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Integration of heterogeneous and high-dimensional multi-omics data is becoming increasingly important in understanding genetic data. Each omics technique only provides a limited view of the underlying biological process and integrating…

机器学习 · 计算机科学 2023-04-13 Chen Zhao , Anqi Liu , Xiao Zhang , Xuewei Cao , Zhengming Ding , Qiuying Sha , Hui Shen , Hong-Wen Deng , Weihua Zhou

Multi-task learning (MTL) is a learning paradigm that enables the simultaneous training of multiple communicating algorithms. Although MTL has been successfully applied to ether regression or classification tasks alone, incorporating mixed…

Although binary classification is a well-studied problem in computer vision, training reliable classifiers under severe class imbalance remains a challenging problem. Recent work has proposed techniques that mitigate the effects of training…

机器学习 · 计算机科学 2024-06-06 Kelsey Lieberman , Shuai Yuan , Swarna Kamlam Ravindran , Carlo Tomasi

With the rapid expansion of edge devices, such as IoT devices, where crucial data needed for machine learning applications is generated, it becomes essential to promote their participation in privacy-preserving Federated Learning (FL)…

机器学习 · 计算机科学 2025-01-03 Hongrui Shi , Valentin Radu , Po Yang

Recently the deep learning techniques have achieved success in multi-label classification due to its automatic representation learning ability and the end-to-end learning framework. Existing deep neural networks in multi-label…

机器学习 · 计算机科学 2018-02-06 Huihui He , Rui Xia

Deep learning has achieved remarkable success in bearing fault diagnosis. However, its performance oftentimes deteriorates when dealing with highly imbalanced or long-tailed data, while such cases are prevalent in industrial settings…

信号处理 · 电气工程与系统科学 2023-09-22 Wei-En Yu , Jinwei Sun , Shiping Zhang , Xiaoge Zhang , Jing-Xiao Liao

The cross-entropy (CE) method is simple and versatile technique for optimization, based on Kullback-Leibler (or cross-entropy) minimization. The method can be applied to a wide range of optimization tasks, including continuous, discrete,…

统计计算 · 统计学 2015-03-09 Tim Benham , Qibin Duan , Dirk P. Kroese , Benoit Liquet

Reinforcement learning (RL) is a promising approach for robotic navigation, allowing robots to learn through trial and error. However, real-world robotic tasks often suffer from sparse rewards, leading to inefficient exploration and…

We introduce Three Towers (3T), a flexible method to improve the contrastive learning of vision-language models by incorporating pretrained image classifiers. While contrastive models are usually trained from scratch, LiT (Zhai et al.,…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Jannik Kossen , Mark Collier , Basil Mustafa , Xiao Wang , Xiaohua Zhai , Lucas Beyer , Andreas Steiner , Jesse Berent , Rodolphe Jenatton , Efi Kokiopoulou

Deep long-tailed learning, one of the most challenging problems in visual recognition, aims to train well-performing deep models from a large number of images that follow a long-tailed class distribution. In the last decade, deep learning…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Yifan Zhang , Bingyi Kang , Bryan Hooi , Shuicheng Yan , Jiashi Feng

Real-world datasets commonly exhibit noisy labels and class imbalance, such as long-tailed distributions. While previous research addresses this issue by differentiating noisy and clean samples, reliance on information from predictions…

机器学习 · 计算机科学 2024-03-06 Ying-Hsuan Wu , Jun-Wei Hsieh , Li Xin , Shin-You Teng , Yi-Kuan Hsieh , Ming-Ching Chang

Contrastive learning has demonstrated promising performance in image and text domains either in a self-supervised or a supervised manner. In this work, we extend the supervised contrastive learning framework to clinical risk prediction…

机器学习 · 计算机科学 2021-10-12 Chengxi Zang , Fei Wang

Multispectral point cloud (MPC) captures 3D spatial-spectral information from the observed scene, which can be used for scene understanding and has a wide range of applications. However, most of the existing classification methods were…

计算机视觉与模式识别 · 计算机科学 2025-07-24 TianZhu Liu , BangYan Hu , YanFeng Gu , Xian Li , Aleksandra Pižurica

Scalability is a major challenge in modern recommender systems. In sequential recommendations, full Cross-Entropy (CE) loss achieves state-of-the-art recommendation quality but consumes excessive GPU memory with large item catalogs,…

信息检索 · 计算机科学 2024-08-15 Danil Gusak , Gleb Mezentsev , Ivan Oseledets , Evgeny Frolov

The recent breakthrough achieved by contrastive learning accelerates the pace for deploying unsupervised training on real-world data applications. However, unlabeled data in reality is commonly imbalanced and shows a long-tail distribution,…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Ziyu Jiang , Tianlong Chen , Bobak Mortazavi , Zhangyang Wang

Balancing performance trade-off on long-tail (LT) data distributions remains a long-standing challenge. In this paper, we posit that this dilemma stems from a phenomenon called "tail performance degradation" (the model tends to severely…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Shenghan Chen , Yiming Liu , Yanzhen Wang , Yujia Wang , Xiankai Lu

Multimodal learning aims to capture both shared and private information from multiple modalities. However, existing methods that project all modalities into a single latent space for fusion often overlook the asynchronous, multi-level…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Chunlei Meng , Guanhong Huang , Rong Fu , Runmin Jian , Zhongxue Gan , Chun Ouyang

The calibration for deep neural networks is currently receiving widespread attention and research. Miscalibration usually leads to overconfidence of the model. While, under the condition of long-tailed distribution of data, the problem of…

机器学习 · 计算机科学 2023-08-17 Jialin Guo , Zhenyu Wu , Zhiqiang Zhan , Yang Ji

Contrastive learning with Transformer-based sequence encoder has gained predominance for sequential recommendation. It maximizes the agreements between paired sequence augmentations that share similar semantics. However, existing…

信息检索 · 计算机科学 2022-08-18 Hanwen Du , Hui Shi , Pengpeng Zhao , Deqing Wang , Victor S. Sheng , Yanchi Liu , Guanfeng Liu , Lei Zhao

Recently, substantial research efforts in Deep Metric Learning (DML) focused on designing complex pairwise-distance losses, which require convoluted schemes to ease optimization, such as sample mining or pair weighting. The standard…