Title
Energy saving of TV by face detection
Abstract
A major part of electric power is supplied by thermal power stations, which emit carbon dioxide (CO2) while generating electricity. Today, since we consume a lot of electricity, we are threatened by environmental problems including global warming. One of the key points for solving these problems is developing energy-saving appliances. Televisions, which are widely used in the home, can achieve energy savings by reducing the brightness of the screen. However, unless a user adjusts it, the TV maintains the same brightness. Furthermore, we tend to watch TV while doing other activities such as using a computer or reading a book. This means that when we do something else, we often do not look at the TV. In this article, an energy-saving TV system based on the recognition of users' faces is proposed. This system recognizes the face direction of the TV user and when the user is not looking at the TV, the system will reduce the brightness automatically. On the other hand, when the system detects users' attention to the TV, the brightness will increase. To develop the prototype of this system, the face detection program OpenCV is used. A hand-made signal transmitter and signal receiver were also used to change the brightness of the TV. As a result of an experiment with the prototype system, we could confirm a 30% reduction of the TV's watt-hours.
Year
DOI
Venue
2008
10.1145/1389586.1389693
PETRA
Keywords
Field
DocType
electric power,energy-saving tv system,tv user,energy saving,face direction,energy-saving appliance,system detects user,signal receiver,prototype system,hand-made signal transmitter,face detection program opencv,carbon dioxide,tv,face detection,global warming
Thermal power station,Electric power,Transmitter,Telecommunications,Computer science,Simulation,Electricity,Face detection,Electricity generation,Brightness
Conference
Citations 
PageRank 
References 
1
0.39
1
Authors
3
Name
Order
Citations
PageRank
Ryo Ariizumi1115.18
Shigeo Kaneda26926.85
Hirohide Haga3247.34