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Vision Transformers (ViTs) have revolutionized computer vision, yet their self-attention mechanism lacks explicit spatial inductive biases, leading to suboptimal performance on spatially-structured tasks. Existing approaches introduce…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Yuxin Mao , Zhen Qin , Jinxing Zhou , Bin Fan , Jing Zhang , Yiran Zhong , Yuchao Dai

Vision Transformers (ViTs) have achieved impressive results in computer vision by leveraging self-attention to model long-range dependencies. However, their emphasis on global context often comes at the expense of local feature extraction…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Puskal Khadka , Rodrigue Rizk , Longwei Wang , KC Santosh

In this work, we conduct a systematic analysis of Native Sparse Attention (NSA) and propose targeted improvements that enhance long-context modeling. A key insight is that alternating between local (sliding-window) and global (compression,…

计算与语言 · 计算机科学 2025-11-04 Yuxuan Hu , Jianchao Tan , Jiaqi Zhang , Wen Zan , Pingwei Sun , Yifan Lu , Yerui Sun , Yuchen Xie , Xunliang Cai , Jing Zhang

Transformer-based language models (LMs) are inefficient in long contexts. We propose Dodo, a solution for context compression. Instead of one vector per token in a standard transformer model, Dodo represents text with a dynamic number of…

计算与语言 · 计算机科学 2024-12-10 Guanghui Qin , Corby Rosset , Ethan C. Chau , Nikhil Rao , Benjamin Van Durme

Using deep learning models to recognize functional brain networks (FBNs) in functional magnetic resonance imaging (fMRI) has been attracting increasing interest recently. However, most existing work focuses on detecting static FBNs from…

计算机视觉与模式识别 · 计算机科学 2022-06-01 Yiheng Liu , Enjie Ge , Mengshen He , Zhengliang Liu , Shijie Zhao , Xintao Hu , Dajiang Zhu , Tianming Liu , Bao Ge

Real-time visual feedback is essential for tetherless control of remotely operated vehicles, particularly during inspection and manipulation tasks. Though acoustic communication is the preferred choice for medium-range communication…

图像与视频处理 · 电气工程与系统科学 2026-03-11 Luyuan Peng , Mandar Chitre , Hari Vishnu , Yuen Min Too , Bharath Kalyan , Rajat Mishra , Soo Pieng Tan

Document shadow is a common issue that arises when capturing documents using mobile devices, which significantly impacts readability. Current methods encounter various challenges, including inaccurate detection of shadow masks and…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Weiwen Chen , Yingtie Lei , Shenghong Luo , Ziyang Zhou , Mingxian Li , Chi-Man Pun

Deep learning, especially convolutional neural networks (CNNs) and Transformer architectures, have become the focus of extensive research in medical image segmentation, achieving impressive results. However, CNNs come with inductive biases…

图像与视频处理 · 电气工程与系统科学 2024-09-20 Xiao Liu , Peng Gao , Tao Yu , Fei Wang , Ru-Yue Yuan

The study of astronomical phenomena through ground-based observations is always challenged by the distorting effects of Earth's atmosphere. Traditional methods of post-facto image correction, essential for correcting these distortions,…

天体物理仪器与方法 · 物理学 2024-08-14 A. Asensio Ramos

Vision Transformer and its variants have demonstrated great potential in various computer vision tasks. But conventional vision transformers often focus on global dependency at a coarse level, which suffer from a learning challenge on…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Yunhao Wang , Huixin Sun , Xiaodi Wang , Bin Zhang , Chao Li , Ying Xin , Baochang Zhang , Errui Ding , Shumin Han

Drone-to-drone detection using visual feed has crucial applications, such as detecting drone collisions, detecting drone attacks, or coordinating flight with other drones. However, existing methods are computationally costly, follow…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Tushar Sangam , Ishan Rajendrakumar Dave , Waqas Sultani , Mubarak Shah

Transformer models have recently garnered significant attention in image restoration due to their ability to capture long-range pixel dependencies. However, long-range attention often results in computational overhead without practical…

计算机视觉与模式识别 · 计算机科学 2025-04-24 Qifan Li , Tianyi Liang , Xingtao Wang , Xiaopeng Fan

Data from satellites or aerial vehicles are most of the times unlabelled. Annotating such data accurately is difficult, requires expertise, and is costly in terms of time. Even if Earth Observation (EO) data were correctly labelled, labels…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Nikolaos Dionelis , Francesco Pro , Luca Maiano , Irene Amerini , Bertrand Le Saux

Spatially and temporally highly resolved depth information enables numerous applications including human-machine interaction in gaming or safety functions in the automotive industry. In this paper, we address this issue using Time-of-flight…

Direction-of-Arrival (DOA) estimation in sensor arrays faces limitations under demanding conditions, including low signal-to-noise ratio, single-snapshot scenarios, coherent sources, and unknown source counts. Conventional beamforming…

信号处理 · 电气工程与系统科学 2025-10-14 Xuyao Deng , Yong Dou , Kele Xu

Salient Object Detection (SOD) plays a crucial role in many computer vision applications, requiring accurate localization and precise boundary delineation of salient regions. In this work, we present a novel framework that integrates…

机器学习 · 计算机科学 2025-09-30 Abhinav Sagar

Autonomous navigation in marine environments can be extremely challenging, especially in the presence of spatially varying flow disturbances and dynamic and static obstacles. In this work, we demonstrate that incorporating local flow field…

机器人学 · 计算机科学 2025-07-11 Ehsan Kazemi , Dechen Gao , Iman Soltani

In this paper, we present Uformer, an effective and efficient Transformer-based architecture for image restoration, in which we build a hierarchical encoder-decoder network using the Transformer block. In Uformer, there are two core…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Zhendong Wang , Xiaodong Cun , Jianmin Bao , Wengang Zhou , Jianzhuang Liu , Houqiang Li

This article presents a novel framework for real-time Light Detection and Ranging (LiDAR) data transmission that leverages rate-adaptive technologies and point cloud encoding methods to ensure low-latency, and low-loss data streaming. The…

We introduce the concept of a Background-subtracted Solar Activity Map (BaSAM) as a new quantitative tool to assess and visualize the temporal variation of the photospheric magnetic field and the UV 160 nm intensity. The method utilizes…

太阳与恒星天体物理 · 物理学 2019-06-19 Carsten Denker , Meetu Verma