Notes tagged with near-infrared-camera


NIR and white balance

by cfastie | about 4 hours ago | 0 | 51 views | 0

Above: An LED which emits only near infrared light around 850 nm photographed under normal room l...

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infrared led frosted-globe white-balance


Mobius IR conversion

by cfastie | about 13 hours ago | 1 | 110 views | 2

Above: The Mobius ActionCam opens with two screws. One more set screw and you can expose the IR f...

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infrared mobius-actioncam infragram near-infrared-camera


Open-Lux REV-N: Full Circle

by donblair | 2 days ago | 3 | 249 views | 1

(This is a quick note to post materials I've gathered after updating the Open-Lux design -- will ...

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thermal-photography thermal-flashlight thermal-fishing calibration


Mobius Filter-O-Matic

by cfastie | 5 days ago | 2 | 209 views | 0

To figure out how to get the best plant health images with a Mobius ActionCam, I will remove the ...

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infrared 3D-printing mobius-actioncam infragram



Mobius and NIR

by cfastie | 6 days ago | 1 | 244 views | 1

Above: The Mobius ActionCam (top), one of the earlier "spy" cams (lower), and LEDs for testing. ...

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infrared led frosted-globe histogram


Mobius Action Cam Infragram tests

by warren | 13 days ago | 5 | 483 views | 0

What I want to do Based on an ongoing discussion about whether the Mobius Action Cam (a ~70 gram...

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response:9302 response:9325 response:9296 response:9293


Revamping infragram.js to to the job on the client side

by ghk | 18 days ago | 7 | 604 views | 2

What I want to do Run infrablue transform on the client (aka Javascript) so that I dont overload...

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near-infrared camera near-infrared-camera infragram


Mapping the NVCC campus using a flower pot as a camera rig

by gustrow | 18 days ago | 5 | 757 views | 4

What I want to do This was part of my internship project at the Northern Virginia Community Coll...

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balloon-mapping chdk field-test near-infrared-camera



NIR cameras and color histograms: what information is really there?

by ttaylor | about 1 month ago | 2 | 942 views | 0

What I want to do Along the lines of Chris Fastie's post last September, I've been wondering wha...

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histogram histograms near-infrared-camera infrared


Raspberry Pi Camera Rig

by SeanKMcGinnis | about 1 month ago | 2 | 1,146 views | 2

I have been playing with the Raspberry Pi for a while now and I thought it was about time to docu...

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raspberry-pi near-infrared-camera balloon-mapping


More "Fake" NDVI

by Ecta64 | about 1 month ago | 4 | 743 views | 0

hello again. I have been trying to generate NDVI imagery without using infrared filters and simul...

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ndvi near-infrared-camera infragram infrared


"Fake" NDVI?

by Ecta64 | about 1 month ago | 5 | 672 views | 0

I am not a specialist in regards to multispectral imaging so I thought I would ask the community ...

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infrared near-infrared-camera infragram ndvi



NDVI 720nm, 850nm filter two camera setup result.

by gpenzo | 2 months ago | 12 | 1,098 views | 1

What I want to do I made a simple test two day with my canon two camera setup. Canon 2500 runnin...

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NDVI near-infrared-camera CANON NIR


Great Infragram conversion video (Canon Elph 130IS)

by mathew | 2 months ago | 2 | 657 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


NVDI with canon a2500

by gpenzo | 2 months ago | 5 | 1,130 views | 2

What I want to do My goal is to make nvdi images of farmland. Hopefully the quality will be good...

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


Impact white balance & stretching on NDVI

by radialmind | 2 months ago | 10 | 786 views | 1

What I want to do After my research note yesterday here I'm posting some pictures that are signi...

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ndvi infragram near-infrared-camera



Comments and questions on NDVI

by radialmind | 2 months ago | 5 | 597 views | 0

What I want to do I have converted a Canon Powershot ELPH 300 HS to use a wratten25A filter and ...

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wratten25a ndvi infragram near-infrared-camera


Canon A480 NIR Conversion

by Chernabog | 3 months ago | 5 | 942 views | 0

I have converted a Canon A480 with the Rosco #2007 filter so that I can (hopefully) do some compa...

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infragram near-infrared-camera conversion filter


Pasture measurement using NIR camera

by drkatnz | 3 months ago | 4 | 891 views | 1

The Problem Ranking paddocks is extremely important in New Zealand, we rely on grass to feed the...

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near-infrared-camera grass pasture Canon


Infragram Live & Infragram webcams en route from factory

by warren | 4 months ago | 0 | 1,278 views | 1

Infragram Live Following up on my post from a couple weeks ago, we've refined and improved the I...

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response:9917 infragram near-infrared-camera kickstarter



Live webcam Infragramming, WebGL option

by warren | 4 months ago | 0 | 931 views | 0

Working from Piotr's great WebGL code (which uses your GPU to accelerate Infragram calculations) ...

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infragram infragrammar infragram-sandbox near-infrared-camera


Root crops

by cfastie | 5 months ago | 0 | 1,155 views | 0

Image above: The last of the carrots and potatoes were harvested today. The Brussels sprouts will...

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garden infragram near-infrared-camera NDVI


Cryptogams

by cfastie | 5 months ago | 0 | 1,107 views | 0

Image above: Wratten 25A infrared image of moss branches in front of a mat of liverwort. . There...

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infragram near-infrared-camera filter infrared


Moody Meadows

by cfastie | 5 months ago | 0 | 1,002 views | 0

I photographed the scene above of the Moody Meadows farm in New Haven, VT with Canon A2200 Powers...

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infragram near-infrared-camera filter infrared



White balance for all

by cfastie | 5 months ago | 6 | 1,228 views | 2

I have been doing a custom white balance on my CCD Powershot Infragram cameras by filling the fra...

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near-infrared-camera infrablue infragram white-balance


Pine Hill

by cfastie | 5 months ago | 4 | 1,140 views | 1

Image above: A Gigapan Epic 100 imager with Powershot A2200 modified with a Wratten 25A red filte...

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infragram near-infrared-camera conversion filter


Red Filter Rising

by cfastie | 5 months ago | 11 | 1,608 views | 3

Image above: False color infrared version of a landscape scene taken with a modified Canon A2200 ...

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infragram near-infrared-camera conversion filter


Vermont Environmental Summit 2013

by cfastie | 5 months ago | 1 | 1,214 views | 0

Image above: VPIRG and TAC held a little celebration for the retirement of the Vermont Yankee nuc...

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Vermont balloon-mapping near-infrared-camera spectrometer



Focus on filters

by cfastie | 6 months ago | 11 | 1,455 views | 0

Ned Horning has decided that the Canon Powershot A2200 is a good choice for kite, balloon, and UA...

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infragram near-infrared-camera conversion filter


Cartography Primer - Pamet Marsh

by wward1400 | 6 months ago | 4 | 1,188 views | 0

Mapping the Dauphinee House What I want to do Write a series of research notes covering the ...

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infragram boston wetlands pamet


Canon A2400 IR conversion

by jbest | 6 months ago | 9 | 989 views | 0

Canon A2400 IR conversion The excellent tutorials for the various Canon PowerShot conversions in...

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infragram near-infrared-camera conversion filter


Infragram Webcam testing update

by warren | 6 months ago | 1 | 778 views | 0

This has been taking a while since they are shipping us samples as they attempt the webcam conver...

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infragram near-infrared-camera kickstarter



Scripting Raspberry Pi to boot and shoot timelapse photos

by mathew | 6 months ago | 5 | 2,233 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


Red vs. blue filters for NDVI

by nedhorning | 6 months ago | 11 | 1,665 views | 1

While working on calibration techniques to improve the quality of DIY NDVI images I noticed that ...

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Calibration infrablue infrared ndvi


Raspberry Pi Infrared Camera ships with Public Lab's Infragram filter

by warren | 6 months ago | 2 | 2,204 views | 3

Raspberry Pi just launched their Pi NoIR - a filter-less camera for the Raspberry Pi low-cost com...

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raspberry-pi infragram near-infrared-camera


Calibrating DIY NIR cameras - part 3

by nedhorning | 6 months ago | 17 | 1,035 views | 0

This is the third and final note of a series on DIY NIR camera calibration. The first part is at:...

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calibration infrablue infrared ndvi



SFO-ORD

by cfastie | 6 months ago | 1 | 1,116 views | 2

Image above: Taking off from San Francisco and landing in Chicago on Monday. I think I was very l...

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infragram near-infrared-camera NDVI infrablue


Mentor Summit

by cfastie | 6 months ago | 1 | 1,442 views | 2

Image above: A group photo of 230+ of the mentors at the Google Summer of Code Mentor Summit in B...

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infragram near-infrared-camera NDVI infrablue


ORD - SFO

by cfastie | 6 months ago | 3 | 1,225 views | 2

Last Friday, three of us flew from New England to San Francisco for the Mentor Summit of the Goog...

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infragram near-infrared-camera NDVI infrablue


Calibrating DIY NIR cameras – part 2

by nedhorning | 6 months ago | 2 | 1,196 views | 1

This is the second part of a series of notes on camera calibration. The first part is at: http://...

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calibration infragram ndvi near-infrared-camera



Oaktober

by cfastie | 6 months ago | 4 | 1,095 views | 0

With a new inkling of the effects plant pigments have on NDVI results, I was wondering how this m...

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infragram near-infrared-camera NDVI vermont


Lycopene

by cfastie | 6 months ago | 0 | 1,472 views | 0

Image above: Shaken and stirred, these extracts of ripe and green tomatoes get most of their colo...

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garden infragram near-infrared-camera LEAFFEST2013


Cartography Primer at Phats Valley Residency, Cape Cod

by wward1400 | 7 months ago | 0 | 1,168 views | 1

MassDEP Wetland and Wetland Change Areas What we want to do Cartography Primer is a workshop ...

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balloon-mapping list:plots-boston near-infrared-camera infragram


NDVI Colour Sensitivity

by bc512 | 7 months ago | 5 | 798 views | 0

I am having a bit of trouble getting my end result photo as "colour sensitive" as I would like, ...

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near-infrared-camera infragram



Eclectis: a week of civic science in Amsterdam North

by warren | 7 months ago | 1 | 1,139 views | 1

Last week I was invited along with Cindy Regalado by the Waag Society in North Amsterdam, to work...

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eclectis waag waagsociety amsterdam


Possible problem with DIY Infragram camera or infrapix

by ceefoster | 7 months ago | 12 | 1,372 views | 1

I've been working with an Infragram camera that was made following the instructions on the websit...

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mailing-lists infragram ndvi near-infrared-camera


LEAFFEST Infragram camboard batch tests

by warren | 7 months ago | 5 | 132,035 views | 0

Above is a compilation of all the camera board tests we did at LEAFFEST 2013 last weekend; I comb...

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leaffest leaffest2013 infragram infragram-conversion


Moar NIR tracking

by cfastie | 7 months ago | 6 | 1,188 views | 1

Image above: An NIR LED under tungsten light. The faint purple glow of the LED can be discerned i...

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leaffest2013 leaffest led near-infrared-camera



Fade out

by cfastie | 7 months ago | 3 | 907 views | 0

Image above: The blue white-balance paper included in the Infragram filter kit after exposure to ...

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infragram leaffest leaffest2013 near-infrared-camera


Characterizing camera sensors – first step

by nedhorning | 7 months ago | 8 | 1,377 views | 1

One of the tasks at LEAFFEST (http://publiclab.org/notes/cfastie/08-29-2013/l-e-a-f-f-e-s-t-2013)...

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infragram leaffest leaffest2013 infrared


Infrared behavior of A810

by cfastie | 7 months ago | 3 | 1,119 views | 0

Image above: NIR selfie. The NIR LED (foreground) is the only source of light. Taken with a modif...

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spectrometer histogram leds near-infrared-camera


LEAFFEST Fungal Fun

by cfastie | 8 months ago | 0 | 1,026 views | 0

Image above: Infragram NDVI image of two hedgehog mushrooms before they met their fate. LEAFFEST...

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infragram leaffest leaffest2013 near-infrared-camera



More camera testing

by cfastie | 8 months ago | 0 | 1,036 views | 0

On Sunday at LEAFFEST Jeff continued the camera test by repeating Saturday's scene in different l...

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infragram infragram-conversion leaffest leaffest2013


Infragram webcam test raw images

by warren | 8 months ago | 2 | 127,664 views | 0

At LEAFFEST 2013, we wanted to do a rigorous test of all the webcams we've been testing as Infrag...

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infragram infragram-conversion leaffest leaffest2013


Mobius, stripped

by cfastie | 8 months ago | 15 | 1,601 views | 0

Image above: The three channels in part of an infrablue photo taken with a Mobius ActionCam modif...

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near-infrared-camera infragram mobius-actioncam ndvi


Modifying a Mobius ActionCam for Near IR Photos

by carllipo | 8 months ago | 5 | 2,894 views | 1

I have been working on modifying cameras to allow us to be able to take remote photos using our v...

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near-infrared-camera infragram mobius-actioncam ndvi



FungalFest

by cfastie | 8 months ago | 2 | 863 views | 0

It's been a damp summer, and last week was wet. So there are mushrooms popping up everywhere. The...

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leaffest leaffest2013 near-infrared-camera infragram


LEAFFEST project

by cfastie | 8 months ago | 0 | 1,075 views | 0

Image above: Marzano tomatoes, RGB and infrablue. Why do Infragrams of tomatoes make the ripe on...

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garden infragram near-infrared-camera LEAFFEST


Huentek Infragram Webcam tests

by warren | 8 months ago | 0 | 805 views | 0

Just got a batch of 4 webcams from the Korean company Huentek; Here's the HU203, and I'll post mo...

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infragram infragram-conversion near-infrared-camera webcam


L E A F F E S T 2013

by cfastie | 8 months ago | 0 | 1,445 views | 0

Image above: I don't have any photos from the first week of September, so please interpolate betw...

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near-infrared-camera kite-mapping events LEAFFEST



Mapping Cyanobacterial Blooms with NDVI

by dsittenfeld | 8 months ago | 9 | 1,207 views | 4

Hi all, I am the manager of the Forum program at the Museum of Science in Boston and a PhD stude...

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infragram bacterial-blooms bacteria near-infrared-camera


Results from Aug 25, 2013 Tidmarsh Farms mapping

by warren | 8 months ago | 0 | 981 views | 0

Glorianna Davenport and Gershon Dublon hosted a mapping meetup at Tidmarsh Farms, as part of an o...

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tidmarsh infragram near-infrared-camera boston


Infragrammar with HSV color model

by warren | 8 months ago | 6 | 1,217 views | 0

A new idea that evolved in this thread -- use the hue, saturation, value color model to generate ...

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infragrammar infragram near-infrared-camera processing


Infragram webcam conversion test with I Zone cameras

by warren | 8 months ago | 3 | 1,231 views | 0

Ongoing tests of candidates for the Infragram Webcam have gone relatively poorly to date, but ove...

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infragram infragram-conversion near-infrared-camera webcam



Recover your balance

by cfastie | 8 months ago | 2 | 1,403 views | 1

Greg asked about getting useful information from photos taken with an Infragram camera that had n...

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infragram infragram-sandbox near-infrared-camera infrared


Malibu Lagoon & Surfrider Beach, Malibu, CA

by MicheleTobias | 8 months ago | 0 | 1,112 views | 1

On Saturday, August 17, 2013, Alex Mandel, Michele Tobias, and Bob Tobias flew a 9-foot Levitatio...

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kite-mapping gopro infrared near-infrared-camera


Mapping Vineyards with Quadcopter Using converted Canon Powershot A495

by bc512 | 8 months ago | 6 | 1,606 views | 0

Using a Quadcopter and some software to control the Copter Autonomously, I can take infrared phot...

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Quadcopter drones mapping vineyard


using image texture to find Trapa

by ttaylor | 8 months ago | 1 | 1,275 views | 0

With the limited success of using color to find Trapa as described in my post here and with Chris...

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infragram trapa amherst invasive



HORNWORMS

by cfastie | 8 months ago | 6 | 1,251 views | 0

It's a good year for tomatoes, and a big year for hornworms. These caterpillars fatten on tomato ...

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near-infrared-camera CCD response:8900 infragram


Infragrammar: compositing infrared images with simple mathematic expressions

by warren | 8 months ago | 8 | 1,250 views | 0

Client-side JavaScript image compositing Don Blair and I had been chatting about making an in-br...

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infragram near-infrared-camera processing compositing


Visible and Infragram maps of goat brush control along Arroyo Mocho creek, Livermore CA

by patcoyle | 8 months ago | 0 | 1,776 views | 2

Livermore Area Parks and Recreation District (LARPD) is using goats for brush control along Arroy...

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infragram near-infrared-camera goats norcal


A little background work for Trapa classification from color

by ttaylor | 8 months ago | 9 | 988 views | 1

Here Chris Fastie was speculating that Trapa Natans should be detectable from balloon mapping da...

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infragram trapa amherst invasive



White balancing a Canon camera for Infragram photography

by warren | 8 months ago | 8 | 1,179 views | 1

Chris Fastie has already covered this in great detail, and contributor geobduffy has delved even ...

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infragram near-infrared-camera white-balance canon


Infairgrams

by cfastie | 8 months ago | 0 | 878 views | 0

Replacing red light with near infrared light makes some fun photographic effects possible. That r...

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Infragram near-infrared-camera infrared Vermont


Classifying Trapa

by cfastie | 9 months ago | 5 | 1,459 views | 3

Here is an animated GIF which includes one of the balloon aerial photos we took over Lake Warner,...

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


Infragram.org web-based NDVI processor launched

by warren | 9 months ago | 0 | 827 views | 1

Although many folks are using Ned Horning's Photo Monitoring Plugin to post-process their photos,...

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infragram near-infrared-camera



More Infragram sample webcam tests

by warren | 9 months ago | 2 | 826 views | 0

Following up on my recent posts on Infragram tests, I just received a new sample, of this webcam:...

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infragram infragram-conversion near-infrared-camera infragram-camera-testing


Trapa detection

by cfastie | 9 months ago | 8 | 1,446 views | 0

Image above: Balloon aerial photo of aquatic plants on Lake Warner with patches of water chestnut...

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


Improvements in Infragram NDVI with test cameras

by warren | 9 months ago | 10 | 1,111 views | 0

I'd had a lot of trouble getting good infragram photos due to the blue channels leaking a lot of ...

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near-infrared-camera infrablue infragram infrared


Water chestnut NRG

by cfastie | 9 months ago | 0 | 1,472 views | 2

Image above: False color infrared image of floating leaved plants on Lake Warner, MA. The canoe ...

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



Seasonal NDVI with PicturePost & Infragram: Monitoring & Phenology

by wward1400 | 9 months ago | 1 | 1,302 views | 2

UNH's PicturePost & the Seacoast Science Center are interested in using Infragram to expand o...

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infragram NRG NIR community-garden


Lake Warner Workflow

by cfastie | 9 months ago | 3 | 1,488 views | 0

Image above: ASSUME WAYPOINT POSITION! When we were taking a waypoint (waiting for the GPSr to av...

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


WATERCHESTNUT Big Picture

by cfastie | 9 months ago | 17 | 4,571 views | 2

Image above: Monday’s WATERCHESTNUT crew as the big balloon landed after a 2.5 hour flight. Half ...

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


Digital STS workshop at Arnold Arboretum in Boston

by Sara | 9 months ago | 1 | 1,932 views | 0

What I did I was invited to mentor a group of STS researchers in developing a Digital STS worksh...

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near-infrared-camera boston trees balloon-mapping



Balancing act

by cfastie | 9 months ago | 0 | 1,028 views | 1

Image above: The famous blue origami paper I have been using to custom white balance my infrablue...

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near-infrared-camera infrablue infragram white-balance


I Got the InfraBlues - CMOS White Balance Work-around

by geobduffy | 9 months ago | 0 | 871 views | 2

This is not really a song I want to be singing... I've been testing various blue filters on a few...

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near-infrared-camera infrablue infragram white-balance


Infrablue Highways

by cfastie | 9 months ago | 2 | 933 views | 2

Image above: False color infrared image of the Jack River in the Alaska Range from a pullout on t...

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infrablue NBG infrared Alaska


Infragrams over NYC: Feedback Farm on Bergen Street

by liz | 10 months ago | 0 | 1,091 views | 0

pole aerial infrared photography at Feedback Farms 348 Bergen Street, Brooklyn, NY. This lot and...

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new-york-city 5BF Five-Borough-Farm pole



Spruce tips

by cfastie | 10 months ago | 0 | 938 views | 0

Image above: Branches of white spruce (Picea glauca) in a treeline study plot south of the Alaska...

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infrablue NDVI NBG infrared


Aspen Leaf Miner

by cfastie | 10 months ago | 2 | 1,203 views | 1

Image above: Infrablue NDVI image of quaking aspen leaf with larval mines of the aspen leaf miner...

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infrablue NDVI near-infrared-camera infrared


UAF

by cfastie | 10 months ago | 0 | 791 views | 0

Image above: The University of Alaska Museum of the North. Here are a few infrablue false color ...

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infrablue NBG near-infrared-camera infrared


Big NDVI

by cfastie | 10 months ago | 3 | 1,032 views | 2

Image above: The Canon A810 infrablue camera on Bonanza Bluff. The infrablue panorama below is ...

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infrablue NDVI near-infrared-camera infrared



A490 Rosco 2007 initial results

by patcoyle | 10 months ago | 1 | 1,254 views | 1

Modified A490 that had been previously converted to NIR and used for dual camera NDVI to the sing...

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near-infrared-camera infragram ndvi rosco


ShowerKAP II

by cfastie | 10 months ago | 0 | 1,192 views | 1

Image above: My minimal KAP rig with ShowerKAP in action. This was during the landing after a 70 ...

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AKRange alaska kite-mapping infrared


Saugus landfill overflight photos -- with Infragram

by warren | 10 months ago | 1 | 1,094 views | 0

Over the past few years we've periodically mapped the Saugus incinerator landfill near Revere bea...

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saugus landfill passenger-pigeon ndvi


Infrablue Webcam Panoramas in the Oakland Hills

by gonzoearth | 10 months ago | 2 | 1,038 views | 0

Using Camera Bench I made several panorama images around the hills in Oakland, California. ...

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infragram near-infrared-camera conversion response:8285



Camera Bench for Mac

by gonzoearth | 10 months ago | 0 | 943 views | 0

Mathew Lippincott put together this nice standalone image capture program for Mac and I tried it ...

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infragram near-infrared-camera conversion response:8285


Infragrams over NYC: 100 Quincy Garden

by liz | 10 months ago | 0 | 1,003 views | 0

Hand-held photos taken at 100 Quincy Garden, Brooklyn My attempt and results Getting some Infra...

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new-york-city near-infrared-camera 5BF Five-Borough-Farm


Infragrams over NYC: 462 Halsey

by liz | 10 months ago | 1 | 865 views | 0

handheld Infragrams of 462 Halsey Garden, Brooklyn My attempt and results I shot Infragrams of ...

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new-york-city 5BF Five-Borough-Farm near-infrared-camera


Infragrams over NYC: Randall's Island Urban Farm

by liz | 10 months ago | 1 | 987 views | 0

Pole aerial mapping over Randall's Island Urban Farm My attempt and results Our first ever at...

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pole pole-photography 5BF Five-Borough-Farm