Bar Image Identification Based on Laplacian Eigenmap and Fuzzy SVM

Bar Image Identification Based on Laplacian Eigenmap and Fuzzy SVM

Xue Shao
Copyright: © 2023 |Pages: 13
DOI: 10.4018/IJeC.316874
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Abstract

Bar code image recognition is a key technology in modern logistics management. An efficient identification system is built based on manifold learning and fuzzy SVM. By integrating the fractal image segmentation technology, it realizes high automatic classification and identification of bar code image. At first, the authors conduct the preprocessing of the collected code image, including three steps, tilt correction, image binarization based on globally dynamic threshold, and fractal segmentation technology. Then, a graph-based fuzzy support vector machine is proposed to realize the high accuracy classification and identification. Experimental results indicate that the accuracy of the proposed method is higher than other compared methods in both pure and noisy samples, reaching 96.6% and 94.5%. And no huge decrease exists when some noise is added to the pure dataset, and the percentage is only 2.1%, which is much lower than the drop of other methods. It shows that the proposed method can significantly promote the identification accuracy, the generalization, and robustness to noise.
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1. Introduction

In recent years, with the rapid development of logistics and the rapid growth of logistics demand, the logistics industry is facing transformation and change on a global scale, Both the introduction of new technology, equipment and the improvement of intelligence level, have a profound impact on logistics practice. New logistics solutions are evolving to meet various needs (Islam et al. 2016, Tang et al. 2017, Xie et al. 2005, Huang et al. 2013, Han et al. 2017). Recently, soft computing and decision technology has evolved to analyze field data and generate intelligent algorithms that enables automated logistics systems to control the workflow, material flow and information flow of the global supply chain network based on IC tags, achieving intelligent logistics through the seamless integration of intelligent, decision technology and IT technology. Logistics systems have completely changed the way we manage factories, logistics, outsourcing and supply chain networks. Among them, information intelligent management technology in logistics has gradually increased its importance in China, the competition within the logistics industry is becoming increasingly fierce, each enterprise is required to build logistics distribution system with more efficient and lower cost, so as to increase enterprise benefit.

In the process of logistics, large amounts of data will be automatically transferred to bar code, and then automatic identification and classification of the bar code images on the goods can be realized, real-time information of goods transport can be obtained, which is very important to both the distribution of the cargo transport and the efficiency of logistics management. Due to its power and operability, bar code image recognition technology is the most widely used automatic recognition technology so far. The barcode image classification problem belongs to the scene character recognition problem in natural scene images. The main process of character recognition is divided into two parts, the detection and segmentation of the numbered area in the image must first be conducted. Next, the individual bar code image can be put into the character recognition system to complete the whole character recognition process. On the other hand, bar code images often appear uneven, contaminated and damaged; At the same time, since the influence of natural factors on the scene of image collection, such as the intensity of light, shooting Angle and so on, will lead to low quality of the collected image, the image must be preprocessed.

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