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What's the wide dynamic range (WDR)?

What does WDR or Wide Dynamic Range in the surveillance systems?

Every time a part of the image is incredibly dark and another part of the image is very bright alternative can not see all the specific details of these areas. Dynamic range is the range between the highest and lowest amounts possible of changing such as the amount of light. Cameras with WDR (wide dynamic range) has a unique software that allows to stabilize the image and recover as much detail overexposed and underexposed areas. So these rooms are perfect for recording in certain locations such as the entrances of shops where the contrast between sunlight outside and inside the dark is too high and extremely difficult to be registered.

How does WDR mode?

Cameras may have overexposed and underexposed image problems simply can not properly record the image middle between very bright and very dark. Cameras with WDR technology possesses sophisticated sensors that can generate a wider range of lighting that allow them pretentious record in high contrast light. In addition to the WDR cameras include a number of alternative methods for balancing light and software to generate images much better. Tone Mapping is a function of the camera surveillance software that generates a map of dark areas and bright areas and so the camera knows what part of the image to illuminate. Some cameras are more streams of identical images at different exposure levels and then to have overlapping elements as well balanced in the image, generating a good image per / total. This process requires a very rapid and sensitive sensor light that you can find only on professional sophisticated camera.


How Wide Dynamic Range can help you?

Surveillance Cameras WDR (wide dynamic range) are perfect for the more complicated lighting situations:

  • Showrooms, lobbies and entrances with lots of windows in which the contrast between indoor lighting and natural light creates dark areas and bright areas.
  • Helps indoor monitoring in those situations where light floods the area when the door opens and thus causes the person entering to be recognizable.
  • Working at night when surveillance cameras do not use infrared. They can overexpose some points while other areas are dark.

Before you buy a camera WDR consider the following things:

Can balance the light? WDR function is offered only by professional cameras that can make a hole in your budget. It may be that a better alternative to either change the camera location or adding interior lights to balance images stronger.

If you simply need rooms you can find WDR surveillance cameras professional in our online store. Our cameras with WDR function for professional or residential applications. So you will not have problems with recording in high contrast areas.

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