response:8869
response:8869


Author Comment Last activity Moderation
cfastie "I don't know the specs of the blue paper I use for custom white balance. The idea is to flood the blue channel with light (when using a blue filter..." | Read more » almost 7 years ago
carolccarvalho "@cfastie, I'm trying to do the white balancing manually using a Raspberry Pi and I need to know the number of this "pure blue" that you are using. ..." | Read more » almost 7 years ago
cfastie "Orangey yellow is good for blue filtered Infragrams. Turquoise blue is good for red filtered infragrams. Gray is bad. Below is a good red filtered ..." | Read more » almost 8 years ago
liz "hey @cfastie and @warren , is it true that orangey looking photos indicate a well white balanced blue filter infragram, while blue/greyish photos i..." | Read more » almost 8 years ago
franknearir "And/or issue a value around a selected area(s) " | Read more » almost 9 years ago
warren "That's a great feature request. I think we could make it work; would you mind creating an issue for it here: http://github.com/Pioneer-Valley-Open-..." | Read more » almost 9 years ago
franknearir "Does the software also give an NDVI value? Is there any software that does analyze an image that also provides the actual NDVI values? Thanks " | Read more » almost 9 years ago
warren "After processing they will. For example, upload the orange-ish photo to http://infragram.org/static/sandbox/ and click "NDVI" then "Color" and you'..." | Read more » almost 9 years ago
franknearir "I thought plants will appear red using infragram? " | Read more » almost 9 years ago
liz "the step-by-step instructions with photos are really helpful, thanks! " | Read more » over 9 years ago
cfastie "I would encourage people to try to get the plants in their Infragram photos to be rather orange, like this: It might help to do the custom whi..." | Read more » over 9 years ago
cfastie "In the camera you use in this example, press "Menu" while filling the scene with the blue paper. Then press Function/Set to begin taking photograph..." | Read more » over 9 years ago
warren "Another way to approach this is to standardize everything as much as possible, so it follows a well-described, simple, standard process, which we c..." | Read more » over 9 years ago