IEEE

An Efficient and Accurate Solution to Camera Pose Estimation Problem from Point and Line Correspondences Based on Null Space Analysis

Abstract: In this paper, we propose an accurate and simultaneously efficient solution to perspective-n-point-and-line (PnPL) problem by null space analysis. Although many PnPL-like methods have been ...
IEEE

An Effective Method for Calculating the Scattering Problems of Periodic Targets Buried in a Half-Space

Abstract: By using layered-medium periodic Green's function (PGF), the problems of electromagnetic scattering from periodic targets which are buried in a half-space are favorably figured out. However, ...
Space.com

SpaceX could lose contract for Artemis 3 astronaut moon-landing mission, acting NASA chief says: 'The problem is, they're behind'

The first crewed moon landing in more than half a century may not be pulled off by SpaceX after all. In April 2021, NASA awarded Elon Musk's company a $2.9 billion contract to provide the first crewed ...