how to detect areas within a binary image with vision.BlobAnalysis ?
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Hello,
someone could tell me why the following code written as a script gives me, in the Command windows, the error "Unable to resolve the name vision.BlobAnalysis.".
% BW = im2bw(I,level) is a binary image
hBlobAnalysis = vision.BlobAnalysis('MinimumBlobArea',2, 'MaximumBlobArea',50);
[objArea,objCentroid,bboxOut] = step(hBlobAnalysis,BW);
and what to modify / correct to detect more areas within a binary image.
Thanks
Marco
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回答 (2 件)
Tarunbir Gambhir
2021 年 5 月 25 日
Can you check if you have the Computer Vision Toolbox installed with your MATLAB software. You can execute the following command to do so
ver vision
Alternatively you can also check whether your account has License for Computer Vision Toolbox or not by checking the License Centre.
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Image Analyst
2021 年 5 月 25 日
You can do blob analysis with the Image Processing Toolbox, which is much more common than the Computer Vision Toolbox. You can use the regionprops() function. See my Image Segmentation Tutorial in my File Exchange for a full demo.
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