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In this paper, we propose an effective and convenient circle detection method based on Hough Transform.

在本文中，我们提出一个有效和方便的循环检测方法基于Hough变换。

In this **, we propose an effective and convenient circle detection method based on Hough Transform.

在本文中，我们提出一个有效和方便的循环检测方法基于Hough变换。

The circle detection method based on Hough Transform has been used more and more widely in recent year since it possesses the high reliability and the strong anti-noise ability.

圆检测方法基于Hough变换已使用了更多的和更广泛地在最近一年以来，它具有高可靠性和强大的抗噪能力。

It is obviously that a planar point set has innumerable circumscribled circles. To get a minimum circumscribled circle, a mathematical model is built to transform the problem of getting a minimum circumscribled circle to the problem of optimizing function and to solve the function optimization with genetic algorithm.

为求得最小的包容圆，建立了求平面点列包容圆的数学模型，将求最小包容圆问题转化为函数优化问题，并用遗传算法解决了这个函数最优解的求解问题。

This artic le researches a fast algorithm which extends the system matrix of JD into b lock circulant ma-trix,then uses block Fourier transform and block circulant matrix to perform matrix inversion and operation s.

提出一种快速算法，将联合检测的系统矩阵扩展成块循环矩阵，利用块FFT和块循环矩阵进行快速矩阵求逆和简化矩阵运算。

And the matching point pairs are obtained by comparing the Euclidean distance of the Zernike moments,which are computed around a circular neighborhood centered at the feature point.Then the transform parameters are computed through the correct mapping model.Finally,the weighed average method is used to achieve image mosaic.

该算法利用曲率尺度空间角点检测法提取特征点，通过比较各特征点圆形邻域Zernike矩的欧式距离得到匹配点对，然后利用正确的映射模型计算出变换参数，最后采用加权平均法得到图像的拼接结果。

And then the point spread function can be acquired through Abel reverse transform, according to the circular symmetry characteristic of the defocused image.

由于离焦造成的图像模糊是圆对称的，对线扩散函数进行阿贝尔逆变换就得到了点扩散函数。

The cross-wavelet transform method is adopted to study the multi-time scale correlations between the winter temperature, the summer precipitation in Northwest China and the Arctic Oscillation Index over the same period, in order to investigate the relationships between climate change in Northwest China, the AOI, and the Eurasian zonal circulation index in recent 56 years.

运用交叉小波方法分析了近56 a来我国西北地区气候变化与北极涛动指数、欧亚纬向环流指数之间的联系，讨论了西北地区冬季气温和夏季降水变化与同期AOI之间的多时间尺度相关。

But if must the greatest degree circumvention risk, awaits calmly the tendency to transform well.

但如果要最大程度的规避风险，还是静待趋势转变为好。

Buffets tend to transform clearheaded adults into greedy children insisting, i want that.

小卖部这种地方通常会把一个头脑清楚的成年人变成一个任性贪吃的孩子，我要吃那个！

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。