灰度直方图

HDTV视频图像灰度直方图统计算法设计液晶显示器灰度的实现

Implementing Histogram Algorithm for HDTV Image Processing Based on FPGA Gray levels of LCD

提出一种混合算法，将一种基于灰度直方图的阈值化分割算法应用到了HSI颜色空间上，利用H进行阈值化，在阈值化之前，先根据R、G、B值对像素进行了筛选；

The combined algorithm that changes thresholding based on histogram into thresholding based on H in HSI color space and selects the pixels according to its R , G , B value , before thresholding ;

基于灰度直方图分析的原木CT图象分割

CT wood image segment by analyzing gray-value histogram

灰度直方图特征提取的Matlab实现

Gray-scale Histograms Feature Extraction Using Matlab

但灰度直方图方法不能充分表示空间分布信息，而将形状特性应用于CT心脏图像检索的方法正好可以弥补灰度直方图表达空间信息的不足。

However , gray-scale histogram can not fully express the spatial distribution information . The shape characteristics can overcome this shortcoming .

针对CT图像的特点，本文采用基于灰度直方图的交互性阈值分割方法。

In this dissertation , an interactive threshold segmentation method is adopted based on grey-level information according to the characteristics of CT images .

针对用传统灰度直方图方法检索CT心脏图像效果不佳的问题，提出了用灰度变换和灰度直方图特征检索CT心脏图像的方法。

In this paper , a better method of searching heart in CT ( Computerized Tomography ) image based on gray histogram and gray transformation is proposed .

设计并实现了X射线探伤图像中缺陷尺寸的自动测量及一些常用的图像处理算法，如：灰度直方图显示、负像、伪彩色以及锐化等；

The measurement of defect and the common image processing methods are realized , such as histograms showing , invert transform , fake-color transform and curve transform .

应用数字图像灰度直方图分析的基本原理，利用MATLAB等分析处理软件，构造了伪装器材效果评价模型和迷彩图案颜色设计模型。

With the fundamentals of the gray-level histogram and MATLAB package , the camouflage materials effectiveness assessment model and the painting pattern color design model are presented .

基于灰度直方图窗口扫描分类的FGS图像编码

Fine Granularity Scalable Image Coding Based on Scanning Classification of Histogram

利用白色背景下，图象的B分量灰度直方图进行图象与背景的分离，结合苹果表面光滑易反射的特点，用链符法搜索并细化轮廓，采用最小外接矩形法求横径、纵径；

The image gray histogram of B component in the white background was used to segment the fruit from the background . The Chain Code Method was adopted to search the thinned boundary line .

在图像配准过程中，采用了三线性PV插值来避免图像变换所带来的灰度直方图计算困难的问题。

Moreover , Trilinear Partial Volume Distribution Interpolation is took in order to avoid the difficulties of calculating gray because of image transformation .

利用面阵CCD摄像机采集显微镜中孢子的图像，通过灰度直方图确定初始阈值，再用二次定值法确定最终阈值，将灰度图像转换成二值图像。

The images of spores under microscope were captured by area-scan CCD camera , and the gray level images were then transferred into binary images by adjusting threshold .

基于灰度直方图的快速K-MEAN图象分割算法

The fast K-mean image segmentation algorithm based on the grey histogram

介绍了采用Altera公司的cycloneII系列现场可编程门阵列（FPGA）实现灰度直方图实时统计的实现方法和设计技巧。

The method and technique to realize real-time histogram statistic were presented which use Altera 's Cyclone II field programmable gate array ( FPGA ) .

确定了三种可用于基于颜色特征的告警信号灯识别的方法：灰度直方图法，模板匹配法和HSI系统法。

The methods for alert signal recognition include gray histogram arithmetic , pattern matching method and HSI system .

提出一种基于BP神经网络和遗传算法的货车车锁检测方法.首先提取图像的投影特征、边缘图像的矩向量特征以及灰度直方图特征，然后用BP神经网络进行检测和定位；

First the projection feature , moment vector feature of edge image , and the feature of gray histogram are extracted , and then BP neural network is used for detecting and locating the lock .

方法：利用Matlab工具箱函数，采用灰度直方图均衡化和灰度直方图规定化的方法对一幅X线图像进行增强处理，并比较它们的增强效果。

METHODS : Two processing methods , the gray-level histogram equalization and the gray-level histogram regulation , were applied to enhance an X-ray image and their enhancement effects were compared by using Matlab toolbox functions .

测试结果表明，基于四叉树和基于HV分割的快速分形检索算法能体现出图像中结构的相似程度，测试结果优于灰度直方图检索算法的相似性比较结果。

The results show that the quadtree and HV based fractal retrieval algorithm can embody the similarity of image structure , and which is prior than the histogram retrieval algorithm .

为抑制红外图像中的噪声的影响，利用Bezier曲线法平滑图像灰度直方图中的噪声，得到Bezier直方图。

In order to inhibit noise influence on IR image , the noise in image gray scale histogram is smoothed by Bezier curve to obtain Bezier histogram .

然后，根据图像的HSI彩色直方图或者灰度直方图的特点，利用图像并行区域分割技术或基于数学形态学知识，将目标从背景中分离出来。

Then making use of parallel-region segmentation and mathematical morphology , we can easily separate objectives from background according to histogram characters of HSI model or gray scale .

其中重点根据红外图像的特点对灰度直方图规定化、Canny边缘检测和Otsu阈值分割等算法进行了改进，得到较好的视觉效果。

According to the characteristics of infrared image , this paper improves some algorithms , such as gray level histogram specification , Canny edge detection and Otsu threshold segmentation algorithm .

将经典的仿射模变换与改进的Logistic混沌映射进行了图像位置置乱；并采用扩散因子与混沌映射结合进行像素值置乱，达到改变图像灰度直方图的目的。

We make position scrambling by classic affine module transformation combine to modified Logistic chaotic map , and get scrambling based on the value of pixel by spread factor combine with chaotic map to get the purpose that change the image histogram .

利用小波分析在时域和频域具有良好的局部化特性以及二维灰度直方图所反映的邻域空间相关信息，提出一种基于二维灰度直方图最佳一维投影的B样条小波变换红外热图象分割方法。

We put forward the Cardinal B Spine Function wavelet transformation of the two dimensional gray histogram 's best one dimensional projection in infrared images It takes advantages of the excellent local resolution of temporal and frequency region and the correlative neighborhood information reflected by the two dimensional gray histogram .

基于灰度直方图的FCM分割算法缩小了数据空间，在聚类效率上取得较大的改进，但其仍存在对大噪声比较敏感的缺点。

FCM segmentation algorithm based on the histogram got a narrowed data space that can help it got greater improvement in clustering efficiency . But it has some Applicability in large noise sensitive and considerations on neighborhood informations .

论文研究了基于图像一阶灰度直方图统计信息、基于图像阈值分割技术、以及基于二维Gabor滤波器方法对非织造布检测的可行性和适用性，采用matlab软件进行静态算法的研究。

The subject is to make research on the feasibility and usability of nonwoven defects inspection based on first-order statistics on histogram of grayscale image , thresholding methods for image segmentation and 2-D Gabor filters . Static algorithm research is launched through matlab .

以8阶灰度直方图为例，通过对常用均衡化方法的实例分析，引出基于IML的直方图均衡化方法&等区间映射均衡化（IIME）。

By analyzing an example of the general equalization , IML draws forth the iso-interval mapping law ( IIME ), a method of direct histogram equalization .

假设灰度直方图服从正态分布且二个子分布的方差相等，基于条件分布的最大相关原则等价于Otsu阈值分割方法。

It has been proved that the maximization of the likelihood of the conditional distribution of the conditional distribution of the population mixture model under the assumption of Normal distributions with a common variance is equivalent to Otsu 's thresholding .

对基于路径识别的机器人视觉导航所需要的图像处理技术进行了分析，利用邻域平均法、Canny算子、灰度直方图峰谷法分别对摄像头捕获的图像进行去噪、边缘提取、及阈值选择等处理。

The image possessing technology based on path recognition robot visual navigation is analyzed in this paper by neighborhood averaging , canny operator , histogram peak and valley method in order to deal with the camera image in denoising , edge extraction , and threshold value selection .

提出快速排序统计滤波（FOSF）算法，利用相邻滑窗的重叠性质，通过把灰度直方图改造为静态链表的形式，实现排序统计滤波。

Here a fast order statistic filtering ( FOSF ) algorithm is proposed . It takes advantage of the overlapping properties of adjacent running windows and transforms the gray-level histogram into a static linked list .