MATLAB批量处理图片
时间: 2023-08-30 21:10:58 浏览: 34
MATLAB可以很方便地批量处理图片。以下是一些常见的方法:
1. 使用imread和imwrite函数循环读取和保存多个图片:
```
for i = 1:num_images
img = imread(sprintf('image_%d.jpg', i));
processed_img = my_image_processing_function(img);
imwrite(processed_img, sprintf('processed_image_%d.jpg', i));
end
```
2. 使用imds = imageDatastore(directory)函数创建一个ImageDatastore对象,然后使用read函数循环读取和保存多个图片:
```
imds = imageDatastore(directory);
while hasdata(imds)
img = read(imds);
processed_img = my_image_processing_function(img);
imwrite(processed_img, sprintf('%s_processed.jpg', imds.Files{imds.CurrentFileIndex}));
end
```
3. 使用parfor循环并行处理多个图片:
```
parfor i = 1:num_images
img = imread(sprintf('image_%d.jpg', i));
processed_img = my_image_processing_function(img);
imwrite(processed_img, sprintf('processed_image_%d.jpg', i));
end
```
注意:在使用parfor循环时,需要确保my_image_processing_function函数不会修改任何全局变量,否则会产生并发访问错误。