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Deep learning is widely applied in computer-aided pathological diagnosis, which alleviates the pathologist workload and provide timely clinical analysis. However, most models generally require large-scale annotated data for training, which…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Zeyu Liu , Tianyi Zhang , Yufang He , Yunlu Feng , Yu Zhao , Guanglei Zhang

Point cloud scene flow estimation is of practical importance for dynamic scene navigation in autonomous driving. Since scene flow labels are hard to obtain, current methods train their models on synthetic data and transfer them to real…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Zhao Jin , Yinjie Lei , Naveed Akhtar , Haifeng Li , Munawar Hayat

End-to-end vision-based imitation learning has demonstrated promising results in autonomous driving by learning control commands directly from expert demonstrations. However, traditional approaches rely on either regressionbased models,…

Robotics · Computer Science 2025-03-04 Elahe Delavari , Aws Khalil , Jaerock Kwon

Concept drift detection has attracted considerable attention due to its importance in many real-world applications such as health monitoring and fault diagnosis. Conventionally, most advanced approaches will be of poor performance when the…

Machine Learning · Computer Science 2023-03-31 Songqiao Hu , Zeyi Liu , Xiao He

Classifier-Free Guidance (CFG) is a widely adopted technique in diffusion/flow models to improve image fidelity and controllability. In this work, we first analytically study the effect of CFG on flow matching models trained on Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Weichen Fan , Amber Yijia Zheng , Raymond A. Yeh , Ziwei Liu

Recommendation systems often rely on implicit feedback, where only positive user-item interactions can be observed. Negative sampling is therefore crucial to provide proper negative training signals. However, existing methods tend to…

Information Retrieval · Computer Science 2026-01-06 Na Li , Fanghui Sun , Yan Zou , Yangfu Zhu , Xiatian Zhu , Ying Ma

The design of diffusion-based audio generation systems has been investigated from diverse perspectives, such as data space, network architecture, and conditioning techniques, while most of these innovations require model re-training. In…

Sound · Computer Science 2026-04-10 Junyou Wang , Zehua Chen , Binjie Yuan , Kaiwen Zheng , Chang Li , Yuxuan Jiang , Jun Zhu

We present Generative Anchored Fields (GAF), a generative model that learns independent endpoint predictors, $J$ (noise) and $K$ (data), from any point on a linear bridge. Unlike existing approaches that use a single trajectory or score…

Machine Learning · Computer Science 2026-02-17 Deressa Wodajo Deressa , Hannes Mareen , Peter Lambert , Glenn Van Wallendael

Inference-time steering enables pretrained diffusion/flow models to be adapted to new tasks without retraining. A widely used approach is the ratio-of-densities method, which defines a time-indexed target path by reweighting…

Artificial Intelligence · Computer Science 2025-12-12 Ziseok Lee , Minyeong Hwang , Sanghyun Jo , Wooyeol Lee , Jihyung Ko , Young Bin Park , Jae-Mun Choi , Eunho Yang , Kyungsu Kim

Vehicle-to-vehicle communications can be unreliable as interference causes communication failures. Thereby, the information flow topology for a platoon of Connected Autonomous Vehicles (CAVs) can vary dynamically. This limits existing…

Systems and Control · Computer Science 2018-08-08 Siyuan Gong , Anye Zhou , Jian Wang , Tao Li , Srinivas Peeta

Coarse-guided visual generation, which synthesizes fine visual samples from degraded or low-fidelity coarse references, is essential for various real-world applications. While training-based approaches are effective, they are inherently…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Yanghao Wang , Ziqi Jiang , Zhen Wang , Long Chen

Diffusion-based editing models have emerged as a powerful tool for semantic image and video manipulation. However, existing models lack a mechanism for smoothly controlling the intensity of text-guided edits. In standard text-conditioned…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Alon Wolf , Chen Katzir , Kfir Aberman , Or Patashnik

Generative posterior sampling using diffusion models has emerged as a dominant paradigm for solving inverse problems in imaging, which usually consists of three main components: data consistency (DC) guidance, classifier-free guidance (CFG)…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Junseo Bang , Dong Ju Mun , Hoigi Seo , Seongmin Hong , Se Young Chun

Auto-bidding is widely used in advertising systems, serving a diverse range of advertisers. Generative bidding is increasingly gaining traction due to its strong planning capabilities and generalizability. Unlike traditional reinforcement…

Machine Learning · Computer Science 2025-08-26 Yunshan Peng , Wenzheng Shu , Jiahao Sun , Yanxiang Zeng , Jinan Pang , Wentao Bai , Yunke Bai , Xialong Liu , Peng Jiang

Flow-based generative models have become a strong framework for high-quality generative modeling, yet pretrained models are rarely used in their vanilla conditional form: conditional samples without guidance often appear diffuse and lack…

Machine Learning · Computer Science 2026-02-25 Runlong Liao , Jian Yu , Baiyu Su , Chi Zhang , Lizhang Chen , Qiang Liu

While diffusion-based models have shown remarkable generative capabilities in static settings, their extension to continual learning (CL) scenarios remains fundamentally constrained by Generative Catastrophic Forgetting (GCF). We observe…

Machine Learning · Computer Science 2025-08-25 Jingren Liu , Shuning Xu , Yun Wang , Zhong Ji , Xiangyu Chen

Class-incremental fault diagnosis requires a model to adapt to new fault classes while retaining previous knowledge. However, limited research exists for imbalanced and long-tailed data. Extracting discriminative features from few-shot…

Machine Learning · Computer Science 2025-01-22 Hanrong Zhang , Yifei Yao , Zixuan Wang , Jiayuan Su , Mengxuan Li , Peng Peng , Hongwei Wang

Classifier-guided diffusion models have emerged as a powerful approach for conditional image generation, but they suffer from overconfident predictions during early denoising steps, causing the guidance gradient to vanish. This paper…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Seyed Alireza Javid , Amirhossein Bagheri , Nuria González-Prelcic

General Circulation Models (GCMs) are widely used for future climate projections, but their coarse spatial resolution and systematic biases limit their direct use for impact studies. This limitation is particularly critical for wind-related…

We study the problem of generating graph signals from unknown distributions defined over given graphs, relevant to domains such as recommender systems or sensor networks. Our approach builds on generative diffusion models, which are well…

Machine Learning · Computer Science 2025-10-07 Sergio Rozada , Vimal K. B. , Andrea Cavallo , Antonio G. Marques , Hadi Jamali-Rad , Elvin Isufi
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