Image feature detection is the basis of the techniques and applications of image processing. However, the use of phase information for image feature detection is a new research focus.
图像特征检测是图像处理技术与应用的基础，而利用相位信息进行图像特征检测是新的研究方向。
Since characters and map symbols often overlap with useful image features, the algorithm of principal curve detection aims to obtain "clean" feature images from the original maps.
由于测绘图中的文字、符号常常与有意义的图像特征重叠，主曲线检测旨在从原始测绘图中获得“洁净”的特征图像。
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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