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UltravioletPhotography

Thermal IR buildings


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I got a FLIR i7 a few years ago, and since then I've been stitching together pictures of buildings and landscapes. The FLIR camera has a resolution of just 160x120 pixels which are then interpolated. Most of these images were hand-stitched from 30 or more individual pictures; more recently I've gotten better at coaxing Photoshop into doing it for me automagically. All the visible photos were by iPhone, and the near infrared is from my IR-converted iPhone 4.

 

A local hill that stands over a monastery:

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Kenmore Square, Boston, Massachusetts, US. Note the glowing bus shelter! It was a hot summer day.

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My own apartment last winter (before the snow came):

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Standing on the fire escape of my apartment. You can really see the errors in the stitching on this one, sorry!

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Yawkey station, near Kenmore (above), waiting for the train. Of note here: the advertisement shows up in the thermal because the dark parts absorb sunshine better. If I take thermal IR pictures of advertisements near sunset, I can actually watch the advertisement go blank as the surface approaches uniform temperature.

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Absolutely fascinating, Andy. Thanks for posting this!

 

Great work with all the stitching. That's not easy using such small rectangles. Bjørn has a pano app he recommends which might be an improvement over the PS version. So I hope he sees this thread and mentions it.

 

Look how hot the street was on that summer day!

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Andrea means PTGui. It is very good. Also capable of handling many image with ease and is lean on its memory consumption. I have sometimes stitched 200+ images each of 60 MB and although the process is *not* instant, not that time-consuming either.
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