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Pixim Eclipse™ Ambient Light Rejection Camera

The Eclipse cameras is a special-purpose video camera that delivers consistent monochrome images under all lighting conditions. Based on Pixim’s innovative Digital Pixel System® technology – an image capture and processing system that delivers high-quality video images with enhanced dynamic range – the Eclipse camera overcomes the challenges imposed by ambient light in applications such as facial imaging, surveillance, and machine vision.

Pixim’s Digital Pixel System tehcnology’s fast exposure capability, together with the Eclipse camera’s synchronized-IR active capture and global electronic shutter, enables extreme ambient light rejectioin, and indeed elimination, without any motion artifiacts. As a result, the Eclipse camera produces consistently identifiable images for applications such as license plate capture and facial recognition.

Situations that will benefit from Eclipse-based ambient light rejection cameras include:
•    Biometrics applications
      -    Facial recognition
      -    Iris recognition
      -    Eye tracking (including glint detection)
•    Security
      -    Access control (e.g., airports, government offices, research facilities)
      -    Perimeter control (e.g., borders, warehouses, ports)
      -    ATM video recordings
      -    Choke points
      -    Image-based alarms
      -    Trip wires
•    Machine vision
      -    Robotics
      -    Structured light

Improved performance, cost, power usage
The Eclipse CDK takes advantage of Digital Pixel System capabilities including global shutter, fast aperture and very high-speed on-chip memory.  These capabilities allow Eclipse-based cameras to offer dramatically better performance with less power consumption and at a lower cost than other ambient light rejection cameras.  Eclipse technology also eliminates ambient light from the image, whereas other solutions only reduce ambient light on the order of 10- or 100-to-1, while requiring up to ten times the cost and ten times the power of Eclipse technology.

As a self-contained, compact system, Eclipse technology uses an IR lamp that is driven from an external port, so it can be located outside the camera.  As an example, the illuminator can be located near an entryway and the camera located hundreds of feet away, in a convenient, small, unobtrusive place.

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