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Nimrod

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Everything posted by Nimrod

  1. “Would be nice if U explain why He is "bad" guy” Notice his nick “alainmazy” and he is promoting “ Jomago Video Stabilizer SDK” as a uninterested 3rd party. Now look at this page from Jomago’s web site. http://www.jomago.tv/about-us/the-team.html “Alain Mazy received his M.S. degree in software engineering from the University of Liège, Belgium, in 1997. He has worked in the field of interactive 3D entertainment at Deltatec, a software and hardware consulting company. Since 2001, he works as a software contractor. In this activity, he developed real-time embedded software now flying in the Herschel Space Observatory, an audio-video editor at Arboretum Systems, machine vision libraries at Euresys, a custom video player at EVS Broadcast Equipment and many other smaller projects." And look at the number of posts he made, ONE. Obviously he googles for any mention of video stabilization and makes his fake 3rd part post. There was no reason he could not be honest with us and say he was developer and would be glad to tell us about it. Now i just think he is a scum bag.
  2. "Coming very late on that one but... for other people with the same requirement, there is now the Jomago Video Stabilizer SDK that can do the video stabilization job for you." You do not have to sneak in here like a thief in the night hawking your software as a 3rd party. You could have been honest and said you were one of the developers of the software and you would be happy to answer any questions about it.
  3. Nimrod

    Hair salon system

    “Hi Nimrod. please dont take this the wrong way but lens charts just dont work for me at all. a good vari focal camera will give you a very good face image at 10ft-20ft even 30ft” Sounds to me like we are talking about 2 different things, i am talking about width and i think you are talking about depth.
  4. Nimrod

    Hair salon system

    “Thanks for the suggestions. I'm in California. The cash register is near the front glass, but not adjacent to it. Its a small area about 6' x 6'.” For the front window we know you wanted identification of people if they broke in again. We do not know what you want for the cash register, are you looking for ident of people robbing you, or want close up of cash drawer for employees stealing money, or do you want to record all transactions from register with a customer face, or?
  5. Nimrod

    Hair salon system

    “Nimrod. do you do the costings for your company for the customer??? you are very quick to price yourself out of a job. going from a costco system to 2x 5mp and 2 Analog is way over spec.” Tom read my post more carefully, i was giving them ideas for 2 different systems. And letting them know there were lots of possibilities for different setups. For the information given i think i did a good job. 1) 2 ip camera system 1pc 5mp and 1pc unspecified ip mp because of lack of information for cash register. And take advantage of free ip software from camera mfgr. 2) 3 analog camera system, 2 pcs out side to watch sidewalk for ident, 1 inside for overall view. And as i said in my post no details were given on cash register so no recommendation for camera given. I think of all the systems advised yours and mine my 2 ip camera solution is the best. These people want to do this themselves, they do not want to buy 4 cameras and figure out were and how to mount them, wire them up and set them up. They want a simple solution. You were very short on details on your proposal, but my guess is you wanted 1 camera on the register leaving 3 cameras for the 30ft window. 30ft / 3 = 10ft per camera, 480tvl / 10ft = 48 pix per foot, this would be very poor for facial identification which is what they are looking for.
  6. Nimrod

    Hair salon system

    “Its a full glass window/door about 30' wide and 10' tall. Would like that area covered by a camera capable of recording images at night and would probably want the cash register area covered as well.” A 30 ft wide area would need a 5 mega pixel camera to cover it for 86 pixels per foot. This would give reasonable facial recognition. An example of this camera is here. http://www.arecontvision.com/index.php?section=product&subsection=product_details&product_id=10 Not enough detail given for cash register as to were it is or what you want to cover, it may be better to give it its own camera specific to its needs. Also depending on outside layout 2 good quality analog cameras pointing each way down the side walk may be very helpful but you would still need 1 camera for overall view of window, but this one could be lower resolution. Just 2 cameras, 1 for window and 1 for cash register could both be mega pixel IP cameras and depending who’s camera you buy you can get free recording software. Analog cameras would require stand alone DVR or computer with special analog capture card, or IP converters. Lots of possibilities here. As you can see this can get complicated real quick.
  7. “same seller but different name but same paypal account” TomCCTV, how can you tell it is the same paypal account.
  8. From the web site. “Operates on 24 volts AC at 15 Watts and requires six-conductor unshielded cable” This means the 6 wires are connected to the individual motors and you have to do the correct power switching sequence to move the pan tilt. You could make a toggle switch box to do it or buy a pan tilt zoom control board, this board would also accept commands from your dvr program thru the serial port and converted to rs485 or from a real rs485 port if you have one. http://cgi.ebay.com/Universal-Indoor-RS485-Decoder-PTZ-Camera-Control-/200560433762?pt=LH_DefaultDomain_0&hash=item2eb2555a62 Or you can use this stand alone ptz keyboard to issue ptz commands. http://cgi.ebay.com/DVR-CCTV-Keyboard-Controller-LCD-Display-PTZ-Control-/260770686778?pt=LH_DefaultDomain_0&hash=item3cb724e73a All in all its a big job, a lot of wiring to get right, and don’t forget enclosure and power supply to.
  9. Nimrod

    Yet another newbie and a female one to boot..

    “We left it long enough for the neighbour to get complacent about the dummy camera and on Saturday I went out and bought a Sentient CCTV kit - 1TB H.264 8 channel DVR with 4 Sony CCD cameras (2 dome, 2 bullet) with an Acer 19" colour monitor. I chose a wired system because I don't want interference with my wireless router. I bought a mount to put the monitor on the wall and a smoke alarm style alarm to go above it. I'm not buying a traditional burglar alarm with box because I believe CCTV is better. The Husband was impressed cos I chose it all myself and it's the manufacturer they use for CCTV at work. “ It took a little doing but i was able to find your system. This system is one step up from bottom of the barrel. 1TB H.264 8 CH Network DVR with 4 x CCD Cameras and 19inch Monitor Camera specs are. 420 tvl .5 lux 1/4 inch sensor 3.6mm lens IR leds The cameras are fixed wide angle lens types, to get good facial recognition you can not be much farther away from the camera than about 7 feet, this will give you a FOV (field of view) of 6.22 ft, so you have to think very carefully about placement. 420 tvl / 6.22ft = 67 tvl per foot also called pixels per ft or PPF. 75 is about as low as you should go and 100 is very good. Another option would be to put different lens in the cameras, you can buy them on ebay for a few dollars each. Get the ones that say IR for IR correction. here is a easy to use lens calculator you can play with. http://www.sdvision.be/en/calculator.html This is a top secret code 1, UK government Doc, on proper CCTV system setup. http://www.nactso.gov.uk/SiteCollectionDocuments/ManagingTheRisk/28_09_CCTV_OR_Manual2835.pdf Use this Doc for camera lens information and placement.
  10. “has anyone got any footage - good results with the halogen light fitting lookalike 96/140 led infrared array- ?? the ones going on ebay ....” viewtopic.php?f=5&t=24084
  11. Have you ever tried the IR heat lamps you can buy at home improvement or farm stores. They are inexpensive and screw in standard sockets. You can get them in white light with ir and ir only.
  12. “A 14mm lens will have a 2.5ft *horizontal* FOV, but only a 1.75ft *vertical* FOV, so you wouldn't cover the entire 30"x30" area.” Good work, thanks for the correction.
  13. Was the RG6 rated for CCTV use, what was its full RG6 number. CCTV coax will have a copper core and copper braid of copper plated aluminum braid. If you are unsure use a magnet. The magnet will not be attracted to real CCTV cable.
  14. My calculation show a 14mm lens on a 1/3 inch camera at 90 inches will cover an 30x30 area. This is the best free lens calculator i have ever found, very flexible but it takes a little while to get used to it. http://www.theiatech.com/calculator.html
  15. “When I asked the seller if the DVR was full D1, this was the response: 8ch D1+8ch CIF sametime” D1 720 x 480 NTSC CIF 352 x 240 NTSC So he is saying that the max you can run the dvr is 8 channels at D1 and 8 channels at CIF for a total of 16 channels at the same time. Better dvr’s will let you run 16 channels at D1 at same time. Also there should be the all important FPS spec that tell you when running max channels at max D1 and CIF each channel will run at so many FPS. Frames Per Second, 30 fps best, 10 to 15 ok, 5 fps garbage, per channel.
  16. “The camera only needs to see the front of a room where presentations will be shown approx 8 meters length covering the teacher and the projector screen beside him” This is in to the realm of it can’t be done. We need more detail of this 8 meter area you want to cover, what kind of presentation is this, large text on a screen, movie, still picture, what kind of detail are you trying to get on your TV. You might get a good shot of the person doing the presentation, but 8 M E T E R S with an analog camera!
  17. Nimrod

    Day/Night Outdoor Dome Camera

    CNB VCM-24VF 1/3" 600TVL, Outdoor Vandal true day/night, DC Iris M13 2.8-10.5mm, .005 lux CNB VCM-24VD 1/3" 600TVL, Outdoor Vandal fixed IR cut filter, DC Iris M13 2.8-10.5mm, .05 lux CNB VFL-20S 1/3" 600TVL, Outdoor Vandal fixed IR cut filter, M12 3.8mm, Fixed .05 lux
  18. Nimrod

    What happens to the extra pixels?

    “What happens to the "excess" pixels the camera is sending to the DVR?” Well the simple answer is, they are not there. The pixels are at the sensor of the camera after some processing that digital signal is converted to analog, this conversion process looses some resolution. The image is now in a analog domain and pixels no longer apply. The analog signal goes to the dvr input, on the way is goes through some wire, the longer the wire the more resolution you slowly loose. The dvr input has a low pass filter to reject noise, this causes a little more loss of resolution. The analog signal is now reconverted to digital, causing a little more loss. At this point there is something called bit rate sampling and it has a large effect on resolution. With all of this said and done the pro’s on this forum state you only have 480 lines of resolution left after recording (analog resolution is measured in tv lines) .
  19. Nimrod

    Dream System

    There is no such thing as “A” dream system. If you read the requests for help here you will find many different wants, needs, and requirements. That is one reason the 4 and 8 camera packaged systems are such a waste of money, not counting the fact that the cameras are garbage and the dvr about the same. You need the proper camera for the proper job, and there are many jobs that can be done around your home from watching the door, to recording license plates, to keeping track of the kids, to covert night vision, etc. The same goes for the type of dvr, many different requirements. Some want pc based, some standalone, some linux and some knot heads want mac. And of course the list of features different people want, sending email alerts, watching from a pc, linux or mac, or specific phone, etc.
  20. All dome cameras are 3 axis.
  21. Linux zoneminder is free but a *** to set up.
  22. "Thanks! Wow, the AMV units are SPENDY. The Allen box might be more suitable, any idea what the MSRP is on the thing?" I could not find a price either, so that usally means $$$.
  23. “1080p camera with HDMI out? “ “Hrrrm... 6.3MP is the widest it goes, that may not be enough. Any suggestions as to some way to take an MP stream and output it to HDMI? I guess I could do it with a Vigil HD Viewer...” I think you may have an imposable situation here. If i understand what you are asking for. I will have to assume that you want the camera HDMI out to connect directly to a monitor since no DVR will accept this input. Also i see you ask for 1080P which is 1920 x 1080 = 2MP. http://en.wikipedia.org/wiki/1080p Later in this thread you say 6.3MP is not enough. In this link i found more HD video modes. http://en.wikipedia.org/wiki/High-definition_video 2,048×1,536 = 3MP 3,840×2,160 = 8MP 4,096×3,072 = 12MP I think you will have a great deal of difficulty finding a monitor that can display the 3MP picture. And it will probably be imposable to find any monitor to display anything higher. Remember your computer magically handles higher resolution video by only displaying the resolution your monitor can handle by cropping out the extra video and adding scroll bars to see the rest. Your monitor can not do this.
  24. Video delay line from seconds to minutes. Pal, NTSC, BNC, 7 to 32 VDC, all in a compact package. Sounds like this was designed just for you. http://www.allenavionics.com/GPDL/AVDL.htm Video delay up to 10 seconds with D1 resolution. http://www.allmobilevideo.com/rentals/R_term_delay.htm
  25. The problem you have is called inductive coupling, harmonic distortion is simply a distorted waveform and has no transmission effect. You should never run low voltage lines such as camera, network, telephone etc, close and parallel to power wiring. If you have no other way to run it, be at least 12 inches away from each other, or put your low voltage wire in metal conduit for shielding. In your case with an air compressor you may have to be even farther away. Air compressors draw a lot of amps and put out a lot of interference. The more amps there are the stronger the magnetic field is and the more inductive coupling.
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