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Applying the radial section scanning method based on gray centroid, the image edges are tested with a sub-pixel precision.
采用基于灰度质心法的径向截面扫描法对图像边缘进行亚像素级检测；
Today, both companies are using sub-pixel rendering to coax sharper-looking fonts out of typical low resolution screens.
目前，这两家公司都使用次像素渲染(subpixel rendering)技术，使得字体在低分辨率的屏幕上，也能显得很清晰。
Two simple and efficient algorithms of sub-pixel corner detection for camera calibration dy using plane pattern were presented.
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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