CHAPTER 6Face Detection and Face Recognition
“Why are there so many shocking results in AI? Because AI is the new electricity.”
—Andrew Ng (American computer scientist)
6.1 Introduction
Face detection and face recognition are probably the most controversial AI technologies and yet are still widely adopted in many areas. With face detection, smart phones and many digital cameras can identify faces while photos and videos are being taken. With face recognition, people can unlock their phones, find and track missing people or criminals, and provide access control in airports and stations. Many of the big companies, such as Facebook, Google, Amazon, Microsoft, IBM, and so on, have worked on their own face recognition technologies. Face recognition has outperformed humans with an accuracy of close to 100 percent in many cases. The main controversies around face recognition are ethical and privacy issues, which will be the research focus for coming years.
Face recognition can be dated back to the 1960s, when Woody Bledsoe, Helen Chan Wolf, and Charles Bisson worked on using the computer to recognize human faces in photographs. In their project, coordinates of the facial features in a photograph had to be established ...
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