| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| richardbowman | "Hello, I thought I'd chime in after your shout-out of the work we're doing. Our OpenFlexure eV software does attempt to get as close as we can to ..." | Read more » | about 5 years ago | |||
| fanny1 | "This article is very well written. I will come back to read it for more information. Thank you for all this useful information. http://bit.ly/2WAoe..." | Read more » | over 5 years ago | |||
| stoft | " Yes, once the camera exposure is under control (and fixed value) then the linearity can be measured -- IF you have controlled means of adjusting t..." | Read more » | over 5 years ago | |||
| jenjimah | " Done! " | Read more » | over 5 years ago | |||
| warren | "I should post a screenshot of my settings at the bottom there in case anyone wants to see or copy. Oh, i'd love to see this, thanks! " | Read more » | over 5 years ago | |||
| jenjimah | "In the code of the pi camera library, which is what many of the other libraries are built on, there is a special data export option called .array w..." | Read more » | over 5 years ago | |||
| jenjimah | " Ah yes! For a moment there I was confused between what the paper was saying about non linearness applied to pixels prior to data export and AGC. I..." | Read more » | over 5 years ago | |||
| stoft | "From that link, I found a 'settings' file here: https://gitlab.com/bath_open_instrumentation_group/picamera_cra_compensation/blob/fdb98308149e686a..." | Read more » | over 5 years ago | |||
| jenjimah | " @stoft I tried reading about the raw RGB ouput on the picamera documentation but I did not find the description to have too much information, but ..." | Read more » | over 5 years ago | |||
| jenjimah | " Thanks! I just had a look at their manuscript. There are a lot of details there that I had no idea about and need to learn. " | Read more » | over 5 years ago | |||
| warren | " Hi, just in case you didn't see this I recently came across this, which could be helpful maybe? https://gitlab.com/bath_open_instrumentation_grou..." | Read more » | over 5 years ago | |||
| stoft | " Right, the camera's do automate as much as possible, which works against the needs of spectrometers. If the AGC cannot be shut off, then it become..." | Read more » | over 5 years ago | |||
| jenjimah | "Great question, it's pretty amazing you were able to shut off the AGC circuit. I had previously imagined that most ofthe pre-data export operations..." | Read more » | over 5 years ago | |||
| stoft | " Good work and observations. Yes, I think HDR techniques can help extract additional dynamic range from these simple cameras. In reading through yo..." | Read more » | over 5 years ago | |||
| warren | "@warren awards a barnstar to jenjimah for their awesome contribution! " | Read more » | over 5 years ago | |||
| SangHo | "@warren Yeah, I found interesting to expert leaf from openCV. It would be nice to collaborate with infragram maybe. Thanks @MaggPi for kinds explai..." | Read more » | over 6 years ago | |||
| MaggPi | "-I have no direct experience with the PI zero. I always felt that it was so stripped down that by the time I bought all the input/output connecti..." | Read more » | over 6 years ago | |||
| warren | "Maybe @MaggPi can answer this one? Interesting! What do you aim to do with it? " | Read more » | over 6 years ago | |||
| mathew | "done! " | Read more » | almost 8 years ago | |||
| warren | "Hi, Mathew, mind if I retitle this "Use a rubber band and knotted string to trigger a camera"? " | Read more » | almost 8 years ago | |||
| Ajith_Kumar | "Thank you cfastie for the detailed description. This answer is really helpful to me. " | Read more » | about 8 years ago | |||
| cfastie | "This is a good question, and not an easy one to answer. Preferred characteristics of cameras to be converted to pure NIR or full spectrum (NIR + R..." | Read more » | about 8 years ago | |||
| warren | "Hi! There are a range of reviews and comments on different conversion-candidate cameras here: https://publiclab.org/wiki/infragram-convertible-came..." | Read more » | about 8 years ago | |||
| gpenzo | "Hallo John. Based on wikipedia you need 531 and 570 nm filters. I checked arround and I could not find those filters. I saw 540nm and 580nm http://..." | Read more » | over 9 years ago |