THE INTELLIGENT WINDSHIELD WIPER SYSTEM

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Presentation transcript:

THE INTELLIGENT WINDSHIELD WIPER SYSTEM International Conference on Advances in ICT for Emerging Regions ICTer2016 By: Deepesh Chathuranga Jayasekara

Problem Definition Precipitation of dust on the windshield hinders the vision of the driver. 01st - 02nd September 2016 International Conference on Advances in ICT for Emerging Regions ICTer2016

which autonomously eliminate the problem ! There is NO such ‘Smart Wiper System’ At present which autonomously eliminate the problem ! 01st - 02nd September 2016 International Conference on Advances in ICT for Emerging Regions ICTer2016

Problem Identification Interviews Survey Results 96% 01st - 02nd September 2016 International Conference on Advances in ICT for Emerging Regions ICTer2016

Are these Smart Wiper Systems, 01st - 02nd September 2016 International Conference on Advances in ICT for Emerging Regions ICTer2016

Issues? Optical rain sensors! Sensing areas is relatively small when compared to the windshield Take decisions using very limited data Incapable of detecting water drops which could only be in line of sight of the driver Operates even when there is only a small amount of rain drops and if there is dust, it damages the windshield and wiper blades Detects RAIN only 01st - 02nd September 2016 International Conference on Advances in ICT for Emerging Regions ICTer2016

Other Methods? Capacitive Sensors Inductive Sensors Piezoelectric Sensors Above sensing techniques cannot be utilized to detect both rain and dust simultaneously. 01st - 02nd September 2016 International Conference on Advances in ICT for Emerging Regions ICTer2016

Solution? The Intelligent Windshield Wiper System 01st - 02nd September 2016 International Conference on Advances in ICT for Emerging Regions ICTer2016

Brief … The Intelligent Windshield Wiper System is based on computer vision Comprises of a high end single board computing platform, a Raspberry Pi Integrates with a high definition camera module to perform digital image processing The System simultaneously monitors the level of dust precipitation and the precipitation of rain drops, operating the washers and the wipers autonomously 01st - 02nd September 2016 International Conference on Advances in ICT for Emerging Regions ICTer2016

Results Overall, the image processing algorithms successfully distinguished: Images with dust precipitation Clear images Images with rain drops 01st - 02nd September 2016 International Conference on Advances in ICT for Emerging Regions ICTer2016

Rain Drops Detection Before and after image processing The red dots represent the geometric centers of a detected raindrop 01st - 02nd September 2016 International Conference on Advances in ICT for Emerging Regions ICTer2016

Dust detection; Before and after image processing Dust layer of the captured image was filtered and HSI values were compared 01st - 02nd September 2016 International Conference on Advances in ICT for Emerging Regions ICTer2016

Algorithm 01st - 02nd September 2016 International Conference on Advances in ICT for Emerging Regions ICTer2016

Problems Faced The main problem encountered during the experiments was in the Raspberry Pi camera module Fixed focus camera Captured sharp background images To mitigate this problem the camera should have: Wider apertures Closer focusing distance to obtain a shallow depth of field 01st - 02nd September 2016 International Conference on Advances in ICT for Emerging Regions ICTer2016

Questions? 01st - 02nd September 2016 International Conference on Advances in ICT for Emerging Regions ICTer2016