September 2015
Intermediate to advanced
266 pages
5h 38m
English
Content preview from Learning OpenCV 3 Computer Vision with Python (Update)Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 5. Detecting and Recognizing Faces
Among the many reasons that make computer vision a fascinating subject is the fact that computer vision makes very futuristic-sounding tasks a reality. One such feature is face detection. OpenCV has a built-in facility to perform face detection, which has virtually infinite applications in the real world in all sorts of contexts, from security to entertainment.
This chapter introduces some of OpenCV's face detection functionalities, along with the data files that define particular types of trackable objects. Specifically, we look at Haar cascade classifiers, which analyze contrast between adjacent image regions to determine whether or not a given image or subimage matches a known type. We consider how ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.