Feature points detection is the classical research topic in pattern recognition,which is also the basis of the second-generation watermarking scheme.
特征点提取是模式识别领域的经典研究课题。
参考来源 - 抗几何攻击的信息隐藏技术研究So it can improve the efficiency of the edge detection.2. Presented a feature points detection algorithm based on the ratio between the arc length and the chord length of the curve local.
2.提出了基于曲线局部弧长与弦长比的特征点检测算法。
参考来源 - 基于轮廓特征的二维碎片拼合技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The system integrates several process like sketch preprocessing, feature points detection, strokes fragment, primitives recognition, shape reconstruction, and primitives beautification.
具体包括草图前处理、特征点的检测、笔划分段、图元识别、图元重构、图元规整、端点校正等内容。
Additionally we offer a model with 2 switching points and a rapid programming feature which can be used, for example, for minimum and maximum detection in a container.
此外，我们提供了2个开关站和快速编程功能，可以使用的模式，例如，最低和最高的一个集装箱检测。
The detection and extraction of feature points are the basis technology in image registration.
二维特征点的检测和提取是进行图像配准的关键技术。
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