In the sorting system of the production line,the object movement,fixed angle of view,light intensity and other reasons lead to obscure blurred images.It results in bar code recognition rate being low and real time bei...In the sorting system of the production line,the object movement,fixed angle of view,light intensity and other reasons lead to obscure blurred images.It results in bar code recognition rate being low and real time being poor.Aiming at the above problems,a progressive bar code compressed recognition algorithm is proposed.First,assuming that the source image is not tilted,use the direct recognition method to quickly identify the compressed source image.Failure indicates that the compression ratio is improper or the image is skewed.Then,the source image is enhanced to identify the source image directly.Finally,the inclination of the compressed image is detected by the barcode region recognition method and the source image is corrected to locate the barcode information in the barcode region recognition image.The results of multitype image experiments show that the proposed method is improved by 5+times computational efficiency compared with the former methods,and can recognize fuzzy images better.展开更多
传统的镁熔液第一气泡检测结果存在较大滞后性,且以Matlab为代表的检测工具又受限于工程应用,本文提出一种基于DSP检测弱小目标的新思路,构建了一个以DM642为主处理器的嵌入式图像处理系统平台,并利用C语言在DSP集成开发软件Code Compos...传统的镁熔液第一气泡检测结果存在较大滞后性,且以Matlab为代表的检测工具又受限于工程应用,本文提出一种基于DSP检测弱小目标的新思路,构建了一个以DM642为主处理器的嵌入式图像处理系统平台,并利用C语言在DSP集成开发软件Code Composer Studio 3.3上进行算法编程,实现了镁熔液第一气泡的检测。实验结果验证了镁熔液第一气泡检测方法在实际应用中的可行性。展开更多
基金This work was supported by Scientific Research Starting Project of SWPU[Zheng,D.,No.0202002131604]Major Science and Technology Project of Sichuan Province[Zheng,D.,No.8ZDZX0143]+1 种基金Ministry of Education Collaborative Education Project of China[Zheng,D.,No.952]Fundamental Research Project[Zheng,D.,Nos.549,550].
文摘In the sorting system of the production line,the object movement,fixed angle of view,light intensity and other reasons lead to obscure blurred images.It results in bar code recognition rate being low and real time being poor.Aiming at the above problems,a progressive bar code compressed recognition algorithm is proposed.First,assuming that the source image is not tilted,use the direct recognition method to quickly identify the compressed source image.Failure indicates that the compression ratio is improper or the image is skewed.Then,the source image is enhanced to identify the source image directly.Finally,the inclination of the compressed image is detected by the barcode region recognition method and the source image is corrected to locate the barcode information in the barcode region recognition image.The results of multitype image experiments show that the proposed method is improved by 5+times computational efficiency compared with the former methods,and can recognize fuzzy images better.
文摘传统的镁熔液第一气泡检测结果存在较大滞后性,且以Matlab为代表的检测工具又受限于工程应用,本文提出一种基于DSP检测弱小目标的新思路,构建了一个以DM642为主处理器的嵌入式图像处理系统平台,并利用C语言在DSP集成开发软件Code Composer Studio 3.3上进行算法编程,实现了镁熔液第一气泡的检测。实验结果验证了镁熔液第一气泡检测方法在实际应用中的可行性。
