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I have using following code for SURF feature extraction and storing. but i get error every time...plz help to fix it.thank you.

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Regina N 2019-2-8

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评论： Walter Roberson 2019-2-8

采纳的回答： Walter Roberson

在 MATLAB Online 中打开

srcFiles = dir('C:\Users\LENOVO\Desktop\Genuine\1\*.png');  % the folder in which ur images exists
Features = cell(length(srcFiles),1) ;
Valid_points =cell(length(srcFiles),1) ;
for i = 1 : length(srcFiles)
    filename = strcat('C:\Users\LENOVO\Desktop\Genuine\1\',srcFiles(i).name);
    I1 = rgb2gray(imread(filename));
    points1 = detectSURFFeatures(I1);
    [features1, valid_points1] = extractFeatures(I1, points1);
    Features{i} = features1 ;
    Valid_points{i} = valid_points1 ;
    figure; imshow(I1);hold on;
    plot(valid_points1{i}.selectStrongest(10),'showOrientation',true);
end
Features;
Valid_points;

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KSSV 2019-2-8

What is Feature_storing?

Regina N 2019-2-8

Feature_Storing is the name of function that i have created.

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采纳的回答

Walter Roberson 2019-2-8

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https://ww2.mathworks.cn/matlabcentral/answers/443847-i-have-using-following-code-for-surf-feature-extraction-and-storing-but-i-get-error-every-time-pl#answer_360108

remove the {i} in the plot or else change valid_points1 to Valid_points

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Regina N 2019-2-8

Thank you for answering but its not working again show the same error as follow:

Error using Feature_storing (line 13)

Cell contents reference from a non-cell array object.

Walter Roberson 2019-2-8

What is your code for line 13 now?

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