Pre-requirements Anaconda Creat Anaconda environment with dependent libraries (environment.yml): conda env create -f environment.yml Fold Structure python: python source code webapp: A web portal for viewing, labeling, and validating images; the web application for enhancing programing videos Playlists: Playlists used in our study, which is stored in a local database in format of sqlite3 Videos: Raw videos Images: Images extracted from videos