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it is a image processing project which can find special and certain object with certain shapes in the images. it obtain the P and S for each object and compare P/S ratio to template image and object.
Sobel use for P and finding edges and Labeling a
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可以实现一幅图像中彩色边缘的提取，实在matlab的条件下，有多种算子-Can achieve a color image edge extraction, it is matlab conditions, a variety of operator
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For this project, the shadow removal method used by Finlayson et al. in [1] was implemented.
This report contains an overview of the mathematical background and a detailed
discussion on the experiments performed with the implementation.
This me
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Extract the edges information
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diffrent kind of Laplacian filter on image for finding Edges.
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边缘检测算子
图像边缘信息主要集中在高频段，通常说图像锐化或检测边缘，实质就是高频滤波。我们知道微分运算是求信号的变化率，具有加强高频分量的作用。在空域运算中来说，对图像的锐化就是计算微分。由于数字图像的离散信号，微分运算就变成计算差分或梯度。图像处理中有多种边缘检测（梯度）算子，常用的包括普通一阶差分，Robert算子（交叉差分），Sobel算子等等，是基于寻找梯度强度。拉普拉斯算子（二阶差分）是基于过零点检测。通过计算梯度，设置阀值，得到边缘图像。(The image edge infor
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