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Organic semiconductors are a promising class of materials for numerous electronic and optoelectronic applications, including solar cells. However, these materials tend to be extremely sensitive to the local environment and surrounding…

介观与纳米尺度物理 · 物理学 2023-03-29 Katherine A. Cochrane , Tanya S. Roussy , Bingkai Yuan , Gary Tom , Erik Mårsell , Sarah A. Burke

We introduce CellSegmenter, a structured deep generative model and an amortized inference framework for unsupervised representation learning and instance segmentation tasks. The proposed inference algorithm is convolutional and…

计算机视觉与模式识别 · 计算机科学 2020-11-26 Luca D'Alessio , Mehrtash Babadi

As feature sizes shrink to the nanometer scale, accurately transferring circuit patterns from photomasks to silicon wafers becomes increasingly challenging. Optical proximity correction (OPC) is widely used to ensure pattern fidelity and…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Yuting Hu , Lei Zhuang , Chen Wang , Ruiyang Qin , Hua Xiang , Gi-joon Nam , Jinjun Xiong

We show that viewing graphs as sets of node features and incorporating structural and positional information into a transformer architecture is able to outperform representations learned with classical graph neural networks (GNNs). Our…

机器学习 · 计算机科学 2021-06-11 Grégoire Mialon , Dexiong Chen , Margot Selosse , Julien Mairal

Molecular property is usually observed with a limited number of samples, and researchers have considered property prediction as a few-shot problem. One important fact that has been ignored by prior works is that each molecule can be…

机器学习 · 计算机科学 2023-06-30 Xiang Zhuang , Qiang Zhang , Bin Wu , Keyan Ding , Yin Fang , Huajun Chen

Humans can often count unfamiliar objects by observing visual repetition and composition, rather than relying only on object categories. However, many exemplar-free counting models struggle in such situations and may overcount when objects…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Md Tanvir Hossain , Akif Islam , Mohd Ruhul Ameen

Molecular dynamic simulations are important in computational physics, chemistry, material, and biology. Machine learning-based methods have shown strong abilities in predicting molecular energy and properties and are much faster than DFT…

分子网络 · 定量生物学 2023-02-03 Zheng Yuan , Yaoyun Zhang , Chuanqi Tan , Wei Wang , Fei Huang , Songfang Huang

We elaborate on unconventional electronic structure methods based on geminals and their potential to advance the rapidly developing field of organic photovoltaics (OPV). Specifically, we focus on the computational advantages of…

化学物理 · 物理学 2023-09-01 Paweł Tecmer , Marta Gałyńska , Lena Szczuczko , Katharina Boguslawski

Molecular property prediction is crucial for drug discovery when labeled data are scarce. This work presents CardinalGraphFormer, a graph transformer augmented with a query-conditioned cardinality-preserving attention (CPA) channel that…

机器学习 · 计算机科学 2026-02-19 Abhijit Gupta

Accurate single-object tracking and short-term motion forecasting remain challenging under occlusion, scale variation, and temporal drift, which disrupt the temporal coherence required for real-time perception. We introduce…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Zhongping Dong , Pengyang Yu , Shuangjian Li , Liming Chen , Mohand Tahar Kechadi

Cellular manufacturing (CM) is an approach that includes both flexibility of job shops and high production rate of flow lines. Although CM provides many benefits in reducing throughput times, setup times, work-in-process inventories but the…

适应与自组织系统 · 物理学 2012-01-27 Manojit Chattopadhyay , Pranab K. Dan , Sitanath Majumdar

The growing interest in Temporal Graph Neural Networks (TGNNs) stems from their ability to model complex dynamics and deliver superior performance. However, TGNNs encounter fundamental challenges in capturing long-term dependencies and…

机器学习 · 计算机科学 2026-05-26 Hongjiang Chen , Pengfei Jiao , Ming Du , Xuan Guo , Zhidong Zhao , Di Jin , Xiao Liu

Solar cells based on organic compounds are a proven emergent alternative to conventional electrical energy generation. Here, we provide a computational study of power conversion efficiency optimization of BODIPY-derivatives by means of…

化学物理 · 物理学 2021-12-21 Duvalier Madrid-Usuga , Alejandro Ortiz , John H. Reina

Establishing the relationship between 3D structures and the energy states of molecular systems has proven to be a promising approach for learning 3D molecular representations. However, existing methods are limited to modeling the molecular…

机器学习 · 计算机科学 2025-02-27 Liang Wang , Shaozhen Liu , Yu Rong , Deli Zhao , Qiang Liu , Shu Wu , Liang Wang

In molecular and biological sciences, experiments are expensive, time-consuming, and often subject to ethical constraints. Consequently, one often faces the challenging task of predicting desirable properties from small data sets or…

机器学习 · 计算机科学 2023-01-09 Nicole Hayes , Ekaterina Merkurjev , Guo-Wei Wei

Transformer architectures, capable of capturing sequential dependencies in the history of user interactions, have become the dominant approach in sequential recommender systems. Despite their success, such models consider sequence elements…

Crystal structure modeling with graph neural networks is essential for various applications in materials informatics, and capturing SE(3)-invariant geometric features is a fundamental requirement for these networks. A straightforward…

机器学习 · 计算机科学 2025-03-05 Yusei Ito , Tatsunori Taniai , Ryo Igarashi , Yoshitaka Ushiku , Kanta Ono

Beyond conventional organic thin-film transistors, this thesis explores possible paths for the fourth wave of organic electronics. In this context, mixed ionic-electronic conductors and organic electro-chemical transistors (OECTs) are…

新兴技术 · 计算机科学 2021-11-19 Hans Kleemann

The CNN-based methods have achieved impressive results in medical image segmentation, but they failed to capture the long-range dependencies due to the inherent locality of the convolution operation. Transformer-based methods are recently…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Xiaohong Huang , Zhifang Deng , Dandan Li , Xueguang Yuan

Identifying the chemical structure from a graphical representation, or image, of a molecule is a challenging pattern recognition task that would greatly benefit drug development. Yet, existing methods for chemical structure recognition do…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Martijn Oldenhof , Edward De Brouwer , Adam Arany , Yves Moreau