| Summary: | 碩士 === 元智大學 === 工業工程研究所 === 87 === In electronic aspects, IC chips assembling errors make a lot of troubles. The topic of this project is to identify the IC coeds by using Grey Relational Analysis and reconstruct the broken word with Grey prediction model, GM(1,1). The Grey Theorem may find the Grey Relational Grades of all factors we want by choosing the highest Grey Relational Grade even under an message uncompleted circumstances.
In IC codes identification procedure, we would rotate an image first anb segment it. Secondly, we use thresholding and thinning method to reduce calculating process and get the message feature from the segment message. After that, we use Grey Relational Analysis method to identify the IC codes. This recognition rate is up to 97.5%. Rather than the traditional method, there are three advantages of Grey Relational Analysis：1. No large data. 2. No specific statistical distribution. 3. No influence from various factors. It is quite easy and practical method in the field of IC codes identification.
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