Abstract: This work compares the effectiveness of four image reconstruction techniques for a ring-array photoacoustic computed tomography (PACT) system: the delay-and-sum (DAS), the interpolated model ...

Abstract: Removing noise from infrared images is of great significance in various fields. The existing infrared image denoising methods have the problem of an imbalance between noise suppression and ...

Inclusion in these pictures is not an indication of any wrongdoing. Europe’s weak leaders aren’t standing up to Putin – except one Kirsty MacColl's ex-husband claims singer's death was a 'cover up' ...

This NASA/ESA Hubble Space Telescope image features a glittering blue dwarf galaxy called Markarian 178 (Mrk 178). The galaxy, which is substantially smaller than our own Milky Way, lies 13 million ...