a short discussion on high resolution cameras
DESCRIPTION
VICON A&E SUMMIT ‘09. A Short Discussion on High Resolution Cameras. Understand new terms and technology Discuss megapixel camera benefits Discuss megapixel camera trade-offs Overview of new Vicon products Look at possible product applications. Goals. Pixel PIC ture EL ement - PowerPoint PPT PresentationTRANSCRIPT
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A Short Discussion on High Resolution Cameras
VICON A&E SUMMIT ‘09
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Goals
• Understand new terms and technology
• Discuss megapixel camera benefits
• Discuss megapixel camera trade-offs
• Overview of new Vicon products
• Look at possible product applications
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Mega Terms
• Pixel PICture ELement
• Pixel count, expressed as megapixels
• Pixels Per Foot
• Progressive scan
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VICON A&E SUMMIT ORLANDO, FLORIDA JAN. 25-27, 2009
Megapixel Cameras
• Four Major Benefits – Higher definition = greater detail
– More coverage with fewer cameras
– Different aspect ratio = higher efficiency
– Progressive scan = stable picture
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Higher Definition = Greater Detail
• Live Viewing
• After the Fact
• Multi Views
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Fewer Cameras with Greater Detail
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Fewer Cameras with More Detail
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Resolution Relationship
1289 X 1024 VGA 1.3 MP
720 X 480 VGA
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Different Aspect Ratio = Higher Efficiency
• Record the picture that is needed
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Interlaced Scan vs. Progressive Scan
• Interlaced Scan
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Megapixel Trade-Offs
• Greater bandwidth and storage requirements
• Four or more times greater
– But … a 3 MP camera can replace up to 3 standard cameras
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Megapixel Trade-Offs
• Smaller pixels are normally less light sensitive
• PixelsPicture Element
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New Camera; New Lens
• Lens Quality
•Optics true to the edges
• Chip/ Lens Alignment
• Back focus
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Facts about lenses
• Most sellers of mega pixel cameras are selling “pixels” not image quality*– Standard Lenses are made for 489 TV Lines– Lens quality needs to equal camera quality
Les Simmonds
Security Electronics Magazine
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Pixels Per Foot: It’s all about the details• Two ways to get detail.
1.Get the camera closer 1. Bigger lens / Move the camera
2.Collect more data.
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How Many Pixels Are Needed?
Monitoring 20 PPFRecognition 40 PPFIdentification 60 PPFDetail 80 PPF
You be the judge…
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License Plate Recognition
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How the Viewer Sees It
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Recognize and ID People
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Viewing Detail
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Crunching the NumbersCoverage at Resolution: Horizontal Feet Horizontal meters
NamePixels (H)
Pixels (V)
Megapixel Rating
General
Forensic
HighGeneral
Forensic
High
CIF 320 240 0.1 16 8 3 5 2 1
VGA 640 480 0.3 32 16 6 10 5 2
WVGA 752 480 0.4 38 19 9 12 6 3
SXGA 1280 1024 1.3 64 32 16 19 10 5
UXGA 1600 1200 1.9 80 40 20 24 12 6
QXGA 2048 1536 3.1 102 51 26 31 15 8
QSXGA 2560 2048 5.2 128 64 32 39 19 10
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• Conventional box
• Indoor dome
• Indoor cube
• Outdoor dome
• Outdoor integrated with I/R
Megapixel Camera Line
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I-ONYX Megapixel Cameras: Common Features
Resolution640 X 480 to 1280 X 1024
Frame Rate
2-30 FPSDependin
g on Resolutio
nPower12 VDC
Supplied or
POE
Lens Included
Compression
MJPEGOr
MPEG 4
Progressive Scan
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I-ONYX MP-950
• f4.2mm / F1.8 megapixel lens
• 0.5 Lux at F1.8
• Integrated Mount
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• Indoor dome camera
• Lens Included 4.2 mm
I-ONYX MPD-955
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• Outdoor vandal-proof with IP66 protection
• Day and night function with mechanical IR cut filter
• Integrated f3.3~12 mm / F1.6 megapixel lens
• 0.05 Lux at F1.0
• Surface, flush and wall mount supported
I-ONYX MPD-955DN-O
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• Day and night function with Mechanical IR Cut Filter
• Integrated f3.3~12mm / F1.4 Megapixel lens
• IP66 weatherproof
• 12 VDC or 24 VAC (POE)
• Use V814 AWM Mount
I-ONYX MP-955IR
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• Vicon 1.3 Mega Pixel Cameras– Three times higher resolution– View larger areas– MJPEG or MPEG 4 compression– 2-8 FPS In Megapixel mode– Progressive scan– POE– Currently electronic iris only– The PTZ and fixed zoom lens is not
dead.
Bottom Line
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IP Cameras and License Issues
• If all your product is software you have to charge for usage…..Camera License $$$$
• The Vicon plan– License Software (open platform)– Vicon cameras….no license– Third Party IP cameras license fee charged
– ONLY ONCE! It is reusable
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Post Alarm Work
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• Outdoor– School play grounds– Executive Parking areas– Corrections exercise areas
• Indoor– School Lunch
Rooms– Corrections Day
Rooms– Money handling
areas
Applications