Experiment results indicate this algorithm can extract Center of Structured Light Stripe accurately, it is of strong anti-noise capability and its accuracy is at sub-pixel level.

实验结果表明，该算法能够准确地提取出光条中心，具有很强的抗噪声能力，精度为亚像素级。

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The pixel level corners were detected by classical Harris corner detector, and then some methods were used to get sub-pixel accuracy.

针对摄像机标定模板图像的角点检测问题，提出了两种简便而有效的亚像素级精度的提取算法。

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The image need not pretreatment and the accuracy of registration can reach as high a level as sub-pixel if you registrate image by mutual information method.

互信息的使用使得待配准图像不需要进行预处理，并且配准的精度可以达到亚像素级。

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