首页> 外文会议>International Conference on Imaging Science,Systems,and Technology CISST'99 Une 28-July 1, 1999 Las Vegas, Nevada, USA >Distortion rectification and discrimination of signboards in a scene image for robot navigation
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Distortion rectification and discrimination of signboards in a scene image for robot navigation

机译:用于机器人导航的场景图像中的招牌的失真校正和识别

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摘要

In this paper, we describe an approach for finding signboard informaiton in a grey scene image and rectifying distorted sgnboard images taken from a non-orthogonal viewing direction. First, signboards in scene images are detected by using several heuristics of characters and character lines. Then, we try to compute the relative orientation of the camera and a detected signboard from a single view. Finally, we rectify distorted signboard images, and this makes the recognition of characters under a wider range of viewing condition much easier. Experimental results indicate the effectiveness of the proposed approach.
机译:在本文中,我们描述了一种在灰色场景图像中查找招牌信息并校正从非正交观察方向拍摄的扭曲的sgnboard图像的方法。首先,通过使用字符和字符线的几种启发式检测场景图像中的招牌。然后,我们尝试从单个视图计算摄像机和检测到的招牌的相对方向。最后,我们纠正了变形的招牌图像,这使得在更宽的观看条件下识别字符变得更加容易。实验结果表明了该方法的有效性。

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