| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Claytonb | "@nedhorning thanks for all your work Ned. I am curious if we can use the usual gray and black cards for white balance as calibration targets and if..." | Read more » | almost 9 years ago | |||
| nedhorning | "Unfortunately those values would only work if you had the same materials that I used. To get the reflectance values you would either need to fine s..." | Read more » | about 9 years ago | |||
| aldehyde | "How to get target reflectance values for the visible and near-infrared wavelengths that correspond with the camera filter? Can I use?. 0.7529225,0..." | Read more » | about 9 years ago | |||
| nedhorning | "Hi aldehyde - Did you look at the user guide on Github: https://github.com/nedhorning/PhotoMonitoringPlugin that should have information about crea..." | Read more » | about 9 years ago | |||
| aldehyde | "Please help. If it is possible to describe all the work with the plugin. How to create "сomma-separated variable (CSV) file with the reflectance v..." | Read more » | about 9 years ago | |||
| nedhorning | "Mathew - Have you been able to find a reflectance plot for those paints? I looked but didn't see it. Other paints I was looking at a couple years a..." | Read more » | about 9 years ago | |||
| mathew | "Rosco manufactures outdoor-grade TV paints including 60% grey (TV white) and black (3%) and chroma colors (blue, green). They would be good choices..." | Read more » | about 9 years ago | |||
| admaltais | "Have you considered using reference charts used to calibrate green rooms in cinema? Some thing like this: labsphere - Reflectance Reference Targets..." | Read more » | about 9 years ago | |||
| nedhorning | "HI Agustin - I put the images on my server here: https://resources.cbc.amnh.org/cbccloudstorage/public.php?service=files&t=12385a3a09a4879fcffc..." | Read more » | over 9 years ago | |||
| agustin_castellano | "@nedhorning Great Job Ned!! could you please send me the original pictures of the 650/850 filter ? Regards Agustin " | Read more » | over 9 years ago | |||
| warren | "This is something that'd also benefit the general white balance process of Infragram cameras. I wonder, are there any paint sample strips that are ..." | Read more » | over 9 years ago | |||
| nedhorning | "The panel order is not important as long as it's predictable and known. The "ideal" targets would probably be a few gray patches from bright to dar..." | Read more » | over 9 years ago | |||
| warren | "QR code libraries are available in many languages, and most QR code libraries will probably return a location of the center of the code. But maybe ..." | Read more » | over 9 years ago | |||
| nedhorning | "At this point I haven't put much thought into ideal targets mostly because I don't have access to a spectrometer to measure and test different targ..." | Read more » | over 9 years ago | |||
| nedhorning | "When I first started thinking about this a couple years ago I figured auto-detecting the calibration targets would be key but that turned out to be..." | Read more » | over 9 years ago | |||
| warren | "Ah, I see - its the difference between a new paragraph and a <br /> break tag. Thanks for the clarification. Yeah, that makes sense... It'd ..." | Read more » | over 9 years ago | |||
| cfastie | "In markdown, leaving a single blank line between two blocks of content produces a single blank line between the two blocks of content. If you want ..." | Read more » | over 9 years ago | |||
| warren | "Standard for an extra carriage return in Markdown is leaving a single blank line between two blocks of content - that may more sense, or be easier ..." | Read more » | over 9 years ago | |||
| nedhorning | "Yep - that's it " | Read more » | over 9 years ago | |||
| cfastie | "Ned, So like this. We need to make a different file of reflectances for each filter because the filters we were using were very narrow band filt..." | Read more » | over 9 years ago | |||
| nedhorning | "Chris - I'll email you the master list with all of the reflectance values for each target since they aren't really useful without the images. You n..." | Read more » | over 9 years ago | |||
| cfastie | "Cool. Ned, do you have a reflectance csv file for all of the calibration targets in the test photos from iFarm (the lead image)? And a key for whic..." | Read more » | over 9 years ago | |||
| nedhorning | "The image for this note with the blue color was probably a JPEG image white balanced using red paper. The raw image will have much higher values in..." | Read more » | over 9 years ago | |||
| agustin_castellano | "Thanks Ned. I have a red filter (600nm) and the filter color is red and the pictures that i take with this filter are red why you have a similar fi..." | Read more » | over 9 years ago |