change readme

Author: ippapi

README.md

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 <h2>Contains in our project: Android malware classification with grayscale image representation of android malware approach using KNN</h2>
 <p>Dataset: We are using CIC-AndMal2017 dataset with the sample android malware (not all). Ref: https://www.unb.ca/cic/datasets/andmal2017.html</h2>
 <p>Author: Vũ Thanh Phong, Võ Hoàng Thảo Phương CNTT2022.2</h2>
-#apk_to_img
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