Description: 几种图像复原集合在一个程序中包括有运动模糊/复原,逆滤波退化/复原，加噪退化，维纳滤波复原，支持256色BMP图像输入输出。-Several image restoration set in a process including the motion blur/recovery, inverse filtering degradation/recovery, noise degradation, Wiener filter rehabilitation, support 256-color BMP image input and output. Platform: |
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Author:ZL |
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Description: 摘要:为了提高图像复原算法的性能 ,提出了一种改进的奇异值分解法估计图像的点扩散函数。从图像的退化离散模型
出发 ,对图像进行逐层分块奇异值分解 ,并自动选取奇异值重组阶数以减少噪声对估计的影响。利用理想图像奇异值向
量平均能谱指数模型 ,估计点扩散函数奇异值向量的频谱 ,再反傅里叶变换得到其时域结果。实验结果表明 ,该方法能
在不同信噪比情况下估计成像系统的点扩散函数 ,估计结果比原有估计方法有所提高 ,有望为图像复原算法的预处理提
供一种有效的手段。-Abstract : To improve the performance of image restoration algorithms , a modified Singular Value De2
[ ] [ ]
composition SVD method was proposed to estimate the Point Spread Function PSF of an imaging
system. Using the discrete image degradation model , a block2based SVD filter scheme was applied for
the image denoising with an automatically determined singular value rank. After the spectra of PSF
singular vectors were estimated under an exponential model for the averaged spectra of un2degraded
image singular vectors , the IFFT was used to get the time2domain estimation of the PSF. The experi2
mental results show that this proposed method can be applied to estimate the PSF of the imaging sys2
tem under a wide SNR range and its performance is better than the original method. It may be used as
an effective method for the image preprocessing in image restoration problems.
[ ]
Key words: image restoration Point Spread Function PSF block2based Singular Value Decomposi2 Platform: |
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Author:zy |
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Description: 摘 要 运动模糊恢复就是利用运动模糊退化的某种先验知识来重建或恢复原有图像 在运动模糊的点扩散函数未知的情况下
: 。 ,
估计运动模糊的点扩散函数是运动模糊恢复的前提和关键 从傅立叶变换的角度对匀速直线运动模糊图像的点扩散函数在频域
。
论证了点扩散函数在频域内的零点特性及模糊图像两次傅立叶同态变换后的方向特性 并提出了利用这中的特点做了理论分析,些特性进行运动模糊方向估计的方法及两种模糊距离的估计方法 实验结果证明了所提出方法的有效性-Abstract motion blur is to use motion blur to restore the degradation of some prior knowledge to rebuild or restore the original image in the motion blur point spread function of the unknown circumstances:. , It is estimated that the motion blur point spread function is a prerequisite for the restoration of motion-blurred and critical perspective from the Fourier transform of the uniform linear motion blurred image of the point spread function in the frequency domain. Demonstrated that the point spread function of the zero in the frequency domain characteristics and the two blurred images after Fourier transform with the direction of state properties and proposed use of the characteristics of this has done a theoretical analysis, some characteristics of the estimated direction of motion-blurred and the two kinds of fuzzy distance estimation results proved the effectiveness of the proposed method Platform: |
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Author:zy |
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Description: 图像复原
退化模型
连续退化模型
离散退化模型
复原的代数方法
代数复原原理
逆滤波复原
最小二乘方滤波
MATLAB 实现图像复原
维纳滤波复原
规则化滤波复原
Lucy-Richardson 复原
盲去卷积复原
图像复原的其它 MATLAB 函数 -Degradation of image restoration model continuous degradation model discrete degradation model recovery principles of algebra algebraic inverse filter to recover to recover MATLAB least squares filtering for image restoration Wiener filter to recover the rules-based filtering to recover Lucy-Richardson deconvolution to recover Blind Image Restoration to recover the other MATLAB Functions Platform: |
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Author:齐子新 |
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Description: 自编图像退化程序，包括图像的模糊与加噪，解释详细，希望对学习图像复原的朋友有所帮助。-Self image degradation process, including blur and add noise, a more detailed explanation, I hope the friends of learning image restoration help. Platform: |
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Author:天天 |
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Description: 一. 图像复原
1). 针对图像水平运动所引起的图像退化，给出连续函数退化模型的系统传递函数H（u,v）
2). 编程用维纳滤波实现对运动模糊图像的复原。
二. 图像复原
1). 针对图像水平平移a后与原图像叠加形成的重影图像所引起的图像退化，给出连续函数退化模型的系统传递函数H（u,v）
2). 编程用维纳滤波实现对一个重影图像的复原。-One. Image Restoration 1). For horizontal movement of the image caused by image degradation, degradation model of continuous functions given transfer function H (u, v) 2). Programmatically using Wiener filter to achieve the restoration of motion blurred images. II. Image Restoration 1.) Level for the image after a translation of the original image superimposed with the formation of ghost images caused by image degradation, degradation model of continuous functions given transfer function H (u, v) 2). Programming with the maintenance satisfied that the filter to achieve the restoration of a ghost image. Platform: |
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Author:toilet |
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Description: 图像复原技术概述。对图像复原技术的概念、起源和发展过程做以概述，
详细介绍了国内外图像复原经典算法和研究现状。由于户外图像的退化与大气
状况密不可分，分析了光在传输的过程中发生散射和衰减的物理过程。为接下
来的图像复原工作提供了理论基础。-Overview of image restoration techniques. The concept of image restoration techniques, the origin and development process in order to do an overview, details of the domestic and international image restoration algorithm and the classic study of the status quo. As the outdoor atmospheric conditions and the degradation of the image are inseparable, analysis of light transmission occurs during the physical process of scattering and attenuation. Work for the next image restoration provides a theoretical basis. Platform: |
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Author:王鹏 |
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Description: 典型的图像复原是根据图像退化的先验知识建立一个退化模型，以此模型为基础，采用各种逆退化处理方法进行恢复，使图像质量得到改善。-The typical image restoration is a degradation model, this model based on a priori knowledge of image degradation, degradation of a variety of inverse approach to recover, so that the image quality is improved. Platform: |
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Author:richard |
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Description: 本文介绍与运动模糊图象恢复有关的基础理论，如图像退化模型，点扩散函数，
恢复过程中的振铃效应，模糊参数获取，给出了图象质量评价的一些常用指标。
-This article describes the motion blur image restoration on the basis of the theory, such as image degradation model, the point spread function, the ringing effect in the recovery process, fuzzy parameters to acquire, given some commonly used indicators in the evaluation of image quality. Platform: |
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Author:王鹏飞 |
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Description: 图像去雾处理程序-In recent years, with digital video monitoring technology is more widely used in the field of public safety, transportation and other requirements of the applicability of the monitoring system also rise. In order to monitor the system still work under poor weather conditions, the project intends to: the use of image enhancement and image restoration technology, image processing for the fog world image degradation characteristics, clear technology under harsh weather conditions and experimental development board in the ARM software means the image went the fog algorithm, to improve the image quality of the fog. Platform: |
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Author:sophia |
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Description: 图像退化模糊图画加高斯噪声，经中值滤波器后恢复；退化图像经维纳滤波器后恢复。中值滤波，维纳滤波复原图像比较-The image degradation fuzzy picture plus Gaussian noise, and recover after a median filter restore the degraded image by the Wiener filter. Median filtering, Wiener filter restoration image Platform: |
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Author: |
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Description: 图像的退化与复原，有两种退化方式和多种复原方式-Image degradation and recovery, there are two degradation modes and a variety of recovery methods Platform: |
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Author:Yao Shuochao |
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Description: 由于大气的散射作用，雾天的大气退化图像具有对比度低、景物不清晰的特点，给交通系统及户外视觉系统的应用带来严重的影响。但由于成像系统聚焦模糊、拍摄场景存在相对运动以及雾天等不利环境，使得最终获取的图像往往无法使用。为了解决这一问题，设计图像复原处理软件。
要求完成功能：
1、 采用直方图均衡化方法增强雾天模糊图像，并比较增强前后的图像和直方图；
2、 查阅文献，分析雾天图像退化因素，设计一种图像复原方法，对比该复原图像与原始图像以及直方图均衡化后的图像；
3、 设计软件界面
-Due to atmospheric scattering, atmospheric fog degraded image with low contrast, the scene is not clear characteristics to the application traffic systems and outdoor vision systems have serious repercussions. However, due to the imaging system focus blur, shooting scenes relative motion and fog and other unfavorable environment in which to obtain the final image is often not available. To solve this problem, the design image restoration processing software.
Required to complete the function:
1, using the histogram equalization method to enhance the image and histogram fog blurred images and compare before and after enhancement
2, literature, foggy image degradation factor analysis, design an image restoration method, compared to the restored image with the original image and the image after histogram equalization
3, the design software interface Platform: |
Size: 125952 |
Author:杨洋 |
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Search - image degradation restoration