HTML has a provision for adding a textual description, known as alt text, to media elements in a webpage, such as images and videos. This is useful for improving accessibility of web pages, for display environments that do not support a particular media item, for content searching, etc. The alt text is currently added manually, e.g., by the web page developer or publisher. This is a labor intensive activity and does not work for dynamic media. This disclosure utilizes machine learning techniques to automatically add alt text to media content.
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Feuz, Sandro and Barekatain, Mohammadamin, "Machine-learned alt text for images and videos", Technical Disclosure Commons, (December 19, 2018)