查询词典 histogram

In the image preprocessing phase the present image enhancement technology is studied and then improve the median point filter algorithm based on the characteristic of the gray-level histogram of the image form the spot and the geometrical traits of the bracket itself which denoise the random pulse noise in the precondition of protecting the edge information.

在预处理阶段在对现有的图像增强技术进行了分析研究之后，根据支架抛光现场采集图像直方图的特点和支架本身的几何特征对中点滤波算法进行了改进，在很好地保持了图像边缘信息的前提下，去除了图像中的随机脉冲噪声。

It was observated that the movement of oil drop impacted by air molecule in Millikan experiment. Displacement distribution and measurement error functions accord with gaussian distribution by studying of histogram.

用密立根实验装置，观测油滴在空气分子撞击下运动，通过直方图研究说明位移分布函数φ符合正态分布，测量误差分布也服从正态分布。

It is difficult to obtain the accurate segmentation threshold of the image. This paper uses the multinomial to approximate the histogram envelope curve by different phase. So the question of how to obtain the accurate segmentation threshold of the image can convert into the solution of the minimum of multinomial, Using this method it can be solved the question how to segment the image more accurately.

对于在图像分割时难于得到图象分割的准确阈值问题，提出利用多项式对直方图包络线进行分段拟合，把图像分割阈值问题转化为求多项式极小值的问题，从而求出用于分割图像不同灰度层次的最优阈值的方法。

The method optimizes the features according to the class separable criterion of margin of within-class and among-class distance and selects the optimized feature vector combination based on four kinds of features,such as gray histogram feature,wavelet transform feature,gray level co-occurrence matrix feature and moment invariants feature,with 26 dimension feature vectors in all.

针对冷轧板带材常见表面缺陷图像识别的特点，提出了板带材表面缺陷多特征优化组合方法，该方法以直方图统计特征、小波变换特征、灰度共生矩阵特征、不变矩特征等4类特征共26维特征向量为基础，依据类间类内距离差的类别可分离性判据对特征进行优化，选出最优特征向量组合。

It includes hardware equipments and foundational theory of the image digitization. This paper expatiates on some digital image processing technologies that the inspecting system may apply to the research and analysis of the collected glass-crack image. Using neighborhood average method and median filter retrains the image noises and make the image edge smooth. Then protract the histogram of the gray image, get the threshold of this image, utilize the threshold method and gray-level slice method to get a binary image, and detect the image edge. Finally calculate the area and perimeter of the glass-crack image, and use the circularity to judge whether this image is a glass-crack image.

本文重点阐述了研究和开发这套玻璃瓶裂纹检测系统所应用到的一些数字图像处理技术，并应用这些技术和方法对采集的裂纹图像进行了处理和分析：应用邻域平均法和中值滤波法来抑制图像的噪声，使图像的边缘平滑；然后绘制出处理过图像的灰度直方图，得到该幅裂纹图像的阈值，利用阈值法和灰度级切片法对裂纹图像进行二值化处理，得到其二值图像，并对图像进行了边缘检测；最后计算出裂纹图像的面积和周长，利用圆形度指标来判断该图像是否为裂纹图像。

Based on it, the Monte Carlo simulation is implemented for the octahedron parallel machine tool, and then the statistical frequency histogram is given.

在此基础上，对八面体并联机床的位姿误差进行了Monte Carlo模拟，给出了统计频数直方图。

In order to do well the statistic work for the samples in zones of different kinds and grades of ores, the interval grade statistic list and statistic histogram were automatically generated by computer for data processing system of sampling design.

为在采样设计时，做好矿石不同类型、同品位区间样品的统计工作，笔者用采样设计数据处理系统实现了若干区间品位统计表、计直方图的自动生成。

Compare the complexity and precision of the polynomial method and orthogonal polynomials method used in geometrical adjustment, an experiment is made; some surface fitting method used in spatial co-registration of multiresolution image are studied and experiments are made to show their different in effects; in order to increase the spectral inherit, we make a histogram match in images to be fused.

比较了图像几何校正的多项式方法和正交多项式方法在复杂度与精度上的差异，进行了仿真实验；研究了不同插值技术在图像配准中的应用，对不同插值方法的效果进行了比较，给出了示意图；为消除图像灰度级不匹配对融合结果的影响，对待融合图像的灰度直方图进行了匹配处理。

Most point-and-shoot cameras have a simple exposure override facility, normally allowing you to overexpose or underexpose your picture. So if the subject is predominantly dark, experiment by overexposing to compensate. If the subject is predominantly light, then underexposure is the way to go. Try taking a test picture, look at it on the screen on the back of your camera, check the histogram, and adjust your exposure compensation. Don't be afraid to shoot four or five versions, as the LCD screen is not always accurate. You can delete the bad pictures later.

大多自动数码相机都具有曝光优先功能，一般都允许你在拍照时过度曝光或曝光不足，如果被拍摄物体整体光线比较强，可以减弱曝光强度，如果被拍摄物体整体光线比较弱，可以选择过度曝光，试着多拍摄几张照片，通过相机背部的液晶屏观察柱状图，调节曝光补偿等级，因为液晶屏的显示效果不很精确，别嫌麻烦，多拍几张照片，之后，对于效果不理想的照片可以删除。

It reflects the gray scale information of components of the color space in pictures taking the form of histogram, and it has the features of simplicity, perspicuity, and interference resistance.

在基于内容的图像检索中，颜色作为一种重要的图像视觉信息已得到了广泛的应用，它将图像颜色空间各分量的统计信息用直方图的形式反映了出来，具有简单、明了和抗干扰能力强等特点。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。