Notes tagged with near-infrared-camera


Mobius Action Cam Infragram tests

by warren | 6 days ago | 5 | 299 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 | 11 days ago | 3 | 419 views | 1

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 | 11 days ago | 5 | 614 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 | 24 days ago | 2 | 814 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 | 1,055 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 | 673 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 | 619 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 | about 1 month ago | 12 | 1,033 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 | 611 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 | 1,077 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 | 731 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 | 568 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 | 884 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 | 836 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 | 3 months ago | 0 | 1,199 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 | 881 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 | 4 months ago | 0 | 1,101 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 | 1,071 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 | 965 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 | 1,180 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 | 1,099 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 | 1,539 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 | 1,168 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 | 5 months ago | 11 | 1,406 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 | 5 months ago | 4 | 1,149 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 | 5 months ago | 9 | 955 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 | 5 months ago | 1 | 742 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 | 5 months ago | 5 | 2,130 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 | 1,599 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 | 2,123 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 | 987 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 | 1,080 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 | 1,401 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 | 1,177 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 | 1,164 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 | 1,048 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 | 1,418 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 | 6 months ago | 0 | 1,127 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 | 6 months ago | 5 | 765 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 | 1,114 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 | 1,334 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 | 131,991 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 | 1,148 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 | 886 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 | 1,352 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 | 1,083 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 | 7 months ago | 0 | 988 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 | 7 months ago | 0 | 991 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 | 7 months ago | 2 | 127,635 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 | 7 months ago | 15 | 1,531 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 | 7 months ago | 5 | 2,777 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 | 7 months ago | 2 | 830 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 | 1,039 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 | 784 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 | 1,408 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 | 5 | 1,174 views | 3

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 | 960 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 | 1,190 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 | 1,195 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 | 1,358 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 | 1,092 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 | 1,556 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 | 1,241 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 | 1,200 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 | 1,203 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 | 1,736 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 | 952 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 | 1,156 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 | 862 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 | 8 months ago | 5 | 1,431 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 | 8 months ago | 0 | 806 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 | 8 months ago | 2 | 801 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 | 1,399 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 | 1,085 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 | 1,424 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 | 1,270 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 | 1,450 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 | 3,893 views | 1

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 | 1,896 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 | 996 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 | 855 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 | 902 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 | 9 months ago | 0 | 1,048 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 | 9 months ago | 0 | 909 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 | 9 months ago | 2 | 1,168 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 | 9 months ago | 0 | 761 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 | 9 months ago | 3 | 1,006 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 | 9 months ago | 1 | 1,222 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 | 9 months ago | 0 | 1,168 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 | 9 months ago | 1 | 1,075 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 | 1,009 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 | 911 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 | 975 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 | 838 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 | 953 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


Infragrams over NYC: Davidson Garden, Bronx

by liz | 10 months ago | 0 | 903 views | 0

shown above: 10 stitched Infragram images. These photos were captured from the end of a 43' long ...

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pole new-york-city pole-photography Five-Borough-Farm



Multispectral GoPro at Cloverleaf Farmstand

by gonzoearth | 10 months ago | 2 | 1,715 views | 0

I ran dual image pairs (vis/nir) through Ned Horning's Photo Monitioring ImageJ Plugin from the f...

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kite-mapping near-infrared-camera ndvi


Infrablue Haze

by cfastie | 10 months ago | 0 | 1,167 views | 0

Image above: False color infrared (NBG) image from an infrablue photo taken from a commercial ai...

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Michigan passenger-pigeon infrablue infragram


Engineered Histograms

by cfastie | 10 months ago | 0 | 1,275 views | 1

Image above: An infrablue photo from a little camera Jeff converted. The histograms of a bright a...

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near-infrared-camera NDVI infrared infragram


Channel swapping

by warren | 10 months ago | 1 | 941 views | 0

What I want to do Due to the issues with blue channel infrared leakage, I was interested to see ...

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near-infrared-camera infrablue infragram infrared