灰度

利用灰度切片的非对称非线性映射处理颅脑MR图像

The Processing Brain MRI by means of asymmetrical and nonlinear mapping of Grayscale Slices

通过对超声C扫描图形的分析，对不同灰度区域进行分类。

Through the analysis of the supersonic C scan images , gray scale of the image is classified .

提出了一种对彩色图像进行有选择灰度化的方法，并采用Matlab实现了该算法。

A method that can gray images selectively is proposed and realized with Matlab .

FED平板显示器灰度调制电路的设计

The design of a gray-shade modulation circuit for FED

DSP在图像灰度校正中的应用

Application of DSP in Image Gray Scale Correction

将图像空间信息引入传统的基于灰度的模糊C均值聚类算法中，对传统的模糊C均值聚类算法的目标函数进行修正。

We modified the traditional FCM algorithm by introducing spatial information in the optimization function , and proved its convergence .

G（max）为检测仪器的最大灰度。

G_ ( max ): the maximum gray level of the instrument .

图像灰度熵特征与SVM分类结合的人脸检测

Face detection with image gray entropy features and SVM classifier

最后，将两幅差异图像和灰度融合图像分别送至R、G、B颜色通道进行显示。

At last , these two images including differences and the gray-level fusion image are sent to R , G , B color channels respectively .

针对LED芯片的特征，提出一种综合利用边界特征和灰度信息的模板匹配方法实现芯片的识别。

According to the characters of LED chip , We present a template matching method using both boundary characteristic and gray information to recognise chips .

MAG焊熔池图像的灰度形态学分析

Gray scale morphological analysis on molten pool image of metal active-gas welding

首先，针对FED显示器现存的亮度不均匀、灰度失真等质量缺陷和FED驱动系统功耗较高的问题进行了分析讨论和归纳总结；

Firstly , analyzed the present problems of FED display quality such as luminance non-uniformity , grayscale loss and high power consumption on FED driving system .

然而，人们常常忽略了灰度图中包含的信息在FTP测量中的作用。

However , people often ignore the functions of information included in gray image in Fourier transform profilometry .

从LED发光机理出发，结合人眼视觉特性，对双基色室内显示屏的灰度显示原理作了深入研究和分析。

A great of study has spent on the gray-grade display principles of the bi-color LED display based on the irradiance mechanism of LED with the property of visual acuity .

用DMD灰度曝光法产生连续面形微结构

DMD-based Gray-tone Lithography for Fabrication of Continuous Profile Microstructure

石笋ML（s）灰度和碳同位素序列很好地对应了石笋年纹层季节韵律。

The grey level and carbon isotope series of the stalagmite ML ( s ) commendably corresponds to the seasonal rhythm of the stalagmite annual layers .

使用基于图像处理的测量方法，采用CCD作为成像器件，获取虚边缘附近的灰度图像。

A new measuring method based on image processing is proposed . We used CCD as the imaging device to obtain the gray level image of the virtual edge .

在本文中，一种基于3维提升可分离小波（3-DSWT）的灰度图像水印方案被提出。

In this paper , a gray-level image watermarking scheme based on 3-D separable wavelet transform ( SWT ) with lifting scheme is presented .

针对城区环境SAR图像纹理特征丰富稳定的特点，本文提出了使用纹理特征代替灰度信息进行变化检测的纹理差值方法；

Due to the abundant and steady textural features on urban environment in SAR images , a texture differencing method that substitute textural features for gray information is presented in this paper .

同工酶分析表明，ABA影响SOD活性，在处理12小时后酶谱带灰度低于对照。

Isoenzyme analysis showed that ABA inhibited SOD activity after spraying ABA ( in 12h ), the gray level of SOD spectrum band was lower than that of the control .

但对于低分辨率的指纹图像，由于前景与背景的灰度差别很大，采用通常的空域Gabor增强后仍然有误增强和增强不充分的情况。

Because there is some noise in the low resolution fingerprint image , Gabor filters usually either remove the noise incompletely or enhance the image by mistake .

在体外进行AS及神经元培养，并与不同浓度IL-8分别作用4、24及72h，用MTT法和免疫组化法测定神经元存活力及AS表达GFAP的平均灰度值并计数阳性细胞数量。

After treating cultured cells with IL-8 , the previous method and MTT method was used respectively to observe GFAP expression in astrocytes or neuronal viability .

最后，采用该模型在MATLAB软件平台上构建了柑桔图像的灰度校正算法。试验结果表明，该灰度校正模型和校正算法是有效、可靠的。

Based on these models , the gray level correction algorithm of citrus image was set up using MATLAB software , and the experimental results proved that the gray level correction model and algorithm were valid and reliable .

用灰度选优法采集Isodyne条纹图像

The Method of Grey Level Optimizing for Isodyne Image Acquisition

最后，在特征选择的基础上，先采用灰度比、似圆度和付里叶描述子作为BP人工神经网络的输入，进行良、恶性肿瘤的识别。

Finally , based on the result of the feature select , gray ratio , Fourier descriptor and circularity were input to a three-layer Back Propagation ( BP ) artificial neural network to distinguish the benign and malignant cases .

对于非边界点采用一种新的Cubic卷积插值方法确定其灰度值。

At the same time , to the pixels not on the boundary of the interpolated image , the grey value was obtained by a novel Cubic convolution interpolation which was developed in this paper .

模糊C均值（FCM）聚类算法广泛用于图像的自动分割，但是该算法没有考虑像素的灰度和空间特征，对噪声十分敏感。

Fuzzy c-means ( FCM ) clustering algorithm has been widely used in automated image segmentation . However , the conventional FCM algorithm is sensitive to noise because of taking no into account the gray and spatial information .

在染色体图像识别算法研究中，使用平均灰度曲线用来表示G带特征，提出染色体指纹图谱的概念，选用夹角余弦算法来计算两条染色体平均灰度曲线的相似度，进行同源染色体的匹配。

In the study of chromosome recognition algorithm , we use average gray distribution profile to denote G-band , bring forward a concept of chromosome fingerprint , select cosine of angle method to calculate the similarity , and match the homologous choromosomes .

系统利用视频检测线上的RGB灰度变化识别车辆，从而完成对车辆流量的检测。

In this paper , we propose a new scheme for vehicle flow measuring which recognizes the vehicle by the RGB gray scale variation on the video measuring lines .

该方法根据灰度图水印信号序列，结合宿主图像DCT（DiscreteCosineTransformation）系数相关性自适应地嵌入水印信号，提取水印时不需要原始宿主图像，可以批量处理，适用在Internet上检测侵权数字作品。

It inserted adaptively a gray image for watermark to a color image according to block correlation of DCT coefficients , and extracted watermark without the original image . It can be used to detect the piratical digital works on internet .