Consumer-grade digital cameras suffer from geometrical instability that may cause problems when used in photogrammetric applications.This paper provides a comprehensive review of this issue of interior orientation parameter variation over time, it explains the common ways used for coping with the issue, and describes the existing methods for perfor
The Spectrometer/Telescope for Imaging X-rays (STIX) on board Solar Orbiter (SolO) provides a unique opportunity to systematically perform stereoscopic X-ray observations of solar flares with current and upcoming X-ray missions at Earth.These observations will produce the first reliable measurements of hard X-ray (HXR) directivity Sponge Soap in de
Abstract Background Understanding the pathogenesis of influenza infection is a key factor leading to the prevention and control of future outbreaks.Pandemic 2009 Influenza H1N1 infection, although frequently mild, led to a severe and fatal form of disease in certain cases that make its virulence nature debatable.Much effort has been made toward exp