IEEE

Energy Efficient Low-Complexity RIS-Aided 3-D DoA Estimation and Target Tracking Algorithm via Matrix Completion

Abstract: In this paper, we propose an algorithm for fast direction-of-arrival (DoA) tracking in reconfigurable intelligent surface aided systems. We reduce the total power consumption by reducing the ...
Scientific Research Publishing

Yu, L.J., Niu, X.M. and Sun, S.H. (2003) A Robust Watermarking Algorithm Based on Rotation, Scale Transformation and Shift. Acta Electronica Sinica, 31, Article 2071. (In Chinese)

ABSTRACT: In this paper, artificial intelligence image recognition technology is used to improve the recognition rate of individual domestic fish and reduce the recognition time, aiming at the problem ...
Reuters

Huge rotating structure of galaxies and dark matter is detected

WASHINGTON, Dec 8 (Reuters) - Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds of galaxies, gas and dark matter that makes ...
IEEE

Alternating Iterative Optimization With Matrix Decomposition for Calibration-Free Rotation Angle Estimation and Polarization Reconstruction

Abstract: Accurate estimation of rotation angles in polarimetric imaging is critical for high-precision polarimetric measurements. While existing least-squares-based methods avoid complex instrument ...