REAL-TIME FIRE DETECTION SYSTEM WHICH EMPLOYS A CLOSED CIRCUIT TELEVISION CAMERA IN WHICH A FIRE DETECTION DEVICE IS INCLUDED INSIDE THE CLOSED CIRCUIT TELEVISION CAMERA AND A METHOD THEREOF

摘要

PURPOSE: A real-time fire detection system which employs a closed circuit television(CCTV) camera and a method thereof are provided to easily detect fire through an image recorded by the CCTV camera without an expansive infrared camera or a central control device.;CONSTITUTION: A fire detection device(200) comprises a sample image acquisition unit(210), a brightness value extraction unit(220), a wavelet conversion part(230), a controller(240), and a transmission unit(260). The sample image acquisition unit acquires a sample image from an original image recorded from a closed circuit television(CCTV) camera. An RGB brightness value is extracted for each pixel from the sample image by the brightness value extraction unit. The wavelet conversion part computes a wavelet brightness value by wavelet-converting the RGB brightness value in order to determine a change value with respect to the boundary of the original image. The controller determines a frequency corresponding to the change value of the computed wavelet brightness value in order to detect fire. The transmission unit transmits fire outbreak information.;COPYRIGHT KIPO 2012