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Even though thermodynamic energy-based crystal structure prediction (CSP) has revolutionized materials discovery, the energy-driven CSP approaches often struggle to identify experimentally realizable metastable materials synthesized through…

材料科学 · 物理学 2025-05-15 Yu Xin , Peng Liu , Zhuohang Xie , Wenhui Mi , Pengyue Gao , Hong Jian Zhao , Jian Lv , Yanchao Wang , Yanming Ma

Data driven generative machine learning models have recently emerged as one of the most promising approaches for new materials discovery. While the generator models can generate millions of candidates, it is critical to train fast and…

材料科学 · 物理学 2021-12-14 Daniel Gleaves , Edirisuriya M. Dilanga Siriwardane , Yong Zhao , Nihang Fu , Jianjun Hu

Predicting which hypothetical inorganic crystals can be experimentally realized remains a central challenge in accelerating materials discovery. SyntheFormer is a positive-unlabeled framework that learns synthesizability directly from…

材料科学 · 物理学 2025-10-23 Danial Ebrahimzadeh , Sarah Sharif , Yaser Mike Banad

Reliable traversability estimation is crucial for autonomous robots to navigate complex outdoor environments safely. Existing self-supervised learning frameworks primarily rely on positive and unlabeled data; however, the lack of explicit…

机器人学 · 计算机科学 2026-02-04 Bomena Kim , Hojun Lee , Younsoo Park , Yaoyu Hu , Sebastian Scherer , Inwook Shim

Positive-Unlabeled (PU) learning aims to learn a model with rare positive samples and abundant unlabeled samples. Compared with classical binary classification, the task of PU learning is much more challenging due to the existence of many…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Chengming Xu , Chen Liu , Siqian Yang , Yabiao Wang , Shijie Zhang , Lijie Jia , Yanwei Fu

The combination of data science and materials informatics has significantly propelled the advancement of multi-component compound synthesis research. This study employs atomic-level data to predict miscibility in binary compounds using…

材料科学 · 物理学 2024-09-05 Chiwen Feng , Yanwei Liang , Jiaying Sun , Renhai Wang , Huaijun Sun , Huafeng Dong

Positive and Unlabeled (PU) learning, a binary classification model trained with only positive and unlabeled data, generally suffers from overfitted risk estimation due to inconsistent data distributions. To address this, we introduce a…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Chengjie Wang , Chengming Xu , Zhenye Gan , Jianlong Hu , Wenbing Zhu , Lizhuag Ma

Understanding and predicting microstructure evolution is fundamental to materials science, as it governs the resulting properties and performance of materials. Traditional simulation methods, such as phase-field models, offer high-fidelity…

机器学习 · 计算机科学 2026-02-24 Michael Trimboli , Mohammed Alsubaie , Sirani M. Perera , Ke-Gang Wang , Xianqi Li

Positive-unlabeled (PU) learning addresses binary classification when only a set of labeled positives is available alongside a pool of unlabeled samples drawn from a mixture of positives and negatives. Existing PU methods typically require…

机器学习 · 统计学 2026-05-08 Siyan Liu , Yi Chang , Manli Cheng , Qinglong Tian , Pengfei Li

Positive-unlabeled (PU) learning is a weakly supervised binary classification problem, in which the goal is to learn a binary classifier from only positive and unlabeled data, without access to negative data. In recent years, many PU…

机器学习 · 计算机科学 2026-02-24 Wei Wang , Dong-Dong Wu , Ming Li , Jingxiong Zhang , Gang Niu , Masashi Sugiyama

As a machine-learned potential, the neuroevolution potential (NEP) method features exceptional computational efficiency and has been successfully applied in materials science. Constructing high-quality training datasets is crucial for…

机器学习 · 计算机科学 2025-06-03 Chengbing Chen , Yutong Li , Rui Zhao , Zhoulin Liu , Zheyong Fan , Gang Tang , Zhiyong Wang

Despite an artificial intelligence-assisted modeling of disordered crystals is a widely used and well-tried method of new materials design, the issues of its robustness, reliability, and stability are still not resolved and even not…

计算物理 · 物理学 2024-11-08 Fedor S. Avilov , Roman A. Eremin , Semen A. Budennyy , Innokentiy S. Humonen

We propose a meta-learning method for positive and unlabeled (PU) classification, which improves the performance of binary classifiers obtained from only PU data in unseen target tasks. PU learning is an important problem since PU data…

机器学习 · 计算机科学 2024-06-07 Atsutoshi Kumagai , Tomoharu Iwata , Yasuhiro Fujiwara

We introduce MixTraining, a new training paradigm for object detection that can improve the performance of existing detectors for free. MixTraining enhances data augmentation by utilizing augmentations of different strengths while excluding…

计算机视觉与模式识别 · 计算机科学 2021-11-05 Mengde Xu , Zheng Zhang , Fangyun Wei , Yutong Lin , Yue Cao , Stephen Lin , Han Hu , Xiang Bai

Machine learning models have recently emerged to predict whether hypothetical solid-state materials can be synthesized. These models aim to circumvent direct first-principles modeling of solid-state phase transformations, instead learning…

材料科学 · 物理学 2026-02-05 Jane Schlesinger , Simon Hjaltason , Nathan J. Szymanski , Christopher J. Bartel

Machine learning models are susceptible to being misled by biases in training data that emphasize incidental correlations over the intended learning task. In this study, we demonstrate the impact of data bias on the performance of a machine…

材料科学 · 物理学 2024-12-11 Ali Davariashtiyani , Busheng Wang , Samad Hajinazar , Eva Zurek , Sara Kadkhodaei

Identifying optimal synthesis conditions for metal-organic frameworks (MOFs) is a major challenge that can serve as a bottleneck for new materials discovery and development. Trial-and-error approach that relies on a chemist's intuition and…

材料科学 · 物理学 2021-09-01 Hyunsoo Park , Yeonghun Kang , Wonyoung Choe , Jihan Kim

In cross-domain retrieval, a model is required to identify images from the same semantic category across two visual domains. For instance, given a sketch of an object, a model needs to retrieve a real image of it from an online store's…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Samarth Mishra , Carlos D. Castillo , Hongcheng Wang , Kate Saenko , Venkatesh Saligrama

Positive-Unlabeled (PU) Learning is a challenge presented by binary classification problems where there is an abundance of unlabeled data along with a small number of positive data instances, which can be used to address chronic disease…

机器学习 · 计算机科学 2023-09-08 Yang Wu , Xurui Li , Xuhong Zhang , Yangyang Kang , Changlong Sun , Xiaozhong Liu

We propose a semi-supervised text classifier based on self-training using one positive and one negative property of neural networks. One of the weaknesses of self-training is the semantic drift problem, where noisy pseudo-labels accumulate…

计算与语言 · 计算机科学 2024-01-02 Payam Karisani
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