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Masked image modeling (MIM) has become a popular strategy for self-supervised learning~(SSL) of visual representations with Vision Transformers. A representative MIM model, the masked auto-encoder (MAE), randomly masks a subset of image…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Youngwan Lee , Jeffrey Willette , Jonghee Kim , Juho Lee , Sung Ju Hwang

Micro-expression recognition (MER) draws intensive research interest as micro-expressions (MEs) can infer genuine emotions. Prior information can guide the model to learn discriminative ME features effectively. However, most works focus on…

计算机视觉与模式识别 · 计算机科学 2023-03-06 Jinsheng Wei , Haoyu Chen , Guanming Lu , Jingjie Yan , Yue Xie , Guoying Zhao

Magnetic resonance imaging (MRI) is indispensable for diagnosing and planning treatment in various medical conditions due to its ability to produce multi-series images that reveal different tissue characteristics. However, integrating these…

图像与视频处理 · 电气工程与系统科学 2024-12-11 Churan Wang , Fei Gao , Lijun Yan , Siwen Wang , Yizhou Yu , Yizhou Wang

The aim of the inverse chemical design is to develop new molecules with given optimized molecular properties or objectives. Recently, generative deep learning (DL) networks are considered as the state-of-the-art in inverse chemical design…

机器学习 · 计算机科学 2019-10-10 Haoran Wei , Mariefel Olarte , Garrett B. Goh

Improving sample efficiency is a key research problem in reinforcement learning (RL), and CURL, which uses contrastive learning to extract high-level features from raw pixels of individual video frames, is an efficient…

机器学习 · 计算机科学 2020-10-16 Jinhua Zhu , Yingce Xia , Lijun Wu , Jiajun Deng , Wengang Zhou , Tao Qin , Houqiang Li

Contrastive self-supervised learning (CSL) based on instance discrimination typically attracts positive samples while repelling negatives to learn representations with pre-defined binary self-supervision. However, vanilla CSL is inadequate…

计算机视觉与模式识别 · 计算机科学 2022-11-04 Yifei Zhang , Chang Liu , Yu Zhou , Weiping Wang , Qixiang Ye , Xiangyang Ji

Representation learning has been widely studied in the context of meta-learning, enabling rapid learning of new tasks through shared representations. Recent works such as MAML have explored using fine-tuning-based metrics, which measure the…

机器学习 · 计算机科学 2021-05-06 Kurtland Chua , Qi Lei , Jason D. Lee

Referring Expression Comprehension (REC) aims to localize an image region of a given object described by a natural-language expression. While promising performance has been demonstrated, existing REC algorithms make a strong assumption that…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Heng Tao Shen , Cheng Chen , Peng Wang , Lianli Gao , Meng Wang , Jingkuan Song

Molecule-text modeling, which aims to facilitate molecule-relevant tasks with a textual interface and textual knowledge, is an emerging research direction. Beyond single molecules, studying reaction-text modeling holds promise for helping…

定量方法 · 定量生物学 2024-05-24 Zhiyuan Liu , Yaorui Shi , An Zhang , Sihang Li , Enzhi Zhang , Xiang Wang , Kenji Kawaguchi , Tat-Seng Chua

We present MaCLR, a novel method to explicitly perform cross-modal self-supervised video representations learning from visual and motion modalities. Compared to previous video representation learning methods that mostly focus on learning…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Fanyi Xiao , Joseph Tighe , Davide Modolo

Capturing molecular knowledge with representation learning approaches holds significant potential in vast scientific fields such as chemistry and life science. An effective and generalizable molecular representation is expected to capture…

机器学习 · 计算机科学 2024-06-17 Yizhen Luo , Kai Yang , Massimo Hong , Xing Yi Liu , Zikun Nie , Hao Zhou , Zaiqing Nie

Automated computational analysis of the vast chemical space is critical for numerous fields of research such as drug discovery and material science. Representation learning techniques have recently been employed with the primary objective…

定量方法 · 定量生物学 2023-05-26 Atakan Yüksel , Erva Ulusoy , Atabey Ünlü , Tunca Doğan

Self-assembly of dilute sequence-defined macromolecules is a complex phenomenon in which the local arrangement of chemical moieties can lead to the formation of long-range structure. The dependence of this structure on the sequence…

软凝聚态物质 · 物理学 2022-06-08 Debjyoti Bhattacharya , Devon C. Kleeblatt , Antonia Statt , Wesley F. Reinhart

Reinforcement learning (RL) has garnered increasing attention in text-to-image (T2I) generation. However, most existing RL approaches are tailored to either diffusion models or autoregressive models, overlooking an important alternative:…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Yifu Luo , Xinhao Hu , Keyu Fan , Haoyuan Sun , Zeyu Chen , Bo Xia , Tiantian Zhang , Yongzhe Chang , Xueqian Wang

Unsupervised domain adaptation (UDA) for semantic segmentation seeks to transfer models from a labeled source domain to an unlabeled target domain. While auxiliary self-supervised tasks such as contrastive learning have enhanced feature…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Wenlve Zhou , Zhiheng Zhou , Tiantao Xian , Yikui Zhai , Weibin Wu , Biyun Ma

We propose a masked self-supervised learning framework, called BRepMAE, for automatically extracting a valuable representation of the input computer-aided design (CAD) model to recognize its machining features. Representation learning is…

图形学 · 计算机科学 2026-02-27 Can Yao , Kang Wu , Zuheng Zheng , Siyuan Xing , Xiao-Ming Fu

Relational understanding is critical for a number of visually-rich documents (VRDs) understanding tasks. Through multi-modal pre-training, recent studies provide comprehensive contextual representations and exploit them as prior knowledge…

计算与语言 · 计算机科学 2022-05-06 Xin Li , Yan Zheng , Yiqing Hu , Haoyu Cao , Yunfei Wu , Deqiang Jiang , Yinsong Liu , Bo Ren

Preserving maximal information is one of principles of designing self-supervised learning methodologies. To reach this goal, contrastive learning adopts an implicit way which is contrasting image pairs. However, we believe it is not fully…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Hong-Yu Zhou , Chixiang Lu , Sibei Yang , Xiaoguang Han , Yizhou Yu

Accurate molecular property prediction is a critical challenge with wide-ranging applications in chemistry, materials science, and drug discovery. Molecular representation methods, including fingerprints and graph neural networks (GNNs),…

机器学习 · 计算机科学 2025-08-13 Jiaxin Ju , Yizhen Zheng , Huan Yee Koh , Can Wang , Shirui Pan

We discover a robust self-supervised strategy tailored towards molecular representations for generative masked language models through a series of tailored, in-depth ablations. Using this pre-training strategy, we train BARTSmiles, a…