cfastie 299 research notes and 550 wiki edits | Joined over 6 years ago | Admin

The ecology and history of forests and landscapes, and new ways to see these things. High-resolution stitched images of vegetation, including low elevation aerial photography and multispectral imaging. Design and distribution of 3D printed aerial photography rigs and microcontroller gadgets via the KAPtery. Tweeting these things.

My posts on these topics:


4 questions asked

1271 comments posted

75 activities posted

1 activities attempted





Infairgrams

by cfastie almost 6 years ago | 0 | 37 views | 0


Garden PAP map

by cfastie almost 6 years ago | 2 | 149 views | 0


Classifying Trapa

by cfastie almost 6 years ago | 5 | 165 views | 4


Trapa detection

by cfastie almost 6 years ago | 8 | 329 views | 0


Water chestnut NRG

by cfastie almost 6 years ago | 0 | 261 views | 2


Lake Warner Workflow

by cfastie almost 6 years ago | 3 | 165 views | 0


WATERCHESTNUT Big Picture

by cfastie almost 6 years ago | 17 | 202 views | 2



Balancing act

by cfastie about 6 years ago | 0 | 91 views | 2


3D Tundra

by cfastie about 6 years ago | 7 | 124 views | 1


Infrablue Highways

by cfastie about 6 years ago | 2 | 44 views | 2


Spruce tips

by cfastie about 6 years ago | 1 | 123 views | 0


Aspen Leaf Miner

by cfastie about 6 years ago | 2 | 488 views | 1


UAF

by cfastie about 6 years ago | 0 | 33 views | 0


Big NDVI

by cfastie about 6 years ago | 3 | 83 views | 2


ShowerKAP II

by cfastie about 6 years ago | 1 | 3,215 views | 1


Infrablue Haze

by cfastie about 6 years ago | 2 | 242 views | 0


Engineered Histograms

by cfastie about 6 years ago | 17 | 148 views | 2


NDVI from Infrablue

by cfastie about 6 years ago | 4 | 308 views | 0


White balance

by cfastie about 6 years ago | 0 | 230 views | 2


Histograms

by cfastie about 6 years ago | 2 | 109 views | 2


Rock Tripe Slab

by cfastie about 6 years ago | 0 | 79 views | 0


Infradark

by cfastie about 6 years ago | 3 | 99 views | 2


Bee Movie II

by cfastie about 6 years ago | 0 | 52 views | 1


View these maps at MapKnitter.org »

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Comments

Comment Last activity Moderation
"Whatever program you use to geotag your photos, make sure your photos were taken with a camera which had the correct time and timezone set. Most pr..." | Read more » almost 2 years ago
"ExifTool by Phil Harvey is the industry standard command line tool to extract or modify the information in the EXIF header of image files: ExifToo..." | Read more » almost 2 years ago
"The original photo above has some potential for conversion to NDVI, but the red channel (NIR) is not very much brighter than the blue channel (blue..." | Read more » almost 2 years ago
"Leslie, it's really good you got this working. Thanks for troubleshooting the RTC library. It looks like the library I have been using is the MrAlv..." | Read more » almost 2 years ago
"Sorry I was wrong about your original photo being grayscale. You are correct that it is color photo. All three color channels are extremely similar..." | Read more » almost 2 years ago
"There was a spam comment on this note which I deleted today. This is note number 7? " | Read more » almost 2 years ago
"Your image "660_850_Orginal.jpg" is a grayscale photo. The photo taken with your camera should be a three color photo with different values in the ..." | Read more » almost 2 years ago
"Isn't that what research notes are for? Aren't research notes how we keep up with each others' activities? If research notes fail to accomplish thi..." | Read more » almost 2 years ago
"It would be fun to try an Aeropod. I couldn't find any details about the instruments, but it looks like an awesome contraption to fly. " | Read more » almost 2 years ago
"A pitot tube measures air pressure and uses fancy math to relate that to wind speed. I assume the ones on airplanes work better than the Rev P. " | Read more » almost 2 years ago
"I decided not to drop into the rabbit hole of applying time series analysis to these data. There does appear to be some periodicity present, but I ..." | Read more » almost 2 years ago
"It will be important to modify your two camera system so the photo pairs capture the same scene. It will also be important to align the two photos ..." | Read more » almost 2 years ago
"I have a hypothesis about the different results obtained with two BME280 sensors on the flying rig. A difference of 3° to 4°C is more than should b..." | Read more » almost 2 years ago
"Yes, the newer Rev. P sensor works better in high wind because it has a strong heater so the wind can't cool it off too fast. But the older Rev C s..." | Read more » almost 2 years ago
"With this filter in front of your camera lens, the photos captured will include mostly near infrared light. There will be some visible light includ..." | Read more » almost 2 years ago
"A running mean of the aerial wind speed looks like a very reasonable result. The red line is a running mean of 10 observations (which were six seco..." | Read more » almost 2 years ago
"When the rich text editor went live (a year or two ago?) I gave it a try. In the middle of writing my first Rich research note I couldn't figure so..." | Read more » almost 2 years ago
"I think the answers to your latest questions depend a lot on the sfm software you will be using. Some online services don't use GPS data, so it won..." | Read more » almost 2 years ago
"I think what you are proposing is quite realistic. Depending on the scale of your study areas (e.g., How tall are the cliffs?), this could be accom..." | Read more » almost 2 years ago
"This looks like a great project. The photos used for structure from motion models should have a few characteristics: They should be high image qu..." | Read more » almost 2 years ago
"Here is a strange development. This action camera has a 1MP sensor. It is a 1/4" sensor which has an area of 10 square mm. The native image size is..." | Read more » almost 2 years ago
"Gretchen, It looks like some of the sensors in the Water Sensor wiki could be hacked to work with an Arduino based data logger, but you would want..." | Read more » almost 2 years ago
"Although this question was pasted verbatim from another site, a link was added to the text "DS18B20." This link was not in the original StackExchan..." | Read more » almost 2 years ago
"There could be innocent or devious motivations for you to paste, without attribution, this exact question from StackExchange which was asked and an..." | Read more » almost 2 years ago

cfastie was awarded the Basic Barnstar by warren for their work published in Superblue.


cfastie was awarded the Basic Barnstar by warren for their work published in Graze anatomy.


cfastie was awarded the Basic Barnstar by liz for their work published in Holiday Beverage Whodunit.


cfastie was awarded the Basic Barnstar by stevie for their work published in Nano particle monitoring.


cfastie was awarded the Basic Barnstar by Elidacanup for their work published in Broadening.


cfastie was awarded the Basic Barnstar by david-days for their work published in Compost is hot, says Riffle.


cfastie was awarded the Basic Barnstar by academicfora for their work published in A standalone aerial sensor pod.


cfastie was awarded the Empiricism Barnstar by warren for their work published in Grating angle.


cfastie was awarded the Empiricism Barnstar by xose for their work published in Real time and temperature.


cfastie was awarded the Photo Documentation Barnstar by warren for their work published in A DIY low power timer.


cfastie was awarded the Photo Documentation Barnstar by Hudonnoodles for their work published in Spherical KAP over Cocodrie.


cfastie was awarded the Photo Documentation Barnstar by stevie for their work published in NE Organizers Summit.


cfastie was awarded the Photo Documentation Barnstar by stevie for their work published in LEAFFEST 2014 accounting.


cfastie was awarded the Photo Documentation Barnstar by stevie for their work published in Public Lab Organizers Summit, 2014.


cfastie was awarded the Photo Documentation Barnstar by stevie for their work published in Putting sensor data to work.


cfastie was awarded the Photo Documentation Barnstar by todgobblins for their work published in Soaring Riffle.


cfastie was awarded the Video Documentation Barnstar by warren for their work published in SNOWFEST the Movie.


cfastie was awarded the Video Documentation Barnstar by mathew for their work published in Making the aluminum frame of an aerial camera rig (video).



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