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digital video surveillance
digital video surveillance

All-Seeing Eye: The History of Video Surveillance
There are eyes everywhere, and non-humans. At present, the accelerated modern world, surveillance video has become as essential to society as security guards and gateways. Mention video surveillance and the average Joe instantly associate the word with video cameras mounted in banks and department stores or videotapes of an errant spouse marked as Exhibit A in a messy divorce proceeding.
The history of video surveillance is as complex as the system behind it. In fact, goes back much further in time than most of us realize. Reports press indicate that by 1965, U.S. police have been using video surveillance in public places. In 1969, the police had cameras been mounted in strategic areas of New York City Municipal Building. That would set a strong precedent, and it was not long before the practice spread to other cities and police officers were closely monitoring key areas, with the use of CCTV or closed circuit television systems.
Devices Beginnings
The video cassette tapes are largely responsible for popularizing the video surveillance. Analogue technology used in recording tape video gave decision makers an innovative idea: it is possible to preserve the evidence on tape.
In 1975, England installed video surveillance systems in four of its major subway stations. At the same time, also began monitoring traffic flow on major roads. The United States made the same during the 1980s, and although he had not been as rapid as England in the use of video surveillance, which made up for lost time by far the institution to video surveillance in public areas.
Digital Multiplexing and subsequent events
One drawback of analogue technology is that users had to change tapes daily. This was resolved during the 1990s, with the introduction of digital multiplexing. Digital multiplexer units had features like time lapse and motion-only recording, which saves a lot of tape space. Moreover, it allowed the simultaneous recordings into several chambers.
The next step, digitization, compression outstanding capacity and low cost, allowing users to record a monthly value surveillance videos on your hard disk. In addition, digitally recorded images are clearer and allow manipulation of images to improve clarity.
9 / 11 and Internet
The events of 11 September 2001 changed public perception of video surveillance. Software developers create programs to enhance video surveillance. The facial recognition software is one of these programs. Use of the key points of the facial features, faces was recorded compared with photographs of terrorists and criminals.
In May 2002, facial recognition software has been installed in the chambers video surveillance computer at Ellis Island and the Statue of Liberty. That same year, SmartGate was installed in the Sydney International Airport in Australia. SmartGate is an automated border crossing system for air crew members. The system scans the faces of crew members, compared to passport photos, and confirms the identity in less than ten seconds.
In December 2003, Royal Palm Middle School in Phoenix, Arizona installed face recognition video surveillance. This is a pilot program for sex offender registration and tracking of missing children.
For all these events, the Internet is the cherry on top. He revolutionized video surveillance by removing all impediments for display and control anywhere in the world.
Clearly, humanity has created better and more refined means for video surveillance. Surveillance systems smaller, smarter and more powerful video come on the market for almost all months. Satellites bouncing signals around the world. There are, indeed, eyes everywhere, and several of them are in heaven.
Someone is always watching.
Anewtech Systems – Digital Video Surveillance
![]() LOREX LW2301 4-Channel Wireless Quad Surveillance System with Digital Video Recorder & 1 Indoor/Outdoor Motion Camera List Price: Sale Price: $199.99 You save: $79.96 (29%) Eligible for free shipping!Availability: Usually ships in 24 hours Average Rating: ![]() DescriptionVideo recorder supports up to 16 GB on Secure Digital Card (TM) Record optionsschedule by time or motion detect Single channel recording Expandable to 4 total cameras Quad or sequential viewing Includes 1 indoor/outdoor weatherproof camera, mounting bracket, power supplies for quad receiver & camera, IR extender, Secure Digital Card (TM) & remote Features
ReviewsTwo Parts Defective; Low Quality; Other Cons, but Cheap Price Cons: My unit was defective in two ways. 1. First defect, the area where the AC adaptor plugs into didn’t work consistently. While not being touched, the unit would alternately lose power then turn back on, or just stay off. One night while attempting an overnight surveillance with motion-detector record, it shut off shortly after being set up. I had checked the connections and made sure it was on a stable surface. My husband inspected it and feels the jack is loose or that it is not making the connection inside the unit (it’s not a defect in the wire cord). I worry of the quality of this product or the consistency of the product’s manufacture. Perhaps the low price for this unit is a signal for low quality construction and is unreliable. Even at this low price if it doesn’t work or is unreliable, what good is it? 2. The second defect was the digital memory card that came with this kit was non-functional. This is the card that records the video. I tried it in other products I own and it didn’t work there either. In order to test the product I substituted the card from my digital camera, and my card worked just fine. Again if this product is defective what good is it? If some product this company ships out is not consistently of high quality this is risky for the consumer to invest in. 3. There are two settings for the video quality. The default setting is a poor quality video. It does not stream well and action is recorded in jerky motions or appears smear-y. Details on faces or objects are not very good on that setting. If you want higher quality you must change the setting but I note it will use more memory on the card and you may run out of space depending on how long you record for in before deleting the files. You may have to buy a new, larger memory card. 4. I tested the motion detection indoors and outdoors on a deck. Indoors it was fine, but outdoors, it recorded RAIN as motion and recorded every rainy moment that the camera was on. The recordings were in ten minute segments and recorded the entire time it rained. I live in New England where rain or drizzle is common. If the issue is you want to know when or if someone is on your property or who was at your front door, you’d have to visually scan every recorded segment to see what happened or if it was just rain, or just not view it if nothing problematic happened (like a break in). It also records small movements due to WIND. Tree leaves and bushes that move due to wind trigger the device to record. I guess if you record and only look at the video if your house is broken into then this would not be an issue. 5. The deleting of the 10 minute long recordings has to be done one by one. On the rainy night I had to delete many files which takes 4 button pushes per deletion. This took me about 15 minutes to do after 9 hours of motion-activated recording on a night of intermittent rain. That was too long to spend on that endeavor. There should be a “delete all” button or the process should be simplified in some other way. 6. The programming of the unit and its remote control is primitive. The steps seem odd and I needed to use the instruction manual to figure out something that should be simple such as how to turn the motion detection video on and how to delete a file. This is not really intuitive or user friendly. There seem to be more steps to do something simple and common than there need to be. The remote is small and the number of buttons is low. The buttons are not all unique and labeled with their actions which doesn’t make them user friendly. 7. The power source is an issue in general. If you place the unit outdoors the power cord runs right out of the unit and needs to plug in somewhere. Homeowners may not have a power source outdoors to plug the unit into. It could be tricky or damaging to the wire to try to run the cord indoors through a window or door to access an indoor electrical outlet. If this is for security reasons, such as if placed near a front door, a thief could easily unplug the unit (easiest) or cut the power cord (harder). I think the company is over-marketing this to homeowners as a home security system when its outdoor use is limited due to the electrical power challenges. ***However this is a system for amateurs to be able to install themselves, the alternative is a professional security system installed by a professional that includes electrical wiring that goes into walls. You can’t have it both ways! Or, a battery operated unit is another option. Perhaps this unit, although weather-proof, really is optimal for INDOOR USE. Think about what your purpose for this unit is and what your environment is like, if it can support this do-it-yourself system. Pros: 1. It’s inexpensive. 2. It’s easy to set up. My twelve year old son set it up in under 15 minutes. He has no experience with this type of system. You certainly do not need a professional to install this. 3. This seems ideally suited for INDOOR USE such as for a small business for staff monitoring or security purposes (should the business be robbed). 4. This system can also be used as live video cam. It does not have to be used to record or motion record. It is a better system than I once received as an unasked for baby shower gift which was a system to watch the baby napping in the crib when I was in other rooms in the house, to check to see if the baby was awake or sleeping or safe. I am unsure how many homeowners would desire to use such a system in their private homes but you never know… I did not contact customer service to discuss this faulty equipment. I have been too busy to deal with the company, and I’ve already put in multiple nights of recording and daytime recordings, many hours of product review time working with the unit have been dedicated to this review, plus the time to write this. I put off publishing this waiting for time to call customer service. Sorry, but I have no time to take it to the next level to deal with customer service, so the experience I had as described will have to suffice. OK unit, lousy company Not bad… but not for your business… Setup Unpacking and setting up the system is quick. For testing, I was able to have the system up and runnning in about 30 minutes. This excludes proper mounting/installation for actual usage. The package includes everything you need to connect the system using a display (display not included). Once the base unit and camera were powered on, they paired automatically. Features The built-in IR motion sensor on the camera is a great feature. Other systems I have used rely only on the captures image, which can take processing time and is less accurate. The IR motion sensor range is wider than the camera view point, so motion is detected before the subject enters view,which is nice for a security system. The base unit needs to be connected to a display that has composite vide input. This allows for connectivity with most TVs and monitor. The low resolution of the composite connection limits image quality. The user interface (UI) has a basic set of options that are navigated using directional arrows in both the unit and a remote control included in the package. The UI uses icons. Most are intuitive; some require referencing the user manual. Recording can be done manually, by schedule and by motion detection. The package includes a remote control. The remote is small and not very responsive. I had to hold it with one hand and press keys with the other to get it to respond. I found myself utilizing the base unit controls to avoid the frustration with the remote. Conclusion The camera system’s main strenght is its simplicity. For monitoring a small room or building entrance, it works well. It avoids complex software and computer setup. The system is not suited for remote monitoring and instant event notification or alerts because it is self-contained with no connectivity. It is not designed for remote security monitoring. This is its BIGGEST downfall, and why you can’t rely on it when you’re away from the business/store etc. What this means is that if someone breaks into your house/store etc when you’re NOT there, you’ll have no idea it happened. Yes, the Lorex will record it, but if the Lorex gets stolen during the break-in, that won’t help you. :D If you are looking for simple local monotoring and record-keeping video, this is a low cost, easy-to-use option. No remote access means it loses a star. But you could certainly do a lot worse! 4/5 Not good on motion sensor A top price performer |
![]() Levana BABYVIEW20 Interference Free Digital Wireless Video Baby Monitor with Night Light Lullaby Camera List Price: Sale Price: $128.99 You save: $211.00 (62%) Eligible for free shipping!Availability: Usually ships in 24 hours Average Rating: ![]() DescriptionThere is nothing more important to you than your child’s safety and security. You want to be with them day and night to know that they are safe at all times. But with so much to do around the house in an average day, you know that it isn’t always possible. The BABYVIEW20 is Levana’s easy-to-use video baby monitor that ensures you’re always there for your loved one. This portable system allows you to watch over your child with a handheld monitor and be alerted whenever she makes a sound, even when the system is in standby mode. The night vision feature allows you to see your child when it’s dark, and you can play comforting lullabies directly from the camera. The BABYVIEW20 is the perfect solution for every parent – now you can rest easy knowing your child is safe! Features
ReviewsIt works pretty well Soooo disappointed Good unit for the price Its a great video monitor! NOT ‘Interference Free’ |
![]() Logitech WiLife Digital Video Security–Indoor Master System Camera List Price: Sale Price: $139.72 You save: $160.27 (53%) Eligible for free shipping!Availability: Usually ships in 1-2 business days Average Rating: ![]() DescriptionWiLife Digital Video Security Camera Indoor Master System Features
ReviewsTHEY WORK GREAT OR ME! It appears that new starter systems can be found for less than the price of a new add-on camera (If you shop around). So save some bucks & have a spare receiver to boot. I am happy with the system, & it gets an A- grade from me. WARNING TO SATELLITE INTERNET USERS!!!! According to customer support: “On our website, and in the product documentation you will find that it requires an “Always-on broadband Internet connection like DSL, Cable Modem, or T1″. A Satellite connection does not have the bandwidth required, to stream video consistently. Youtube for example is able to buffer and store video files locally, ours however is a live stream. Our system requirements are in the Product Documentation and on our website.[...]. WiLife Indoor Camera System I’m not sure about product life span, I guess I’ll have to check back in a year or so and see if my cameras are still working. I like it – WHEN it works. Works for our vacation Home |
![]() Lorex LW2002W Portable LCD Wireless Surveillance System (White) List Price: Sale Price: $149.82 You save: $50.17 (25%) Eligible for free shipping!Availability: Usually ships in 24 hours Average Rating: ![]() DescriptionLorex introduces the latest in Wireless Digital Technology with excellent video quality and audio quality. The digital signal is secure and interference free. Add up to three cameras to this system for surveillance in various locations. Enjoy the convenience of an included rechargeable battery and cradle in addition to the built in stand & belt clip Features
ReviewsLorex LW2002W – Very Good, but not perfect. Cons: Comments: Remote light is unnecessary. The battery life could be prolonged significantly if the VOX worked properly in power saving mode. In power saving mode it takes a loud sound to activate the VOX, and is therefore unusable. I was able to mitigate the battery life issue by placing battery chargers at strategic locations around the house. One in the master bedroom, one in the living room, and of course the cradle charger in the kitchen. I had saved these chargers (power supplies) from old cordless phones we discarded over the years. The proper fitting jacks are available at Radio Shack, just be sure the charger voltage and jack polarity are correct (sorry, a little soldering is required). Mom of two and I love it!!! OK system, but not as primary baby monitor PROS: CONS: Overall, the technology exists to make this an awesome product. However, they seem to have taken shortcuts to cut production costs that greatly compromise this. If you’re looking for looking to pair this with a DECT monitor that has reliable sound and use this to visually make sure your baby isn’t in trouble, it’s fine, if a bit expensive. If you’re wanting just one unit, though, you should get a reliable audio monitor instead. Elder Care monitoring – GREAT range !! We really like this monitor |
![]() Logitech WiLife Digital Video Security–Hidden Master System Camera List Price: Sale Price: $181.28 You save: $148.71 (45%) Eligible for free shipping!Availability: Usually ships in 1-2 business days Average Rating: ![]() DescriptionWiLife Digital Video Security Camera Hidden Master System Features
Reviewswilife Great security system for home JUNK!!! It doesn’t record sound! It was easy to install and use. However, it doesn’t record sound which is important function to me as a nanny cam. When you set it to motion mode (only record when there is motion detected), it doesn’t pick up fine motions. Therefore, I have to set it to continuous recording. I only bought one camera (because it’s so expensive) and I set it up in the living room. Since it doesn’t record sound, I can’t tell what kind of tone she is using when she is interacting with my baby and I can’t tell what the nanny is doing when she goes to the kitchen or my bedrooms. I returned the product mainly because it doesn’t record sound. If you need a cam for Surveillance purple, sound recording might not be important. Yet, you can find a cheaper one for that purpose. get something else |
![]() Logitech WiLife Digital Video Security–Outdoor Add-On Camera List Price: Sale Price: $169.99 You save: $60.00 (26%) Eligible for free shipping!Availability: Usually ships in 1-2 business days Average Rating: ![]() DescriptionWiLife Digital Video Security Camera Outdoor Add-On Camera Features
ReviewsDO NOT BUY Logitech wilife outdoor camera fix – Caps C26, C27, C31 and C32 [...] They fail in about a year. This is due to the following four 1000uF capacitors: C26, C27, C31 and C32. The caps that were in the original release were 10 volt caps. The next release they were 16 volt. I had 7 dead cameras. I replaced them with a 25 volt high quality cap and they have worked ever since. The caps don’t fit perfectly (the original are 8mm diameter versus the 12.5mm that I put in) so you’ll need to insulate the leads and let them float above the circuit board. Here is the Digi-key part number for the cap I used: UHE1E102MHD6. new system comming Lost 2 in one month Good Features but Poor Quality |
![]() 2.4GHz Digital Wireless Baby Video Monitor System With Night Vision — 2.4″ Color LCD Screen (Two-way Radio communication) Sale Price: $119.95 DescriptionFeatures:2.4GHz digital wireless technology:This feature will give you the peace of mind knowing that you will have a 99.9% connection and a 100% secure connection with nobody else having access to your camera.High definition 2.4″ Color Monitor: Bright high resolution monitor screen for easy viewing.Camera with night vision: This technology together with the infrared light will enable you to see your child even in pitch black darkness.Sound trigger With adjustable alarm volume:With this feature you will hear a beeping sound when there will be noise in your childs room. You can adjust the volume of that beeping sound. Power Save Mode (P/S Button) You can use the P/S mode to conserve battery power. In this mode if sound is detected it will automatically turn the on Audio and Video. Camera/Transmitter:Image Sensor: 1/3″ Color CMOS Lens: 6.0mm / F2.0 Resolution: 360 Horizontal TV Lines Minimum Illumination: 0.1lux with IR LEDs on IR LED / Night Vision Range: 8 LEDs, 840nm / 5m ,br>Frame Rate: 25fps Max Current Consumption: Approx. 300mA Weight: 184.3g without battery pack Dimensions: 81.3mmW x 119.4mmH x 58.4mmD Monitor/Receiver:Screen Size: 2.4 inch Resolution: H:480 V:234 Brightness: 350cd/m2Current Consumption: Approx. 350mA Weight: 258.8g without battery pack Dimensions: 86.4mmW x 149.8mmH x 70.0mmD Features
ReviewsDidn’t last 6 weeks It is definitely not worth $120 if it only lasts a handful of uses! So now I am out that money and have to buy another monitor! SOOOO Frustrating!!!!! I have this for 10 months and could not imagine what i would do without it!! Had two units and they’re both dead – Seller doesn’t stand behind product Unfortunately, this product is not made to last and DBRoth is not offering to assure the quality of it’s products. But if you’re still interested, here is a list of the pros and cons from my point of view. Pros: Cons: Monitor – for peace of mind An Unnessesary Dissapointment |
![]() Logitech WiLife Digital Video Security–Outdoor Master System Camera List Price: Sale Price: $185.00 You save: $114.99 (38%) Eligible for free shipping!Availability: Usually ships in 1-2 business days Average Rating: ![]() DescriptionWiLife Digital Video Security Camera Outdoor Master System Features
ReviewsRead Info logitech outdoor camera fix C26 C27 C31 C32 They fail in about a year. This is due to the following four 1000uF caps: C26 C27 C31 C32. The initial was a10v cap then later releases were 16v. I replaced them with 25v. See Digikey part number UHE1E102MHD6. The caps are from Nichicon and are Aluminum Electrolytic. They are rated for 10,000 hours at 105 degrees C. The caps don’t fit perfectly (the original are 8mm diameter versus 12.5mm that I put in) so insulate the leads and let them float above the circuit board. Perfect (so far) I will update the review after I pass the dreaded 12 month mark. Caveat Emptor With This Security System Manufacturer Support Does not Exist |
![]() USA Security Store — CCTV 4 Sharp CCD Day/Night Vision Color Cameras with one 4 Channels Video audio H.264 Security Surveillance DVR Digital Video Recorder System Built-in 500GB HDD, Included 4×65FT video cables and Power Supplies KIT. Supports Network Remote Viewing Over Internet, Windows IE, iPhone, Windows Mobile, and Apple Mac FireFox. Sale Price: $359.00 Average Rating: DescriptionDVR PACKAGE CONTENTS Features
ReviewsA lot better than expected Outstanding company and Very good full system |
![]() Sabrent USB-DVR4 4-Channel USB 2.0 DVR Security Surveillance CCTV Digital Video Camera Recorder Adapter – VISTA Ready List Price: Sale Price: $40.19 You save: $4.80 (11%) Eligible for free shipping!Availability: Usually ships in 24 hours Average Rating: ![]() DescriptionThe SABRENT 4-CHANNEL USB 2.0 DVR is the safety system of ideal design for home/office/shop guard or baby care purpose; Users can do their own security by easy installation. It is the cost-effective solution to replace commercial VCR tape recorder, it supports stable digitized video recording and easily manages the recorded data via index of date and time. Features : 4 channels video input in one card, the maximum display/recording rate is 25 fps under PAL format, and 30 fps under NTSC format. 1 channel audio input. 4 screen display modes are available. Multi alarm triggering method: sensor, motion, video loss, and HDD space shortage. Supports schedule recording, recycling recording method available. MPEG4 video compression format. 5 level recording quality options available, and the recording frame rate range from 1 to 30 fps adjustable for each channel. Supports multi-channel playback, searching by time/date and recording events, images can be zoom/capture/save/print/backup. Supports remote surveillance and PTZ control through web browser, support dynamic domain name Configurable auto reboot function for preventing PC deadlock. Alarm notification by e-mail with image Please visit http://www.sabrent.com/products/specs/USB-DVR4.htm for more detail SUPPORT: SUPPORT@SABRENT.COM Requirements : Windows 2000/XP or Vista CPU: Intel P4 Celeron processor, minimum 1700MHz Motherboard : Intel 845/865/915 series HDD : 80G or better RAM : 256M memory or better VGA : GeForce2,GeForce4,FX5200,ATI Rage128 Microsoft DirectX 9.0C USB 2.0 port True Color VGA Card Retail Package Content : 4 Channel USB 2.0 DVR Features
ReviewsDon’t bother if you only care about cost, not time or quality, buy it software doesn’t work as advertised Stay away! It does NOT work with ANY other Windows software except on channel 1 (it is a 4 channel device) WITHOUT AUDIO. It works only after reboot with no other apps running and eats up 100% of the CPU. The software that comes with it does work on more than 1 channel, but it is very crash happy and has almost no features, not even the basic ones. It is so bad that it is not worth anyone’s time. Do yourself a favor and buy another product. I tried it on a Gigabyte P5 mainboard with Core 2 Duo and 2 GB RAM, XP SP2, and for reference on an IBM T41 laptop, with a fresh XP install with SP3. Same experience on both. I am currently considering the Swann Guardian, but am hesitant after this experience. Vista Not friendly |

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