英德
有道
百度
谷歌
图片
维基
百科
仿凸 [fǎng tū]
convexoid
- 摘要提出了一种新的基于凸壳和仿射不变量的图像识别和配准的方法。
An improved image recognition and registration algorithm based on convex hull and affine invariant was presented. - 该方法利用从参考图和测试图中得到的特征点提取其凸壳，并计算凸壳的仿射不变特征向量。
The convex hulls were extracted from the feature points of the reference and test images, and then the affine invariants were calculated. - 借助定义一个新的中心仿射不变量W(P)把已有结论中的研究对象从中心对称凸多胞形，推广到一般中心对称凸体，并求得推广后的极值。
Using a new definition W(P), one can get the result of an origin-symmetric convex body as that of an origin-symmetric polytope, which is already known, and get the extreme value of the ratio.
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