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OpenHour Archive

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commented on Boston PLOTS Meet Up - Tidmarsh Farm

I'll be there! Would love to see the equipment for balloon or kite mapping and a demo.

7 comments » almost 5 years ago

warren commented on Vegetation Mapping

Hi Gena - when did this mapping take place? Is there a list of all the mapping days you've had at...

4 comments » almost 5 years ago

osbock commented on Raspberry Pi-in-the-sky

Fantastic work! I'd be happy to help add some other sensors to this project if you are interested...

5 comments » almost 5 years ago

eustatic commented on Bohemia Spillway kite photos

http://publiclaboratory.org/map/floodgate-control-structure-bohemia-louisiana/2012-04-07

5 comments » almost 5 years ago

Ioan commented on Spectrometry discussion across the web

It seems that reflections between the air/glass/air/silicon boundaries adds constructively and de...

11 comments » almost 5 years ago

Ioan commented on Spectrometry discussion across the web

Hi Jeff. I found that the "wobbling" problem is in fact a nasty interferrence pattern which aris...

11 comments » almost 5 years ago

warren commented on Spectral Workbench

Hi, Matt - quick fix is here: http://publiclaboratory.org/wiki/opera-mobile Not ideal, but it's ...

6 comments » almost 5 years ago

garlicmustard commented on Mobile (Android) version of Spectral Workbench

On my Android with Opera Browser, when I got to spectralworkbench.org/capture, it asks me to down...

28 comments » almost 5 years ago

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

Mathew, Thanks for the optical semaphore link! This really sent me down a wonderful rabbit hole...

13 comments » almost 5 years ago

Bob commented on Prototype Raspberry Pi-based dual IR cam

Nice work. If you'd like to avoid the protruding SDHC card, adafruit has a microSD adapter: "Low-...

6 comments » almost 5 years ago

commented on The gas leak from an old apartment.

hi can i get to see the arduino code for this ? can you explain please ? can u attach the code he...

8 comments » almost 5 years ago

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

Just added some pictures of folding up the new design. I only had light colored paper on hand, bu...

6 comments » almost 5 years ago

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 » almost 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 » almost 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 » almost 5 years ago

Saturn commented on Spectral Workbench

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

6 comments » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 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 » almost 5 years ago

Guides wiki page

by warren over 6 years ago | 0 | 2

Pyrex thermal infrared transmissivity

by warren over 6 years ago | 0 | 0

NRG image of Lima from balloon

by warren over 6 years ago | 1 | -1

Focus shift in bifocal filter?

by warren over 6 years ago | 1 | 0

Kinect for 3d mapping from a car

by warren over 6 years ago | 2 | 0

Images arriving from loose flight over Lima

by warren over 6 years ago | 0 | 0

Nice spectra

by warren over 6 years ago | 0 | 2

Great shot for NDVI

by warren over 6 years ago | 0 | 0

Example NDVI usage in a vineyard

by warren over 6 years ago | 1 | 0

Bifocal infrared/visible filter on a camera

by warren over 6 years ago | 0 | 0

NDVI test in Lima Peru

by warren over 6 years ago | 2 | 0

Very clear spectrum through pineapple

by warren over 6 years ago | 6 | 0

The Roomba Project

by byeongwon over 6 years ago | 0 | 0

Plant spectral timelapse (~7hrs)

by warren almost 7 years ago | 2 | 0

UV photography & quartz lenses

by warren almost 7 years ago | 6 | 0

Using the HITRAN database for spectral analysis

by warren almost 7 years ago | 5 | 0

Methane absorption band at around 1100nm

by warren almost 7 years ago | 0 | 0

Scanning spectrometry video test

by warren almost 7 years ago | 0 | 0

Bayou St. Denis in Cartagen Knitter

by warren almost 7 years ago | 0 | 0

Toy spectrometers arrived

by warren almost 7 years ago | 0 | 0



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Irma

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Irma

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Barnraising

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OpenHour Archive

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soc

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Hurricanes

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Storm response

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Method

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Methods

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Image Sorting

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Water Sampling

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Soil Sampling

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Sampling

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