Improved ORB Algorithm Using Three-Patch Method and Local Gray Difference.
Chaoqun MaXiaoguang HuJin XiaoHuanchao DuGuofeng ZhangPublished in: Sensors (2020)
Keyphrases
- improved algorithm
- high accuracy
- cost function
- preprocessing
- detection algorithm
- dynamic programming
- experimental evaluation
- computational complexity
- optimization algorithm
- clustering method
- k means
- computational cost
- input data
- similarity measure
- estimation algorithm
- objective function
- significant improvement
- recognition algorithm
- prior information
- synthetic and real images
- detection method
- computationally efficient
- theoretical analysis
- optimization method
- np hard
- single pass
- experimental study
- high efficiency
- tree structure
- computational efficiency
- matching algorithm
- segmentation algorithm
- decomposition method
- segmentation method
- region of interest
- probabilistic model
- support vector machine svm
- convergence rate
- optimal solution
- pairwise
- classification algorithm
- gray images
- search space
- em algorithm
- expectation maximization
- combinatorial optimization
- mathematical model
- binary images
- energy function
- gray value