摘要
描述了基于图像分析的传输流量检测的激光扫描成像偏移原理和三角测量方法。设计了一种新型的用于传输流量检测的图像采集方法和装置,并利用基于语义权值的边缘提取方法和基于视觉模型的阈值选择策略进行传输带上物质的截面轮廓线提取,计算物质截面面积和较短时间内的流量体积。通过积分,最后计算出总的流量体积,并进行分析。在电厂中进行了三段煤传输录像实验,对三段录像流量检测的重复性和准确性比较结果表明,本文提出的图像采集、边缘提取以及流量分析方法可行、有效。
Laser scan imaging and shifting principle, and triangle measuring approach for the transmission flow are described based on the image analysis. A new image sampling method and a device for transmission flow measuring are provided, and an edge detection method based on the semantic weight and threshold selection tactics based on the vision model are used to extract the contour, calculate the area and volume within a short time span. By the integral operation, the total volume is calculated to analyze the material flow. Experimental results of three videos at coal bunker floor of the electric factory show that the methods for the image sampling, the edge detection, and the flow analysis are practical and effective.
出处
《数据采集与处理》
CSCD
北大核心
2005年第4期466-471,共6页
Journal of Data Acquisition and Processing
基金
上海市教委自然科学基金(05LZ10)资助项目
关键词
传输流量
成像偏移原理
语义权值
边缘检测
视觉模型
transmission flow
imaging and shifting principle
semantic weight
edge detection
vision model
