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We study the use of a time series encoder to learn representations that are useful on data set types with which it has not been trained on. The encoder is formed of a convolutional neural network whose temporal output is summarized by a…

Machine Learning · Computer Science 2018-05-11 Joan Serrà , Santiago Pascual , Alexandros Karatzoglou

Recent video inpainting methods have made remarkable progress by utilizing explicit guidance, such as optical flow, to propagate cross-frame pixels. However, there are cases where cross-frame recurrence of the masked video is not available,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Yongsheng Yu , Heng Fan , Libo Zhang

We consider the problem of translating, in an unsupervised manner, between two domains where one contains some additional information compared to the other. The proposed method disentangles the common and separate parts of these domains…

Computer Vision and Pattern Recognition · Computer Science 2020-01-14 Ron Mokady , Sagie Benaim , Lior Wolf , Amit Bermano

With the rapid progress of large language models (LLMs), reliably evaluating the capabilities of pre-trained LLMs has become increasingly important. The challenge is that base pre-trained models are optimized for next-token prediction and…

Computation and Language · Computer Science 2026-05-28 Shaobo Wang , Guo Chen , Ziyue Wang , Zhengyang Tang , Qingyang Liu , Xingzhang Ren , Dayiheng Liu , Linfeng Zhang

Finding effective representations for time series data is a useful but challenging task. Several works utilize self-supervised or unsupervised learning methods to address this. However, there still remains the open question of how to…

Machine Learning · Computer Science 2024-03-19 Yuansan Liu , Sudanthi Wijewickrema , Christofer Bester , Stephen O'Leary , James Bailey

Test-time domain adaptation aims to adapt the model trained on source domains to unseen target domains using a few unlabeled images. Emerging research has shown that the label and domain information is separately embedded in the weight…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Yanan Wu , Zhixiang Chi , Yang Wang , Konstantinos N. Plataniotis , Songhe Feng

In scene text detection, Transformer-based methods have addressed the global feature extraction limitations inherent in traditional convolution neural network-based methods. However, most directly rely on native Transformer attention layers…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Qiyan Zhao , Yue Yan , Da-Han Wang

The transmission matrix (TM) is a representation to describe the light scattering process through a scattering medium. The degree of control elements in TM is correlated with the capacity of evaluating enormous equations with tremendous…

Optics · Physics 2020-11-25 Shu Guo , Hao Zhang , Wenxue Li , Lin Pang

Change point detection (CPD) aims to locate abrupt property changes in time series data. Recent CPD methods demonstrated the potential of using deep learning techniques, but often lack the ability to identify more subtle changes in the…

Machine Learning · Computer Science 2021-07-21 Tim De Ryck , Maarten De Vos , Alexander Bertrand

Discrete diffusion models have recently shown great promise for modeling complex discrete data, with masked diffusion models (MDMs) offering a compelling trade-off between quality and generation speed. MDMs denoise by progressively…

Machine Learning · Computer Science 2026-04-15 Tianyu Xie , Shuchen Xue , Zijin Feng , Tianyang Hu , Jiacheng Sun , Zhenguo Li , Cheng Zhang

The task of blind source separation (BSS) involves separating sources from a mixture without prior knowledge of the sources or the mixing system. Single-channel mixtures and non-linear mixtures are a particularly challenging problem in BSS.…

Signal Processing · Electrical Eng. & Systems 2025-07-24 Matthew B. Webster , Joonnyong Lee

Real-world imagery is often characterized by a significant imbalance of the number of images per class, leading to long-tailed distributions. An effective and simple approach to long-tailed visual recognition is to learn feature…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Ahmet Iscen , André Araujo , Boqing Gong , Cordelia Schmid

Class imbalance, which is also called long-tailed distribution, is a common problem in classification tasks based on machine learning. If it happens, the minority data will be overwhelmed by the majority, which presents quite a challenge…

Machine Learning · Computer Science 2023-03-29 Jia-Chen Zhao

Materials data, especially those related to high-temperature properties, pose significant challenges for machine learning models due to extreme skewness, wide feature ranges, modality, and complex relationships. While traditional models…

Materials Science · Physics 2025-09-22 Vahid Attari , Raymundo Arroyave

Blind deconvolution (BD) has been demonstrated as an efficacious approach for extracting bearing fault-specific features from vibration signals under strong background noise. Despite BD's desirable feature in adaptability and mathematical…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Jing-Xiao Liao , Chao He , Jipu Li , Jinwei Sun , Shiping Zhang , Xiaoge Zhang

Learning with large-scale unlabeled data has become a powerful tool for pre-training Visual Transformers (VTs). However, prior works tend to overlook that, in real-world scenarios, the input data may be corrupted and unreliable.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Tianjiao Li , Lin Geng Foo , Ping Hu , Xindi Shang , Hossein Rahmani , Zehuan Yuan , Jun Liu

Unsupervised Time series anomaly detection plays a crucial role in applications across industries. However, existing methods face significant challenges due to data distributional shifts across different domains, which are exacerbated by…

Machine Learning · Computer Science 2025-05-02 Tian Lan , Yifei Gao , Yimeng Lu , Chen Zhang

Recent Video Large Language Models (Video-LLMs) have demonstrated strong capability in video understanding, yet they still suffer from hallucinations. Existing mitigation methods typically rely on training, input modification, auxiliary…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Zijian Liu , Sihan Cao , Pengcheng Zheng , Kuien Liu , Caiyan Qin , Xiaolin Qin , Jiwei Wei , Chaoning Zhang

Masked time series modeling has recently gained much attention as a self-supervised representation learning strategy for time series. Inspired by masked image modeling in computer vision, recent works first patchify and partially mask out…

Machine Learning · Computer Science 2024-05-03 Seunghan Lee , Taeyoung Park , Kibok Lee

Parallel decoding for diffusion LLMs (dLLMs) is difficult because each denoising step provides only token-wise marginal distributions, while unmasking multiple tokens simultaneously requires accounting for inter-token dependencies. We…

Machine Learning · Computer Science 2026-03-16 Bumjun Kim , Dongjae Jeon , Moongyu Jeon , Albert No