| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| ethanbass | "Hey Matej, there's something going wrong with the way your second and third sets are showing up there! They've got all of those squiggles showing u..." | Read more » | about 8 years ago | |||
| warren | "Oh, sorry, to be clear, i just need the wavelength values. " | Read more » | over 8 years ago | |||
| warren | "Hi Chris, for the upcoming "root mean square error" calibration "fitness" test, I want to sample not every single point, but all the peaks and trou..." | Read more » | over 8 years ago | |||
| mathew | "hi! could you please post only research notes that you are looking to share with our community? your experimental spectra belong on spectralworkben..." | Read more » | almost 9 years ago | |||
| baconmaster | "What type of grating, sensor, and light source? I am trying to get the UV and Infrared, I'm not 100% but it seems you have captured both in this ph..." | Read more » | almost 9 years ago | |||
| Joeri2 | "I read that. I tried anyway just to check if there was anything perhaps a small difference. And so far I noticed a completely different problem. I..." | Read more » | over 9 years ago | |||
| MrBumper | "I'm not at all sure you can measure what you seem to be talking about, or at least not in the way you seem to be going about it. As far I know the ..." | Read more » | over 9 years ago | |||
| deboramv1 | "You're right, I think I've clicked in the wrong button. There's no need, but thank you! I have already asked my teacher for help to do the calibrat..." | | almost 10 years ago | |||
| warren | "Hola, parece que marcaste esto como un evento, pero era un error, no? El espectro me parece buena pero necesitas seleccionar la position correcta ..." | | almost 10 years ago | |||
| danbeavers | "I may be really off base here so play nice if I am. What sort of literature search has occurred regarding peak detection? I did a search and imme..." | Read more » | almost 10 years ago | |||
| warren | "The existing peak detection code, and notes on its shortcomings, is here: https://github.com/jywarren/spectral-workbench/blob/master/webserver/publ..." | Read more » | almost 10 years ago | |||
| warren | "Oh, https://twitter.com/SpectralWB " | Read more » | almost 10 years ago | |||
| warren | "Hi, Pascal - i wanted to know if it's OK for me to use your lead image as the SpectralWB twitter feed profile background? If you have a version wit..." | Read more » | almost 10 years ago | |||
| warren | "ah... i think there may be a slight bug in the digitization of the image. Perhaps it was multiple rounding errors? Apologies... i could look it up ..." | Read more » | about 10 years ago | |||
| Mulyati | "Oh Iunderstand now, thank you. As I know, the range of RGB is 0-255 but in spectrum I see that max value of red is 257, why? And how about the co..." | Read more » | about 10 years ago | |||
| warren | "Ah, i see what you're asking. OK: Ideally, we would measure all wavelengths equally in each pixel -- the diffraction grating should be separating ..." | Read more » | about 10 years ago | |||
| Mulyati | "Sorry, i want to ask you again. In the spectrum there is % y-axis, what does it mean? can i get the value of % y-axis with different wavelength? " | Read more » | about 10 years ago | |||
| warren | "Cameras only record intensity for R,G, and B channels, separately -- the Bayer filter prevents raw, full-bandwith intensity reading. :-/ Sorry! " | Read more » | about 10 years ago | |||
| Mulyati | "But that average is from RGB right? I want to know about value of the intensity from the spectrum. How you get that intensity? I think that's not f..." | Read more » | about 10 years ago | |||
| bgamari | "Jeff, it seems to me that real-time curvature correction shouldn't be so hard. Estimation of the observed curvature only needs to happen periodical..." | Read more » | about 10 years ago | |||
| warren | "There should be an averaged # in the JSON, CSV, and XML downloads, but since the camera records it in RGB, perhaps the best way is to just add R+B+G? " | Read more » | about 10 years ago | |||
| Mulyati | "hi, i wanna ask you about how to get the spectrum value, but not in RGB. can you help me? " | Read more » | about 10 years ago | |||
| warren | "Chrome camera switching partially working; need to debug on Chrome for Android though. Can you try it out? https://github.com/jywarren/spectral-wor..." | Read more » | about 10 years ago | |||
| stoft | "Jeff, I constructed a few more slotted filters which just bend a bit and fit in front of the smartphone slit. The camera focus difficulty limits th..." | Read more » | about 10 years ago |