how to save the segmented region as a separate image?

1 次查看（过去 30 天）
Ad
Ad 2017-10-28
评论： Image Analyst 2022-1-31
I have used the code which I have found in online and divided an image into several segments. I want to extract green parts from the image and store them. I am able to display the segmented image separately with black mask. but I want to display and save the green small segmented region only as a separate image (like 9 separate .jpg images ) without black regions.
This is the code I have found in online
segmented_images = cell(1,3);
rgb_label = repmat(pixel_labels,[1 1 3]);
for k = 1:nColors
color = img;
color(rgb_label ~= k) = 0;
segmented_images{k} = color;
end
Thank you in advance.
  2 个评论
Ad
Ad 2017-10-28
No. That is saving the region with black part. you can see it in greenpart.jpg image. I have used imshow() instead of imwrite().

请先登录，再进行评论。

请先登录，再回答此问题。

采纳的回答

Image Analyst
Image Analyst 2017-11-5
First get the outline, then the bounding box and use imcrop(). Then use imwrite(). Let me know if you can't figure it out.
  7 个评论
显示 5更早的评论
john
john 2022-1-31
编辑：john 2022-1-31
Hello how do I get those things which you mentioned? Outline bounding box then crop? please could you give any reference example which is there in matlab in which this is done? @image analyst
Image Analyst
Image Analyst 2022-1-31
@john
You should click on the "Show older comments" link. Then you'd see
props = regionprops(mask, 'BoundingBox');
croppedImage = imcrop(rgbImage, props.BoundingBox);
save(croppedImage, filename);
If you need more help with your image, post a new question after reading this:
TUTORIAL: How to ask a question (on Answers) and get a fast answer

请先登录，再进行评论。

更多回答（1 个）

r r
r r 2018-8-4
I have a gray set of 20 images I want to convert gray to color and every time I work on the conversion colors vary I want to install the color for all images for example, The area in red color is still red in image1 but change blue in image 2 The problem: the changed the color with repeated 20 images
  1 个评论
Image Analyst
Image Analyst 2018-8-4
I have no idea what you're asking. Please try to rephrase, and attach some screenshots, in a new question (not back here). Basically I think you want to use ind2rgb() and somehow want to change the colormap with each image, though I'm not sure how you're going to decide how to change the colormap each time.

请先登录，再进行评论。

类别

在 Help Center 和 File Exchange 中查找有关 Image Segmentation 的更多信息

标签

产品

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by