In depth: How machine learning and image recognition could revolutionise search

IntroductionText in documents is easy to search, but there's a lot of information in other formats. Voice recognition turns audio – and video soundtracks – into text you can index and search. But what about the video itself, or other images?Searching for images on the web would be a lot more accurate if instead of just looking for text on the page or in the caption that suggests a picture is relevant, the search engine could actually recognise what was in the picture. Thanks to machine learn