select a subset of images according to the "image name list.txt" that matches a "1" in the "ground truth list.txt"

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riad didou 2020-7-2

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https://ww2.mathworks.cn/matlabcentral/answers/558310-select-a-subset-of-images-according-to-the-image-name-list-txt-that-matches-a-1-in-the-ground-t

编辑： riad didou 2020-7-2

Hi

i have a ground truth list and image names list separately (with the same number of lines); that is means each line "0 or 1" in the ground truth correspond to one image name; i would like to use this information to select all the images (put it in a new folder) from my dataset that matches "1" in the ground truth.

Please, is there any trick to achieve that?

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Answer 1

madhan ravi 2020-7-2

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https://ww2.mathworks.cn/matlabcentral/answers/558310-select-a-subset-of-images-according-to-the-image-name-list-txt-that-matches-a-1-in-the-ground-t#answer_459946

在 MATLAB Online 中打开

c = "image name 1.txt" 
c1 = "ground truth 1.txt"
C = c(regexp(c, '\d*', 'match') == regexp(c1, '\d*', 'match'))

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riad didou 2020-7-2

编辑：riad didou 2020-7-2

Error using regexp

The 'STRING' input must be either a char row vector, a cell array of char row vectors, or a string array.

Error in Untitled (line 6)

C = c(regexp(c, '\d*', 'match') == regexp(c1, '\d*', 'match'));

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select a subset of images according to the "image name list.txt" that matches a "1" in the "ground truth list.txt"

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select a subset of images according to the "image name list.txt" that matches a "1" in the "ground truth list.txt"

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