Human beings looking forward to living in a modern and comfortable environment like smart houses. In this study, an effective user-friendly smart home prototype designed with low cost. The prototype has a set of Light Emitting Diode (LED). The LEDs in prototype considered as home appliances and the control (ON/OFF) of the LED depends on recognizing palm and fist hand gestures in real-time video. A palm and fist gestures recognized using a new suggested algorithm to recognize gestures based on the aspect ratio of minor and major axes of the detected hand. The hand is detected based on the Viola-Jones method using positive (hand) and negative (non-hand) image datasets. The location and size of positive images are determined automatically in the newly introduced algorithm using skin colour detection. LEDs in prototype controlled with very fast time, where the response time of LEDs to take action was 0.52 sec.

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