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Better picture quality? software? PLEASE HELP!


 
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Kobie 1
New Member


Joined: 17 Jun 2009
Posts: 3
Location: Buffalo NY

PostPosted: Mon Apr 26, 2010 7:24 am    Post subject: Better picture quality? software? PLEASE HELP! Reply with quote

Our camera system is running over 150 cameras. The pc's are pretty high end. Both have dual quadro fx 4800 video cards. Most of our cameras are analog running through a digital converter, and a small percentage are digital.
We are in the (slow) process of converting them all over to digital cameras.

Evil or Very Mad My problem inlies with the quality of the pictures. I know the analog shouldnt have that great of a picture, but even our new digital cameras run grainy and choppy. I believe the software we are using 'Lenel Video Viewer', runs off of the motherboard video and not the graphics cards. Thus why we get such bad quality. Evil or Very Mad

Does anyone know good software for viewing numerous cameras and also runs off the pc's video cards. Any suggestions would be greatly appreciated.

THANK YOU Very Happy

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itsokrelax
Enthusiast


Joined: 06 Sep 2008
Posts: 205

PostPosted: Mon Apr 26, 2010 9:22 pm    Post subject: Reply with quote

I'm by no means a PC expert... but I would think a video card would not be required for recording purposes... only for displaying. Make sure your compression settings are not too high.
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Kobie 1
New Member


Joined: 17 Jun 2009
Posts: 3
Location: Buffalo NY

PostPosted: Tue Apr 27, 2010 8:55 am    Post subject: Reply with quote

Im not talking about recording. Im talking about the display. The software we are using is running off the system video. Im looking for software that will run off the video card so there is better picture quality.
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buellwinkle
Wizard


Joined: 28 Mar 2008
Posts: 2504

PostPosted: Tue Apr 27, 2010 2:03 pm    Post subject: Reply with quote

You can view your digital network cameras using a web browser. That will show you the picture quality outside of your software. You can view this image on various PC's to see if it's your configuration or your camera. Also, network cameras send compressed video unlike CCTV cameras, so a difference in compression settings can mean seeing a face or a blob with 2 eyes. For example, using hgh end cameras, I was very dissapointed that I couldn't ID someone 10' away. I changed the compression settings and now it's fantastic.

Also, if it's grainy, it's a complete other issue. Many cheaper network cameras compensate for low light by increasing sensor gain to the point the image is grainy. Some cameras let you set the max gain. Don't know if you are a photography buff, but in the old days of film, one would push an ISO 400 film to ISO 3200 in the development process to get low light photography at the expense of high grain. Same effect here. What you can do is increase the light level in the area or buy better cameras. For example, my $200 camera is grainy in lower light, my $1,500 camera is razor sharp. If this is in an area with little to no light like outdoors at night, then you may consider getting IR illuminators, they cast a light only visible to the camera.
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Administrator
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Joined: 15 Feb 2005
Posts: 907

PostPosted: Wed Apr 28, 2010 6:30 pm    Post subject: Reply with quote

One issue nobody mentioned is the number of cameras you're trying to view at once. Depending on the encoding used, you may see better picture quality if you view 2 or 4 at once, rather than 16 or more.

Buellwinkle has a good point regarding compression settings & environmental issues (low light, rain, etc..) affecting picture quality as well.

How many cameras are you trying to view at one time?
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