Based on the first and the second order of image statistics characteristics, the adaptive visible image contrast enhancement method is presented.
提出了一种基于图像一阶、二阶统计特性的自适应可见光图像对比度增强方法。
Bone age automatic assessment can be divided into four periods: preprocessing of X-ray hand-wrist image, image contrast enhancement, feature extraction and feature matching.
骨龄自动识别大致分为四个阶段:手腕骨图像的预处理、图像增强、图像特征提取和图像特征匹配。
Histogram Equalization (he) as an image contrast enhancement technique is widely used. By improving the visual effect of images considerably, it assists the viewer in discovering hidden messages.
直方图均衡化(HE)是一种最常用的图像对比度增强技术,它能够在很大程度上增强图像的视觉效果,帮助人们识别图像中隐藏的信息。
The optimum threshold determined by the theory of image segmentation is to be the crossover point of the fuzzy enhancement in order to enhance the contrast of image.
利用图像分割原理确定的最佳阈值作为模糊增强的分界点,完成对图像的对比度增强。
This paper introduces a new method of low contrast gray image enhancement based on PCNN after studying the operation elements and action mechanism of PCNN.
通过对PCNN工作原理和行为机制的深刻剖析,本文提出基于PCNN的低对比度的灰度图像增强算法。
In this paper, a new method of low contrast image enhancement is presented based on PCNN and LR models in conjunction with characteristics of human visual consciousness.
针对低对比度图像,结合人眼视觉神经系统的感知特性,提出了一种基于PCNN与LR模型的图像增强方法。
Objective To improve the new algorithm of local contrast enhancement for MR image based on mathematical morphology, we evaluated the performance of the algorithm by real MR images from clinical use.
目的对基于数学形态学的磁共振图像局部对比度增强算法进行临床MR图像测试,为完善算法提供依据。
Contrast type of original image is determined by a new criterion. Gray transform parameters are directly obtained by the new criterion. Global enhancement is implemented to the original image.
对原始图像用所提出的判据判断图像的对比度类型,针对不同类型直接确定灰度变换参数,实现图像全局对比度增强。
The optimum threshold determined by the theory of image segmentation is to be the crossover point of the fuzzy enhancement, in order to enhance the contrast of image.
利用图像分割原理确定的最佳阈值作为模糊增强的分界点,完成对图像的对比度增强。
The simulation results show that the proposed contrast enhancement method can realize contrast enhancement in different extent, which improves the image quality of display devices effectively.
仿真结果表明,提出的对比度增强方法能根据对比度增强系数实现不同程度的对比度增强,有效地提高了显示设备的图像显示质量。
Aiming at the bad contrast of infrared image and big noise, this article gives out an arithmetic of image enhancement based on the disperse of two-dimensional and wavelet transform.
针对红外图像对比度差、噪声较大的缺点,提出一种基于二维离散小波变换的红外图像增强方法。
Adaptive segmentation and local enhancement methods are used to process images taken in haze. As the result, higher contrast of image is obtained without noise magnification in sky region.
采用图像自适分割方法以及图像局部增强方法对轻雾天气下的图像进行处理,在大幅度提高图像清晰度的同时避免了天空噪声的放大。
To evaluate the quality of image enhancement, this thesis studied the evaluating method of image's contrast and entropy.
对增强图像的质量评价,本文研究了采用图像对比度和熵的评价方法。
A new contrast enhancement technique is presented, which can not only extend the dynamic scope of the image gray scale, but also increase the local image contrast.
此方法既扩大了图象灰度的动态范围,又使得图象中的局部对比度得到了增强。
For infrared image with the characteristics of low contrast and low signal-to-noise, a infrared image enhancement method based on Wavelet Transform and Lateral Inhibition Network is presented.
针对红外图像存在的对比度差、信噪比低等问题,提出了一种基于小波和侧抑制网络的红外图像对比度增强算法。
And the output image has adequate contrast, obvious levels. The dim and low-contrast detail has been enhanced. The method is preceded with that the histogram enhancement.
处理结果有效地去除原图像的斑点噪声,使图像中较模糊、对比度差的细节得到增强,优于传统的直方图均衡增强方法。
Objective There are many image enhance methods in image engineering, for example contrast enhancement and dynamic range compression and so on.
目的在图像工程中,图像增强方法有多种,如增强对比度和动态范围压缩等等。
This thesis proposes an algorithmic adaptive image enhancement method based on pixel classification, but this method only can change edge slope and can not change edge contrast.
本文在图像自适应增强方面,提出了基于像素分类的算法自适应图像增强方法。但是这种方法只能改变边缘的斜率而不能改变边缘两侧的对比度。
Aiming at the disadvantage of fuzzy image, by making some analysis about extracting edge feature based on fuzzy contrast enhancement algorithm, two images registration is achieved.
针对模糊图像的弱点,分析了通过增强象素模糊属性对比度来提取边界特征的基本原理,实现了两幅图像的配准。
Traditional image enhancement algorithm enhances the contrast grade and noise of image at the same time. So, noise reduction is needed.
传统图像增强算法在增强对比度的同时,也很大地提升图像噪声,需要对图像进行降噪处理。
In order to improve the image contrast and to single out the desirable signals in a coherent image enhancement system, a polarizing filter was used.
为了在相干象增强系统中提高象的对比度,突出所需用的信号,采用了偏振滤波器。
The principles and steps of low-contrast image enhancement method are explained. The method is applied to mri images.
同时对实现低对比度图像增强的基本方法和基本步骤进行了详细的阐述,并将该技术应用到透视图像分析中。
The principles and steps of low-contrast image enhancement method are explained. The method is applied to mri images.
同时对实现低对比度图像增强的基本方法和基本步骤进行了详细的阐述,并将该技术应用到透视图像分析中。
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