WDR Manufacturer Cheat Sheet and Camera Tracking

By: Ethan Ace, Published on Nov 11, 2014

Manufacturers are regularly cryptic about what WDR support they actually provide.

They invent marketing buzzwords. They self assign dB rating that cannot meaningfully be compared across manufacturers.

In IPVM's testing, the key differentiator we have found is support for 'true' multi-exposure WDR (see our WDR Tutorial for background), instead of 'fake' digital / electronic / software only WDR.

Added To Camera Finder

We have verified and complied what camera models are true WDR and have added this to our Camera Finder (under imaging, select WDR = Yes).

To provide some clarity we have compiled this "cheat sheet" for many camera manufactures, detailing what is and is not a true WDR camera.

The Cheat Sheet

This chart below provides a reference across manufacturers with notes as to marketing specifics, naming conventions, etc.

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Comments (6)

This is awesome takes out a lot of the deciphering and makes it easy on the integrator to properly match the right camera for the intended needs on a project. I have shared with my colleagues what I am learning from IPVM University and they are amazed at the levels and quality of the tools developed by IPVM for use by the professional membership and students taking courses towards certification. Thanks and keep up the great work!

This is a very valid and necessary discussion. Finally there should be a standardized measurable dB value to compare the dynamic of cameras independantly from the marketing names. "The actual dynamic range of the camera is measured
using Opto-Electronic Conversion Function (OECF) analysis with a standardized test chart based on ISO standards."

There should be standardized measurable dB values for WDR. There also should be standardized minimum illumination ratings. Unfortunately, I do not see that coming, since it would require coordination and acceptance across the hundreds of surveillance manufacturers / OEMs.

So John, have you guys given any thought to writing a WDR standard and provide testing? Sort of the UL of the video world? Could be a new business model for you of collecting fees from the manufacturers to test their cameras and label them – IPVM approved!

Rob,

We will not accept payment from manufacturers for testing. It is a fundamental conflict of interest.

It also would not work because manufacturers would just avoid it if they felt their products would do poorly. UL tried to do this for video surveillance and is not gaining much traction. See: UL2802

Update: Panasonic has introduced yet another new variant of their Super Dynamic WDR, called Extreme, part of their i-Pro Extreme line. We plan to test it in the next few days.

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