gray threshold的例句大全

a method is presented to calculate automatically the best gray threshold, which is suitable for images under different scanning resolutions.

提出一种灰度阈值自动计算方法，适合于自动计算不同扫描分辨率下的图像的最佳灰度阈值。

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location method of vehicle-license-plate images based on gray threshold and gradient

基于灰度阈值和梯度差的车牌定位技术

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in the algorithm, gray threshold segmentation, dilation and erosion, and edge detection using cnn are performed successively.

采用细胞神经网的灰度阈值分割，膨胀腐蚀，边缘检测等操作。

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In this paper, the method for the optimal gray threshold is given, which is based on the maximum class separation distance criterion of pattern recognitive decision theory.

利用基于模式识别决策理论的最大类间距准则，给出了求解最佳分割灰度门限的方法。

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Thus it avoids the possibility of noise gray absolutization and the complex process of selecting threshold.

从而避免了将噪声灰度绝对化的可能及需要多次实验获取阈值的复杂过程。

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By the method of binary wavelet transform, character edge point can be attained in the best scale. Binary threshold can be selected by character edge point gray value.

通过对图像进行二进小波变换，在最佳尺度上寻找出图像字符的边缘点，再根据边缘点处的灰度值来确定出二值化的阈值。

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System by the electron gun system of points of light signals in RGB color space sampling and analysis, application of color image segmentation to identify the threshold target spot image and using center of gravity method gray-scale image of the photoelectric target identification and location.

系统通过对电子枪光点信号的RGB颜色空间的采样分析，应用彩色图像的阈值分割识别光点目标图像，并用灰度重心法对光电目标图像进行识别定位。

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Analyzes the histogram of cast iron gray image, using some segmentation methods to segment the cast iron microstructure image, such as threshold method, FCM method, Genetic method and Mathematic morphology method.

对铸铁灰度图像直方图进行分析，利用常用的分割算法：阈值化法、FCM聚类法、遗传算法和数学形态学算法对铸铁金相图像进行分割，分析了分割效果和算法的性能。

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The curvature curve of the smoothed ROI histogram will be obtained and the gray scale corresponding to peak of the curvature curve will be used as initial segmentation threshold.

对平滑后的感兴趣区域的直方图求解其曲率曲线，用曲率曲线的波峰所对应的灰度值作为初始分割阈值；

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It only needs to compute standard deviation of gray within sampled pixel area for extracting feature points with our approach. It can be avoided that the limitation to determine threshold value by tentative method according to some prior information on processing image.

该方法提取特征点，仅需对抽样象素区域进行灰度标准差分析，避免了提取图像特征点，根据被处理图像的一些先验信息，利用试探方法确定阈值的局限性。

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Then the gray image is converted to a binary image by threshold detection.

然后通过门限检测把灰度图像变为二值图像；

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In these experiments, thresholds could be automatically gotten in terms of the adaptive threshold model, when the average gray values of images were between 110 and 230, the feature extracting accuracy has been 95%.

实验中图像平均灰度值在110～230情况下，提取特征信息的准确率达到了95%。

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