Geometric shape description is one of the main research topics in computer graphics, computer vision and pattern recognition.
形状描述是计算机图形学、计算机视觉和模式识别等领域的一个重要研究方向。
In the thesis we deal with the important branch of pattern recognition - the description and recognition of 2d shape.
本文研究了识别中的一个重要分支——二维形状表示和识别。
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