http://mss6974 virtual target practice 0306-657-01 marc jabbour - [email protected] mike swanson –...
Post on 21-Dec-2015
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http://www.rit.edu/~mss6974http://www.rit.edu/~mss6974
Virtual Target PracticeVirtual Target Practice0306-657-010306-657-01
Marc Jabbour - [email protected] Jabbour - [email protected] Swanson – [email protected] Swanson – [email protected]
Joe Tucci – [email protected] Tucci – [email protected]
http://www.rit.edu/~mss6974http://www.rit.edu/~mss6974
OutlineOutline
OverviewOverview Operating RangeOperating Range Wireless Gun DesignWireless Gun Design Image ProcessingImage Processing User InterfaceUser Interface System ProceduresSystem Procedures BudgetBudget
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Laser pointer
Trigger mechanism
Battery
RF transmitter
camera
RF reciever
DSP
Video Game
projector
PC
PIC16F688
OverviewOverview
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System DiagramSystem Diagram
UpdateGameProcess Image
Capture Image
Ready to shoot
Laser off
Shot firedLaser on
Wait for trigger release
Laser off
ReloadLaser off
Trigger=1
GunOn=0
GunReload=0
Trigger=0
GunOn=1
GunReload=1
Trigger=1
Trigger=0
Trigger=1
imageCaputred=1imageProcessed=1
imageCapture=0imageProcessed=0Computer Portion
Gun Portion
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Operating RangeOperating Range
We assume that the shooter stands We assume that the shooter stands no further than 20 ft from the screen.no further than 20 ft from the screen.
The projector will be located The projector will be located approximately 5 ft from the projector approximately 5 ft from the projector screen.screen.
The primary concern with this entire The primary concern with this entire project is speed.project is speed.
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Wireless Gun DesignWireless Gun Design
Laser pointerLaser pointer– Class IIIa laser (<5mW)Class IIIa laser (<5mW)
Wireless TransmitterWireless Transmitter– Operates at 433.92MHz rangeOperates at 433.92MHz range– 8kbps using 10mW8kbps using 10mW
Wireless ReceiverWireless Receiver– Baud rates 1200, 2400, and 9600Baud rates 1200, 2400, and 9600
‘A’
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PIC16F688 Micro-controllerPIC16F688 Micro-controller
256 Bytes of EEPROM256 Bytes of EEPROM 256 Bytes of RAM256 Bytes of RAM Clock speed: 31kHz to 8MHzClock speed: 31kHz to 8MHz EUSART which handles EUSART which handles
communication to a serial portcommunication to a serial port Dimensions: 9mm by 20mmDimensions: 9mm by 20mm
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Image ProcessingImage Processing
Philips Philips CCD PC Camera Pixel PlusCCD PC Camera Pixel Plus– Captures video at 640x480Captures video at 640x480– 90 fps90 fps
Captures image from the projector Captures image from the projector screen when trigger is pressedscreen when trigger is pressed
Using Microsoft Visual Studio and Using Microsoft Visual Studio and Intel Open Source Computer VisionIntel Open Source Computer Vision
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Image ProcessingImage Processing
Image of laser point Image of laser point displays white center displays white center when capturedwhen captured
Current algorithm looks Current algorithm looks for red edgesfor red edges
Potential also exists to Potential also exists to look for the white center look for the white center of the laserof the laser
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Image ProcessingImage Processing
Image analyzed as three-dimensional Image analyzed as three-dimensional array of integersarray of integers– [Row][Column][Value][Row][Column][Value]– Value contains {alpha, red, green, blue}Value contains {alpha, red, green, blue}
Use these values to determine colorUse these values to determine color– For example, those four values over 200 For example, those four values over 200
represents a light colorrepresents a light color
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User InterfaceUser Interface
The system consists of two user The system consists of two user interfacesinterfaces– The wireless gun will have a trigger The wireless gun will have a trigger
which the user can pull to shootwhich the user can pull to shoot– The screen will consist of a game The screen will consist of a game
designed to work entirely with the gundesigned to work entirely with the gun
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User Interface (Wireless Gun)User Interface (Wireless Gun)
The gun has a single trigger to fire a The gun has a single trigger to fire a shot.shot.
The user just needs to aim the gun at The user just needs to aim the gun at the screen before taking a shot.the screen before taking a shot.
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User Interface (Game)User Interface (Game)
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User Interface (Game)User Interface (Game)
Written in C++ using the Microsoft Written in C++ using the Microsoft Direct X 9.0 SDKDirect X 9.0 SDK
Designed to run on a Windows XP Designed to run on a Windows XP Computer capable of DirectX 9.0 Computer capable of DirectX 9.0 graphicsgraphics
Features several flying targets, Features several flying targets, varying in size, shape, and colorvarying in size, shape, and color
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http://www.rit.edu/~mss6974http://www.rit.edu/~mss6974
System Initialization- System Initialization- Crash/Recovery ProcedureCrash/Recovery Procedure
If the gun fails to communicate with If the gun fails to communicate with the computer, the gun can be the computer, the gun can be restarted.restarted.
The computer game can be shut The computer game can be shut down using the mouse if the gun is down using the mouse if the gun is unavailable.unavailable.
If the game fails, it can be restarted If the game fails, it can be restarted without any other user intervention.without any other user intervention.
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System IntegrationSystem Integration
This project was designed to have This project was designed to have three distinct elementsthree distinct elements
Any combination of two elements in Any combination of two elements in the system can be integrated before the system can be integrated before the third.the third.– This allows for early integration, if one This allows for early integration, if one
element is taking longer to completeelement is taking longer to complete We will be testing the entire project We will be testing the entire project
incrementallyincrementally
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BudgetBudget
Batteries For Gun:Batteries For Gun: ~ $30~ $30 Plastic Gun:Plastic Gun: ~ $15~ $15 Webcam:Webcam: $84.36$84.36 RF Data Link with Serial OutputRF Data Link with Serial Output $44.99$44.99 RF Data Link TransmitterRF Data Link Transmitter $14.99$14.99 3 PIC16F688 chips3 PIC16F688 chips $3.07$3.07 PIC 2 Start KitPIC 2 Start Kit $49.99$49.99
APPROX TOTAL:APPROX TOTAL: $242.40$242.40
Laser Pointer, Computer, Projector, Projector Laser Pointer, Computer, Projector, Projector Screen will all be provided by group membersScreen will all be provided by group members
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Any Questions?Any Questions?