When i was searching in google for openCV’s hand guesture recognition, i found one library which is called HandVu by accident. On its demoes showed on webpage, the functionalities seems indeen powerful, interacting with virtual 3D objects, controlling virtual menu and the most important thing is that it is background independant.
However, i think, openCV’s default functions which are included in its library maybe probably have this abilities. As a result, today i found a openCV function called
-Structure describing a single contour convexity detect
and there is a illustration picture on the side of the instruction like below:http://opencv.willowgarage.com/wiki/CvReference#Gradients.2CEdgesandCorners] So, on the positive side, that means once the hand contour is extracted, it is possible to detect what guesture the hand has. And that, would be a big step of object recognition.
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