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Phantom_simulate_microscope_v31

Adrian Quintana edited this page Dec 11, 2017 · 1 revision

!xmipp_phantom_simulate_microscope (v3.1)

Usage

Simulate the effect of the microscope on ideal projections.

Parameters

$``: Input file: metadata, stack, volume or image. $--mode &lt;modeoverwrite> where <mode> can be:

    • $--label &lt;image_labelimage> $-o, --output &lt;output_file> $--oroot &lt;root> $--save_metadata_stack &lt;output_md> $: Store the original image filename in the output metadata in column imageOriginal. $: Preserve the columns from the input metadata. Some of the column values can be changed by the program.

CTF options $--ctf &lt;CTFdescr> $``: apply noise after CTF $--defocus_change &lt;v0>

Noise options $--noise &lt;stddev&gt; &lt;w0.5> $ or: the necessary noise power for a specified SNR is estimated $ or: do not add any noise, only simulate the CTF $--downsampling &lt;D1>

Examples and notes

Generate a set of images with the CTF applied without any noise

xmipp_phantom_simulate_microscope -i g0ta.sel --oroot g1ta --ctf untilt_ARMAavg.ctfparam
Generate a set of images with a target SNR
xmipp_phantom_simulate_microscope -i g0ta.sel --oroot g2ta --ctf untilt_ARMAavg.ctfparam --targetSNR 0.2 --after_ctf_noise
Generate a set of images with the CTF applied and noise before and after CTF
xmipp_phantom_simulate_microscope -i g0ta.sel --oroot g2ta --ctf untilt_ARMAavg.ctfparam --noise 4.15773 --after_ctf_noise

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