UK spearheads polar climate change research as US draws back

Britain's flagship polar research vessel heads to Antarctica next week to help advance dozens of climate change-linked ...
IEEE

Rotation-Invariant Feature Learning via Convolutional Neural Network With Cyclic Polar Coordinates Convolutional Layer

Abstract: Convolutional neural networks (CNNs) have been demonstrated to be powerful tools to automatically learn effective features from large datasets. Though features learned in CNNs are ...
IEEE

Convolution Theorems for Two-Dimensional LCT of Angularly Periodic Functions in Polar Coordinates

Abstract: By focusing on a special type of functions that are angularly periodic with period 2π, a relationship between two-dimensional (2-D) linear canonical transform (LCT) and linear canonical ...