infrared
infrared


Author Comment Last activity Moderation
umberto_rootman "In the glare in the wind mill pic, left above, is a small spectrum visible, which illustrates which wavelengths are blocked by the filter: there is..." | Read more » almost 3 years ago
liz "Thank you! Great pic of the glasses cut up! " | Read more » almost 3 years ago
umberto_rootman "As stated, the cyan filter was cut out from 3-D glasses " | Read more » almost 3 years ago
sam14 "Great, thanks Liz! " | Read more » almost 3 years ago
liz "Thanks for sharing this! Very cool. I don't think i've seen anyone discussing a cyan filter before, can you share a link to what you're using? " | Read more » almost 3 years ago
ltata5613 "Hello, same with me. I hope someone else can answer this. endralia " | Read more » almost 3 years ago
umberto_rootman "The great thing about using the cyan or blue filter with a modded sports cam is the ability to record images or video without having to resort to c..." | Read more » almost 3 years ago
umberto_rootman "I often use an orange-red filter, handheld in from of the camera, from a scrapped enlarger. I do a white balance with the eye dropper tool in PS, G..." | Read more » almost 3 years ago
liz "Hi @Sam14, Image Sequencer has experimental support for processing gifs: https://github.com/publiclab/image-sequencer#experimental-gif-processing-s..." | Read more » almost 3 years ago
warren "Hi! It could be interesting to try measuring the berries themselves as well; check out the spectrometer work by this group for a reference! #webval..." | Read more » about 3 years ago
cfastie "If photos are taken of plants in two treatments (top and bottom) with the same camera settings (all manual control) under the exact same lighting c..." | Read more » about 3 years ago
M0nk3y "Hi there, i did'nt wanted to re-do a topic that would have been really similar as this one. I hope i will be enough precise to get an answer to my ..." | Read more » about 3 years ago
warren "Yes of course!!! " | Read more » about 3 years ago
yaina "This is this illuminating article for all of us. Extremely incredibly seriously incomprehensible content parts. We essentially gain searching state..." | Read more » about 3 years ago
lev29 "Thank you, Chris! You've given me much to read and think about, but please, don't misconstrue that as meaning you shouldn't add any additional pert..." | Read more » about 3 years ago
cfastie "Using green foliage (or chlorophyll) to set a custom white balance deserves more consideration than I gave it in my last comment. Foliage absorbs r..." | Read more » about 3 years ago
cfastie "The goal of the custom white balance hack is to fool the camera into wildly exaggerating the brightness of the blue channel (when using a red filte..." | Read more » about 3 years ago
lev29 "Thank you so much, Chris! With respect to what to use as a reference to calibrate the White Balance (WB), I have not yet "digested" whether your re..." | Read more » about 3 years ago
cfastie "If your K610 filter is a cutoff filter that passes wavelengths greater than 610nm and blocks shorter wavelengths, then it is similar to many filter..." | Read more » about 3 years ago
lev29 "Thank you, Chris, for helping to clarify my question. In fact, as you suspected, I was misusing the term "bandpass"! Those I signify with a "K" fol..." | Read more » about 3 years ago
cfastie "`>> for simple bandpass filters, I use the letter "K" followed by the approximate cutoff wavelength Are your filters bandpass filters or cut..." | Read more » about 3 years ago
rrajbhar754 "Very nice post. " | Read more » over 3 years ago
warren "Hi, you can use this simpler sequence for that: https://sequencer.publiclab.org/examples/#steps=ndvi,colormap This will just apply NDVI and the c..." | Read more » over 3 years ago
starstalenthunt "Star Talent Hunt : Find your Dream Job Now and Get a chance to become famous in entertainment industry. " | Read more » over 3 years ago