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How do I write_Images every n seconds [2]
I can use Write_Images to record every frame as a separate image, but I have a camera that integrates over time up to 10sec so t... |
10 years | 2 | 921 |
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 | 998 |
![]() ![]() 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... |
10 years | 13 | 1457 |
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... |
10 years | 13 | 1457 |
rotate and mosaic [10]
Ok, to avoid the shear I must simply choose the Mosaic Image Size sufficiently large... my mistake. | 10 years | 13 | 1457 |
rotate and mosaic [9]
I meant "...are no longer limited to 320x240..." ... |
10 years | 13 | 1457 |
![]() 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 | 1457 |
rotate and mosaic [5]
Thanks, that looks like an interesting program, and stitching automatically is a big advance on other stitching programs I've t... |
10 years | 13 | 1457 |
rotate and mosaic [3]
Dgephri wrote: Can we get a Rotate function for each camera in the near future, or is that too low on the list? | 10 years | 13 | 1457 |
![]() 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 | 1958 |
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 | 2048 |
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 | 2048 |
![]() 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 | 2048 |
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 | 2048 |
![]() Here are a couple of examples of hot pixel background patterns from long exposures with completely different cameras, an EMCCD a... |
11 years | 6 | 2048 |
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 | 2389 |
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 | 2389 |
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 | 2389 |
![]() That's it STeven ! With approx. the same test scene as before I now get the following for 40-30 normalisation... |
12 years | 8 | 3745 |
![]() 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 | 3745 |
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