See Equation 1-10 of this paper:
<br/>
<a href=https://www.cv-foundation.org/openaccess/content_cvpr_2016_workshops/w29/papers/Mann_Surveillance_Oversight_Sousveillance_CVPR_2016_paper.pdf>https://www.cv-foundation.org/openaccess/content_cvpr_2016_workshops/w29/papers/Mann_Surveillance_Oversight_Sousveillance_CVPR_2016_paper.pdf</a>
<p>
See equivalence between veillography and metaveillography:
<br/>
<a href=http://wearcam.org/gem2018/08516502.pdf>http://wearcam.org/gem2018/08516502.pdf</a>
<p>
Linear SWIM for powertrenography:
<br/>
<a href=https://ieeexplore.ieee.org/document/9986536>Powertrain photography and visualization using SWIM...</a>
(<a href=http://wearcam.org/icves/Powertrain_photography_and_visualization_using_SWIM_Sequential_Wave_Imprinting_Machine_for_veyance_safety.pdf>submitted version directly compiled from Overleaf LaTeX</a>)