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Method of Camera Calibration Based on Improved Particle Swarm Optimization Algorithm
Author(s): 
Pages: 234-237
Year: Issue:  23
Journal: Video Engineering

Keyword:  camera calibrationparticle swarmmulti-fitness function;
Abstract: 在充分研究多种摄像机标定方法和粒子群优化算法(PSO)的基础上,针对传统PSO算法存在早熟和局部收敛的问题,提出了一种改进的新型粒子群优化算法在摄像机标定中的应用.该算法在基本PSO惯性权重部分加入了收缩因子,很好地改善了算法的收敛性;为了进一步提高优化的速度和可靠性,引入了多适应值函数策略.最后在OpenCV上实现了基于该改进方法的摄相机标定.实验结果表明,该摄像机标定方法有效提高了原有张正友平面标定法的标定精度,结果稳定可靠,具有一定的工程应用价值.
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