how to save scatter plot of each row as image for image classification

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Med Future 2022-3-4

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1663309-how-to-save-scatter-plot-of-each-row-as-image-for-image-classification

评论： Med Future 2022-3-10

saveddata.mat

Hello Everyone, I hope you are doing well.

i have the following data of shape 100x1000.

each row has 1000 samples

i want save scatter plot of each row as image to train image classification network How can i do that?

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Image Analyst 2022-3-9

在 MATLAB Online 中打开

saveddata.mat

OK, explain what I'm looking at here. How does this data relate to images? Why is the value the same for all columns and what does the value mean? What do the rows and columns represent? Is a column for each image, and the rows are the vector of values that you'd like to predict for each image? Probably not since all columns are the same so the predicted value would not change if you changed the image.

s = load('saveddata.mat')
data = s.fixedclass;
subplot(2, 1, 1);
imshow(data, []);
impixelinfo;
title('Data in Mat file')
subplot(2, 1, 2);
plot(data(:, 1), 'b.-', 'LineWidth', 2);
grid on;
title('First Column')
xlabel('Row');
ylabel('Value')

Med Future 2022-3-9

@Image Analyst Each row has constant value , means it belongs to one class

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回答（1 个）

KSSV 2022-3-4

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1663309-how-to-save-scatter-plot-of-each-row-as-image-for-image-classification#answer_909489

在 MATLAB Online 中打开

load('saveddata.mat') ;
for i = 1:100
    plot(fixedclass(i,:),'.')
    drawnow
    filename = [num2str(fixedclass(i,1)),'.png'] ; 
    saveas(gcf,filename)
   
end