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。
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。
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。
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。
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。
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。
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。
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；
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。
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。
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。
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。
MFC gray-scale image processing, including open display, filtering, binarization, histogram, geometric transformations, etc.
说明：MFC灰度图像处理，包括打开显示，滤波，二值化，直方图，几何变换等。
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。
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。
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。
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。
Absrtact: Because people 's 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.
摘要：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 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 use of image denoising, gray-scale transformation, histogram equalization, and uneven background correction techniques make the image more easily processed and analyzed.
采用图像去噪、灰度变换、直方图均衡化以及非均匀背景修正技术等提高了原始图像成分的清晰度，使图像变得更便于计算机分析和处理。
Therefore, a lossless data hiding scheme of histogram pair was proposed based on multi-gray image authenticity certification.
针对此不足，提出一种基于多灰度图像真实性认证的直方图对无损数据隐藏新方法。
The aim of specification is to transform the histogram of an original image to a specified histogram capable of highlighting certain gray level ranges in the image.
规定化的目的是将原图像的直方图转变为规定的直方图，以便突出一定灰度范围内的图像。
By using image difference and gray stretch technique, image histogram analysis method was used to investigate the movement of particles in image sequence.
利用差分法配合灰度拉伸对颗粒运动图像进行了处理 ，直方图分析表明 ，像素在灰度上的分布特性与颗粒运动的剧烈程度具有相关性。
One of the most useful thresholding techniques using gray-level histogram of an image is the OTSU method. The objective of this paper is to extend it to the 2-dimensional histogram.
Otsu法是最常用的利用图象一维灰度直方图的阈值化方法之一，本文的目的是将它推广到二维直方图。
One of the most useful thresholding techniques using gray-level histogram of an image is the OTSU method. The objective of this paper is to extend it to the 2-dimensional histogram.
Otsu法是最常用的利用图象一维灰度直方图的阈值化方法之一，本文的目的是将它推广到二维直方图。
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