gray value
灰度值：在图像处理中
常用释义
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基本释义
- 灰度值：在图像处理中，表示像素亮度或灰度级别的数值。灰度值通常在0到255之间，0表示黑色，255表示白色。
例句
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1·The gray value of signal point is unchanged.对信号点不加处理，灰度值不变。
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2·Symbiotic Matrix and feature extraction in the application for two or gray value image feature extraction.共生矩阵及其在特征提取中的应用，用于灰度或二值图象的特征提取中。
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3·It has a law of random distribution, and significantly higher than that of its surrounding pixel gray value.它具有随机分布的规律，并且明显高于其周围像素点的灰度值。
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4·However, at present image used in the laser carving is processed by the method of calculating its gray value.但目前对于用于雕刻的图像多采用传统的处理方式，即对图像的灰度值进行计算。
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5·This function can use a variety of different parameters (to define a gray value, or a Red-Green-Blue [RGB] color).此函数可以使用各种不同的参数(来定义一个灰度值或Red - Green - Blue [rgb]颜色)。
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6·The smaller the gray value, the higher the staining degree was, and the more the immune deposition of VCAM 1 was.利用计算机图像分析仪进行灰度扫描，灰度值越小，染色程度越高，即血管细胞黏附因子1的免疫沉积越多。
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7·Only considering the gray value of objects is not sufficient to extract the thematic information-objects boundary.仅仅考虑灰度差异并不能满足专题信息地物边缘提取的需要。
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8·The edge position, visible area and the mean of gray value of flame also be discussed by analyzing the flame images.分析火焰数字图像，讨论了火焰锋面位置、火焰面积、平均灰度的计算方法。
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9·The latter carries on the processing of the gray value of each pixel directly at the two-dimensional space to which the image belongs.后者是直接在图像所在的二维空间进行处理，即直接对每一象素的灰度值进行处理。
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10·For less than the threshold gray value directly set pixel gray value of 0 gray value greater than the threshold value is set to 255 pixels directly.对于灰度值小于阈值的象素直接设置灰度值为0；灰度值大于阈值的象素直接设置为255。
同义词