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cfastie commented on Lincoln Peak Vineyard

Hi Sara, The NDVI analysis did not get very far because these images did not register very well. ...

3 comments » over 5 years ago

mathew commented on Video/Audio interface, Web page & Microcontroller

I find it hilarious that DARPA would pay someone to reconceptualize optical semaphore, which is m...

13 comments » over 5 years ago

Sara commented on Lincoln Peak Vineyard

Hi Chris, These photos are fantastic. Did the NDVI reveal anything the visible light photo didn'...

3 comments » over 5 years ago

Saturn commented on Spectral Workbench

Hi Jeff If you get this sorted out would be very interested. Thanks Matt

6 comments » over 5 years ago

Ioan commented on Spectrometry discussion across the web

Hi Warren, sorry for posting so late but I tought my comment will not be published...:) Your wob...

11 comments » over 5 years ago

cov commented on Video/Audio interface, Web page & Microcontroller

The audio jack seems like a decent stop-gap. Long term, however, I would highly suggest trying to...

13 comments » over 5 years ago

donblair commented on Video/Audio interface, Web page & Microcontroller

Hey Mathew -- Nice links! You're totally right about video analysis being processor-intensive; J...

13 comments » over 5 years ago

mathew commented on Video/Audio interface, Web page & Microcontroller

these are great ideas-- video especially. I've dreamt of creating classic analog tools (like a s...

13 comments » over 5 years ago

liz commented on Yellow Bar Island Habitat Creation

How interesting that you will be able to compare these two implementations side by side! Sounds l...

3 comments » over 5 years ago

warren commented on Webcam Conversion to (Near-) Infrared

The bright bulbs must be the ones with extra coatings to look "warmer" - mostly terbium and europ...

35 comments » over 5 years ago

patcoyle commented on map of Bayou Bienvenue CIAP restoration ("B" of Green Slice area)

I have also had issues and wasted flights trying to use tape alone. For continuous mode shooting,...

5 comments » over 5 years ago

Tom_H commented on intensity calibration

Here are some info and data sources: solar radiation and air column: http://en.wikipedia.org/wiki...

29 comments » over 5 years ago

patcoyle commented on Flight Temperature

Chris, really neat. Again, I love the fusion of the gps info with the fly-through point-of-view. ...

3 comments » over 5 years ago

patcoyle commented on Software for structure from motion

Thanks Ned, great overview. Nice example result. I just got my visible/IR A490/495 camera pair ba...

1 comments » over 5 years ago

commented on Sky Tracks

Chris, this is terrific. Delightful way to integrate the gps info with the place as presented via...

7 comments » over 5 years ago

warren commented on Designing a Spectrometer in the 1nm range for <10$ - PART 1

Posted updated designs on a paper insert for a conduit box design. I was looking carefully at you...

7 comments » over 5 years ago

warren commented on First draft vector files for foldable mini-spectrometer

The design is scaled, so if you download you can see the dimensions. But the basic unit is a 1" s...

6 comments » over 5 years ago

warren commented on intensity calibration

Well, if we can come up with an easy calculation, I could code some JavaScript to find your locat...

29 comments » over 5 years ago

commented on Carbon Arc

Sure Jeff.. I will be working up a better video relating to the unit at a later date, but by link...

7 comments » over 5 years ago

leetcat commented on Comparisons of oil samples and residues in UV light

I want to measure different olive oils. But I do not understand what I am looking at if I do that.

1 comments » over 5 years ago

commented on First draft vector files for foldable mini-spectrometer

Will these work with emissions? I hope so. I'm planning to use it to measure gas mixtures insid...

6 comments » over 5 years ago

warren commented on Mobile (Android) version of Spectral Workbench

Hey buzzy - we'll be posting some instructions soon, check out the early design diagrams here for...

28 comments » over 5 years ago

warren commented on Spectrometry discussion across the web

No, haven't had a chance... still looking a bit moire-ed https://spectralworkbench.org/spectra/s...

11 comments » over 5 years ago

warren commented on Matching olive oil spectra in SpectralWorkbench

rsevs3 - yes, and I've been working on webcam code for the Raspberry pi and would love to collabo...

3 comments » over 5 years ago

Tom_H commented on intensity calibration

I probably won't have chance to try this for some time because of other things going on right no...

29 comments » over 5 years ago

PlanetenPaultje commented on Carbon Arc

Mind that the original carbon electrodes for carbon arc lamps have a slightly less dense core in ...

7 comments » over 5 years ago

commented on Ultraviolet fluorescence in BP oil residue and olive oil

How deep into the UV can your spec detect...transmitted light? My apologies if this is old news, ...

2 comments » over 5 years ago

commented on Spectrometry discussion across the web

Hi there! Did anybody sorted out the "wobble" problem? I have finally finished my own spectromete...

11 comments » over 5 years ago

eustatic commented on "Ground" Control Points for Bayou Bienvenue

Pictures of actual Placement foot anchor while placing balloons map of actual comi...

5 comments » over 5 years ago

How to connect to a Vivitar $10 Walgreens camera

by warren almost 7 years ago | 0 | 0

Spectrometry UROP 4/20/11 update

by Alex-McCarthy almost 7 years ago | 0 | 2

Notes from 4-19 staff call

by gonzoearth almost 7 years ago | 0 | 2

Infrared camera hacking at Parts and Crafts

by warren almost 7 years ago | 0 | 0

Spectrometry UROP 4/16/11 update

by Alex-McCarthy almost 7 years ago | 0 | 2

Notes from Tues April 12 staff call

by warren almost 7 years ago | 0 | 2

Spectrometry UROP 4/8/11 update

by Alex-McCarthy almost 7 years ago | 0 | 2

Notes from Tuesday PLOTS staff call

by warren almost 7 years ago | 0 | 0

Spectrometry 1st week plan

by Alex-McCarthy almost 7 years ago | 0 | 2

Extra-slow SD cards for balloon mapping

by warren almost 7 years ago | 1 | 2

NDVI-NRG infrared tests from an airplane

by warren almost 7 years ago | 0 | 0

Live video NDVI with infrared-visible-video-kit

by warren almost 7 years ago | 0 | 2

Barataria Bay Flyover

by Adam-Griffith almost 7 years ago | 0 | 2

Port Sulphur reference map

by warren almost 7 years ago | 0 | 2

Quantify wetland from aerial UV photo

by cesarharada almost 7 years ago | 1 | 0

Third thermal photo

by warren almost 7 years ago | 0 | 0

Thermal photo 2

by warren almost 7 years ago | 0 | 0

First thermal photo

by warren about 7 years ago | 0 | 0

Gowanus Canal balloon tests

by warren about 7 years ago | 0 | 2

Guides wiki page

by warren about 7 years ago | 0 | 2

Pyrex thermal infrared transmissivity

by warren about 7 years ago | 0 | 0

NRG image of Lima from balloon

by warren about 7 years ago | 1 | -1




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