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9 January 2008 A location method for vehicle license plate based on color image and black-white texture
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Proceedings Volume 6794, ICMIT 2007: Mechatronics, MEMS, and Smart Materials; 67944G (2008) https://doi.org/10.1117/12.784052
Event: ICMIT 2007: Mechatronics, MEMS, and Smart Materials, 2007, Gifu, Japan
Abstract
This paper presents an effective location algorithm employing color features and black-white texture analysis of the image to extract a vehicle license plate from a complicated background image. According to the background color of the license plate in RGB spaces, we transform the RGB image into a grayscale image as strengthening the color of the license plate, and partition the intensity image to obtain a binary image which can outstand the license plate part. We leach away the color which is similar to the license plate by analyzing the texture characteristic. The test shows that this location method can hardly be influenced by all of the factors including illumination, license plate position, license plate size, license plate angle, car position, image background and so on. Meanwhile, it can gain a high speed, better effects and a wide application area.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gang Li, Chang Liu, Mingquan He, and Xiyue Huang "A location method for vehicle license plate based on color image and black-white texture", Proc. SPIE 6794, ICMIT 2007: Mechatronics, MEMS, and Smart Materials, 67944G (9 January 2008); https://doi.org/10.1117/12.784052
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