Author | Comment | Last activity | Moderation | ||
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JacobNederend | "Thanks for the feedback. I think I misunderstood the function of this plugin. I thought I could calibrate my jpeg R/G/NIR images to a black, a gre..." | Read more » | about 9 years ago | |||
nedhorning | "Hi Jacob, To check for aperture you could try another EXIF reader. Maybe "max aperture" is the same as "aperture" but I have no idea. When working ..." | Read more » | about 9 years ago | |||
JacobNederend | "Hi Ned, I am really excited about the work you are doing here as it helps resolve some major issues with my grad studies. I have a few questions: ..." | Read more » | about 9 years ago | |||
nedhorning | "Chris - The relationships are curvilinear but my preference is to try and figure out how to "correct" the JPEG pixel values to create a linear rel..." | Read more » | about 9 years ago | |||
cfastie | "Ned, So the displayed graphs with two points are not meaningless (I found them to be helpful), but the R² values are not useful because they are a..." | Read more » | about 9 years ago | |||
nedhorning | "Hi Cindy - I'll start with the easy question first. The user guide can be downloaded from the plugin's GitHub repository: https://github.com/nedhor..." | Read more » | about 9 years ago | |||
cindy_excites | "Hi! Very exciting note! Thanks for sharing. Just wondering, could you expand a little more on "When the calibration coefficients are calculated a g..." | Read more » | about 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 | |||
jeffalk | "You probably know about the EPA site with monitoring data around the Chicago coke facilities. The EPA data could be used to compare to whatever dat..." | Read more » | about 9 years ago | |||
liz | "This is incredible work!!!! You guys are awesome! " | Read more » | about 9 years ago | |||
Monoxyde | "Thank you, I thought, that by offering to plugin a VIS photo plus a NIR photo, Shooting by two identical cameras with the same parameters ISO etc ...." | Read more » | over 9 years ago | |||
cfastie | "I am not sure what your question is. You could use the two-camera feature of the plugin but give it the same Wratten 25 photo for both the VIS and ..." | Read more » | over 9 years ago | |||
Monoxyde | "Chris, do you feel that the Photomonitoring plugin is able to work better if I provide two images (from a modified camera and the other by the same..." | Read more » | over 9 years ago | |||
Monoxyde | "Thanks Chris, your judgment lifts me up. I will try to make different calibrations. As soon as I can, I share the results and procedures. Thanks ag..." | Read more » | over 9 years ago | |||
cfastie | "These are all very good NDVI images. The NDVI values seem to be close to the correct range, and there are not that many anomalies (most leaves are ..." | Read more » | over 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 » | over 9 years ago | |||
nedhorning | "This error will occur if you run the Create NDVI from Image plugin without having an image displayed in ImageJ. I added an error message to the nex..." | 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 |