How can I incorporate extractHOGFeatures with trainCascadeObjectDetector?
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I've managed to used trainCascadeObjectDetector to detect my object. I am planning to incorporate extractHOGFeatures together with trainCascadeObjectDetector to improve my detection accuracy. May I know does this help to improve the detection? If so, how do I do it?
Dima Lisin on 10 Dec 2015
You cannot use extractHOGFeatures together with trainCascadeObjectDetector. However, you can specify the feature type for trainCascadeObjectDetector to use, and one of the feature types it supports is HOG.
I cannot tell you whether using HOG will improve your accuracy. That mainly depends on the type of objects you are trying to detect. What I can tell you, is that training with HOG features is much faster and takes much less memory.