segmentation method
- method for face recognition
- selection algorithm
- principle component analysis
- negative matrix factorization
- high efficiency
- em algorithm
- expectation maximization
- input data
- np hard
- search space
- energy function
- feature space
- optimal solution
- training procedure
- classification algorithm
- handwritten digits
- feature extraction