WORKSWELL WIRIS PRO - Screenshot JPEG; IR Super-Resolution JPEG

14. IMAGES AND VIDEO
14.1.3 Screenshot JPEG
Screenshot of current display in JPEG format. User can save the current display state, including overlays and
menu with the excepon of ADVANCED MENU (since capturing and recording while in ADVANCED MENU is not
supported).
14.1.4 IR Super‐Resoluon JPEG
Plain JPEG image from thermal camera without any overlays, containing addional temperature informaon for
super‐resoluon image reconstrucon.
Super‐Resoluon image capture leverages advanced algorithms that allow for a higher spaal resoluon to be
calculated, with high quality detail maintained and superior to typical single‐frame re‐scaling tools.
Figure 14.1: Example of the results aainable with Super‐Resoluon shots. The lemost sample is the same
image simply stretched using typical bicubic algorithm, the later three samples are reconstructed through the
superresoluon algorithm with varying number of samples (maximally 16) and processing me. The example
shows a slice of a larger picture.
Super‐Resoluon funcons by capturing a rapid succession of frames as if in a radiometric sequence, however
they’re then processed to produce a single higher resoluon (typically approximately double in both dimensions)
frame.
The funcon comes with certain caveats. The calculaon to produce the nal result is quite resource intensive
and cannot be performed on the WWP camera itself; instead, the data is captured in a special format and have
to be processed on an external computer aerwards, using the CorePlayer or Thermolab soware.
Another caveat is that while the algorithm can provide higher detail, it tends to be at cost of introducing or am‐
plifying addional noise or visual arfacts. In most situaons though, the resulng images should be universally
of higher quality and also retain radiometric, thermal measurement enabling quality.
Even the capture of the Super‐Resoluon data is quite demanding, with capture duraon depending on the IR
camera’s frame rate. It is recommended that Super‐Resoluon images are taken alone with no other formats
captured simultaneously, and it is recommended the number of Super‐Resoluon frames is kept low; even 16
frames typically produces very good results. User can decide the number of frames to be captured for a single
Super‐Resoluon image before capturing. Frames can be oponally discarded during processing, but it’s impos‐
sible to increase their number in processing beyond the count that has been set before capture.
While the Super‐Resoluon algorithm does aempt to account and compensate for moon in the scene, it is
recommended these shots are taken from as stable and stac posion as possible and work the best when
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Version: 201215 EN, 15
th
Dec, 2020
All pictures are only for illustraon.
Real values may vary.
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