Image processing is an important research direction in the field of computer vision. MATLAB is a powerful mathematical calculation software that can be used for image processing and analysis. Below are some simple MATLAB image processing code examples, including image enhancement, edge detection, morphological processing, feature extraction, etc.
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1. Image Enhancement
Image enhancement refers to making certain features of the image more prominent through some technical means, so as to achieve the purpose of improving image quality. There are many image enhancement functions and toolboxes in MATLAB, such as histogram equalization, contrast enhancement, brightness adjustment, etc.
% 直方图均衡化
img = imread('image.jpg');
img_eq = histeq(img);
imshow(img_eq);
title('直方图均衡化');
% 对比度增强
img = imread('image.jpg');
img_eq = imadjust(img, [0.5 0.5], [0.5 0.5]);
imshow(img_eq);
title('对比度增强');
% 亮度调整
img = imread('image.jpg');
img_eq = imadjust(img, [0.5 0.5], [0.5 0.5], [0.5 0.5]);
imshow(img_eq);
title('亮度调整');
2. Edge detection
Edge detection refers to the detection of edges in an image, that is, areas with large brightness changes in the image. There are many edge detection functions and toolboxes in MATLAB, such as edge(), edgeprop(), etc.
% 边缘检测
img = imread('image.jpg');
edges = edge(img);
imshow(edges);
title('边缘检测');
3. Morphological Processing
Morphological processing refers to performing some operations on the image, such as opening operation, closing operation, expansion, erosion, etc., in order to achieve the purpose of improving image quality. There are many functions and toolboxes for morphological processing in MATLAB, such as morphology(), edge(), edgeprop(), etc.
% 开运算
img = imread('image.jpg');
kernel = strel('disk', 3);
img_bw = imopen(img, kernel);
imshow(img_bw);
title('开运算');
% 闭运算
img = imread('image.jpg');
kernel = strel('disk', 3);
img_bw = imclose(img, kernel);
imshow(img_bw);
title('闭运算');
% 膨胀
img = imread('image.jpg');
kernel = strel('disk', 3);
img_bw = imdilate(img, kernel);
imshow(img_bw);
title('膨胀');
% 腐蚀
img = imread('image.jpg');
kernel = strel('disk', 3);
img_bw = imerode(img, kernel);
imshow(img_bw);
title('腐蚀');
4. Feature extraction
Feature extraction refers to extracting useful features from images for further analysis and processing. There are many feature extraction functions and toolboxes in MATLAB, such as SIFT(), SURF(), ORB(), etc.
% SIFT特征提取
img = imread('image.jpg');
keypoints = detectSI
5. Complete simulation source code download
Matlab simulation based on kmeans clustering segmentation image, number of clusters + GUI operation interface (complete code + documentation + data):
https://download.csdn.net/download/m0_62143653/87626287
Matlab simulation graduation project based on image defogging processing system Retinex algorithm + GUI operation interface (complete code + description document + subject document + data): https://download.csdn.net/download/m0_62143653/87620050
Matlab simulation graduation project based on image defogging processing system + GUI operation interface (complete code + description document + project document + data): https://download.csdn.net/download/m0_62143653/87620048
Matlab simulation based on image defogging processing + GUI operation interface (complete code + documentation + project report + data): https://download.csdn.net/download/m0_62143653/87620043
Matlab simulation based on image processing + GUI operation interface (complete code + documentation + data): https://download.csdn.net/download/m0_62143653/87620039
Matlab simulation based on digital image processing system + GUI operation interface (complete code + documentation + data): https://download.csdn.net/download/m0_62143653/87620033
Matlab simulation based on video image defogging processing system + GUI operation interface (complete code + documentation + data): https://download.csdn.net/download/m0_62143653/87620032
Python simulation of pixel attention mechanism based on image deblurring model (complete source code + documentation + data): https://download.csdn.net/download/m0_62143653/87618399
Python simulation of various image attention modules based on tensorflow2-image attention mechanism (complete source code + data): https://download.csdn.net/download/m0_62143653/87618397
Python simulation of image denoising based on genetic algorithm (complete source code + data): https://download.csdn.net/download/m0_62143653/87618375
Matlab simulation based on wavelet denoising transformation image stitching technology + GUI interface (complete source code + documentation + data): https://download.csdn.net/download/m0_62143653/87618373
Matlab simulation based on image denoising effect evaluation index (complete source code + data): https://download.csdn.net/download/m0_62143653/87618371
C++ simulation of high noise image denoising based on non-local mean image denoising Non-Local Means algorithm (complete source code + documentation + data): https://download.csdn.net/download/m0_62143653/87618367
Matlab simulation of DnCNN image denoising algorithm based on traditional image denoising algorithm and deep convolutional neural network (complete source code + documentation + data): https://download.csdn.net/download/m0_62143653/87618365
Image deraining, deblurring and denoising based on Python (complete source code + data): https://download.csdn.net/download/m0_62143653/87618359
Matlab simulation based on image recognition (complete source code + data): https://download.csdn.net/download/m0_62143653/87618355
Python simulation of digital image fitting based on genetic algorithm (complete source code + data): https://download.csdn.net/download/m0_62143653/87618350
Matlab simulation based on two-dimensional matrix to find peaks and draw three-dimensional images (complete source code + data): https://download.csdn.net/download/m0_62143653/87615060
Matlab simulation based on image processing (complete source code + documentation + data): https://download.csdn.net/download/m0_62143653/87615057
Matlab simulation based on image capture and drawing (complete source code + documentation + data): https://download.csdn.net/download/m0_62143653/87615054
Matlab simulation based on digital image processing (complete source code + documentation + data): https://download.csdn.net/download/m0_62143653/87615052