2014-05-05 00:47:35 -0600 | commented question | To detect a person wearing helmet in image Camera position doesn't seems to give the frontal face pose. |
2014-04-30 04:04:21 -0600 | answered a question | To detect a person wearing helmet in image You can use Hough Circle Transform. But the minRadius size and maxRadius size may vary with the images. Its tough to get the accurate result and false detection will be higher. Else there is no such algorithm to detect "Helmet" in particular. |