Difference between revisions of "User Documentation"

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{{Manual Header}}
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=Notice=
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<center>[[Image:Elphel logo.png]]</center>
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<h1><div style="display:inline; color:blue">SHORT OVERVIEW</div></h1>
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[[Roadmap#Update_on_353.2F363_cameras|353/363]]
  
There are many network cameras (cameras that can serve images/video without computer) on the market today. Some can provide high frame rate video, but are limited to 705x480 pixels or less. There are even some high-resolution (megapixel) network cameras, but they usually need a second or more to compress a full size image.
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[[Using the cameras]]
  
Elphel cameras can do both. They can serve full size (2592x1936) images really fast — at 15 frames per second. And much faster at lower resolutions. High resolution may be very useful for security applications — a single camera with a wide angle lens placed in the corner can see over the whole room with the same quality as a narrow angle NTSC camera placed on a pan/tilt platform. And it can see it all at the same time without the need for any scanning.
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[[Camera software]]
  
Full resolution high frame rate even makes it possible to avoid using "digital pan-and-tilt" (sending out just a subwindow of the whole frame) — the usual way to overcome the slow operation of high resolution network cameras.
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[[Live CD]]
  
Elphel cameras are powered by 48VDC through a LAN cable compliant to the IEEE 802.3af standard. This voltage makes it possible to use cables to the camera for about 100m - four times longer than 24VDC and 16 times longer than 12VDC — such lower voltages (not IEEE 802.3af compliant) are still used in some power over LAN cameras.
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[[Camera hardware]]
  
All the embedded software and FPGA bitstream are stored in the camera flash memory which can be upgraded through the Internet.
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[[Diagnostic & repair]]
  
There are other features that are useful for developers. Both the embedded software and FPGA hardware algorithms are Free Software.
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[[Development documentation]]
  
This Manual will help you not only to learn to use Elphel cameras more effectively, but also allow you to develop the camera software and hardware yourself.
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[[333 prices]]
  
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[[Information]]
''Free Software and Open Hardware. Elphel, Inc., 2005''
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[[FAQ]]
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[[About Elphel, Inc]]

Revision as of 12:16, 24 January 2011

Notice

This page is currently being restructured: Work in progress.

Outdated Legacy Links

353/363

Using the cameras

Camera software

Live CD

Camera hardware

Diagnostic & repair

Development documentation

333 prices

Information

FAQ

About Elphel, Inc