What are the different types of IP cameras?

This is a 20K ft question. First, analog is analog, not IP. Analog cameras use IP encoders to digitize the signal which has it's limitations. As for different types of IP cameras, there are hundreds of different types based upon function, size, feature sets, processers and onboard software (analytics) and storage capabilities. Marry all that with the VMS or DVR platform and the system starts to take shape based upon an end user's specific needs.

Analog signal can be transmitted in various different ways :coaxcial, twisted pair and optical. Analog signal has couple of advantage over digital signal (in ethernet network): 1. Longer cable lenght (single pull) without additional active equipments. 2. Low latency. In analog video image the latency is really low vs. every switch, cable run and encoding/decoding creates more latency to IP video stream. 3. Cyber security. If you hack one analog camera cable you are not able to panetrate the network or see any other cameras. There are also analog HD solutions (CVI, TVI, AHD) available in various vendors which are usually used in retro fitting installations or special applications where low latency HD solution is required.

également, à préciser : dans le cas de l'analogique, c'est un cable coaxial qui doit aller systématiquement de la caméra à l'enregistreur. Aucuns intermédiaire comme nous pourrions l'avoir dans les solutions IP où un switch RJ45 pourrait étre installer entre les deux équipements, soit pour la distance soit pour manager le cablage.

Although old technology, there are instances where high def analog cameras can solve problems with cable distance, utilizing existing types of wire, extreme environments where higher voltage can support accessories such as heaters, blowers, PTZ, etc. There’s no doubt that IP has come a long way but a mediocre network environment is unforgiving.

In my experience, analog cameras also require another cable run for power, while an IP Camera can be powered via Power-over-Ethernet if engineered as a PoE camera. That's a single cable run for data and power as an Ethernet (CAT 5e or CAT6) cable has eight copper strands, two of which can be used for power, while coaxial is just a single half-duplex wire.

Wireless is such a broad category. There's Cellular, WiFi, Mesh and Millimeter Microwave (for long distances). I've worked with every type of wireless technology and what I can say, without doubt, is that Cellular (3G, 4G, 5G, etc) and WiFi are engineered for capacity more than bandwidth. The moment another device connects, the bandwidth shrinks which can cause latency, artifacting and connection problems with streaming video, unless one of two frames per second with double or triple digit latency is acceptable. Wired is the way to go for commercial or industrial use. Full duplex, dedicated and secure.

En fait vous avez aussi des caméras Wi-Fi, alimentée sur secteur avec un "Transfo" 220V/12V. Cela permet de les contr?ler les administrer en Wi-Fi sans cable RJ45. Mais de conserver une alimentation electrique régulière sans batterie.

In the dynamic realm of broadcast video IP, choosing between wired and wireless IP cameras is crucial. Wired cameras offer reliability with physical connections, ideal for controlled environments. In contrast, wireless cameras, whether utilizing Wi-Fi or 4G connectivity, provide unmatched mobility for on-the-go broadcasts. Professionals often leverage 4G encoding backpacks like LiveU or Kiloview, ensuring flexibility. However, challenges arise in crowded areas or Wi-Fi congested zones. In broadcast, where reliability is paramount, wired cameras shine. Yet, for unmatched flexibility, wireless solutions, be it Wi-Fi or 4G, become the go-to, emphasizing the need to balance reliability with adaptability.

WiFi remote cameras should always have a dedicated back up supply, to back up poor solar or wind generation, as long as the cameras are encoded correctly and your network provides secure passwords and protection they are stable source subject to power

I’ve used wireless cameras whenever there’s a situation that calls for a temporary solution or one where the cost of installation far outweighs the cost or benefit.

PTZ cameras in a manned viewing environment is absolutely the way to go. I’ve found that adding a fixed camera to a PTZ location helps to insure that there is some general area coverage whenever the PTZ is viewing elsewhere.

Triple and quad PTZ have proved very useful. Quality of dual, triple and quad cams I have experienced has improved greatly too.

Static cameras offer a dedicated fixed view where as a PTZ has a tendency to be looking in the wrong direction due to operator errors, this is removed with fixed views and will always offer a definitive view of a secure area

PTZ camera provide area-of-coverage flexibility for live monitoring or event archiving. Most of our customers require a fixed area-of-coverage as they don't want anyone changing the field-of-view from that specific area of interest, either for live monitoring or forensics archived footage.

Let’s add up few things: The PTZ cameras usually have 2,4,8 megapixels in used resolution. Among Chinese ???? vendors You might also see 3 and 5 Megapixels but these resolutions are not frequently used because of the aspect ratio. The fixed models very often go beyond 8 megapixels with up to 60 megapixels. You can see the difference and impact it might have when recording certain areas. The PTZ have many advantages but their role is to identify particular things while fixed record the whole scene.

In my experience, dome camera work better indoors within a controlled environment as the domes create glare from the sun and get dirty faster, deteriorating the image quality. They are better as a deterrent, as with a smoked dome, bad actors may not see where the camera is pointing. Bullet cameras seem to be a better fit outdoors - easier to install, includes a sun shade and attracts less dirt.

You will find fans of both types of cameras for sure. When You are inside and it’s an office You should surely use Dome, while in an outside environment Bullet is You type for sure. There are basically two types of dome cameras but one type is “called” turret. It seems that this model has more advantages than the classical dome with “bubble” cover of the lens. It’s more like a bullet but much smaller. Poles, walls - be sure Bullet will be much better. The same goes for LPR, if it’s not a box camera it will be Bullet most likely. As we talk about types, there is no difference in types of resolutions for those cameras. You will find all frequently used:2,3,4,5,6,8,12 megapixels.

Dome cameras are discreet, with a wider field of view. They're suitable for indoor use, providing a sleek design. Bullet cameras are more visible, have a longer range, and are ideal for outdoor surveillance. Dome cameras are vandal-resistant, while bullet cameras are weatherproof. Choose based on visibility and installation location.

Day/Night IP cameras switch between color and black-and-white modes based on light levels, excelling in low light but ineffective in total darkness. IR IP cameras use infrared LEDs to illuminate scenes, enabling black-and-white image capture even in complete darkness. Choose based on lighting conditions and the need for night vision capabilities.

Pixel depth is a key factor in the success of training custom video analytics models with higher accuracy and confidence. Standard definition, up to D1 resolution is very limited in the amount of data available for object recognition or facial recognition. A minimum of 1080p makes the world of difference in video quality and usability.

Distance/Megapixel Understanding your field of view to determine the appropriate megapixels. For more general viewing of an area a 1080P camera may be suited whereas a parking lot trying to identify license plates, vehicle make/model a higher megapixel may be best suited. Understanding the customer/application will help determine what cameras should be selected. Lastly, confirm that the VMS platform can support the camera resolutions.

Standard IP cameras offer lower resolution, suitable for basic surveillance. HD IP cameras provide high-definition video, offering clearer and more detailed images. HD cameras are ideal for applications requiring enhanced image quality and better identification of objects or individuals.

Sur la rubrique 5, ajouter une notion pour les colorvue permettant une vision couleur la nuit à l'aide d'une led pourrais être intéressant.

Cameras and storage are two crucial points of every CCTV system. On top of it there should be a VMS, good proper software which allows full use of all cameras and their intelligence. You can have very good cameras but if they run under bad software You will be driving Mercedes Benz 6.3 V8 with a speed of 70 km/h max and always. Therefore only all components used together and using their full potential in every direction will allow You to properly secure a site or critical facility.