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astrotbx's Introduction

Person

Aging scientist / software developer / hacker learning to use newer tools (hello dask, numpy, openCL & friends) - and now moving on to lower level matters like assembly programming, DMA, interrupt and real-time systems on microcontrollers, which is a lot of fun.

Pronouns: he / him

Blog

Work

High performance data handling, experiment control systems, automation, automated data analysis, smart algorithms. Knowing stuff about synchrotron MX.

Play

Programming µcontrollers at the moment (pi pico right now) - starting with µpython but looking to maybe migrate over to C (though really interested about using PIO blocks 🤔 Still at the driving servo / reading ADC phase though. And having to put together some basic tools for working with picoscroll top.

Trying to make these things "proper" e.g. with the picoripheral

Also dredging up some HPC stuff from "back in the day" to re-learn GPU programming etc. in hobby time.

me@mastadon

astrotbx's People

Contributors

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Watchers

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astrotbx's Issues

Resolve image scaling

Images from JPEG format are different dimensions to images in ARW - which I think is a known thing - this information probably helpful:

DSC00029.ARW: TIFF image data, little-endian, direntries=16, compression=JPEG (old), description=SONY DSC, manufacturer=SONY , model=DSLR-A700, orientation=upper-left, xresolution=270, yresolution=278, resolutionunit=2, software=DSLR-A700 v04, datetime=2018:04:03 09:55:15

However:

  • need to access it
  • need to decide how to apply it

Also there are un-illuminated regions around the edges of the images (I understand)

Dark current subtraction

Need to subtract the dark image from the raw before the demosaic process => will have to somewhat hack the rawpy handling of the image data...

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