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Using Mitsuba for images out of visual spectra #93

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mfloresVicomtech opened this issue Apr 17, 2020 · 4 comments
Closed

Using Mitsuba for images out of visual spectra #93

mfloresVicomtech opened this issue Apr 17, 2020 · 4 comments

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@mfloresVicomtech
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Hi, this is more a question than a problem. I'm involved in a project were we need to be able to emulate imagery taken with an infrared camera shooting an industrial furnace. As burners are emitting at a very high temperature, fire is almost invisible to human eye, and most of the emitting & reflecting light is out of this spectra.

So seen that Mitsuba is able to calculate at spectra level, I would like to know if it handles infrared values and how would in that case represent output.

@diiigle
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diiigle commented Jun 5, 2020

Maybe #161 helps.

@Speierers
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I will close this for now as this isn't a bug.

@wjakob
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wjakob commented Jul 14, 2020

One quick response from me also for posterity: there should be no problem in using Mitsuba 2 to simulate infrared as long as it still behaves more or less like light in the visible spectrum. You'll have to tweak the sensor response function of the camera, but that's it basically.

Mitsuba won't give good results for long wavelengths where thermal conductance and convention play an increasingly important rule. If this is what you need, then I suggest looking for tools that are specialized for thermal IR simulations.

@mfloresVicomtech
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Thanks for all the info, #142 looks promissing on this.

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