[SS2S-Main] Re: Infrared webcam

  • From: Nathan Asdourian <rawliquid@xxxxxxxxx>
  • To: sugarshot@xxxxxxxxxxxxx
  • Date: Tue, 6 May 2014 22:37:22 -0700

Along the same line, there is a company that makes an array sensor, I
forget exactly how many but it had somewhere in the range of 6-10 of the
low resolution contactless sensors, and was set up to be polled
consecutively for the purpose of reducing the time needed to take an image.

On Sun, May 4, 2014 at 5:10 AM, James Fackert <jimfackert@xxxxxxxxx> wrote:

> infrared mapping cameras are getting down in the $1500 range these days...
> and there are some interesting low res (4x4?) infrared detectors that
> should make for interesting products.
>  google infrared flashlight for an interesting technique using a single
> narrow field IR temp detector and a spot light to paint the scene... but
> nobody has rigged it to a scanner yet. ;-)
> time delay (speed of response) may be an issue... they are mostly used to
> view steady state situations like home thermal loss or electric panel
> overheating checks.
> On Sun, May 4, 2014 at 6:41 AM, Redacted sender monsieurboo@xxxxxxx for
> DMARC <dmarc-noreply@xxxxxxxxxxxxx> wrote:
>> Those puppies are in the mid-four figures.  People who do home or
>> business "energy audits" have access to them.  Time to cultivate some
>> friendships!
>> (On the other hand, the new BLUR cameras (Backwards Looking Ultra Red)
>> are about the same price and would allow us to look retrospectively at our
>> previous attempts and collect new data from old tests..!)
>> Cheers,
>> Mark L.
>>  -----Original Message-----
>> From: Jon Cherba <joncherba@xxxxxxxxx>
>> To: sugarshot <sugarshot@xxxxxxxxxxxxx>
>> Sent: Sat, May 3, 2014 10:21 pm
>> Subject: [SS2S-Main] Re: Infrared webcam
>>  Sounds like you need FLIR for this project...
>> On May 3, 2014 9:12 PM, "Lampe, Mattias SLC CT PEK" <
>> mattias.lampe@xxxxxxxxxxx> wrote:
>>>  Hi,
>>> I think removing the internal IR filter works with most webcams, and if
>>> you want to make sure you ONLY see the infrared but not the visible part of
>>> the spectrum, you can add a filter that only lets infrared light pass. A
>>> piece of overexposed and developed color negative film (like from the
>>> beginning of a film roll) works quite well for that purpose. It blocks
>>> nearly all visible light and is quite transparent for IR. If you know
>>> someone who still shoots pictures on film or someone who did so in the past
>>> and kept the negatives, they should be able to find a suitable piece of
>>> material.
>>> Not sure how you want to use the IR camera, but you should be aware that
>>> it will not be a thermal imaging device. It will be sensitive only to near
>>> infrared, and in order to emit those wavelengths a body must be quite hot
>>> already, i.e. close to glowing.
>>> I have a few unused webcams at home and will check if they can be
>>> converted.
>>> Have a great day!
>>> Mattias
>>>   *From:* sugarshot-bounce@xxxxxxxxxxxxx [mailto:
>>> sugarshot-bounce@xxxxxxxxxxxxx] *On Behalf Of *James Fackert
>>> *Sent:* Saturday, May 03, 2014 1:18 AM
>>> *Subject:* [SS2S-Main] Re: Infrared webcam
>>>  here is one, $30.
>>> http://www.adafruit.com/products/1567
>>>  On Fri, May 2, 2014 at 9:53 AM, Lyn Berry <lyn_berry@xxxxxxxxxxx>
>>> wrote:
>>>  Hi
>>> I am no expert but if memory serves webcams contain an IR filter. If the
>>> filter is simply removed the webcam becomes much more sensative to the IR
>>> part of the spectrum.
>>> QED
>>> Regards,
>>> Lyn Berry
>>>    On Friday, 2 May 2014, 12:52, Vicente Alvero Zambrano <
>>> vicente_alvero_14@xxxxxxxxxxx> wrote:
>>>    Hi,
>>>  Does anyone know and is willing to turn a webcam into a webcam with
>>> infrared vision for the series of motors VIC and to study the ablative
>>> materials?
>>>  Cheers
>>>  Vicente Alvero

I respectfully decline the invitation to join your hallucination.

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