Machine Learning using Image Labeler App, Classification Learner App

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Navya Prakash
Navya Prakash 2019-8-15
回答： Drew 2022-10-18
I have a image dataset which has defect data and good data (positive and negative dataset). I have used the Image labeler app for labeling defects and good bounding boxes for my entire dataset. I would like to apply HOG feature extraction on the defect and good labels from the gTruth obtained from the Image labelling session. I also would like to feed in these features extracted to the SVM using Classification learner app.

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Drew
Drew 2022-10-18
Here is an example of how to extract image features using a pretrained network, and then build a classifier with those features:
https://www.mathworks.com/help/deeplearning/ug/extract-image-features-using-pretrained-network.html
When extracting the features, you can substitute HOG instead of the pretrained network: https://www.mathworks.com/help/vision/ref/extracthogfeatures.html
When building the SVM classfier, you can substitute the Classification Learner App instead of using the MATLAB commandline.

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