Versatile Two in One Cameras

InfraTec GmbH, Infrarotsensorik und Messtechnik

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InfraTec offers an entirely new level of flexibility for its high-end camera series ImageIR^®. Users can choose between two speed modes for the same camera. In normal mode, the familiar frame rates for full frame, half frame and sub-frame are available with full spatial resolution. In high-speed mode, images can be taken with the identical FOV – while the frame rates increase to more than three times the previous value and the thermal resolution increases at the same time. Decrease the number of pixels, keep the FOV.

The principle behind this new option is called binning. In the course of this, four pixels of adjacent lines and columns are combined into one pixel in each case. Consequently, the number of pixels of the resulting thermal image decreases. However, the FOV remains constant, so that the scene section captured with the camera does not change. Switch over once, benefit twice. Switching between both speed modes is done conveniently by software.

For users this means a twofold benefit. Firstly, they can analyze identical measurement scenarios under various aspects. If this involves depicting the smallest geometrical details, they use the native number of pixels of the camera detector. If greater emphasis is to be paid to the exact time lapse of a fast process, they revert to binning and the associated higher frame rates. Secondly, this allows using a single camera for the analysis of different measurement scenarios, which previously might have required the use of several different thermographic cameras. High-speed mode also increases the thermal resolution. In addition to speed, the signal-to-noise ratio improves in high-speed mode by a factor of approximately 2 due to the larger effective pixel area. This increase in thermal resolution ensures that even smaller temperature differences can be detected reliably.

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