Development of Auto-Alignment Software on Exposure Machine with Image Processing

• Main Authors: Ting-Yuan Chiang, 江定原
• Other Authors: Kuo-Yi Huang
• Format: Others
• Language: zh-TW
• Published: 2016
• Online Access: http://ndltd.ncl.edu.tw/handle/02738150488330760031

碩士 === 國立中興大學 === 生物產業機電工程學系所 === 104 === In the study, auto-alignment software for the circle and ring alignment key was developed with image processing. Some common methods can’t inspect target because the background is complex in image. Thus, gray match, shape match, and integrated method were established to search three targets – A, B, and C types of images. The results show that gray match method has the fastest computation time (31.75 ms), but this method is unstable (accuracies are between 0 and 100%). The accuracies are 100%, 100% and 34% for three types using shape match method respectively. The average computation time of shape match method is 32.75 ms. The integrated method is stable, the accuracies are 100%, 100% and 88.3% for three types although the computation time is 62.25 ms. Therefore, the developed software can search three targets effectively.