Xiva - The automatic "chuck" detector

Arun Manohar and AV Varun, two aerospace engineering students from IIT Chennai, have designed an image-based flex detection system (they call it 'Xiva') that alerts an umpire when a bowler bends his bowling elbow at an angle greater than 15 degrees or `chucks'.
A camera is placed in line with the bowler's crease to capture his action. The frame capturing the release of the ball is chosen, filtering the unnecessary background. Flex angle can be measured by drawing straight lines from the located hand. The flex angle criterion will decide the chuck.

It is not a thoroughly finished product yet, but Varun and Arun seem to be keen on sending a proposal to the BCCI once its error rate gets reduced. Irrespective of whether BCCI/ICC buys into the concept, it should be atleast useful for coaches at various youth-academies to catch faulty actions of young bowlers.

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