文章摘要
李治贤,谌贵辉,张三炳.基于机器视觉的贴片电阻封装排序方法[J].包装工程,2018,39(17):176-181.
LI Zhi-xian,CHEN Gui-hui,ZHANG San-bing.Sorting Method of Chip Resistors Package Based on Machine Vision[J].Packaging Engineering,2018,39(17):176-181.
基于机器视觉的贴片电阻封装排序方法
Sorting Method of Chip Resistors Package Based on Machine Vision
投稿时间:2018-06-01  修订日期:2018-09-10
DOI:10.19554/j.cnki.1001-3563.2018.17.029
中文关键词: 机器视觉  贴片电阻  方向识别  模板匹配
英文关键词: machine vision  chip resistors  direction recognition  template matching
基金项目:四川省科技支撑项目(2016GZ0107);四川省教育厅重点项目(16ZA0065)
作者单位
李治贤 1.西南石油大学成都 610500 
谌贵辉 1.西南石油大学成都 610500 
张三炳 2.四川永星电子有限公司成都 610500 
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中文摘要:
      目的 研究基于机器视觉的贴片电阻封装排序方法,确保贴片电阻的封装效率,减少人力成本。方法 基于模板匹配设计一种贴片电阻的相对方向识别方法,并简单介绍检测系统的整体框架。识别方法主要分为3步,截取模板并进行模板匹配;记录匹配区域的匹配度及匹配区域的像素坐标信息;利用匹配度和坐标信息得出贴片电阻的相对方向。结果 文中验证了在不同光源下的识别率。当光源强度为18 V时,识别率最高,达到99.9%,处理时间约为130 ms。结论 基于机器视觉的贴片电阻封装排序方法能够满足工业生产的准确性和实时性要求。
英文摘要:
      The work aims to study the sorting method of chip resistors package based on machine vision to ensure packaging efficiency of chip resistors and reduce labor cost. A relative direction recognition method for the chip resistors was designed based on template matching. The overall framework of detection system was briefly introduced. The recognition method was mainly divided into three steps: template was intercepted and matched; matching degree and pixel coordinate information of the matching region were recorded; the relative direction was got based on the matching degree and coordinate information. The recognition rate under different light sources was verified herein. When the intensity of light source was 18 V, the recognition rate was the highest (99.9%) and the processing time was about 130 ms. The sorting method of chip resistors package based on machine vision can meet the requirements of industrial production for accuracy and real-time performance.
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