I am not qualified to comment on anything in the rest of this discussion, but
regarding the excerpt quoted below: this way of recording an "image" seems very
similar to the EER (electron event representation) of the Falcon 4 direct
electron detector used in cryoEM. See https://doi.org/10.1107/S2
HDF5 is still "framing", but using better compression than the "byte
offset" one implemented in Pilatus CBFs, which has a minimum of one byte
per pixel. Very fast, but not designed for near-blank images.
Assuming entropy-limited compression the ultimate data rate is the
number of photons/s hit
Thank you very much for this Kay!
So, to summarize, you are saying the answer to my question "what is the
expectation and variance if I observe a 10x10 patch of pixels with zero
counts?" is:
Iobs = 0.01
sigIobs = 0.01 (defining sigIobs = sqrt(variance(Iobs)))
And for the one-pixel case:
I
Dear CCP4 X-ray crystallographers,
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that will be held on Oct 24-26, 2021. Dr. Michael Rossmann was a pioneer in
protein crystallography and we hope you will be interested to come to the
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Hi,
we have an opening for a fully funded 4-year PhD position in my group at hte
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Informal queries are welcome, but applications must be made through the link in
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All, this was my reply to one of James' emails which I just noticed was to
me only, and I ought to have CC'd it to the BB, since it has relevance to
others' contributions to the discussion.
Cheers
-- Ian
On Mon, 18 Oct 2021 at 11:27, Ian Tickle wrote:
>
> James, no I don't think so, what does
A postdoc position is available in the group of Alex Bullock, University of
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Hi James,
I'm a bit behind ...
My answer about the basic question ("a patch of 100 pixels each with zero
counts - what is the variance?") you ask is the following:
1) we all know the Poisson PDF (Probability Distribution Function) P(k|l) =
l^k*e^(-l)/k! (where k stands for for an integer >=0
Dear Colleagues,
We have a bioinformatician position available in the PDBe team at the
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We are looking for a structural bioinformatician who is interested in
developing methods for protein structure analysi
