Smart street light is a hardware application which makes video
as an input and activate the street lights according to the
input. We use Raspberry Pi as our platform as it is the most
emerging technology. It enables number of modules to be
connected to it through the various ports. A camera connected
to the Raspberry Pi is the element through which we take our
input image. First image will convert to the grey scale image.
Then set a threshold value by using that threshold value,
binarized image is obtained. On applying contour mapping
extract the object from background. Then find the area of that
object, eliminate small area object. This module is connected
to the hardware section of streetlights with a datamodem for
controlling their status. Temperature, Gas sensor, LDR and
button are given as input to the raspberry pi. The smart street
light will work only when there is darkness .For ensuring this;
we use LDR to measure the intensity of light. Button is
provided for the public to inform the control department about
the failure of any streetlight. A critical value is setup in the
sensors, if the value exceeds beyond it a message is send to the
corresponding authority via GSM module.