The method is better than traditional homomorphic filtering and histogram equalization.
该方法明显优于经典的同态增晰法和直方图均衡化。
A novel image enhancement technique suitable for low light level image, dualistic sub image enhancement based on two dimensional histogram analysis and histogram equalization, is presented.
提出了基于二维直方图分析的二元子图微光图像增强处理算法。
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 pa-per proposed a method which is partially overlapped local histogram equalization based on maximum entropy and brightness preserving(Local BPHEME).
本文提出了基于熵最大化和亮度保持的部分重叠的局部直方图均衡方法（局部BPHEME）。
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。
To better understanding the weld image, the histogram equalization method was used aiming at enlarging the difference between groove and other area.
运用直方图均衡化方法强化坡口与非坡口的差别，增加焊缝图像的理解性。
Then, in HSI space, the method based on adaptive histogram equalization (AHE) is introduced to adjust the saturation and intensity. And then, the contrast is regulated further.
在HSI空间中，采用自适应直方图均衡（AHE）方法实现了图像饱和度和亮度的调整，并进一步修正了图像的对比度。
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 method of histogram equalization is attempted to used in the sonar image, and the result is analyzed.
在图像增强方面，尝试了直方图均衡化增强方法，并对其处理结果进行了分析。
Satisfied results usually can not be got when processing color images degraded by fog and mist with the conventional enhancement algorithms such as histogram equalization and homomorphic filtering.
对于薄尘雾退化的彩色图像，用直方图均衡和同态滤波等常规增强算法处理往往不能得到满意的效果。
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 principium, implementation method and simulation results of FPGA -based video format conversion, median filtering and adaptive bidirectional plateau histogram equalization were given.
给出了基于FPGA的视频格式转换、快速中值滤波、自适应平台直方图双向均衡化的原理、实现方法及仿真结果。
Spectral enhancement includes linear contrast stretch, non-linear contrast stretch, histogram equalization and histogram matching etc.
光谱增强包括线性反差拉伸、非线性反差拉伸、直方图均衡化和直方图匹配等方法。
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。
One method is derived from the histogram equalization technique and automatically determines the color spectra of geo- physical maps.
一种方法借鉴了直方图平滑化的思想，应用于位场彩色影像的色谱的自动确定。
In view of the shortcoming of direct histogram equalization and big work of mapping law's calculate in histogram specification, proposed one kind of improvement stipulation algorithm.
在对比指纹图像的灰度直方图增强的技术的基础上，针对均衡化算法的不足和现有直方图规定化算法中映射规则计算量大的情形，提出一种改进的规定化算法。
And the method with histogram equalization and median filtering method of comparison can be very clear that the present method than the above two methods better and better extraction.
并且通过与直方图均衡化法以及中值滤波法的对比可以很明确的表明，本文的方法相较于上述两种方法更优，提取的效果更好。
Methods Based on improving of traditional histogram equalization, the proposed method adopts the minimum mean brightness error bi-histogram equalization and an effective intersected point.
方法在改进常规直方图均衡化算法的基础上，以最小灰度平均值误差二元直方图均衡化为基础，引入另一个有效分割点。
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。
The region histogram equalization is different from traditional histogram modification technology, the idea is based on human vision character and edge effect in image vision.
区域间直方图均衡不同于传统的直方图修正技术，该思想是充分地考虑到人类的视觉特性和边缘在图像视觉中的作用而提出的。
Fundus image preprocessing system consists of Color image processing, image geometric transformation and the image histogram equalization, the image smooth and sharpen enhancement function.
眼底图像的预处理系统包括：彩色图像的处理、图像的几何变换以及图像的直方图均衡、图像的平滑化及锐化处理等增强功能。
When the code is to the histogram of processing, such as, histogram generation histogram equalization and histogram match.
该段代码就是对直方图的各种处理，如，直方图生成直方图均衡化和直方图匹配。
This paper focuses on the study of Local Area Histogram Equalization (LAHE) and its applications in pneumoconiosis X-ray films enhancements.
本文主要研究了局部直方图均衡化（LAHE）及其修正算法在尘肺X线图像增强中的应用。
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。
Up to the present, the research on this subject mainly focuses on the local histogram equalization and atmospheric scattering model.
目前对有雾图像的增强和恢复研究主要集中于局部直方图均衡化和大气散射模型两个方面。
Up to the present, the research on this subject mainly focuses on the local histogram equalization and atmospheric scattering model.
目前对有雾图像的增强和恢复研究主要集中于局部直方图均衡化和大气散射模型两个方面。
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