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J. Patt. Recogn. Artif. Intell."],"published-print":{"date-parts":[[2019,12,15]]},"abstract":"<jats:p> To prevent any negative electromagnetic influence of high-density integrated circuits, an insulation package needs to be specially designed to shield it. Aiming at the low efficiency and material waste in traditional packaging methods, a printed circuit board (PCB) selective packaging system based on a multi-pattern solder joint simultaneous segmentation algorithm and three-dimensional printing technology is introduced in this paper. Firstly, the structure of PCB selective packaging system is designed. Secondly, to solve the existing problems, such as multi-pattern solder joints which are located densely in small welding areas and are hard to be extracted in the small-area integrated circuit board, a multi-pattern solder joint simultaneous segmentation algorithm is developed based on (geometrical) neighborhood features to extract and locate the optimal PCB solder joint areas. Finally, tests using three actual PCB are carried out to compare the proposed method with traditional multi-threshold solder joint extraction methods. Test results indicate that the proposed algorithm is simple and effective. Diverse solder joints can be optimally located and simultaneously extracted from the collected PCB image, which greatly improves the filling rate of the solder joint areas and filters out false pixels. Thus, this method provides a reliable location-finding tool to help place solder points in PCB selective packaging systems. <\/jats:p>","DOI":"10.1142\/s0218001420580057","type":"journal-article","created":{"date-parts":[[2019,6,24]],"date-time":"2019-06-24T03:25:47Z","timestamp":1561346747000},"page":"2058005","source":"Crossref","is-referenced-by-count":8,"title":["A Novel Multi-Pattern Solder Joint Simultaneous Segmentation Algorithm for PCB Selective Packaging Systems"],"prefix":"10.1142","volume":"33","author":[{"given":"Lei","family":"Huang","sequence":"first","affiliation":[{"name":"Automation Department, School of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, P. R. China"},{"name":"Nanjing Institute of Intelligent High-End Equipment Industry Co. Ltd, Nanjing 210042, P. R. 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