The gray histogram arithmetic is the best method for this system.
其中灰度直方图法是本系统告警信号灯识别的最佳方法。
Compared with direct use of gray histogram image retrieval, this algorithm possesses high distinguish degree.
相对于直接使用灰度直方图进行图像检索，该算法具有更好的区分度。
Local gray histogram statistics is applied to object detection in the images with multi-scale fractal feature.
在多尺度分形新特征图像中采用局部直方图统计方法进行目标检测。
In the paper, a method of image segmentation by ant colony algorithm based on two-dimensional gray histogram is presented.
提出了一种基于二维灰度直方图的蚁群图像分割方法。
The features concerned are such as texture feature, gray histogram feature and features derive form the principle component analysis.
在图像特征提取上改进并提出了三种特征的提取：纹理特征，灰度直方图均值化特征，图像的主成分特征。
This paper presents a method of determining the type of a VLP based on the gradient histogram and the gray histogram of the image of a VLP.
本文采用一种基于车牌梯度直方图和灰度直方图的车牌类型判定方法。
This paper presents a method of determining the type of vehicle-license-plate based on the gradient histogram and the gray histogram of the image of a vehicle-license-plate.
本文提出一种基于车牌图像梯度直方图和灰度直方图确定车牌类型的方法。
Methods Ultrasonic images of fatty and normal liver were identified by adopting texture analysis with statistical features and getting features parameter from gray histogram.
方法采用纹理分析法，从灰度直方图中提取特征参数，对脂肪肝和正常肝脏B超图像进行识别。
Starting from the definition for a set of ordered elements, the area histogram has been extended to analysis gray -level image through the notions of image thresholding decomposition and level sets.
从为有序元素集定义面积直方图出发，通过图像的阀值分解及层集等概念，面积直方图被扩展到了灰度图像。
A modified algorithm of histogram equalization to gray image manipulation was discussed and actualized by analyzing principia and deficiency of the traditional algorithm of gray image.
分析了传统灰度图像直方图均衡化算法的不足，讨论并实现了一种改进的直方图均衡化图像增强算法。
Traditional histogram equalization and gray-scale transformation algorithms can't realize the enhancement of the target in the infrared image effectively.
传统的直方图均衡和灰度变换增强算法，不能针对红外图像的目标进行有效地增强。
The thresholding of betterment gray scale histogram is a method that improve on the traditional thresholding of gray scale histogram, which result is very well.
其中改进的灰度直方图法就是在传统的灰度直方图法基础上改进的算法，效果较好。
Histogram, as a basic description of the image or the gray distribution, using of statistical characteristics of it, are compared in similarity.
直方图作为对图像颜色或灰度分布的一种基本描述量，文中利用其统计特征进行直方图之间的相似性度量。
This paper mainly tells us the ways of image gray transformation, including linear gray transformation, nonlinear gray transformation and the approach of histogram equalization.
此文主要研究用于增强图像的灰度变换方法，包括线性灰度变换、非线性灰度变换与直方图均衡化方法。
The general theories of gray correction methods for the medical ultrasonic image are introduced in this paper, including gray level correction, gray level transformation and histogram correction.
介绍了超声医学图像灰度校正常用方法的基本原理，这些方法主要有灰度级校正、灰度变换及直方图修正。
Aiming at this problem, histogram equalization and gray stretch are used to enhance license plate image, and make the image clearer.
针对这一情况，将直方图均衡和灰度拉伸相结合，增强牌照图像，使图像更加清晰。
An algorithm that integrates gray scale gradient cue and color histogram cue to detect the human head is proposed.
提出了结合图像灰度梯度信息和彩色直方图信息的人头识别算法。
Because peoples vision is not sensitive to the slight edge that participated in matching, making use of gray edge histogram to retrieval image has an effect on the result.
利用边缘直方图检索图像，因为人眼并不敏感的细微边缘也参与匹配，所以会影响检索效果。
The paper presents a variant gray scale histogram (VGH) for the purpose of detecting and locating captions in video images.
为实现视频图像中字幕的快速检测与定位，本文提出一种变异灰度直方图vgh。
Third, the gray-level histogram of image is equalized in order to reduce the influence of uneven light to the gray-level image.
第三步，为了减轻光线不均匀对灰度图像造成的影响，对产品图像进行灰度直方图均衡；
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.
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。
At first, the image background is suppressed by setting a threshold. Then, both gray density and gray interval of the histogram are equalized.
该算法首先通过设置平台阈值对背景的增强进行抑制，然后将直方图在灰度密度和灰度间距两个方向进行均衡处理。
The threshold methods of image segmentation are surveyed in this article, especially those based on the gray level histogram.
本文对现有的各种图像阈值分割方法进行综述，重点介绍了基于图像灰度直方图的阈值分割方法。
The histogram equalization can enhance the contrast by redistributing the gray levels, it has the drawback that it reduces the information in the processed image.
直方图均衡可以使图像灰度分布接近均匀，提高图像对比度，但图像的信息量会有一定程度的损失。
Edge histogram is extracted from gray images and discards color information of images.
边缘直方图是在灰度图像上提取的，丢弃了图像的颜色信息。
The method of enhancing the cell image includes gray-scale transformation, histogram modification, image smoothing and image sharpening etc.
细胞图像增强主要采用灰度变换、直方图修正、图像平滑、图像锐化等方法。
The method of enhancing the cell image include gray-scale transformation, histogram modification, image smoothing and image sharpening etc.
细胞图象增强主要采用灰度变换、直方图修正、图象平滑、图象锐化等方法。
The traditional image enhancement approaches include gray-scale transformation, histogram modification, histogram equalization, image smoothing and Wiener filtration.
传统的图像增强方法有灰度变换、直方图修正、直方图均衡、图像平滑和维纳滤波。
In this paper a novel method is presented to segment gray level image through maximizing the fuzzy partition entropy of two-dimensional histogram.
该文提出了一种通过最大化二维直方图模糊划分熵分割灰度图像的新算法。
After the gray transformation and the histogram equalization, these images were filtered by a frequency-domain homomorphic filter, hence noises in the images were greatly reduced.
利用自开发软件，对图像进行灰度变换和直方图均衡化处理后，采用频域同态滤波的方法对图像进行降噪滤波处理。
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