Progress in computer picture recognition
Several years ago, I posted:
Although searching text-based material requires some clever programming to be really efficient, at least the basic material is just the text itself. Searching graphics is an entirely different ball game. Given a lot of photos, for example, how does a computer determine which pictures contain apples? If the titles all contain the word “apple” that is one thing. But suppose the title says, “A nice snack”, or “Eat one of these every day for health”. Or suppose the picture has nothing to do with apples but is a photo of somebody’s darling child and is called, “The apple of my eye.”
As video and pictures have become more and more prevalent on the Web, finding ways to search images has been under intensive study. ScienceDaily reports on some recent developments:
People find it very easy to recognise a face, even under very different circumstances. For a computer, on the other hand, it is extremely difficult. Dutch researcher Laurens van der Maaten has developed a new analytical technique which enables the computer to better interpret the content of photos and images, but also of data.
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