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Due to the non-stationarity of time series, the distribution shift problem largely hinders the performance of time series forecasting. Existing solutions either rely on using certain statistics to specify the shift, or developing specific…

机器学习 · 计算机科学 2025-02-10 Wei Fan , Shun Zheng , Pengyang Wang , Rui Xie , Kun Yi , Qi Zhang , Jiang Bian , Yanjie Fu

Flow-based generative models are composed of invertible transformations between two random variables of the same dimension. Therefore, flow-based models cannot be adequately trained if the dimension of the data distribution does not match…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Hyeongju Kim , Hyeonseung Lee , Woo Hyun Kang , Joun Yeop Lee , Nam Soo Kim

Normalising flows are generative models that transform a complex density into a simpler density through the use of bijective transformations enabling both density estimation and data generation from a single model. %However, the requirement…

机器学习 · 统计学 2024-06-28 Eshant English , Matthias Kirchler , Christoph Lippert

Remote sensing change detection (RSCD) aims to localise changes between two images of the same geographic region. In practice, change masks often follow region-level annotation conventions rather than purely local appearance differences,…

计算机视觉与模式识别 · 计算机科学 2026-05-18 Blaž Rolih , Matic Fučka , Filip Wolf , Luka Čehovin Zajc

Previous dominant methods for scene flow estimation focus mainly on input from two consecutive frames, neglecting valuable information in the temporal domain. While recent trends shift towards multi-frame reasoning, they suffer from rapidly…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Qingwen Zhang , Xiaomeng Zhu , Yushan Zhang , Yixi Cai , Olov Andersson , Patric Jensfelt

Among these, D-peptides are resistant to proteolysis, exhibit greater in vivo stability, and are easier to synthesize. Despite advances in deep learning for peptide discovery, the scarcity of natural D-protein data limits the transfer of…

计算工程、金融与科学 · 计算机科学 2026-05-04 Fang Wu , Shuting Jin , Xiangru Tang , Junlin Xu , Mark Gerstein , James Zou

Achieving 3D understanding of non-Lambertian objects is an important task with many useful applications, but most existing algorithms struggle to deal with such objects. One major obstacle towards progress in this field is the lack of…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Hongyu Wen , Erich Liang , Jia Deng

Ultra-high-definition (UHD) image deblurring poses significant challenges for UHD restoration methods, which must balance fine-grained detail recovery and practical inference efficiency. Although prominent discriminative and generative…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Yucheng Xin , Dawei Zhao , Xiang Chen , Chen Wu , Pu Wang , Dianjie Lu , Guijuan Zhang , Xiuyi Jia , Zhuoran Zheng

Transparent objects are ubiquitous in daily life, making their perception and robotics manipulation important. However, they present a major challenge due to their distinct refractive and reflective properties when it comes to accurately…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Hrishikesh Gupta , Stefan Thalhammer , Jean-Baptiste Weibel , Alexander Haberl , Markus Vincze

Flow-based generative models are powerful exact likelihood models with efficient sampling and inference. Despite their computational efficiency, flow-based models generally have much worse density modeling performance compared to…

机器学习 · 计算机科学 2019-05-17 Jonathan Ho , Xi Chen , Aravind Srinivas , Yan Duan , Pieter Abbeel

Instance-level contrastive learning techniques, which rely on data augmentation and a contrastive loss function, have found great success in the domain of visual representation learning. They are not suitable for exploiting the rich…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Martine Toering , Ioannis Gatopoulos , Maarten Stol , Vincent Tao Hu

We introduce a (de)-regularization of the Maximum Mean Discrepancy (DrMMD) and its Wasserstein gradient flow. Existing gradient flows that transport samples from source distribution to target distribution with only target samples, either…

Diffeomorphisms play a crucial role while searching for shapes with fixed topological properties, allowing for smooth deformation of template shapes. Several approaches use diffeomorphism for shape search. However, these approaches employ…

图形学 · 计算机科学 2025-07-23 Aalok Gangopadhyay , Dwip Dalal , Progyan Das , Shanmuganathan Raman

Video deblurring remains a challenging task due to various causes of blurring. Traditional methods have considered how to utilize neighboring frames by the single-scale alignment for restoration. However, they typically suffer from…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Leitian Tao , Zhenzhong Chen

Chip placement plays an important role in physical design. While generative models like diffusion models offer promising learning-based solutions, current methods have the following limitations: they use random synthetic data for…

硬件体系结构 · 计算机科学 2026-04-28 Peng Xie , Ke Xue , Yunqi Shi , Ruo-Tong Chen , Chengrui Gao , Siyuan Xu , Chenjian Ding , Mingxuan Yuan , Chao Qian

Deep learning classifiers are susceptible to well-crafted, imperceptible variations of their inputs, known as adversarial attacks. In this regard, the study of powerful attack models sheds light on the sources of vulnerability in these…

机器学习 · 计算机科学 2020-10-26 Hadi M. Dolatabadi , Sarah Erfani , Christopher Leckie

Video anomaly detection is an ill-posed problem because it relies on many parameters such as appearance, pose, camera angle, background, and more. We distill the problem to anomaly detection of human pose, thus decreasing the risk of…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Or Hirschorn , Shai Avidan

Neural face avatars that are trained from multi-view data captured in camera domes can produce photo-realistic 3D reconstructions. However, at inference time, they must be driven by limited inputs such as partial views recorded by…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Emre Aksan , Shugao Ma , Akin Caliskan , Stanislav Pidhorskyi , Alexander Richard , Shih-En Wei , Jason Saragih , Otmar Hilliges

Video interpolation aims to generate a non-existent intermediate frame given the past and future frames. Many state-of-the-art methods achieve promising results by estimating the optical flow between the known frames and then generating the…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Zhiqi Chen , Ran Wang , Haojie Liu , Yao Wang

Unsupervised anomaly detection with localization has many practical applications when labeling is infeasible and, moreover, when anomaly examples are completely missing in the train data. While recently proposed models for such data setup…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Denis Gudovskiy , Shun Ishizaka , Kazuki Kozuka