An improved procedure is proposed here for automatic myocardial border tracking (AMBT) of the endocardial and epicardial edges in a sequence of video images. The procedure includes nonlinear filtering ...

US President Donald Trump has shown a screenshot of video taken in the Democratic Republic of Congo as part of what he falsely presented as evidence of mass killings of white South Africans.

Take a look at some of the flowers photographed by Craig Burrows ... To capture these otherworldly images he uses a technique called ultraviolet-induced visible fluorescence photography, or ...

Satellite images have revealed how Moscow is bulking up its military presence on the Finnish border - in a chilling echo of pictures taken of Russian bases before Putin launched his war in Ukraine.