This short video shows a reaction to a Minecraft clip where different custom Nether portal designs are tested and activated. Instead of the usual rectangle, the portals appear in many creative shapes, ...

A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...

Abstract: Infrared small target detection techniques remain a challenging task due to the complex background. To overcome this problem, by exploring context information, this research presents a ...