Chain code tracing is applied to the segmented image and edge detected image to extract the most possible curve.
在道路边界的提取中，结合阈值分割后的图像和边缘检测后的图像，用链码跟踪方法提取最可能的道路边界曲线。
参考来源 - 视觉导航中基于图像的路边识别算法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper presents an iterative chain code tracing method with parallel hierarchy for line segment detection.
提出了一种分层并行迭代式链码跟踪直线提取方法。
For binary image, chain-code tracing is used, and some sequent processing is applied to above tracing based on some prior knowledge so as to get the points of road boundary.
对二值图像运用改进的链码跟踪方法，再对链码跟踪结果运用先验知识进行处理，最后得到道路边缘点。
Firstly, using the contour tracing algorithm to trace the manipulated contour BMP, it has attained the contour point chain recorded by chain Code.
首先，运用轮廓追踪算法追踪经过图象处理后的轮廓位图，形成链符法记录的轮廓点列数据。
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