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Questions tagged [one-class-classification]

34 questions
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In Python sklearn.svm.OneClassSvm, how to calculate ROC and AUC only with predicted label and real label?

I am using Python 3.6,sklearn.svm.OneClassSVM to practice OSVM and I want to calculate ROC, AUC. I have used decision_function() to calculate ROC and AUC ,the code is below. I want to evaluate the value that I calculate by decision_function. Can I…
Tina
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One class classification for images

Say You have thousands of images of cat, like this: (https://web.archive.org/web/20150703060412/http://137.189.35.203/WebUI/CatDatabase/catData.html). You wish to build a system that can look at a image and say - if the image is that of cat or not.…
Anuj Gupta
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Deep Learning One Class Anomaly Detection

I have built a one class anomaly detection deep learning model and I am training it on one class red-blood cell images. I have calculated a threshold that will be able to differentiate between anomalous and normal images but for some reason it…
Mufasatoday
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Combining Two Classification Models

I'm new with machine learning, I have labeled data with 0 for normal and 1 for attack, The idea is like this: I want to build a model that apply DT in the first level. The output from DT will be Either Normal or attack. Firstly if the data…
M.Python
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