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Re: Integrate Module Updated [6]
Good work STeven. I downloaded the new version and tested it with my low-light Philips WebCam SPC-900NC. It now resets when you ...
12 years 8 3809
Low-light integration and bright pixels
Image integration under low-light conditions with uncooled CCD's produces a few very bright (noisy) pixels (example). Bu...
12 years 8 3809
Low-light integration and bright pixels [3]
Thanks Steven. First let me show what I am trying to do. I have a camera that integrates electronically (Watec WAT-120N) and am ...
12 years 8 3809
Re:Normalization Fixed [8]
That's it STeven ! With approx. the same test scene as before I  now get the following for 40-30 normalisation...
12 years 8 3809
Darkfield Subtraction
OK, now I want to go even further :-) and reduce the vertical striations that are due I suppose to the structure of the C...
12 years 2 2025
Control of electron-multiplying gain in EMCCD cameras
An Electron-Multiplying CCD (EMCCD) uses an electron multiplying structure built into the sensor to obtain high sensitivity in l...
11 years 1 1030
Where is the hot pixel filter (salt&pepper) ? [5]
Sorry, I hit the wrong button and posted my "Hot pixel" GIFs under Unknown Title. Here they are again for those following this...
11 years 6 2144
Where is the hot pixel filter (salt&pepper) ? [4]
Thanks STeven. Actually I am not looking at stars, but at much more diffuse blobs in a neutron diffraction pattern, so that will...
11 years 6 2144
Where is the hot pixel filter (salt&pepper) ? [2]
Here are a couple of examples of hot pixel background patterns from long exposures with completely different cameras, an EMCCD a...
11 years 6 2144
Where is the hot pixel filter (salt&pepper) ?
CCD's show "dark current" noise with longer exposures when warm, which shows up as isolated bright "hot pixels". In low lig...
11 years 6 2144
Where is the hot pixel filter (salt&pepper) ? [7]
That was quick work STeven. Thanks. Your documentation is also very clear and precise. A couple of comments. First a trivial one...
11 years 6 2144
Using more cameras. [15]
I've been thinking about how it might be possible to stitch together multiple cameras in RoboRealm without too much extra progr...
10 years 16 7093
Binning pixels to increase signal [9]
...And of course you can also do 1D-binning using the scale model in RoboRealm. Sorry, I didn't look at your Scale module caref...
10 years 9 2457
Binning pixels to increase signal [8]
Thanks for confirming that STeven. Square binning is indeed generally sufficient for binning to improve images with faint featur...
10 years 9 2457
Bug & stitching together 2 cameras [9]
Hi STeven. I upgraded to the version created yesterday 11 March and now I can only see one of my two USB-2 cameras. With my old ...
10 years 16 7093
Using more cameras. [14]
I'm coming back to this because the kind of stitching of multiple cameras that I was talking about can now be done with an Imag...
10 years 16 7093
Binning pixels to increase signal [6]
I took a while to find an example that other people could try, and finally it did not seem as useful as I had expected, though i...
10 years 9 2457
rotate and mosaic [10]
Ok, to avoid the shear I must simply choose the Mosaic Image Size sufficiently large... my mistake.
10 years 13 1521
rotate and mosaic [9]
I meant "...are no longer limited to 320x240..." ...
10 years 13 1521
rotate and mosaic [8]
This does look promising. I see that the mosaic images are no longer limited to 230x240 in the latest RoboRealm 1.8.10.3; this i...
10 years 13 1521

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