Homomorphic filtering is a frequency domain operation to compress image light area and enhance contrast. 同态滤波是一种将亮度范围压缩和对比度增强的频域处理方法。
Congruences and Homomorphic Image of Left C-semigroups 左C-半群上的同余与同态像
The equivalent definition of α-fuzz y subgroup and definition of normal α-fuzzy subgroup are also given,α-fuzzy factor group and homomorphic image properties are studied. 我们还给出了α-fuzzy子群的等价定义,给出了正规α-fuzzy子群的定义,研究了α-fuzzy商群及α-fuzzy子群的同态象性质。
At last, a new method will be devised to combined with pretreatment of homomorphic technology and infrared image. 最后,提出了将同态滤波技术与红外图像的预处理相结合的新方法。
The improved homomorphic filter algorithm for removing cloud of remote sensing image based on the second exploiture of ERDAS tool 基于ERDAS二次开发的遥感图像同态滤波薄云去除算法的改进
An Experimental Research on Analog Homomorphic Image Processing and Its Application 模拟图象同态处理的实验研究
It was proved in this paper that the homomorphic image of fuzzy ideal ( fuzzy implicative ideal) with sup property in BCK-algebra is also a fuzzy ideal ( fuzzy implicative ideal). 本短文论证了BCK-代数有sup性质的Fuzzy理想的同态象仍是Fuzzy理想,Fuzzy关联理想的同态象仍是Fuzzy关联理想。
This method combines I he homomorphic filtering and B spline smoothing. Firstly, a coarse bias estimation is got by Gaussian homomorphic filtering on the corrupted image. 该方法将同态滤波和B样条平滑相结合,首先采用高斯同态滤波器对污染图像滤波,得到初步估计的偏差场;
The Homomorphic Enhancement of Infrared Image in Fuzzy Field 红外图像的模糊域同态增强
Application of a New Method of Homomorphic Enhancement in Image Enhancement 一种新的同态增晰方法在图像增强中的应用
Besides, homomorphic filtering was introduced into the contrast enhancement of the radiographic image with scattering noise. 此外,针对射线图像的散射噪声,提出用同态滤波的方法实现对比度增强。
The homomorphic image of fuzzy ideal in BCK-algebra BCK-数的Fuzzy理想的同态象
Theorem 2.3 The homomorphic image set of left ( right) Hamil-ton semigroup is still left ( right) Hamilton semigroup. 定理2.3左(右)H-半群的同态像集合仍是左(右)H-半群。
Generalized Homomorphic and Adaptive Order Statistic Filters for Image Processing 用手图象处理的广义同态及自适应排序统计滤波器
The greatest idempotent separating congruence, greatest idempotent pure congruence and the least group congruence are constructed. The constructional theorem for homomorphic image of left C-semigroups is presented. 用同余组的方法构造出了左C-半群上的最大幂等元分离同余,最大幂等元纯同余和最小群同余,本文还给出了左C-半群的同态像的结构定理。
Structure of Homomorphic Image of Ring 环同态象的结构
Image enhancement is able to employ homomorphic filter and colour correction to enhance the objects in the image and correct the colour degradation. 图像增强算法可以利用同态滤波器来增强图像中的物体,并使用色彩校正算法处理图像中衰减的颜色。
It deserves to mention that we apply principle of homomorphic filtering into the field of speckle image processing. Through the method of extending speckle fringes and compressing high-frequency speckle particle noises, we receive the ideal processing result. 值得一提的是将同态滤波的原理应用到散斑条纹滤波当中,采取扩展散斑条纹信息,压缩高频散斑噪声的方法,获得了理想的处理结果。
In this paper, a self-adaption filter is adopted, when the image gray levels within a certain threshold we use a homomorphic filter processing the image; else it exceeds this threshold value, we use anisotropic filter. 本文采用自适应滤波器,即当图像灰度在某阈值内时使用同态滤波器处理图像;超过这一阈值,则采用各项异性滤波器。
Introduced the algorithm of boundary extraction, homomorphic filtering and so on, also open up a integrated image processing system. 介绍了本文所用到的同态滤波、边界提取等算法原理以及实现代码,利用VC++集成了一个用于冰川信息提取的小型图像处理系统。
Experimental results show that with the comparison of homomorphic filtering method and wavelet transform, this method can achieve better effect of thin cloud removal, moreover it can preserves the image detail and edge information effectively. 3. 实验结果表明,该方法与同态滤波和小波变换方法比较,能取得更好的去云效果,有效地保留了图像的细节信息和边缘信息。
Histogram equalization, balanced on the role of gray scale, weakening the halo effect caused by homomorphic filtering, and homomorphic filtering filters the low frequency components of image, eliminate the image differences caused by illumination change. 直方图均衡化对灰度的均衡作用,削弱滤波中引起的光晕效果,同时高斯滤波滤去图像的低频分量,即与光照有关的入射分量,消除光照变化引起的图像的差异。