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Decoding Dot Peen Data Matrix Code with Deep Learning Capability for Product Traceability

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Název: Decoding Dot Peen Data Matrix Code with Deep Learning Capability for Product Traceability
Autoři: Loh, Siu Hong, Teh, Peh Chiong, Sim, Jia Jia, Tai, Chian Kwang, Yeap, Kim Ho, Lee, Yu Jen, Mazlan, Ahmad Uzair
Zdroj: Applications of Modelling and Simulation; Vol 7 (2023); 38-48 ; 2600-8084
Informace o vydavateli: ARQII Publication
Rok vydání: 2023
Témata: Data matrix code, Deep learning, Direct part marking, Dot peen marking
Popis: An approach for recognizing and decoding the industrial-based dot peen data matrix code is presented in this paper. Dot peen marking is a type of direct part marking (DPM). Due to the reduced contrast characteristic, it could be difficult to read a DPM code. Additionally, the readability of a DPM code may deteriorate over time due to partial degradation on the product surface. A deep-learning-based method using You-Only-Look-Once (YOLO) v5 model is proposed. Firstly, a large dataset of dot peen data matrix symbols was prepared to initiate the YOLOv5 model training. Image data augmentation was then applied to the training images to increase the size of the training dataset. The YOLOv5 model training was processed with a batch size of 16 and the epochs number of 60 due to its high accuracy (97.79%). All dot peen data matrix codes were detected accurately within one second, fulfilling our intention to design a high-speed reader for industrial-based dot peen data matrix. With ANOVA analysis, we observed that the brightness level and the camera distance significantly affect the decoding process. Additionally, our developed model can successfully decode a partially damage code if the level of damage is below 30%.
Druh dokumentu: article in journal/newspaper
Popis souboru: application/pdf
Jazyk: English
Relation: http://arqiipubl.com/ojs/index.php/AMS_Journal/article/view/385/149; http://arqiipubl.com/ojs/index.php/AMS_Journal/article/view/385
Dostupnost: http://arqiipubl.com/ojs/index.php/AMS_Journal/article/view/385
Rights: Copyright (c) 2023 Siu Hong Loh, Peh Chiong Teh, Jia Jia Sim, Chian Kwang Tai, Kim Ho Yeap, Yu Jen Lee, Ahmad Uzair Mazlan ; http://creativecommons.org/licenses/by/4.0
Přístupové číslo: edsbas.692F3B46
Databáze: BASE
Popis
Abstrakt:An approach for recognizing and decoding the industrial-based dot peen data matrix code is presented in this paper. Dot peen marking is a type of direct part marking (DPM). Due to the reduced contrast characteristic, it could be difficult to read a DPM code. Additionally, the readability of a DPM code may deteriorate over time due to partial degradation on the product surface. A deep-learning-based method using You-Only-Look-Once (YOLO) v5 model is proposed. Firstly, a large dataset of dot peen data matrix symbols was prepared to initiate the YOLOv5 model training. Image data augmentation was then applied to the training images to increase the size of the training dataset. The YOLOv5 model training was processed with a batch size of 16 and the epochs number of 60 due to its high accuracy (97.79%). All dot peen data matrix codes were detected accurately within one second, fulfilling our intention to design a high-speed reader for industrial-based dot peen data matrix. With ANOVA analysis, we observed that the brightness level and the camera distance significantly affect the decoding process. Additionally, our developed model can successfully decode a partially damage code if the level of damage is below 30%.