查询词典 histogram

To solve this problem, an algorithm which can adaptively determine the double thresholds based on gradient histogram and minimum interclass variance and improve Canny operator was proposed. Theory and experiments show that the proposed algorithm is effective and correct.

为了对Canny算子的这一缺陷加以改进，提出了基于梯度幅度直方图和类内方差最小化原理自适应地求取双阈值的算法对大津法作出改进，理论推导和实验结果证明了该算法的正确性和有效性。

The relational database is used to organize data. The pre-processing with graphical human-computer interaction and 3D visual output is applied as a dramatic analysis method for engineer including data form, sample contour, isobar graph, vector graph, histogram and so on.

该系统以关系型数据库组织各种数据，完全实现了人机图形交互式前处理及三维可视化输出，为工程人员提供了包括数据表格、取样曲线、等位线、等位面图、向量图及二元函数图等一系列生动形象的数据分析手段。

This algorithm utilizes histogram threshold to merge some regions to remove the influence taken place by small region or isolated point.

该算法利用直方图阈值进行区域合并，消除了小块区域和孤立点对最后分割结果的影响，有效地克服了原有算法的一些缺陷和不足。

Histogram of the characteristics of the calculation, including the variance, kurtosis, entropy and so on.

详细说明：直方图特征的计算，包括方差，峰度，熵值等。

I tested them for the 3D shape and the histogram can be perfectly fitted by Laplace distribution. This is also true for most of the natural images.

但噪声由于不具备方向性的特点，所以只在某几个方向上才存在，这样消噪起来很有力。

In this article a method based on edge extraction, linear image transformation and histogram modification is proposed to address the mentioned problem.

针对图像变形问题，我们分析了扫描图像变形的几何模型，提出了基于边缘提取和线性变换的图像纠正计算公式。

Image processing, the first operation, including the extraction monochrome, histogram, linear transformation to some basic operation.

图象处理的第一次作业，包括提取单色，直方图，线性变换等一些基本的操作。

A new automatic exposure algorithm using luminance histogram of an image is proposed.

提出一种基于亮度直方图的自动曝光控制算法。

In the candidate face preprocessing sub-system, the algorithm proposed in this paper first filters the candidate face so as to eliminate the noises, and then extends in gray level up to adjust the contrast of image, and finally uses histogram equalization to adjust the mean value and square difference of images, realizing the gray level normalization.

2对于侯选人脸区域图象预处理子系统；首先对侯选人脸区域进行滤波以去除图象噪声，再做灰度拉伸以调节图象的对比度，然后用直方图均衡调节图象的均值和方差，达到灰度归一化的目的。

A hybrid measure based on space color histogram and correlation measure was introduced.

实验表明，它弥补了传统直方图L〓度量的不足，是一种性能良好的颜色直方图度量。

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。