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Submission
July 2013
Jaesang Cha, Seoul National Univ. of Science&Tech.
Slide 1
Slide 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: [Object based tracking and interactive function with In-building LED lights]
Date Submitted: [17th July, 2013] Source: [Jaesang Cha*, Soonho Jung* , Dongha Shim*, SangWoon Lee**, Banghyun Kim***, Jintae
Kim****] [Seoul National University of Science & Technology*, Namseoul University**,CUE&WORKS
Inc*** and Fivetek 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: [Object based tracking and interactive lighting with In-building LED lights are introduced.]
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
doc.: IEEE 15-12-045800-0led
Submission
Slide 2
Contents
• What is LED light control system using object tracking?
• Requirement of LED light control system
• LED-based Tracking/Monitoring System
• Object-based interactive function lighting concept
• Experiments Results of the object tracking and lighting control / monitoring systems
• Example of Object based tracking and interactive LED lighting System for In(Out)-building Application
• Conclusion
Jaesang Cha, Seoul National Univ. of Science&Tech
Submission
Slide 3
What is LED light control system using
object tracking?• Object based tracking and LED light control system
- Uses conventional technologies associated with LED, various sensors
- Improves the convergence works of LED light applications (tracking, monitoring, smart lighting, control, etc.)
• Key issue in the object based tracking and LED light control
- 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 Object based applications through object based tracking and monitoring system!
Jaesang Cha, Seoul National Univ. of Science&Tech.
Submission
Slide 4
• Object based services has constraints of FOV : coverage and performance are restricted
• There are possible to seamless service and broad-coverage services through object tracking
LED light based tracking system has the advantages in services-coverage and performance
Jaesang Cha, Seoul National Univ. of Science&Tech.
Requirements of LED light control system
angle
Cover CoverTracking
Submission
Slide 5
LED-based Tracking/Monitoring System• Advantages
Uses existing infra structure(LED lighting, smart devices)
Taking advantages of existing technology and compensates
Variety of applications
High securities, resolution (Accurate detection )
Seamless and user-oriented services
• Weakness
High Complexity
High Costs (because of additional sensors and devices)
Object based Tracking and LED light control system have many advantages. but there are some weaknesses.
Jaesang Cha, Seoul National Univ. of Science&Tech.
Submission
Slide 6
• 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
It can be implemented a seamless lighting service using tracking technology based on sensors (Image, Infrared, Ultrasonic, and etc.)
Jaesang Cha, Seoul National Univ. of Science&Tech.
Object-based interactive lighting concept
object-based Tracking
Submission
Slide 7
• Possibility of seamless service based on LED lighting using object tracking sensor
• Accurate human tracking sensors implemented combining image sensor, ultrasonic sensor and infrared sensor
• A MCU board implemented for the sensors monitoring and control
It can be implemented a seamless lighting service using tracking technology based on various sensors (Image, Infrared, Ultrasonic) and MCU board
Jaesang Cha, Seoul National Univ. of Science&Tech.
Experiments Results of object tracking
Human tracking Human tracking
Delay Control Distance Control
US Sensor
IR Sensor
Image SensorImage Sensor
IR Sensor
US Sensor
Submission
Slide 8
• Basic Object tracking functions are implemented by LED Stage light plus sensors and MCU
LED coverage is expanded the Object tracking using In-building LED light
Jaesang Cha, Seoul National Univ. of Science&Tech.
Experiment Results of the LED Lighting control system
Tracking pattern
※ Equipment support : cue&works inc. in korea
Expanded Coverage
Submission
Slide 9
• It is possible to retain LOS environment through LED light system and object tracking
• LED-based communication has high performance.
Object based system has the high performance similar to LOS environment through object tracking using LED light
Jaesang Cha, Seoul National Univ. of Science&Tech.
Performance of
Object Tracking using LED light
0 2 4 6 8 10 1210
-4
10-3
10-2
10-1
100
SNR(dB)
BE
R
Bit duration(10ns)
Bit duration(20ns)
Bit duration(80ns)
AWGN
0 2 4 6 8 10 1210
-4
10-3
10-2
10-1
100
SNR(dB)
BE
R
Bit duration(10ns)
Bit duration(20ns)
Bit duration(30ns)
AWGN
0 2 4 6 8 10 1210
-4
10-3
10-2
10-1
100
SNR(dB)
BE
R
Bit duration(10ns)
Bit duration(20ns)Bit duration(40ns)
AWGN
<Case A > <Case B > <Case C>
Submission
Slide 10 Jaesang Cha, Seoul National Univ. of Science&Tech.
Example of Lighting Control & Monitoring System
• Web based operation is possible ( even using smart devices)
There are possible to manage LED light based building monitoring using control system based on the web and smart devices
Tracking Algorithm
Submission
Slide 11
• Monitoring and tracking LED positions are experimented for building-management
• Associated technologies : smart device monitoring and alarm, LED tracking, sensing and detection, other sensor
There are possible to manage LED light based Building Monitoring using Object based tracking and sensing/detection technologies
Jaesang Cha, Seoul National Univ. of Science&Tech.
Example 1. Building management system for lighting control
Outdoor Building monitoring Indoor Building monitoring
Submission
Slide 12 Jaesang Cha, Seoul National Univ. of Science&Tech.
Example2. Application of smart devices
• LED tracking and LED states (On-Off, Dimming, color, etc.) were monitored
• IP based Smart Pad Controller(Alarm/Push notification /SNS link etc.) was implemented
• IP based Smart Pad controller for object tracking of LED light was implemented
Submission
Slide 13
Conclusion
- Synergy effects by convergence of various technologies (LED light & communication, monitoring, tracking, smart device, sensor)
- Advantages of the object based tracking & LED light system
- The Object based tracking sensor based LED light and communication function is tested by various implementation.
- More researches are needed for the further development of object light based technologies
Jaesang Cha, Seoul National Univ. of Science&Tech.