Batch input for image preprocessing and KNN classification

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Hi everyone, how can I batch input the jpg file for image preprocessing? For my data 029 actually is an image which split into small image and some of the image like 029-119, 029-120 have no crack on it.
Q1: How can i batch input it?
Q2 How can I define it as crack if either one part of the 029 image is crack? Much appreciate.

Accepted Answer

Benjamin Großmann
Benjamin Großmann on 27 May 2021
You could do one of these three things (incomplete list):
  1. Use an imageDatastore object for your image collection and the ReadFcn for preprocessing (might be slow)
  2. Use the preprocessing capabilities of the Deep Learning Toolbox
  3. Write a function that preprocesses a single image given the images file name as function input. Call the function with arrayfun / cellfun and an array / cell array of filenames

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