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Evolution 360: Camera Placement and Pixel Density

Archives: Industrial Automation and Control

sesa269896
Schneider Alumni (Retired)
Schneider Alumni (Retired)

Evolution 360: Camera Placement and Pixel Density

All camera lenses experience a tradeoff between pixel density and angle of view. This is especially true for hemispheric fisheye lenses where the viewing angle is 180 degrees in every direction.

pixel density.jpg

The fine detail and high pixel count required for facial recognition or license plate reading is limited to close-up views. However, there is a very broad section of the view where detection and identification can occur.

Read the attached Evolution 360 Placement Guidelines to learn about the “4 Zones of Coverage”:

  • Movement Detection/Situational Awareness
  • Object Recognition
  • Facial Recognition
  • Facial Identification

Examples in the guidelines show the pixel densities for two five megapixel Evolution 360 cameras mounted at different heights. The first example is mounted 12 feet high and the second example is mounted at 9 feet high.


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bcooper_nwcu_co
Captain
Captain

Re: Evolution 360: Camera Placement and Pixel Density

Thanks for sharing this article. I have been doing some of this testing myself, and this article outlines the results I found very well. Are there any similar articles that relate to dynamic range and the issues with light and dark areas in the image?