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Gravitational lensing is one of the most powerful probes of dark matter, yet creating high-fidelity lensed images at scale remains a bottleneck. Existing tools rely on ray-tracing or forward-modeling pipelines that, while precise, are…

天体物理仪器与方法 · 物理学 2025-11-17 Hamees Sayed , Pranath Reddy , Michael W. Toomey , Sergei Gleyzer

Sampling diverse, thermodynamically feasible molecular conformations plays a crucial role in predicting properties of a molecule. In this paper we propose to use GFlowNet for sampling conformations of small molecules from the Boltzmann…

Active learning is an important technology for automated machine learning systems. In contrast to Neural Architecture Search (NAS) which aims at automating neural network architecture design, active learning aims at automating training data…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Zhanpeng Feng , Shiliang Zhang , Rinyoichi Takezoe , Wenze Hu , Manmohan Chandraker , Li-Jia Li , Vijay K. Narayanan , Xiaoyu Wang

The accurate but fast calculation of molecular excited states is still a very challenging topic. For many applications, detailed knowledge of the energy funnel in larger molecular aggregates is of key importance requiring highly accurate…

化学物理 · 物理学 2024-01-12 Vivin Vinod , Sayan Maity , Peter Zaspel , Ulrich Kleinekathöfer

Current Deep Neural Networks are vulnerable to adversarial examples, which alter their predictions by adding carefully crafted noise. Since human eyes are robust to such inputs, it is possible that the vulnerability stems from the standard…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Amitangshu Mukherjee , Timur Ibrayev , Kaushik Roy

Many applications, such as in physical simulation and engineering design, demand we estimate functions with high-dimensional outputs. The training examples can be collected with different fidelities to allow a cost/accuracy trade-off. In…

机器学习 · 计算机科学 2021-10-27 Shibo Li , Robert M. Kirby , Shandian Zhe

Quantum computing presents a promising alternative for the direct simulation of quantum systems with the potential to explore chemical problems beyond the capabilities of classical methods. However, current quantum algorithms are…

Active Learning (AL) techniques have proven to be highly effective in reducing data labeling costs across a range of machine learning tasks. Nevertheless, one known challenge of these methods is their potential to introduce unfairness…

机器学习 · 计算机科学 2023-12-20 Ricky Fajri , Akrati Saxena , Yulong Pei , Mykola Pechenizkiy

We propose AffordanceNet, a new deep learning approach to simultaneously detect multiple objects and their affordances from RGB images. Our AffordanceNet has two branches: an object detection branch to localize and classify the object, and…

计算机视觉与模式识别 · 计算机科学 2018-03-06 Thanh-Toan Do , Anh Nguyen , Ian Reid

Deep active learning aims to reduce the annotation cost for the training of deep models, which is notoriously data-hungry. Until recently, deep active learning methods were ineffectual in the low-budget regime, where only a small number of…

机器学习 · 计算机科学 2023-12-29 Ofer Yehuda , Avihu Dekel , Guy Hacohen , Daphna Weinshall

Multi fidelity Bayesian optimization (MFBO) leverages experimental and or computational data of varying quality and resource cost to optimize towards desired maxima cost effectively. This approach is particularly attractive for chemical…

机器学习 · 计算机科学 2024-09-12 Edmund Judge , Mohammed Azzouzi , Austin M. Mroz , Antonio del Rio Chanona , Kim E. Jelfs

The rise of Large Language Models (LLMs) has boosted the use of Few-Shot Learning (FSL) methods in natural language processing, achieving acceptable performance even when working with limited training data. The goal of FSL is to effectively…

Generative Flow Networks (GFlowNets), a new family of probabilistic samplers, have demonstrated remarkable capabilities to generate diverse sets of high-reward candidates, in contrast to standard return maximization approaches (e.g.,…

机器学习 · 计算机科学 2025-02-25 Haoran He , Can Chang , Huazhe Xu , Ling Pan

Reasoning is a fundamental substrate for solving novel and complex problems. Deliberate efforts in learning and developing frameworks around System 2 reasoning have made great strides, yet problems of sufficient complexity remain largely…

计算与语言 · 计算机科学 2024-10-18 Matthew Ho , Vincent Zhu , Xiaoyin Chen , Moksh Jain , Nikolay Malkin , Edwin Zhang

The automated mining of predictive signals, or alphas, is a central challenge in quantitative finance. While Reinforcement Learning (RL) has emerged as a promising paradigm for generating formulaic alphas, existing frameworks are…

计算金融 · 定量金融 2026-05-20 Binqi Chen , Hongjun Ding , Ning Shen , Jinsheng Huang , Taian Guo , Luchen Liu , Ming Zhang

In the complex domain of microfluidics systems, analysing fluid flow patterns through random-shaped circular microchannels is significantly challenging task. Conventional approach of solving such problems using computational fluid dynamics…

计算工程、金融与科学 · 计算机科学 2026-04-21 Ganesh Sahadeo Meshram , Suman Chakraborty , Nishant Sinha , Partha Pratim Chakrabarti

Generative Flow Networks (GFlowNets) have shown promising potential to generate high-scoring candidates with probability proportional to their rewards. As existing GFlowNets freely explore in state space, they encounter significant…

机器学习 · 计算机科学 2026-02-13 Xuan Yu , Xu Wang , Rui Zhu , Yudong Zhang , Yang Wang

The Deep Learning revolution has enabled groundbreaking achievements in recent years. From breast cancer detection to protein folding, deep learning algorithms have been at the core of very important advancements. However, these modern…

计算机视觉与模式识别 · 计算机科学 2024-03-01 Bonaventure F. P. Dossou

Generative Flow Networks (GFlowNets) are a family of probabilistic generative models that learn to sample compositional objects proportional to their rewards. One big challenge of GFlowNets is training them effectively when dealing with…

机器学习 · 计算机科学 2025-06-16 Zarif Ikram , Ling Pan , Dianbo Liu

Active learning is of great interest for many practical applications, especially in industry and the physical sciences, where there is a strong need to minimize the number of costly experiments necessary to train predictive models. However,…

机器学习 · 计算机科学 2021-12-23 Maryam Pardakhti , Nila Mandal , Anson W. K. Ma , Qian Yang