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mathew 511 research notes and wiki edits | Moderator


Frac Sand mining- polar light microscopy?

by mathew | 1 day ago | 2 | 153 views | 0

This image is from Wisconsin Watch With the increase in fracking comes a demand for sand used to...

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silica frac-sand particulate-sensing pm


Mapknitter Annotations (GSOC)

by mathew | about 1 month ago | 5 | 619 views | 0

What I want to do There is no single page to find all the work we've done thinking about map ann...

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balloon-mapping mapknitter gsoc annotation


Oil Fluorescence Testing station from a spectrometer box

by mathew | about 1 month ago | 2 | 870 views | 2

Download the cut pattern as a pdf: cutpattern.pdf What I want to do modify the standard deskto...

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spectrometer oil-testing-kit


3D data from image sets & Autostitching

by mathew | about 1 month ago | 4 | 523 views | 0

On our weekly organizers call, we discussed software for doing 3D reconstructions from photos. I...

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mapknitter



20 Oil Testing kits (draft 1)

by mathew | 2 months ago | 0 | 589 views | 0

What I want to do Buy 20 testing kits to Jeff's design. The parts are as follows: 4 square glas...

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spectrometer oil-testing-kit


Eymund Diegel Finds the Fun in Super Fund (GMF #4)

by mathew | 2 months ago | 0 | 428 views | 1

This is an interview by Shannon Dosemagen of Eymund Diegel from Grassroots Mapping Issue #4. bu...

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gmf


Grassroots Mapping Forum #4 in print

by mathew | 2 months ago | 1 | 493 views | 1

GM_Forum_20140205_screen_small.pdf Issue 4 is focused on long-term research in the New York C...

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GMF


Great Infragram conversion video (Canon Elph 130IS)

by mathew | 2 months ago | 2 | 658 views | 1

Dennis Baldwin made this really great video disassembling and converting a Powershot camera

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infragram conversion near-infrared-camera video



SnapPiCam: a Raspberry Pi Point & Shoot

by mathew | 2 months ago | 0 | 638 views | 0

What I want to do I discovered the SnapPiCam, a project to make a point and shoot Raspberry Pi c...

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infragram raspberry-pi


3-class module at Trillium Charter School

by mathew | 5 months ago | 2 | 463 views | 0

What I want to do Teach three blocks of 50 minutes each on grassroots mapping to a collection of...

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portland


Scripting Raspberry Pi to boot and shoot timelapse photos

by mathew | 6 months ago | 5 | 2,235 views | 2

What I want to do I wanted to setup my Raspberry Pi to automatically boot and start shooting pho...

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infragram raspberry-pi near-infrared-camera


telephone poles & streetlights at sunset

by mathew | 7 months ago | 0 | 882 views | 1

What I want to do resolve open questions from my last batch of slit tests. 1) figure out of the...

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spectrometer



Photo-printed collimation slit for the Backpack Spectrometer

by mathew | 7 months ago | 3 | 1,306 views | 1

What I want to do Photo emulsion print a more accurate collimation slit based on ideas from Jeff...

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spectrometer stepped-slit slit


Open Source Linear CMOS Spectrometer

by mathew | 7 months ago | 1 | 1,476 views | 1

The Tricorder Project has just released a linear CMOS sensor spectrometer design. with 3D printin...

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spectrometry spectrometer


Exxon charged with illegally dumping 50,000 gal fracking Fluid in PA

by mathew | 7 months ago | 0 | 632 views | 0

The PA attorney general just charged Exxon with illegally dumping 50,000 gal fracking fluid in PA...

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spectralchallenge


Removing a Raspberry Pi camera IR filter (learn from my mistakes)

by mathew | 11 months ago | 2 | 2,448 views | 0

What I want to do I wanted to remove the IR filter from the Raspberry Pi Camera. I looked a the...

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infragram infragram-conversion raspberry-pi



Standalone NBG export for Images & Video (Mac OS X)

by mathew | 11 months ago | 1 | 1,214 views | 0

What I wanted to do I wanted to make an exporter for NDVI and NBG images using my decade-old lic...

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nbg infragram near-infrared-camera video


Bugs in IR

by mathew | 11 months ago | 2 | 1,036 views | 0

What I want to do I wanted to see what Infragram did for insect photography. My assumption, whi...

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infragram near-infrared-camera


Pole photography

by mathew | 11 months ago | 3 | 1,318 views | 0

I bought a pole, and already thinking about getting another, a "put over." More later.

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balloon-mapping pole-photography pole portland


'Detritivore' Design: How to Use Trash to Create Scalable Tech Solutions

by mathew | 12 months ago | 0 | 1,586 views | 1

Original article on IdeaLab Scarabaeus laticollis via Wikimedia. Detritivores are creatures th...

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idealab waste reuse spectrometer



Modified Filter Switcher

by mathew | about 1 year ago | 6 | 1,744 views | 1

The modification it was really easy to open up the Leopard Imaging LI-IR650 filter switcher wit...

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near-infrared-camera infrared-camera filter-switcher


Capturing full resolution webcam video on a mac

by mathew | about 1 year ago | 0 | 1,532 views | 0

Quicky is a wonderful app that unleashes the Quicktime framework to do full-quality video recordi...

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near-infrared-camera spectrometer spectrometry desktop spectrometer


Sanm camera board for spectrometer kit

by mathew | about 1 year ago | 19 | 5,556 views | 0

Today a small camera board made by Sanm arrived in the mail from Hong Kong. It came without a US...

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spectrometer desktop spectrometry kit kits


IR filter switchers

by mathew | about 1 year ago | 2 | 1,738 views | 0

following up on my IR/Visible light camera dreams, I've been tracking down a component from the i...

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near-infrared-camera infrared ircam infrared-camera



Open Source/hackable Camera platforms

by mathew | about 1 year ago | 0 | 2,084 views | 0

Stand alone kind of affordable Hackacam $150 HackHD $159 LeanXcam €351 Stanford computational ph...

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infrared ircam infrared-camera cameras


IR/Visible light camera dreams & parts

by mathew | about 1 year ago | 10 | 1,964 views | 2

I've been trying to envision what an Visible Light/IR camera would look like as a product. the s...

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near-infrared-camera ircam near-ir


Inspirational deltas

by mathew | about 1 year ago | 0 | 1,183 views | 0

From the kite plans database-- Dan Leigh Delta by Harold Prinzler. Dan Leigh is amazing. Bill Le...

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kite-mapping kites delta diy-kite


John Wells Near IR conversion for 808 HD Cams

by mathew | about 1 year ago | 5 | 1,725 views | 0

John Wells is doing great things with keychain cams over at the West Lothian Archaeological Socie...

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balloon-mapping near-infrared-camera kite-mapping near-infrared



Flying off wind with the Dazzle Delta

by mathew | about 1 year ago | 1 | 949 views | 2

Last sunday I got a chance to test out off-wind flying with the three tail attachment points on m...

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kite-mapping kite fishing kites portland


American Kite Fishing, low-tech Kite-Balloon hybrid

by mathew | about 1 year ago | 0 | 1,898 views | 0

American-style kite fishing, with a low-wind kite-balloon hybrid:

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kite-mapping kite-balloon-hybrid kite fishing