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20 papers · 1 filter
Handling Inter-class and Intra-class Imbalance in Class-imbalanced Learning
Zhining Liu, Pengfei Wei, Zhepei Wei +5
Class-imbalance is a common problem in machine learning practice. Typical Imbalanced Learning (IL) methods balance the data via intuitive class-wise resampling or reweighting. Howe…
IMBENS: Ensemble Class-imbalanced Learning in Python
Zhining Liu, Jian Kang, Hanghang Tong +1
imbalanced-ensemble, abbreviated as imbens, is an open-source Python toolbox for leveraging the power of ensemble learning to address the class imbalance problem. It provides stand…
Generation of robust spatiotemporal optical vortices with transverse orbital angular momentum beyond
Wei Chen, Wang Zhang, Yuan Liu +3
Recently, photons have been observed to possess transverse orbital angular momentum (OAM); however, it is unclear as whether they can hold a transverse OAM higher than 1. Here, we…
A New Design for a Traveling-Wave Zeeman Decelerator: II. Experiment
Tomislav Damjanovic, Stefan Willitsch, Nicolas Vanhaecke +4
A novel traveling-wave Zeeman decelerator based on a double-helix coil geometry capable of decelerating paramagnetic molecules with high efficiency is presented. Moving magnetic tr…
A New Design for a Traveling-Wave Zeeman Decelerator: I. Theory
Tomislav Damjanovic, Stefan Willitsch, Nicolas Vanhaecke +4
The concept of a novel traveling wave Zeeman deccelerator based on a double-helix wire geometry capable of decelerating paramagnetic species with high efficiency is presented. A mo…
A Transferable Machine-learning Scheme from Pure Metals to Alloys in Predicting Adsorption Energies
Xin Li, Bo Li, Zhiwen Chen +2
Alloys present the great potential in catalysis because of their adjustable compositions, structures and element distributions, which unfortunately also limit the fast screening of…