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white-balance
white-balance


Author Comment Last activity Moderation
warren " Hi! Noting this project which may be of interest: https://gitlab.com/bath_open_instrumentation_group/picamera_cra_compensation And pinging @magg..." | Read more » over 3 years ago
petter_mansson1 " Hello, my input might guide you in the right direction. Different environments require different settings so it might be hard to generalize. I did..." | Read more » over 3 years ago
warren "@warren awards a barnstar to Claytonb for their awesome contribution! " | Read more » over 4 years ago
cfastie "Setting a custom white balance on the Mobius camera can be done numerically. Determining which numbers to use requires trial and error and subjecti..." | Read more » over 5 years ago
suman "Dear Cfastie, Very informative. Thanks for posting. I was interested to know, which method is more preferred and accurate, whi..." | Read more » over 5 years ago
suman "Dear Warren, I am currently looking some literatures on Image Vignetting Correction. I will definately post back after i come ..." | Read more » over 5 years ago
warren "Ah, i've just learned that I didn't know the definition of vignetting. But I do now -- apologies for mixing this up! I haven't heard anything about..." | Read more » over 5 years ago
suman "Dear Warren, I checked about the lens vignetting correction under the tag Lens-distortion as you mentioned. However, i didn't ..." | Read more » over 5 years ago
suman "Thanks for your prompt response warren.....highly appreciable.... Cheers " | Read more » over 5 years ago
suman "Thanks for your prompt response warren.....highly appreciable.... Cheers " | Read more » over 5 years ago
warren "There are a few different approaches to this too, but one which definitely works is documented alongside an in-progress web-based approach, both un..." | Read more » over 5 years ago
suman "Thanks for your response warren and Chris...I highly appreciate it..I was also interested to know about the vignetting effect and how public labs i..." | Read more » over 5 years ago
cfastie "Do you think i need the targets of known spectral reflectivity in the same bands that will be used to compute NDVI or it can be tested with any mat..." | Read more » over 5 years ago
warren "Hi -- well, there may be methods like that; just to put in another idea, although you probably won't want to do it; Dorn Cox from Farm Hack has act..." | Read more » over 5 years ago
suman "Some initial results using your white balance settings are impressive, however in this particular picture the roof of the house is showing high pho..." | Read more » over 5 years ago
suman "Great.... For the accurate dense reconstruction with my mobius setup with wide angle lens, i have figured out best way. There is no option to work..." | Read more » over 5 years ago
cfastie "Stitching Mobius photos can be hard. The longer lens will help. Correcting the distortion afterwards can help. A high shutter speed and vibration d..." | Read more » over 5 years ago
suman "Dear Chris, Thanks for sharing the publication. My main purpose is to test the potential of calculating NDVI using modified infra..." | Read more » over 5 years ago
cfastie " The red filters typically used do not transmit much green light, so the green channel captures mostly NIR. Some yellow filters pass red and green,..." | Read more » over 5 years ago
suman "Dear Chris, First of all thanks for your prompt reply. I have few more things which i am confused about: 1. If i put a red filter,..." | Read more » over 5 years ago
cfastie "When the NIR cut filter is removed from a camera, all three color channels capture NIR light in addition to the color they originally captured (R, ..." | Read more » over 5 years ago
suman "Can i know the real use of adding the filters....just taking off the infrared filter and getting RGB IR channels and separating those channels late..." | Read more » over 5 years ago
cfastie "Finding inexpensive, do-it-yourself calibration targets is an obstacle to NDVI calibration. You need targets for which the spectral reflectance is ..." | Read more » almost 6 years ago
J_tanna "@cfastie sample image is like this, " | Read more » almost 6 years ago