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Journal Article

Histogram of oriented gradients: a technique for the study of molecular cloud formation

MPS-Authors

Soler,  J. D.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Beuther,  H.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Rugel,  M.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Wang,  Y.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Clark,  P. C.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Glover,  S. C. O.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Goldsmith,  P. F.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Heyer,  M.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Anderson,  L. D.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Goodman,  A.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Henning,  Th.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Kainulainen,  J.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Klessen,  R. S.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Longmore,  S. N.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

McClure-Griffiths,  N. M.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Menten,  K. M.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Mottram,  J. C.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Ott,  J.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Ragan,  S. E.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Smith,  R. J.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Urquhart,  J. S.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Bigiel,  F.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Hennebelle,  P.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Roy,  N.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Schilke,  P.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

External Resource

https://ui.adsabs.harvard.edu/abs/2019A&A...622A.166S
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Citation

Soler, J. D., Beuther, H., Rugel, M., Wang, Y., Clark, P. C., Glover, S. C. O., et al. (2019). Histogram of oriented gradients: a technique for the study of molecular cloud formation. Astronomy and Astrophysics, 622.


Cite as: https://hdl.handle.net/21.11116/0000-0005-D246-F
Abstract
We introduce the histogram of oriented gradients (HOG), a tool developed for machine vision that we propose as a new metric for the systematic characterization of spectral line observations of atomic and molecular gas and the study of molecular cloud formation models. In essence, the HOG technique takes as input extended spectral-line observations from two tracers and provides an estimate of their spatial correlation across velocity channels. We characterized HOG using synthetic observations of