Contour line simplification method based on the two-level Bellman-Ford algorithm.
Guangjing HeXinchang ZhangYing SunGuowei LuoLiyan ChenPublished in: Trans. GIS (2021)
Keyphrases
- dynamic programming
- preprocessing
- high accuracy
- detection method
- experimental evaluation
- objective function
- cost function
- computational cost
- improved algorithm
- computational complexity
- optimization algorithm
- segmentation method
- detection algorithm
- theoretical analysis
- estimation algorithm
- synthetic and real images
- optimization method
- computationally efficient
- significant improvement
- energy function
- matching algorithm
- segmentation algorithm
- clustering method
- convergence rate
- input data
- k means
- learning algorithm
- line detection
- similarity measure
- optimal solution
- support vector machine svm
- recognition algorithm
- classification algorithm
- dominant points
- polygonal approximation
- delaunay triangulation
- gradient information
- reconstruction process
- edge detection
- tree structure
- piecewise linear
- expectation maximization
- contour tracking
- np hard
- text lines
- probabilistic model
- support vector machine
- linear program
- contour lines
- line fitting