| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| tonyc | " hasn't lost a drop! " | Read more » | about 8 years ago | |||
| mokeymark | "I would be more than happy to help out! " | Read more » | about 8 years ago | |||
| warren | "Oh, that sounds so great! I'm curious, if you have access to an Ocean Optics, perhaps @ygstcu and/or @stoft would be interested in a calibrated sc..." | Read more » | about 8 years ago | |||
| mokeymark | "Thanks Warren, I'll start from scratch and try a fresh calibration. I'll be stuck in meeting purgatory for the next couple hours, but I'll jump bac..." | Read more » | about 8 years ago | |||
| warren | "Oh, sorry, i didn't look at whether it was a good calibration, just if the calibration itself seemed to save. Checking now... So, two things stand..." | Read more » | about 8 years ago | |||
| mokeymark | "The calibration looks like it's way off. Look at where the peaks are. This is a fluorescent light, so it looks like everything is skewed towards th..." | Read more » | about 8 years ago | |||
| warren | "Hi, @Abhay7417 - how are you feeding these values to spectral workbench? Can you describe your problem in more detail? " | Read more » | about 8 years ago | |||
| warren | "Hmm, your spectrum looks calibrated! It shows nanometer values, even in your screenshot. I'm not sure what the error was, but I checked the page my..." | Read more » | about 8 years ago | |||
| mokeymark | " " | Read more » | about 8 years ago | |||
| tonyc | " Tried drilling through bottle cap, then making the hole really jagged using an awl. Then a pen tube through a rubber stopper, thick layer of sili..." | Read more » | about 8 years ago | |||
| Parth | "Hi Chris, I replaced IR filter with rosco fire filter#19 in OV5642 camera module to replicate infragram‘s point & shoot camera.I captured imag..." | Read more » | about 8 years ago | |||
| stoft | "Understood; though independent checks and tests are still the best method to find hidden anomalies and overlooked issues. When you fix the glitch, ..." | Read more » | about 8 years ago | |||
| nachokhan | "Hey, interesting. I am also from Argentina and I am working in the same field. Can you write me? ignacio.rigoni at gmail. Abrazo! " | Read more » | about 8 years ago | |||
| mathew | "These 18650 keychain battery holders just arrived. They're great: " | Read more » | about 8 years ago | |||
| warren | "More assembly innovations and simplifications; new note and design coming soon: " | Read more » | about 8 years ago | |||
| warren | "Sorry, back online after a long weekend. Looks like there was just an error in my code -- i'm going to try and tackle some bugfixes today but after..." | Read more » | about 8 years ago | |||
| warren | "I had a great time and have exciting stuff to post. But I'd like to make a more narrow post about specific techniques; maybe someone else could tac..." | Read more » | about 8 years ago | |||
| cfastie | "Do you know how well synchronized the photo pairs are? Do you have to start them both taking photos at the same time, or synchronize their clocks? ..." | Read more » | about 8 years ago | |||
| Rayishido | "I am using 2 raspberry Pis (one camera on each) and I synchronize the shutters using interrupts. I had some strange behavior (one Pi taking more pi..." | Read more » | about 8 years ago | |||
| cfastie | "The NDVI image in my last comment was made by stretching only the NIR channel. The default is to stretch both NIR and VIS and that usually works we..." | Read more » | about 8 years ago | |||
| Rayishido | "Hi Chris, to obtain this picture you stretched the histogram of the visible or visible and IR. As far as I understand to make NDVI picture a visib..." | Read more » | about 8 years ago | |||
| cfastie | "Both NDVI images look good. Both seem to have some biological meaning and both have reasonable NDVI values in areas that are shady which is very go..." | Read more » | about 8 years ago | |||
| liz | "Super workshop! Attended by 15 people: @bronwen @englishkillsproject @nejohnson @eymund @nicholas @ann @matej @warren @ianbarbour @liz @taramei and..." | Read more » | about 8 years ago | |||
| liz | "Fantastic and very important, thanks! " | Read more » | about 8 years ago | |||
| mathew | "I want to note that while Open Pipe Kit development continues, running this comparison has been a low priority since AQICN is running effectively t..." | Read more » | about 8 years ago | |||
| Rayishido | "Hi Chris! You assumed right! :D The pictures was taken with the pi noir and the blue filter and turned off the automatic white balance to set my o..." | Read more » | about 8 years ago | |||
| hank | "Thank you. It's worth reminding people not to be fooled by the low perceived brightness at the 405nm end of the spectrum -- the lighted spot looks..." | Read more » | about 8 years ago | |||
| Matej | "I did not take any pics of the net. It was kind of difficult to balance with the phone in one hand and net in another. I will try to take some tomo..." | Read more » | about 8 years ago | |||
| cfastie | "Hi Parth, The three methods of computing NDVI all do the same thing. They do the same math (NIR-VIS)/(NIR+VIS) on each pixel. They are equally rel..." | Read more » | about 8 years ago | |||
| cfastie | "Rayishido, I assume the orangish photo was taken with the PiNoir camera with a blue filter. By calibration I think you mean you used the AWB_gains..." | Read more » | about 8 years ago |