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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... |
18 year | 8 | 5366 |
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 ... |
18 year | 8 | 5366 |
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 ... |
18 year | 8 | 5366 |
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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... |
18 year | 8 | 5366 |
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... |
18 year | 2 | 3397 |
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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... |
17 year | 1 | 2230 |
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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... |
17 year | 6 | 3832 |
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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... |
17 year | 6 | 3832 |
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... |
17 year | 6 | 3832 |
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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... |
17 year | 6 | 3832 |
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... |
17 year | 6 | 3832 |
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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... |
17 year | 9 | 4040 |
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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... |
17 year | 16 | 12286 |
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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... |
17 year | 9 | 4040 |
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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 ... |
17 year | 16 | 12286 |
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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... |
17 year | 9 | 4040 |
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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... |
17 year | 16 | 12286 |
rotate and mosaic [14]
That works!!!! It is a bit of a fiddle, but it does tile the second camera on a translated image of the first. I had to use a Ma... |
17 year | 13 | 2836 |
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rotate and mosaic [13]
Thanks STeven. Yes, if I can translate and paste several individual images into a larger image area that allows overlap, that sh... |
17 year | 13 | 2836 |
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rotate and mosaic [10]
Ok, to avoid the shear I must simply choose the Mosaic Image Size sufficiently large... my mistake. | 17 year | 13 | 2836 |
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