This paper conies up with a new idea that tries to optimize the performance of image segmentation algorithms based on their objective evaluation knowledge. A prototype expert system is designed and implemented accordi...This paper conies up with a new idea that tries to optimize the performance of image segmentation algorithms based on their objective evaluation knowledge. A prototype expert system is designed and implemented according to this idea. Kxperimental results indicate that this system is feasible and practical. This idea also offers an efficient approach for algorithm optimization of image processing and analysis.展开更多
为实现温室封闭环境下的自动化农药喷洒作业,设计一种基于机器视觉进行喷雾目标检测、以机械臂为喷药执行单元的精准施药系统。该系统可对目标作物大小及位置进行实时获取,并通过DSP控制机械臂完成施药动作。为尽可能保证目标作物位置...为实现温室封闭环境下的自动化农药喷洒作业,设计一种基于机器视觉进行喷雾目标检测、以机械臂为喷药执行单元的精准施药系统。该系统可对目标作物大小及位置进行实时获取,并通过DSP控制机械臂完成施药动作。为尽可能保证目标作物位置检测的准确性,本文针对目标作物冠层视觉检测时的特殊性,提出采用基于冗余组合的图像分割算法和引入方差分量的改进SAD(Sum of Absolute Differences)匹配算法。算法在抑制田间背景噪声和提高匹配算法适应性上取得较好的实验效果,可以为喷雾臂控制提供稳定准确的空间三维坐标。展开更多
基金国家重点基础研究发展规划(973)(the National Grand Fundamental Research 973 Program of China under Grant No.2003CB716104)国家自然科学基金(the National Natural Science Foundation of China under Grant No.30730036)+1 种基金广东省科技计划项目(No.2007B010400058)广州市科技计划项目(No.2007Z3- E0031)
基金Supported under grants CEC-TM199416 and NNSF-69672029
文摘This paper conies up with a new idea that tries to optimize the performance of image segmentation algorithms based on their objective evaluation knowledge. A prototype expert system is designed and implemented according to this idea. Kxperimental results indicate that this system is feasible and practical. This idea also offers an efficient approach for algorithm optimization of image processing and analysis.
文摘为实现温室封闭环境下的自动化农药喷洒作业,设计一种基于机器视觉进行喷雾目标检测、以机械臂为喷药执行单元的精准施药系统。该系统可对目标作物大小及位置进行实时获取,并通过DSP控制机械臂完成施药动作。为尽可能保证目标作物位置检测的准确性,本文针对目标作物冠层视觉检测时的特殊性,提出采用基于冗余组合的图像分割算法和引入方差分量的改进SAD(Sum of Absolute Differences)匹配算法。算法在抑制田间背景噪声和提高匹配算法适应性上取得较好的实验效果,可以为喷雾臂控制提供稳定准确的空间三维坐标。
