david moreno mario raushel terence sin caleb wells
DESCRIPTION
reImagine Technologies. David Moreno Mario Raushel Terence Sin Caleb Wells. Contents. Background Requirements Design System Demonstration Team Management and Teamwork Concerns Final Product. Background. Needs - PowerPoint PPT PresentationTRANSCRIPT
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David MorenoMario Raushel
Terence SinCaleb Wells
reImagine Technologies
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ContentsBackgroundRequirementsDesignSystemDemonstrationTeam Management and TeamworkConcernsFinal Product
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BackgroundNeeds
There is a need for users to autonomously create and explore daily photo life logs for both a fun and interesting experience.
ProblemCreate log of your daily movementVisualize day through captured images
GoalThe goal for this project is to create a wearable
camera system capable of recording GPS data that will automatically record the daily life of the user based on a variety of triggers, and organize data.
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RequirementsThe prototype design should cost no more
than $500
The prototype must be battery powered and capable of logging a 12 hour session
The camera unit should not cause any harm to the user or others
The camera should function well both indoors and outdoors
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RequirementsThe GPS should function well in outdoor urban
areas and have a decent failover for loss of signal indoors
The design must be comfortable to wear and lightweight (< 1 lb)
Accompanying software must be easy to use and understand
The camera unit must take good quality pictures (at least 320 x 240 resolution)
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ComponentsGPS
EM-406A SiRF III Receiver
CameraCMUCam3
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ComponentsPower
4AA BatteriesEnclosure
5x2.5x2 Project Box
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Enclosure DesignFinal dimensions: 2.75”x2.5”x1.5”
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Design AlternativesCamera
AVRCamCMUCam2
GPSTrimble CopernicusSiRF II
Enclosure DesignsCustom AcrylicAluminum Project Box
Web ServicesFlickr
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Hardware Design
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CMUCam3 Program Design
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Trigger SettingsTime Delay (Minutes) - The amount of time the
camera must wait between each picture taken
Minimum Distance - The distance a user must travel before another picture is taken.
Scheduler – Times during which pictures should be taken.
Location Halo - The center and radius of a halo where pictures must be taken.
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Software Design
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Team ManagementDavid Moreno
Hardware and CMUCam3 operationsPurchasing
Mario RaushelSoftware design and implementation
Terence SinSoftware and hardware interaction design
Caleb WellsLeaderHardware and GPS operationsEnclosure Design
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Effective Teamwork2-3 meetings each
week to discuss updates and plans
Bi-weekly email communication providing individual progress reports
Team building activities such as meeting at Rudy’s for dinner
Overcame problems as a team
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Societal, Safety, Political, and Environmental AnalysisSocietal Analysis
For privacy concerns the camera must be large enough that others can tell they are being photographed
Safety AnalysisUsed non-conductive enclosureUsed NiMH batteries instead of Li-ION
Political AnalysisEach time the software is run, the user must agree not
to use the device for malicious or illegal reasons.Environmental Analysis
Will be supplied with rechargeable , recyclable batteriesLead free device
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Manufacturability, Sustainability and EconomicsManufacturability
Hardware easily mass producedSoftware easily distributedProgrammed on CMUcam3
SustainabilityAA Batteries can be recharged or replacedInformation synchronized to both computer
and GoogleEconomics
Low bulk material costCMUcam3 is licensed to distributers
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Final ProductBudget
CMUcam3 $239.00EM-406A SiRF III GPS Unit $88.24Enclosure $3.69Battery Pack $1.994x AA Rechargeable Batteries $10.00Epoxy $3.00Various Connectors $6.001Gb SD Card $15.00Total for Unit
$366.92
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Evaluation ResultsTest Runs
Tested Halo, Distance, Schedule in different runs.
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Evaluation Results
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Evaluation Results
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Evaluation ResultsBattery Life
The battery lasted 15 hrs when configured to take a picture every 1 min and 30 sec.
UsabilityHad unfamiliar users test program
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Evaluation ResultsAccuracy Test
MAX 51.327MIN 43.08MEDIAN 45.9835MEAN 46.07655
Max - Min 8.247Max - Mean 5.25045Mean - Min 2.99655
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OverviewBackgroundRequirementsDesignSystemDemonstrationTeam Management and TeamworkConcernsFinal Product
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Any Questions?