IEEE

VR-SGD: A Simple Stochastic Variance Reduction Method for Machine Learning

Abstract: In this paper, we propose a simple variant of the original SVRG, called variance reduced stochastic gradient descent (VR-SGD). Unlike the choices of snapshot and starting points in SVRG and ...

Scientists use Einstein’s equations to reveal what came before the Big Bang

Some of the hardest questions in cosmology begin where the usual math gives up. Push Einstein’s theory far enough back toward the Big Bang, and the equations run into a singularity, a point where ...
The Straits Times

UN food agencies seek $260 million to shield 8.8 million people from El Nino

ROME – The United Nations’ Food and Agriculture Organization (FAO) and World Food Programme (WFP) on June 18 appealed for US$202 million (S$260 million) to help protect 8.8 million people across 22 ...
The Straits Times

Nearly half of the world’s children exposed to three or more climate risks: UNICEF

NEW YORK – More than one billion children face at least three overlapping climate hazards, UNICEF warned on June 15, while highlighting the disproportionate impact in some regions of the world. For ...
IEEE

Method for Fused Phase and PCA Direction Based on a SIFT Framework for Multi-Modal Image Matching

Abstract: The high noise and local deformation of multi-modal images reduce the accuracy of scale invariant feature transform (SIFT) image matching. To solve this problem, a new method based on the ...