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Thread: CCTV System

  1. #11
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    Quote Originally Posted by Singhms View Post
    Hi All,

    Anyone has any taughts or ideas to share on a CCTV system for a fast food store?

    I see Makro has DIY Vivanco systems?
    I have done quite a few of these systems - I use a 4 channel or 8 channel embedded system with good camera's - I stay away from IP stuff - but they do have their place.

    Makro has cheap and nasty equipment - my advise is to stay away from that sort of equipment - its exactly that - cheap and nasty and does not last very long !

  2. #12
    Diamond Member Citizen X's Avatar
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    Quote Originally Posted by IMHO View Post
    Word of advice. Get a demo on a similar setup to what you decide on. Chances is that your expectations is going to be higher than what you get. Facial recognition is very important. If you can not ID a stranger, it is useless. To ID workers is easier, as you know them, but someone else, looking at the footage, might argue. Then, frames per second. If you want to see the exact action, make sure you get 20fps at least, not on paper, but in reality. IP based systems is notorious for lacking in these aspects. The specs is great, but the network can kill it.
    IMHO, you raise some valid points! It's noteworths that in the recent cases of police brutaility at shebeens, those shebeen keepers had good cctv systems in place, as it captured the events very clearly and one could positively indentify the perpetrators from their footage..
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  3. #13
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    been doing some research into cameras and setups...with my limited knowledge...what i can share...is that it is all about planning...the better you plan the better the outcome.

    what i mean by this...

    there are specific applications for each camera...you need to know what you expect of the camera...do you just want to see something happening or do you want to identify people...numbers plates...etc...while recording...will it be recording during the day and if at night will will it be in well lit areas...the distance from the camera to the location...etc etc.

    yip you can set the camera to record in specific pixels...ie...if you have a computer on a table in a room and dont want to sit watching hours of recording you only want to see if anyone touches or uses the copmputer...you can set it up to record only if there is movement in those blocks on the screen.

    i have cameras setup at home which i am using to experiment...using a dvr...and found that you cannot setup motion recording out doors there are just too many variables...and lots of bugs which seem to love the red lights.

    if you want cameras for a specific application...makes sure you plan and spend the money on the correct setup...otherwise dont waste your time or money...make sure you get someone who knows what they are doing as in all industries there are lots of so called specialists...one of my customers learnt the hard way...so now i am busy trying to clean up the mess...at least one good thing has come of it... cameras setup in the lounge...and a screen behind a secure passage door...would work great if we have an intruder...you could line make up the intruder and plug them without them even knowing you can see them...and if there is more than one you would be able to see where they are and how many there...just dont shoot them thru the door otherwise i do beleive it would be classified as planned...wouldnt look good in court.

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    Quote Originally Posted by murdock View Post
    just dont shoot them thru the door otherwise i do beleive it would be classified as planned...wouldnt look good in court.
    Jip, criminals got the law on their side. So I see them running up to the house. One hide in the garden, another around the corner and one ring the front door bell. All three has guns, but the one at the front door hold his behind his back. Now I observe all this on the cameras. The other two disappeared and is out of view. Behind the house and can break an entry anywhere. I phone the police. The one at the door gets agitated and start breaking a window to gain entrance, or even trying to kick the door in. I am not allowed to shoot, because it will be interpreted as planned? I must wait till he is in the house and then determine what his intention is? Maybe he just want money and a TV, or a glass of water? You can not give someone the death penalty for that! These guys is professionals. Your life is never in danger, as long as you give them what they want. You can always claim from your medical aid later, get antiviral pills for the wife or daughter, replace the TV, work for some more money, get to see a psychiatrist... And do not forget! You will have footage to entertain your family and friends with! Because it will be useless as evidence. I experienced that. Got them on tape, breaking into my sons bakkie and take his R12000 laptop he forgot in the bakkie. The answer is simple. There is millions of them. Where must they be found? And they all look alike...
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    considering pepper spray for that side of the house...there are systems installed in sub stations and pump stations which are activated by sensor...i am planning on doing some research to find out if it would work...how dangerous it is for my family and what the reaction would be of the would be lost person looking for a glass of water...breaking in thru the window or nowadays straight thru the front door.

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    this link might help


    http://www.ukcctv.co.uk/dummy.php

  7. #17
    Email problem IMHO's Avatar
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    I am fully aware of how IP cameras work and their capabilities. I am running 12 cameras at the moment, monitoring and recording 3 premises at one central point. The major advantage is that recording happens off site. Disadvantage, recognition and frames per second.

    I would like to hear more about on hand experience with analogue systems. What is their performance and disadvantages? For one thing, I am under the impression that cameras is cheaper with better visual and frames per second. Obviously recording will be on site, which is a bit of a downer.
    ~Expenses will eat you alive! - My first Boss~

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    Many more hours of research later...upgrades to 4 meg cameras and DVR's even tried NVR's...made lots of adjustments to the DVR setup.

    A few things i have learnt...no matter how good the camera quality...the "lite" versions are DIY products...bit of a hit and miss.

    Trying to capture footage at night...not so great...put a light above the camera and have a motion sensor detect movement to activate a spot light...camera will go back to colour much better pics.

    Camera height and angle is also important.

    Trying to capture a number plate at night...not impossible if a camera is dedicated for that option...positioned in the right place and settings in the DVR or NVR setup correctly...you can use a 4 meg camera but an older 3 meg camera works better.

    Like all industries...there are many specialists in this field...beware.

    The most important thing to note when purchasing a CCTV setup...make sure you understand what it is you want to achieve and buy the right equipment.

    Make sure you allow for the correct lighting and position...this can make a huge impact on the record quality at night.

    Good quality CCTV has become more affordable.

    I keep telling my customers...the most important part of installing cameras...is not the cameras and DVRs...it is the quality of the installation...a bad installation will cost a lot more to fix in labour hours than upgrading to higher resolution setup.

    I am busy with a job where the installation has to be stripped and redone completely...if the job was dont correctly...all that would have been required...unhook the camera...plug in a new one...unplug all the wires from the DVR and replace the DVR...a couple of grand and the system would have been up and running already...instead we have to strip the entire installation and replace everything...gona cost tens of thousands.

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