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| Design and Implementation of Web Inspection System Based on FPGA and CCD Camera |
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| DOI：10.11981/j.issn.1000-6842.2016.01.57 |
| Key Words:FPGA； web inspection； Sobel edge detection； Open CV； fractal box dimension |
| Fund Project:陕西省重点科技创新团队计划项目(2014KCT-15)。 |
| Author Name | Affiliation | | 汤 伟1 | 1.陕西科技大学电气与信息工程学院,陕西西安,710021 | | 王先通1，* | 1.陕西科技大学电气与信息工程学院,陕西西安,710021 | | 王 锋2 | 2.浙江力诺流体控制科技股份有限公司,浙江瑞安,325200 | | 王孟效3 | 3.陕西西微测控工程有限公司,陕西咸阳,712081 | | 邱锦强1 | 1.陕西科技大学电气与信息工程学院,陕西西安,710021 |
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| Abstract: |
| Web inspection of high speed paper machine requires processing a large amount of image data and real-time reacting. Based on the technology of FPGA (Field Programmable Gate Array) and CCD (Charge-coupled Device) linear array camera, this paper introduced a high speed web inspection system. Taking advantage of parallelism and high speed calculating capability of FPGA, it was easy to control linear array CCD achieving high-speed image acquisition, pre-processing paper defects image and extracting the images and upload to the host computer. Then the method of gray threshold segmentation and two value image fractal box dimension were used to identify the type of paper defects. Experimental results showed that this design was able to effectively improve the detection speed and reduce the cost． |
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