Comments

Author Comment Last activity Moderation
amirberAgain "Another ask /suggestion : place particles on a polarized film sheet illuminated from below, image with a cross polarizer to remove the background. " | Read more » over 4 years ago
amirberAgain "Another ask/ suggestion would be to image using black/uv light, most plastics would show strong signs of fluorescence which might help descriminati..." | Read more » over 4 years ago
amirberAgain "Code: https://drive.google.com/file/d/1HDekiO0l9DEmSBmbWBVOEEPvSkys6AUa/view?usp=sharing " | Read more » over 4 years ago
amirberAgain "I tried to apply the same simplistic approach as was in the particle image. Not sure why, but Sobel didn't work, but Canny did. Other than that - t..." | Read more » over 4 years ago
amirberAgain "Could you upload a few more image samples? Is it possible to ask that the samples be illuminated from a wide light source such that shade will be k..." | Read more » over 4 years ago
amirberAgain "For now, my code and iamge excerpt can be found here, just untill I figure out how to have two git users on my machine, https://drive.google.com/dr..." | Read more » over 4 years ago
amirberAgain "There are two devices I'm familiar with which could be relevant to your question: Nima - uses detection strips for gluten https://nimasensor.com/ ..." | Read more » over 4 years ago
amirberAgain "In the comment section of the post linked below there is a link to a large cohort of images, thou I'm not sure if they represent airborne dust part..." | Read more » over 4 years ago
amirberAgain "Si-based cameras (as the ones used in smartphones) have a very low sensitivity over 950nm and virtually none over 1000nm, so it is very unlikely. I..." | Read more » over 4 years ago
amirberAgain "This sounds very interesting, but I don't have any raw data. Maybe join the Tue. open call? I think this can be a great study case for ML/DL. Googl..." | Read more » over 4 years ago
amirberAgain "Saw this during the air pollution open call today, It looks really nice! any reason you used ImageJ and not Python + OpenCV? " | Read more » over 4 years ago
amirberAgain "I think they already had a very similar previous publication, but this came up today in one of my Scholar alerts: https://pdfs.semanticscholar.org/..." | Read more » over 4 years ago
amirberAgain ":) OK, Got that now! " | Read more » over 4 years ago
amirberAgain "@stevie any chance you meant to 8pm and not 2pm? https://groups.google.com/forum/#!topic/publiclaboratory/1wnDDulduXs " | Read more » over 4 years ago
amirberAgain "Will try to! " | Read more » over 4 years ago
amirberAgain "What could be applicable here is a lens free holographic microscope. I've been wanting to build one for a long time, maybe this will be my excuse! ..." | Read more » over 4 years ago
amirberAgain "This looks really nice! I'll start assembling the parts! in the mean time, a small suggestion: place a diffuser (piece of parchment paper) between ..." | Read more » almost 5 years ago
amirberAgain "Hi @planet, it's always fun to hear this kind of feedback. Please note that I only used the desktop spectrometer as a "reference design", you can u..." | Read more » almost 5 years ago
amirberAgain "Not sure I got exactly what you meant. Slit, Have you looked at the Acetate slits from the Public lab store? Alternatively, you can buy one from ..." | Read more » almost 5 years ago
amirberAgain "Hi @kimoyerr, As long as you get the first order diffraction to the camera the pipe's shape is of lesser importance(that's what I think). My first ..." | Read more » about 5 years ago
amirberAgain "Forsure, thou, I wouldn't change the grating to a prism. option 1 Holographic diffraction grating from Edmond optics pack of 15 <20$US Option 2 ..." | Read more » over 5 years ago
amirberAgain "Not sure I got you, The required HW is basically the PLab spectrometer where I have used a rainbow symphony grating instead of a CD grating for bet..." | Read more » over 5 years ago
amirberAgain "Hello @maykef do you have an example you are thinking of? " | Read more » over 5 years ago
amirberAgain "@Indianajuns It is my impression this setup is light enough to be placed on a drone, but would require work adapting it mechanically. @roborob It i..." | Read more » over 5 years ago