First, nonlinear stack filter is applied to estimate the maximum and minimum of noise-free image's gray scale value in a local region.
首先非线性堆滤波器用于求出图象某象素点邻域内的灰度最大值与最小值的最优估计，然后以此两估计值之差代替原象素点灰度值。
The extracted objects with different ranges usually have different distribution of gray scale value, due to uneven distribution of light and various properties of the crack background of fingerprints.
由于光线分布不均匀或斑块噪音干扰等原因，往往使所要处理的指纹的灰度值分布缺乏均匀性。
First, we standardized the size, variance of gray scale and mean value of gray scale of the motor vehicle plate images.
首先，对机动车号牌图像进行大小、灰度方差、灰度均值的标准化处理。
Objective To evaluate the diagnostic value of gray scale contrast-enhanced ultrasonography (CEUS) in the diagnosis of active hemorrhage of the kidney.
目的探讨灰阶超声造影在诊断肾外伤活动性出血中的应用价值。
Objective To evaluate the diagnosis value of extracranial internal carotid artery stenosis using gray-scale Ultrasound and Doppler parameters.
目的：评价灰阶超声结合多普勒参数诊断颅外颈内动脉狭窄的价值。
The value of the measured and wedges comparison of standard values, adjust the gray-scale transform in the RIP.
测得的值与梯尺的尺度值比力，调动RIP洋的灰度变换弧线。
The image reconstruction algorithm based on RBF neural networks uses RBF networks to build the mapping relationship between the capacitance value and the image gray-scale value.
基于RBF神经网络的图像重建方法的实质就是用RBF神经网络建立电容测量值到图像灰度值的映射关系模型。
Objective To study the enhancement phases of focal liver lesions with dynamic gray scale sonography and evaluate its value in differential diagnosis of hepatic lesions.
目的：应用动态灰阶超声造影技术研究肝脏占位性病变造影增强的时相变化，评价其在肝肿瘤鉴别诊断中的价值。
Objective: to discuss the clinical value of real-time gray scale contrast enhanced ultrasound in diagnosis and differential diagnosis of small hepatocellular carcinoma (SHCC).
目的：探讨实时灰阶超声造影在小肝癌诊断与鉴别诊断中的临床应用价值。
Objective To evaluate the value of contrast-enhanced gray-scale sonography in the diagnosis of renal pelvic carcinoma.
目的探讨灰阶超声造影在肾盂癌诊断中的价值。
Meanwhile, the introduction of gray-scale value diffusion system equips this algorithm with powerful function of diffusion and disturbance.
同时灰度值扩散机制的引入使得该算法具有良好的扩散性和扰乱性。
An approach for color image gray processing based on threshold of gray scale statistic mean value and global standard deviation of each color component is presented.
给出了一种基于图像各彩色分量灰度统计特征期望值和全局标准差作为阈值的彩色图像灰度化方法。
For the satellite images, the cloud regions were analyzed and segmented by an improved algorithm based on the color value and gray scale.
针对于彩色卫星云图，改进了一种基于图像色彩和灰度值的算法，能够较好地分割提取出云层区域。
For the satellite images, the cloud regions were analyzed and segmented by an improved algorithm based on the color value and gray scale.
针对于彩色卫星云图，改进了一种基于图像色彩和灰度值的算法，能够较好地分割提取出云层区域。
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