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基于OpenCV的多重干扰点二维码图像检测研究
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作者 范泽华 陈茂林 《河南科技》 2018年第22期21-22,共2页
在快捷支付的生活中, 手机扫描二维码图像时会因囊括其他非用户锁定的二维码而导致识别失败,用户需要重新扫描二维码才能解决该问题, 降低了二维码使用的便捷率.本文提出了一种改进的轮廓定位检测方法, 先将图像进行降噪处理和图像增强... 在快捷支付的生活中, 手机扫描二维码图像时会因囊括其他非用户锁定的二维码而导致识别失败,用户需要重新扫描二维码才能解决该问题, 降低了二维码使用的便捷率.本文提出了一种改进的轮廓定位检测方法, 先将图像进行降噪处理和图像增强处理, 然后再获取关键探测图形的位置, 最后通过旋转与ROI区域选定生成标准二维码图像.实验结果表明, 本方法可提高二维码图像的检测率. 展开更多
关键词 二维码 图像预处理 位置探测图形 轮廓定位检测
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Vehicle detection based on information fusion of vehicle symmetrical contour and license plate position 被引量:1
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作者 连捷 赵池航 +2 位作者 张百灵 何杰 党倩 《Journal of Southeast University(English Edition)》 EI CAS 2012年第2期240-244,共5页
An efficient vehicle detection approach is proposed for traffic surveillance images, which is based on information fusion of vehicle symmetrical contour and license plate position. The vertical symmetry axis of the ve... An efficient vehicle detection approach is proposed for traffic surveillance images, which is based on information fusion of vehicle symmetrical contour and license plate position. The vertical symmetry axis of the vehicle contour in an image is. first detected, and then the vertical and the horizontal symmetry axes of the license plate are detected using the symmetry axis of the vehicle contour as a reference. The vehicle location in an image is determined using license plate symmetry axes and the vertical and the horizontal projection maps of the vehicle edge image. A dataset consisting of 450 images (15 classes of vehicles) is used to test the proposed method. The experimental results indicate that compared with the vehicle contour-based, the license plate location-based, the vehicle texture-based and the Gabor feature-based methods, the proposed method is the best with a detection accuracy of 90.7% and an elapsed time of 125 ms. 展开更多
关键词 vehicle detection symmetrical contour license plate position information fusion
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