needgap, create startup ideas by solving problems Submit problems for startups to solve for building startup ideas and creating products which people want. Mon, 23 Nov 2020 08:56:00 +0000 Automatic monitoring of social distance via CCTV #ArtificialIntelligence #SocialDistancing Social Distancing or more accurately Physical Distancing is the key prevent the spread of COVID-19 before a vaccine is made available for everyone on the planet.<div><br></div><div>But since lockdowns cannot continue indefinitely due to economic reasons, countries which were in lockdown are opening up. This brings a new challenge of how to monitor and enforce social distancing when everyone is back on the roads.</div><div><br></div><div>CCTVs would be crucial in monitoring and enforcing social distancing in public places and in workplaces; The manual overhead in doing it is very high, fortunately if there's one thing which AI has proven itself as more capable than human beings it's computer vision.</div><div><br></div><div>But, since average CCTVs don't have depth perception, have different views and people are not in the same plane of axis; judging the distance between two people from video footage is a hard problem. Fortunately, Andrew Ng's company has released a tool to do just this and has released how the procedure works - <a href=""></a>.</div><div><br></div><div>It solves the problem of calculating distance by using homography to get top-down view of the image from video, using a manual calibration tool. Unfortunately, none of this has been open-sourced as of writing and hence a need gap for this to be released as an open-source tool for any govt. or workplace to make use of.</div><div><br></div><div>Such a tool can also be used on open CCTV feeds from Shodan, Insecam to analyse social distancing in countries around the world.</div> 3 points posted by Abishek Muthian /problems/111-automatic-monitoring-of-social-distance-via-cctv-artificialintelligence-socialdistancing 111 Fri, 17 Apr 2020 16:52:00 +0000