首页> 外文期刊>International Journal of Innovative Computing Information and Control >PIXEL FILTERING AND REALLOCATION WITH HISTOGRAMS OF SECOND-ORDER DERIVATIVES OF PIXEL VALUES FOR ELECTRON MICROSCOPE IMAGES
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PIXEL FILTERING AND REALLOCATION WITH HISTOGRAMS OF SECOND-ORDER DERIVATIVES OF PIXEL VALUES FOR ELECTRON MICROSCOPE IMAGES

机译:电子显微图像像素值二阶导数的直方图直方图的像素滤波和重新实现

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摘要

The proposed method uses second-order derivatives to derive more information from the gray values of the pixels in a scanning electron microscope image. It represents this information as a histogram of second-order values, which expresses the variation in pixel values caused by image details and noise. The method uses the histogram as the basis for the targeting of pixels for filtering and reallocation to restore the image. The method controls the number of target pixels to minimize blurring of edges by imposing a Laplace curve on the histogram and using it together with other equations to select pixels based on the differences between their second-order derivatives and those of their neighbours.
机译:所提出的方法使用二阶导数从扫描电子显微镜图像中像素的灰度值中获取更多信息。它将此信息表示为二阶值的直方图,该直方图表示由图像细节和噪点引起的像素值的变化。该方法使用直方图作为像素目标的基础,以进行滤波和重新分配以恢复图像。该方法通过在直方图上施加拉普拉斯曲线并将其与其他方程式一起使用以根据像素的二阶导数和其邻域的差来选择像素,从而控制目标像素的数量,以最大程度地减少边缘模糊。

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