Surveillance system for a swimming pool drowning accident prevention

摘要

SURVEILLANCE SYSTEM TO AVOID A POOL DROWNING ACCIDENTS HAS detection means (D1, D2, D3) providing, in form of electrical signals, images of bodies submerged in the water of the pool; Digitizing means (10) of images obtained; Compression means (10) NUMERICAL DATA FORMING images; Storage means (11A, 11B) DATA NUMERICOS images in successive instants; Comparison means (12, 13) between the digitalized images of the same body in successive instants; Estimating means (12, 13) NATURE OF THE BODY, THE PATH AND ATTITUDE CHANGES FROM THE FOREGOING SUCCESSIVE IMAGES; And decision means (12, 13) APPROPRIATE MEANS TO ACTIVATE ALARM IN THE EVENT THAT MOVEMENTS paths or HAGAN fear for the observed body.