中文
相关论文

相关论文: SigFormer: Sparse Signal-Guided Transformer for Mu…

200 篇论文

Accurate medical time series (MedTS) classification is essential for effective clinical diagnosis, yet remains challenging due to complex multi-channel temporal dependencies, information redundancy, and label scarcity. While…

机器学习 · 计算机科学 2025-08-19 Jiexia Ye , Weiqi Zhang , Ziyue Li , Jia Li , Fugee Tsung

The task of radio map estimation aims to generate a dense representation of electromagnetic spectrum quantities, such as the received signal strength at each grid point within a geographic region, based on measurements from a subset of…

计算机视觉与模式识别 · 计算机科学 2025-04-30 Zheng Fang , Kangjun Liu , Ke Chen , Qingyu Liu , Jianguo Zhang , Lingyang Song , Yaowei Wang

Embodied intelligence relies on accurately segmenting objects actively involved in interactions. Action-based video object segmentation addresses this by linking segmentation with action semantics, but it depends on large-scale annotations…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Wenxin Li , Kunyu Peng , Di Wen , Ruiping Liu , Mengfei Duan , Kai Luo , Kailun Yang

In recommender systems, most graph-based methods focus on positive user feedback, while overlooking the valuable negative feedback. Integrating both positive and negative feedback to form a signed graph can lead to a more comprehensive…

信息检索 · 计算机科学 2024-05-07 Sirui Chen , Jiawei Chen , Sheng Zhou , Bohao Wang , Shen Han , Chanfei Su , Yuqing Yuan , Can Wang

Robust and accurate segmentation of scenes has become one core functionality in various visual recognition and navigation tasks. This has inspired the recent development of Segment Anything Model (SAM), a foundation model for general mask…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Aoran Xiao , Weihao Xuan , Heli Qi , Yun Xing , Naoto Yokoya , Shijian Lu

Semantic location prediction aims to derive meaningful location insights from multimodal social media posts, offering a more contextual understanding of daily activities than using GPS coordinates. This task faces significant challenges due…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Zhizhen Zhang , Ning Wang , Haojie Li , Zhihui Wang

In this paper, we develop a novel mobility-aware transformer-driven tiered structure (MASSFormer) based cooperative spectrum sensing method that effectively models the spatio-temporal dynamics of user movements. Unlike existing methods, our…

信息论 · 计算机科学 2024-09-27 Dimpal Janu , Sandeep Mandia , Kuldeep Singh , Sandeep Kumar

Machine learning models have demonstrated remarkable efficacy and efficiency in a wide range of stock forecasting tasks. However, the inherent challenges of data scarcity, including low signal-to-noise ratio (SNR) and data homogeneity, pose…

统计金融 · 定量金融 2024-02-13 Yuan Gao , Haokun Chen , Xiang Wang , Zhicai Wang , Xue Wang , Jinyang Gao , Bolin Ding

We present ShapeFormer, a transformer-based network that produces a distribution of object completions, conditioned on incomplete, and possibly noisy, point clouds. The resultant distribution can then be sampled to generate likely…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Xingguang Yan , Liqiang Lin , Niloy J. Mitra , Dani Lischinski , Daniel Cohen-Or , Hui Huang

4D millimeter-wave radar has emerged as a promising sensing modality for autonomous driving due to its robustness and affordability. However, its sparse and weak geometric cues make reliable instance activation difficult, limiting the…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Xiaokai Bai , Lianqing Zheng , Si-Yuan Cao , Xiaohan Zhang , Zhe Wu , Beinan Yu , Fang Wang , Jie Bai , Hui-Liang Shen

Recent efforts have explored multimodal semantic segmentation using various backbone architectures. However, while most methods aim to improve accuracy, their computational efficiency remains underexplored. To address this, we propose…

计算机视觉与模式识别 · 计算机科学 2025-05-21 Zelin Zhang , Tao Zhang , KediLI , Xu Zheng

We propose a sparse-coding framework for activity recognition in ubiquitous and mobile computing that alleviates two fundamental problems of current supervised learning approaches. (i) It automatically derives a compact, sparse and…

机器学习 · 计算机科学 2014-07-24 Sourav Bhattacharya , Petteri Nurmi , Nils Hammerla , Thomas Plötz

Transformers have demonstrated remarkable performance in natural language processing and computer vision. However, existing vision Transformers struggle to learn from limited medical data and are unable to generalize on diverse medical…

图像与视频处理 · 电气工程与系统科学 2023-04-06 Yunhe Gao , Mu Zhou , Di Liu , Zhennan Yan , Shaoting Zhang , Dimitris N. Metaxas

Hyperspectral image classification (HSIC) has gained significant attention because of its potential in analyzing high-dimensional data with rich spectral and spatial information. In this work, we propose the Differential Spatial-Spectral…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Muhammad Ahmad , Manuel Mazzara , Salvatore Distefano , Adil Mehmood Khan , Silvia Liberata Ullo

Instance segmentation of ships in synthetic aperture radar (SAR) imagery is critical for applications such as maritime monitoring, environmental analysis, and national security. SAR ship images present challenges including scale variation,…

计算机视觉与模式识别 · 计算机科学 2025-06-16 F. Gao , Y Li , X He , J Sun , J Wang

Most existing methods realize 3D instance segmentation by extending those models used for 3D object detection or 3D semantic segmentation. However, these non-straightforward methods suffer from two drawbacks: 1) Imprecise bounding boxes or…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Jiahao Sun , Chunmei Qing , Junpeng Tan , Xiangmin Xu

Medical image segmentation remains challenging in low-data regimes, where scarce annotations often yield poor generalization and ambiguous boundaries with missing fine structures. Recent self-supervised pretraining has improved…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Zhiquan Chen , Haitao Wang , Guowei Zou , Hejun Wu

Transformers have proven superior performance for a wide variety of tasks since they were introduced. In recent years, they have drawn attention from the vision community in tasks such as image classification and object detection. Despite…

计算机视觉与模式识别 · 计算机科学 2022-10-03 Yihong Xu , Yutong Ban , Guillaume Delorme , Chuang Gan , Daniela Rus , Xavier Alameda-Pineda

Medical image segmentation is crucial for computer-aided diagnosis, yet privacy constraints hinder data sharing across institutions. Federated learning addresses this limitation, but existing approaches often rely on lightweight…

计算机视觉与模式识别 · 计算机科学 2025-09-22 Tong Wang , Xingyue Zhao , Linghao Zhuang , Haoyu Zhao , Jiayi Yin , Yuyang He , Gang Yu , Bo Lin

Current semantic segmentation models have achieved great success under the independent and identically distributed (i.i.d.) condition. However, in real-world applications, test data might come from a different domain than training data.…

计算机视觉与模式识别 · 计算机科学 2023-05-23 Jian Ding , Nan Xue , Gui-Song Xia , Bernt Schiele , Dengxin Dai