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November 2012
Slide 1Slide 1
Project: IEEE 802.15 LED(Light Emitting Diode) Interest Group (IG-LED)Project: IEEE 802.15 LED(Light Emitting Diode) Interest Group (IG-LED)
Submission Title: [LED-based Tracking and Monitoring Technologies]
Date Submitted: [November, 2012] Source: [Jaesang Cha, Daeho Kim, Yeong Min Jang, Seunghyong Rhee, Sunghwa Lee, Jintae Kim,
Jaekwon Shin, Taejoon Park] [Seoul National Univ. of Science & Technology, Kookmin Univ., Kwangwoon Univ., Cheju
Halla Univ., R&D center of Fivetek Co., Sangrim Eng Co. LTD ]
Address : [Seoul National University of Science & Technology, Seoul, Korea]Voice: [82-2-970-6431], FAX: [82-2-970-6123], E-Mail:[[email protected]]
Re: []
Abstract: [LED-based tracking and monitoring techniques are introduced in the presentation.]
Purpose: [Contribution to IEEE 802.15 IG-LED]
Notice: This document has been prepared to assist the IEEE 802.15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein.
Release: The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by IEEE 802.15
Jaesang Cha, Seoul National Univ. of Science&Tech.
doc.: IEEE 15-12-0637-00-0led
Submission
Slide 2
Contents
• What is LED-based Tracking/Monitoring?
• LED-based Tracking/Monitoring System
• LED-based Tracking Applications
- LED Tracking using dynamic type LED
- LED-based Seamless Service
• LED-based Monitoring Applications
- LED-based Building Monitoring
- Monitoring Application using Smart Devices
• Conclusion
Jaesang Cha, Seoul National Univ. of Science&Tech.
November 2012 doc.: IEEE 15-12-0637-00-0led
Submission
Slide 3
What is LED-based Tracking/Monitoring?
• LED-based tracking and monitoring system
- Uses conventional technologies associated with LED, various sensors
- Improves the efficiency of LED-based services and applications (tracking, monitoring, smart lighting, control, etc.)
• Key issue in the LED-based tracking and monitoring
- Monitoring and control technologies using smart devices
- Image processing technologies for the tracking and detection
- Hybrid technologies for the various applications
Improves the efficiency of LED-based applications through LED-based tracking and monitoring system!
Jaesang Cha, Seoul National Univ. of Science&Tech.
November 2012 doc.: IEEE 15-12-0637-00-0led
Submission
Slide 4
LED-based Tracking/Monitoring System• Advantages
Uses existing infra structure(LED lighting, smart devices)
Highlights advantages of existing technology and compensates weakness
Variety of applications
New solutions of High-securities, resolution (Accurate detection )
Possible to provide seamless and user-oriented services
• Weakness
High Complexity
High Cost by using Various sensor and devices
LED-based Tracking/Monitoring system has many advantages, yet it also has some weakness. Essential to consider trade-off in the system!
Jaesang Cha, Seoul National Univ. of Science&Tech.
November 2012 doc.: IEEE 15-12-0637-00-0led
Submission
Slide 5
• LED-based services has constraints of FOV : coverage and performance are restricted
• By using dynamic type LED based on tracking, both seamless service and broad-coverage services are possible
LED-based Tracking system has the advantages in services-coverage and performance
Jaesang Cha, Seoul National Univ. of Science&Tech.
LED-based Tracking Applications(LED Tracking using dynamic type LED)
angle
Cover CoverTracking
November 2012 doc.: IEEE 15-12-0637-00-0led
Submission
Slide 6
• Essential Devices : control server, MCU board, dynamic type motor, LED control Driver,motor control driver, LED light, object tracking sensor
• By using dynamic type LED based on tracking, both seamless service and broad-coverage services are possible
Has the expanded coverage through the LED tracking using dynamic type LED
Jaesang Cha, Seoul National Univ. of Science&Tech.
Examples for LED Tracknig using dynamic type LED
Tracking pattern
※ Equipment support : cue&works inc. in korea
Expanded Coverage
November 2012 doc.: IEEE 15-12-0637-00-0led
Submission
Slide 7
• Possible to retain the LOS environment by using LED tracking using dynamic type LED
• Has a high performance in the LED-based communication.
Has the high performance similar to LOS environment through the LED tracking using dynamic type LED
Jaesang Cha, Seoul National Univ. of Science&Tech.
Performance Improvement through LED Tracknig using dynamic type LED
0 2 4 6 8 10 1210
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<Case A > <Case B > <Case C>
November 2012 doc.: IEEE 15-12-0637-00-0led
Submission
Slide 8
• It is possible to provide a seamless service based on LED lighting using object tracking technology
• Sensors for object tracking : image sensor, ultrasonic sensor, infrared sensor, RF sensor, etc.
• Additionally, lighting and dimming control is possible by control of R, G, B components
A seamless lighting service can be implemented using tracking technology based on sensors (Image, Infrared, Ultrasonic, etc.)
Jaesang Cha, Seoul National Univ. of Science&Tech.
LED-based Tracking Applications(LED-based Seamless Services)
LED-based Tracking
November 2012 doc.: IEEE 15-12-0637-00-0led
Submission
Slide 9
• Possible to provide a seamless service based on LED lighting using object tracking sensor
• Used Sensors for object tracking : image sensor, ultrasonic sensor, infrared sensor
• On-Off of LED light is intelligently controlled by MCU board connected with various sensor
A seamless lighting service can be implemented using tracking technology based on various sensors (Image, Infrared, Ultrasonic) and MCU board
Jaesang Cha, Seoul National Univ. of Science&Tech.
Examples for LED-based Seamless Services
Human tracking Human tracking
Delay Control Distance Control
US Sensor
IR Sensor
Image SensorImage Sensor
IR Sensor
US Sensor
November 2012 doc.: IEEE 15-12-0637-00-0led
Submission
Slide 10
• By monitoring and tracking the LED position, efficiency and security has improved in building management
• Associated technologies : smart device monitoring and alarm, LED tracking, sensing and detection, other sensor
LED-based Building Monitoring grid is possible by using LED-based tracking and sensing/detection technologies
Jaesang Cha, Seoul National Univ. of Science&Tech.
LED-based Monitoring Applications(LED-based Building Monitoring)
Outdoor Building monitoring Indoor Building monitoring
November 2012 doc.: IEEE 15-12-0637-00-0led
Submission
Slide 11 Jaesang Cha, Seoul National Univ. of Science&Tech.
LED-based Monitoring Applications(Monitoring Application using Smart Devices)
• Be composed based on web for the access of smart device
• By using smart devices, Monitoring and LED control is possible
• Separated devices for monitoring are not necessary
• Monitoring is simply possible using a smart device’s applications
User can be provided to monitoring service by simply accessing the web server using the smart device.
Tracking Algorithm
November 2012 doc.: IEEE 15-12-0637-00-0led
Submission
Slide 12 Jaesang Cha, Seoul National Univ. of Science&Tech.
Examples for Monitoring Application using Smart Devices
• Can monitor the LED tracking result and LED states(On-Off, Dimming, color, etc.)
• Can control the LED light(R,G,B / dimming) and angle
• Possible to converge other smart service : alarm, push message, social network service
User can be provided with monitoring and LED control services by simply accessing the web server using the smart device.
November 2012 doc.: IEEE 15-12-0637-00-0led
Submission
Slide 13
Conclusion
- Synergy from the convergence of various technologies (LED, monitoring, tracking, smart device, sensor)
- Various advantages of the LED-based tracking & monitoring system
- Trade-offs in the design of the LED-based tracking & monitoring
- The LED-based tracking & monitoring system is possible to have high-efficiency, high-performance and high-coverage
- More researches are needed for the further development of LED-based technologies
Jaesang Cha, Seoul National Univ. of Science&Tech.
November 2012 doc.: IEEE 15-12-0637-00-0led
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