How to use Mask the Source image in vision.AlphaBlender?
13 ビュー (過去 30 日間)
古いコメントを表示
I tried using this as suggested in Mathworks help but its showing error. Halphablender=vision.AlphaBlender('MaskSource','Input port','Mask','BinaryMask','LocationSource', 'Input port'); Its displaying The MaskSource property is not relevant in this configuration of the System object. Can someone please help me with this problem
0 件のコメント
採用された回答
Clive Fox
2016 年 11 月 2 日
編集済み: Walter Roberson
2017 年 6 月 22 日
I had the same issue but MAthwork Tech gave the answer below:
Thank you for contacting MathWorks Technical Support.
The issue you are facing is because to use the variable 'mask', it has to be defined previously. Executing the following commands demonstrates the role of the mask parameter:
>> % load images
>> I1 = im2single(imread('blobs.png'));
>> I2 = im2single(imread('circles.png'));
>> % plot original images
>> figure
>> subplot(1,2,1);
>> imshow(I1);
>> subplot(1,2,2);
>> imshow(I2);
>> % full mask
>> halphablend = vision.AlphaBlender('Operation', 'Binary mask', 'MaskSource', 'Input port');
>> mask = ones(size(I2));
>> J1 = step(halphablend, I1, I2, mask);
>> % upper left corner of the mask is set to 0s
>> mask(1:end/2,1:end/2) = 0;
>> J2 = step(halphablend, I1, I2, mask);
>> % plot
>> figure;
>> imshow(J1);
>> figure;
>> imshow(J2);
2 件のコメント
cui,xingxing
2022 年 9 月 17 日
The above example program should be integrated into the official documentation, however the official documentation for the vision.AlphaBlender function example is too sketchy and should be replaced.
その他の回答 (1 件)
Muhammad Danish
2019 年 1 月 8 日
Still showing error known as
Error using AlphaBlender/step
The Mask input must be a vector or a matrix.
0 件のコメント
参考
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!