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One decade of experience in the private security sector makes us experts in the operation and use of the benefits of this type of facility, while we strive to be aware of the latest technological developments to incorporate them into our services. . Contact us and let us inform you about the best-closed circuit television solution, leave the concern for the security of your business in our hands.
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Security cameras: know the technologies and know-how to choose
Security cameras are so present in our daily lives that we often do not notice their technological differences, nor do we reflect on their other features, which go far beyond capturing images. But, if you want to deploy or expand your monitoring system, you need to know the possibilities in order to choose and invest in the most suitable cameras for your scenario.
With that in mind, we’ve crafted this content with everything you need to know about security cameras. Discover the main technologies, camera models, their features, possibilities and applications. Follow up!
Security Camera Technologies
We know that the basic function of a camera is to capture images, but they are capable of doing more than that. This equipment – which is part of the most sought after security solution today, the Closed Circuit Television (CCTV) – have different technologies, which directly imply the features and qualities offered.
Did you know that there are analogue cameras, others that only need an internet connection to work, and Wi-Fi models?
Analog Technology
This technology began to be widespread in the 1990s and continues to integrate the system of many types of equipment.
The analogue system works simply by capturing waves in their original form, in audio or video, which are recorded and processed. Through a coaxial cabling structure, the transmission of analogue video is made to a TV circuit.
Advantages of Analog Cameras
- Easy installation – all they need is a coaxial cable and a DVR. It is also possible to use UTP cable + Balun (or power balun).
- Low investment.
- Good image quality – now possible with the development of HDCVI analogue cameras with resolution from 720p to 4K ( 2160p)
- Compatibility – Analog models are easily compatible with systems made up of cameras from different manufacturers.
IP technology
In IP technology – present on the internet, phone calls, emails and smartphone applications – data is captured and transmitted over a network. As a result, its benefits include image quality, remote access and installation flexibility.
Advantages of IP Cameras
- Flexible technology and easy installation – IP installation uses fewer cables because it features PoE, making it easy to expand the system. In addition, the installation is decentralized and it is not necessary to take the cable from the camera to the recorder: the equipment is connected to the network and therefore does not need to be in the same environment. With IP CCTV, it is still possible to use installation with radios or optical fibre.
- A system with guaranteed expansion – The expansion of IP CCTV systems is easy and smart. Keeping the same structure, it is possible to interconnect two groups of cameras with just 1 cable.
- Noise and interference-free – Offering IP CCTV mean selling products with maximum signal quality. IP technology is immune to noise and interference, even running the cable near the electrical network, for example. Either the system works with excellence or it doesn’t work, there is no partial operation
- Exclusive features – Only a versatile system like IP CCTV can guarantee maximum performance from fisheye cameras, with a resolution of 12 MP, superior to 4K. In analogue systems, for example, these specifications work with lower performance, especially in recorders.
- Maximum Video Intelligence – In IP CCTV, video analysis is done in-camera. Processing is decentralized to each camera and does not burden the recorder. Thus, a great advantage of this technology is having video analysis in all the recorder’s channels. Complex functions such as Auto-tracking in speed domes and Heatmap are still unique to IP technology.
Wi-Fi technology
This technology is viable thanks to the Internet of Things – IoT – and brings more convenience to monitoring, especially for indoor and outdoor areas that are not very large. It is also a great option for the care of pets, babies and other people in need of special attention.
Advantages of Wi-Fi Cameras
- Easy installation – no connection cables required.
- They are portable – the cameras are plug and play, just plug them into any outlet to use them.
- High definition images and night vision.
- Accessible from anywhere – in real-time via your smartphone.
- Memory card recording – capable of recording up to two months of images.
- Cloud recording service (Mibo Cloud): 3, 7 or 30-day recording plans with a contract directly through the Mibo Cam app. ¹
¹ Available for iM3, iM4 and iM5 models.
What types of security cameras?
Not only are the technologies different, but there are also cameras with specific characteristics that must be observed when choosing those to compose your security system. Discover the most common types on the market below.
Bullet
The Bullet camera – so-called because it resembles the shape of a firearm bullet – is indicated for outdoor environments where there is the intention of showing the presence of this equipment to provide a sense of security. Due to its format, it is less used indoors, being deprecated by Dome.
dome
Small and discreet, the Dome cameras – which are shaped similar to a dome – are suitable for indoor ceiling and wall installation.
Some of its models are metallic, ideal for busy indoor spaces. There are options with infrared and a security capsule to protect the lens, which prevents the identification of the direction of image capture.
speed dome
These are remotely controllable through a video monitoring centre or by a watchman. Speed Dome cameras have an optical zoom capable of 360° movement.
This camera is best suited for rugged monitoring sites as it is impact resistant.
varifocal
Cameras with varifocal lenses have adjustable focus, making them a good choice for monitoring a specific scene from a distance. For example, to monitor the access gate of a property where the camera cannot be too close.
Security Camera Features and Possibilities
The main function of cameras is to capture images for monitoring, right? But some other features have been developed to expand your possibilities.
The market currently has thermal cameras – for temperature control of people and equipment – models that have features such as artificial intelligence, violence detection, people counting, facial recognition, among others.
The advantages of artificial intelligence
When used in a CCTV system, artificial intelligence brings a series of advantages and functionalities for monitoring, after all, it is a technology with learning capacity, able to recognize patterns and infer about everyday situations. Thus, we can list three main advantages:
perimeter intelligence
Used for monitoring environments that require detailed surveillance – such as airports, ports, banks and government agencies – it differentiates everyday events from facts of risks or threats.
The cameras used in this system have high power zoom and can differentiate solid objects from lights, shadows and wind, and identify vehicles, people and animals of different sizes in any weather or environmental situation.
Proximity measurement between people
In some environments, it is necessary to maintain a certain distance between people – and between people and equipment – to avoid accidents or other risky situations. Cameras with proximity sensors connected to artificial intelligence help in this control, including issuing alerts when the minimum proximity is not met.
Detection of suspicious attitudes
Abnormal behaviours are detectable with the AI, which facilitates the work of security teams. When the system detects unusual behaviour, the central monitoring station or watchmen are notified.
Facial recognition
One of the most popular technologies nowadays, facial recognition is indicated for authenticating access to restricted environments, based on the reading of the faces of authorized persons. It can also be used to identify criminals and offenders, whose actions are captured by surveillance cameras.
people count
This type of technology is intended to count the number of people who enter a certain place or pass through it. From this calculation, it is possible to generate reports that will be used to support, develop and optimize marketing actions and obtain data on the effectiveness of these actions, in addition to helping in the management of spaces in concert halls, stadiums and the like.
How to choose a security camera
Before choosing the monitoring camera for your security system, it is necessary to evaluate some points so that you do not make an unfortunate investment. Consider the following questions:
With these questions defined, it is possible to check the best solution. But, for even more in this choice, see which cameras are most suitable for each type of scenario – homes, small businesses, large corporations and condominiums –, in their external and internal areas.
Houses
For residential environments, it is recommended to have a security system with quality devices and good resolution images, as the objective is to monitor actions in your home and/or property.
outdoors
In outdoor areas, as the intention is to show that there is a camera on-site, we recommend choosing Bullet cameras – analogue or IP technology. To monitor a balcony or other open area adjacent to the home, portable Wi-Fi technology equipment can also be installed. If you still want a camera just for your house’s gate, the varifocal model is the best.
Indoor areas
Dome cameras are great to have indoors and can be connected to the video surveillance system. But the portable models – Wi-Fi – are more practical and images can be accessed by cell phone in real-time. Furthermore, it offers a good field of view and the image resolution is high definition.
Small business
In small companies, it is necessary to take into account CCTV and investment in equipment capable of storing larger amounts of data and providing better image resolutions.
outdoors
Bullet cameras are the most suitable models for monitoring access to a business or to an external patio where employees can live.
Indoor areas
Portable equipment with a Wi-Fi connection performs well for small environments such as offices, offices, beauty salons, small businesses and classrooms.
Now, if the environment is wider, the Bullet and Dome models are more useful because they allow the connection with the CCTV – connecting several cameras to the same system – and because they have a greater image amplitude.
Large corporations and condominiums
For projects in large corporations, condominiums and other areas with a lot of people – such as shopping malls and public spaces – you should value high-level performance and performance. IP technology equipment and with higher resolution resources, such as Full HD or 4 MP, provide more detailed images.
outdoors
Bullets cameras are again the most suitable. Speed Dome is another option, especially for monitoring spaces where risky events are possible. Smart models that do people counting, face detection and heat maps also have value in certain cases.
Indoor areas
Dome cameras are the most recommended here because of the good viewing angle they offer. They can be installed in common areas, corridors, elevators and other very frequented spaces.
Conclusion
Now that you know better the types, technologies and features of security cameras, it’s time to plan your surveillance system. Reflect on the application scenario and objectives for investing in something that meets your demands. Don’t forget that the most advanced technology is not always interesting for your project.
Photo Credit : Vivint
