[图形图像处理] mnist
基于MATLAB编程实现手写数字识别算法，认识手写数字数据集，本实验用到的mnist手写数字数据集训练集包含60000张图片，测试集包含10000张图片。原始图片大小为28*28，去除边缘填充像素后的图片大小为20*20.本程序为基于类中心欧氏距离的手写数字识别程序，可以计算识别算法的准确率和算法执行时间。
The MNIST handwritten numeral data set used in this experiment includes 60000 pictures in the training set and 10000 pictures in the test set. The original image size is 28 * 28, and the image size after removing edge filling pixels is 20 * 20 (2021-04-01, matlab, 25083KB, 下载1次)
[图形图像处理] MATLAB疲劳检测专注度识别GUI用户界面
一、主要研究内容
1.基本内容
本设计目标在于利用Matlab强大的图像处理能力和实用便捷的编程方法，通过处理包含人脸的视频帧系列图像，灰度积分投影技术的眼睛定位方法，进而利用perclos计数，计算眨眼率，从而得到比较准确的疲劳状况。包括lun文初稿撰写。
2.具体要求
本设计基于灰度积分投影技术的眼睛定位方法，再结合perclos技术。首先通过图像预处理技术得到灰度分配较为均匀的图像,然后分别利用水平和垂直灰度积分投影曲线结合人脸的结构特征找到眼睛的位置坐标,实现了准确的眼睛定位,通过perclos技术技术眨眼率，根据先验值得到是否疲劳。
二、算法原理
视频输入——预处理去除非人脸区域——人脸定位——人眼定位（灰度积分投影）——眼睛张合度——perclos技术统计——输出结果
三、GUI界面设计
[需要有一定编程功底]
1. Basic contents
The goal of this design is to use the powerful image processing ability of MATLAB and the practical and convenient programming method, through processing the video frame series images including face, the eye location method of gray integral projection technology, and then using PERCLOS count to calculate the blink rate, so as to get a more accurate fatigue condition. Including the first draft of Lun. (2020-08-07, matlab, 4730KB, 下载51次)
[图形图像处理] MATLAB数字水印DWT+DCT+GUI+攻击+psnr
用Matlab编程实现QR二维码的生成与识别，内含zxing-core-1.7和zxing-j2se-1.7的Zxing开源库，下载下来即可运行使用，无需再去下载相应的Zxing开源库，另外本资源将QR二维码编解码分别封装为函数了，这样使用起来方便。
The generation and recognition of QR QR code is realized by MATLAB programming, which contains the zxing open source library of zxing-core-1.7 and zxing-j2se-1.7. After downloading, it can be used without downloading the corresponding zxing open source library. (2020-04-21, matlab, 20051KB, 下载12次)
[图形图像处理] 车牌识别
汽车牌照自动识别整个处理过程分为预处理、边缘提取、车牌定位、字符分割、字符识别五大模块，其中字符识别过程主要由以下3个部分组成：①正确地分割文字图像区域；②正确的分离单个文字；③正确识别单个字符。用MATLAB软件编程来实现每一个部分,最后识别出汽车牌照。
The whole process of auto license plate recognition can be divided into five modules: preprocessing, edge extraction, license plate location, character segmentation and character recognition, in which the character recognition process is mainly composed of the following 3 parts: (1) correct segmentation of the text image region; (2) correct separation of individual characters; and correct recognition of individual characters. Each part is realized by MATLAB software programming, and finally the vehicle license plate is identified. (2018-06-09, matlab, 706KB, 下载26次)
[图形图像处理] 区域编码和阈值编码实现图像压缩
c++语言或MATLAB编程对256×256的灰度图像进行8×8DCT变换，对变换后的结果进行处理：
采用区域编码和阈值编码方法实现图像压缩，保留 50％ 的系数(区域编码保留前 50%个系数，阈值编码保留 50%的大系数）；
再反变换后，对比原始图像和处理后的图像。
C++ or MATLAB programming performs 8 * 8DCT transform on 256 * 256 grayscale images, processing the transformed results:
The region coding and threshold coding are used to compress the image, and the coefficient of 50% is retained (the first 50% coefficients are reserved for the region code and the large coefficient of the threshold code is retained by 50%).
After inverse transformation, the original image and the processed image are compared. (2018-05-24, matlab, 11KB, 下载15次)
[图形图像处理] （DCT）基于MATLAB数字水印系统设计
数字水印技术作为数字媒体版权保护的有效办法，近年来在国内外引起了人们极大的兴趣。但是由于数字水印技术涉及到的知识面比较广，即使是专业人员有时也感到力不从心，那么如何选择一种有效的编程工具便成为一个亟待解决的问题。
Digital watermarking technology, as an effective way of copyright protection for digital media, has aroused great interest both at home and abroad in recent years. However, because the digital watermarking technology involves a wide range of knowledge, even if the professional staff sometimes feel difficult, how to choose an effective programming tool will become a problem to be solved urgently. (2018-04-25, matlab, 518KB, 下载5次)
[图形图像处理] SRCNN
通过卷积神经网络CNN实现超分辨率重建，利用训练模型实现参数和权重偏移的训练，达到输入低分辨率图像，输出高分辨率图像，测试例程附录。
Convolution neural network CNN to achieve super-resolution reconstruction using a training model parameters and to achieve weight shift training to achieve a low-resolution image input and output high-resolution image, test routine appendix. (2016-10-11, matlab, 3KB, 下载74次)
[图形图像处理] MATLAB
视频中自动抠图功能的实现，实现固定背景下的人体或者物体的自动抠图，并将其与其他图像背景结合。
Video matting achieve automatic function, automatic matting body or object under fixed background, and in combination with other image background. (2014-12-08, matlab, 13KB, 下载108次)
[图形图像处理] 4
为了有效实时地检测高速路段汽车行驶中的流量情况，确保交通安
全等，文中讨论了因汽车高速运动和外界环境噪声干扰所引起的图像失
真，在图像处理终端实现恢复的总体方案。利用deconvwnr 函数，在图像
的频率特征和附加噪声已知的情况下，采用维纳滤波进行因运动模糊引起
的失真图像恢复效果明显。经软件编程仿真，结果表明在设置合理的点扩
散函数的基础上，其效果优于高斯模糊引起的失真图像恢复效果。经过图
像处理终端的设计，可以较好地检测高速路段的车流量情况。
In order to effectively in real-time detection of high-speed road car traffic situation, ensure the traffic safety
(2014-03-22, matlab, 1382KB, 下载11次)
[图形图像处理] LungSeg
肺部CT图片分割提取出肺实质：迭代法获取灰度阈值；二值化图像；分区使用纯M语言编写，各个环节都是自己编程解决，没有用Matlab内置的函数，方便改成其他语言代码。
Lung CT image segmentation to extract the lung parenchyma: iterative methods for grayscale threshold binary image partition using pure M language, are all aspects of their programming to solve, Not using Matlab built-in functions, easy to change code in other languages . (2013-05-24, matlab, 297KB, 下载121次)
[图形图像处理] shuzituxiangchuli
作业一
要求
用C语言或者VC，VB，Matlab或其他语言完成如下实验：
1）打开一个BMP文件
2）将其局部区域的灰度值进行改变
3）另存为一个新的BMP文件
要求显示出原BMP图像和新BMP图像。
作业二
要求
1. 编程实现图像傅立叶高通、低通滤波。
2. 尝试傅立叶压缩。
作业三
要求
编程实现图像DCT高通、低通滤波。并与傅里叶变换比较。
作业四
要求
找一幅曝光不足的灰度（或彩色）图像，按照直方图均衡化方法进行处理。
作业五（一）
要求
打开一幅图像，添加椒盐、高斯噪声，然后使用邻域平均法、中值滤波法、K邻近平均法进行平滑。
作业五（二）
要求
打开一幅图像，利用Roberts梯度法、Sobel算子和拉普拉斯算子进行锐化，并比较结果。
Operating a
Requirements
C or VC, VB, Matlab or any other language, complete the following experiment:
1) Open a BMP file
2) the gray value of its local area change
3) Save as a new BMP file
Requirement that the original BMP images and BMP images.
Task 2
Requirements
A programming image Fourier high-pass, low pass filtering.
Try Fourier compression.
Assignment 3
Requirements
Programming to achieve high-pass, low pass filtering, image DCT. And compared with the Fourier transform.
Fourth Assignment
Requirements
Looking for an exposure less than the gray (or color) image to be processed in accordance with the histogram equalization method.
Assignment 5 (a)
Requirements
Open an image, add salt and pepper, Gaussian noise, and then use the neighborhood average, median filter, K, close to the average method of smoothing.
Assignment 5 (b)
Requirements
Open an image, use the gradient method of Roberts, Sobel operator and Laplacian sharpening, and compare the results. (2012-04-12, matlab, 4089KB, 下载40次)
[图形图像处理] Matlab_MRI_3Dreconstruction
基于Matlab软件编程实现MC算法对人体脑部MRI图像进行面绘制三维重建；利用三维旋转变换和动画函数对脑部图形进行动画显示
Based on Matlab software programming realize MC algorithm on human brain MRI images drawn face 3 d reconstruction Use of 3 d rotation transformation and animation of brain function graph animation display (2012-03-07, matlab, 209KB, 下载283次)
[图形图像处理] ga_segment
采用MATLAB语言编程实现了基于遗传算法的最大熵单阈值、最大熵双阈值、二维最大熵单阈值图像分割和基于最大类间方差遗传算法的图像分割
Through the study of threshold segmentation method and genetic algorithm theory, matlab programming language used to achieve the genetic algorithm based on maximum entropy single threshold, dual-threshold maximum entropy, maximum entropy of two-dimensional single-threshold image segmentation and otsu genetic algorithm for image segmentation. (2012-02-09, matlab, 297KB, 下载184次)
[图形图像处理] GonzalezDigitalImageProcessingMATLABversion
本书在介绍MATLAB编程基础知识之后，主要围绕数字图像处理的主干内容展开。这些内容包括：亮度变换、线性和非线性空间滤波、频率域滤波、图像复原与配准、彩色图像处理、小波、图像数据压缩、形态学图像处理、图像分割、区域和边界的表示与描述以及目标识别。
Book introduces the basics of MATLAB programming, the main focus on the backbone of the contents of digital image processing to start. These elements include: brightness transform, linear and nonlinear spatial filtering, frequency domain filtering, image restoration and registration, color image processing, wavelets, image data compression, morphological image processing, image segmentation, region and boundary representation and description and object recognition. (2010-12-12, matlab, 20064KB, 下载24次)
[图形图像处理] huffman
数字图像处理中的编码技术。本程序对输入的图像进行哈夫曼huffman编码，显示原图像的熵、编码后的平均码字长度、并能够根据编码重建出图像。本程序使用C++混合编程，已经编译生成了Matlab库文件，无需再与C++链接。程序包括源程序和源图像，以及编码后的结果图像。
Encoding digital image processing technology. The procedure of the input image Huffman huffman coding to show the original image entropy, encoded average code length, and be able to reconstruct the image according to encoding. The program uses C++ mixed programming, has compiled a Matlab library files generated, do not need to link with C++. Programs include source code and source images, and encoding the results of the image. (2010-05-31, matlab, 1263KB, 下载210次)
[图形图像处理] ezw(1)
小波分析具有很强的数学背景，因此学好和应用好小波有一定的难度。本文研究的则是小波变换在数字图像处理中的应用，文中介绍了数字图像处理的基本概念和小波变换的基本理论及其在图像处理中的应用技术—Mallat算法，并应用Mallat算法来实现图像小波变换，以及对小波变换后的图像进行嵌入式小波零树系数编码的理论研究。本文在最后对应用Visual C++编程实现其变换进行分析和总结
Mallat algorithm that use the software of VC++ realize of the image wavelet transform. Mallat algorithm is using the wavelet coefficients and the filter of signal processing, so it greatly simplified the computing of wavelet coefficients algorithm. EZW code is the structure which is a simple and effective image coding algorithm with which an encoder can terminate the encoding at any point thereby allowing a target rate or distortion metric to be met exactly. (2010-04-04, matlab, 9KB, 下载13次)
[图形图像处理] 3
对于感兴趣图像的提取是工程中经常用来缩小图像，进一步识别所进行的一个重要环节。而利用图像分割则是一种很有效的方法。本课题要求同学对图像分割原理进行学习，在此基础上利用编程语言进行程序的编写，利用图像阈值分割，水线阈值法等方法进行图像分割，并对不同的增强效果进行比较分析。含程序
Interested in images for the extraction is often used to reduce the project images, and further carried out to identify an important link. The use of image segmentation is a very effective method. Requirements of this subject students learn the principle of image segmentation, on the basis of the programming language to use to prepare for the procedure, the use of image threshold segmentation, such as water threshold image segmentation methods, and enhance the effectiveness of different comparative analysis . With procedures (2009-05-10, matlab, 570KB, 下载5次)
[图形图像处理] LevelSet_ChunmingLi_1.0
一种新的基于snake模型的水平集图像分割方法：用matlab编程实现，可进行灰度图像的分割，里面有演示实例，便于学习。
A new snake model based on the level set image segmentation methods: using matlab programming implementation, can be gray-scale image segmentation, there are demonstration examples for study. (2009-03-16, matlab, 1477KB, 下载324次)
[图形图像处理] Image_Processing(MATLAB)
本书是把图像处理基础理论论述与软件实践方法相结合的第一本书，它集成了冈萨雷斯和伍兹所著的《数字图像处理》一书中的重要内容和MathWorks公司的图像处理工具箱。本书的特色在于它重点强调了怎样通过开发新代码来增强这些软件工具。本书在介绍MATLAB编程基础知识之后，讲述了图像处理的主要内容，具体包括亮度变换、线性和非线性空间滤波、频率域滤波、图像复原与配准、彩色图像处理、小波、图像数据压缩、形态学图像处理、图像分割、区域和边界表示与描述以及对象识别等。
本书主要特点：
本书自成体系；
开发了超过60个新的图像处理函数；
详细涉及了在MATLAB中使用C代码的方法；
提供了114个示例、400多幅图像、150多幅图形和线条图；
书中使用的所有MATLAB函数、图像处理工具箱函数以及新函数，均已在附录中列出；
详细探讨了图形用户界面（GUI）的设计；
本书的配套网站提供全面支持（M文件、图像文件、教辅材料、更新等）。
err (2008-04-18, matlab, 11454KB, 下载1840次)
[图形图像处理] SVD
根据奇异值分解的基本原理及其特点，给出了运羽奇异值分解进行图像压缩的方法．通过简单的例子说明了该方法进行图像压缩的基本过程，给出了压缩流程．并通过MATLAB编程对实际图像进行处理，表明了该方法的有效性．
Singular value decomposition in accordance with the basic principles and characteristics are given plume transported singular value decomposition for image compression method. Through simple examples to illustrate the methods of the basic process of image compression, the compression process is given. Through MATLAB programming deal with the actual images shows the effectiveness of the method. (2008-04-13, matlab, 177KB, 下载211次)