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张正友基于极线约束的点匹配方法源码，包含角点检测，零交叉匹配等重量级算法，初学者必备-Zhang Zheng-you-point based on the epipolar constraint matching method source code, including corner detection, zero-crossing matching heavyweight algorithm, essential for beginners
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基于零交叉方法的图像边缘提取：主要利用卷积和阈值-Based on zero-crossing edge detection method
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LoG 算子作为一种零交叉检测器对局部灰度变化敏感 不易受非均匀光场的干扰 可检测
出能较准确反映局部灰度变化的二阶过零点 利用对 LoG 算子检出的零交叉点的插值可求出动
态阈值曲面 并对图像进行二值化 能有效克服非均匀光场对图像分割结果所带来的影响-LoG operator as a zero-crossing detector is sensitive to the local gray are less prone to interference from non-uniform
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关于MATLAB中的语音信号检测程序，基于短时能量和过零率的-The voice on the MATLAB signal detection procedures, based on short-term energy and zero-crossing rate
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边缘检测
Sobel,LoG,Canny和零交叉检测器的比较-Edge detection Sobel, LoG, Canny and zero-crossing detector comparison
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语音端点检测实验程序，利用短时能量和过零率检测，具有较高的识别率-Speech Endpoint Detection experimental procedures, the use of short-term energy and zero-crossing rate of detection, has a higher recognition rate
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图像边缘检测,比较几个算子的差异，caany算子是最普适的-This article presents a noisy image edge detection method based on zero crossing.
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产生LOG算子，过零点检测，一个函数最大值大于零，最小值小于零，那么函数中间一定有为零的点-Generating LOG operator, zero-crossing detection, a function of the maximum value is greater than zero, the minimum value is less than zero, then there must be a function of the middle point of zero
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语音信号端点检测仿真,内容涉及短时能量及过零率的计算-Speech signal endpoint detection simulation, the content involves the short-time energy and zero crossing rate calculation
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语音信号端点检测仿真,内容涉及短时能量及过零率的计算(Speech signal endpoint detection simulation, the content involves the short-time energy and zero crossing rate calculation)
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This implements laplacian edge detection which involves convolution, zero crossing detection and Thresholding
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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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