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相关论文: Progressive Sparse Local Attention for Video objec…

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Multi-scale features have been proven highly effective for object detection but often come with huge and even prohibitive extra computation costs, especially for the recent Transformer-based detectors. In this paper, we propose Iterative…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Gongjie Zhang , Zhipeng Luo , Zichen Tian , Jingyi Zhang , Xiaoqin Zhang , Shijian Lu

Video deblurring relies on leveraging information from other frames in the video sequence to restore the blurred regions in the current frame. Mainstream approaches employ bidirectional feature propagation, spatio-temporal transformers, or…

计算机视觉与模式识别 · 计算机科学 2024-06-12 Huicong Zhang , Haozhe Xie , Hongxun Yao

The estimation of implicit cross-frame correspondences and the high computational cost have long been major challenges in video semantic segmentation (VSS) for driving scenes. Prior works utilize keyframes, feature propagation, or…

计算机视觉与模式识别 · 计算机科学 2024-04-29 Diandian Guo , Deng-Ping Fan , Tongyu Lu , Christos Sakaridis , Luc Van Gool

Face image animation from a single image has achieved remarkable progress. However, it remains challenging when only sparse landmarks are available as the driving signal. Given a source face image and a sequence of sparse face landmarks,…

计算机视觉与模式识别 · 计算机科学 2021-09-06 Ruiqi Zhao , Tianyi Wu , Guodong Guo

Scene flow prediction is a crucial underlying task in understanding dynamic scenes as it offers fundamental motion information. However, contemporary scene flow methods encounter three major challenges. Firstly, flow estimation solely based…

计算机视觉与模式识别 · 计算机科学 2024-11-15 Zhiyang Lu , Qinghan Chen , Ming Cheng

Salient object detection, which aims to identify and locate the most salient pixels or regions in images, has been attracting more and more interest due to its various real-world applications. However, this vision task is quite challenging,…

计算机视觉与模式识别 · 计算机科学 2018-04-18 Pingping Zhang , Wei Liu , Huchuan Lu , Chunhua Shen

Block-wise sparse attention offers significant efficiency gains for long-context modeling, yet existing methods often suffer from low selection fidelity and cumulative contextual loss by completely discarding unselected blocks. To address…

计算与语言 · 计算机科学 2026-02-02 Bailin Wang , Dan Friedman , Tao Lei , Chong Wang

We propose ProTracker, a novel framework for accurate and robust long-term dense tracking of arbitrary points in videos. Previous methods relying on global cost volumes effectively handle large occlusions and scene changes but lack…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Tingyang Zhang , Chen Wang , Zhiyang Dou , Qingzhe Gao , Jiahui Lei , Baoquan Chen , Lingjie Liu

Learning from limited data is challenging because data scarcity leads to a poor generalization of the trained model. A classical global pooled representation will probably lose useful local information. Many few-shot learning methods have…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Haoxing Chen , Huaxiong Li , Yaohui Li , Chunlin Chen

Optical microscopy is an essential tool in biology and medicine. Imaging thin, yet non-flat objects in a single shot (without relying on more sophisticated sectioning setups) remains challenging as the shallow depth of field that comes with…

图像与视频处理 · 电气工程与系统科学 2020-10-14 Adrian Shajkofci , Michael Liebling

Monitoring animal populations is crucial for assessing the health of ecosystems. Traditional methods, which require extensive fieldwork, are increasingly being supplemented by time-lapse camera-trap imagery combined with an automatic…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Marcus Jenkins , Kirsty A. Franklin , Malcolm A. C. Nicoll , Nik C. Cole , Kevin Ruhomaun , Vikash Tatayah , Michal Mackiewicz

Federated learning (FL) scenarios inherently generate a large communication overhead by frequently transmitting neural network updates between clients and server. To minimize the communication cost, introducing sparsity in conjunction with…

In this work, we present SpaRC, a novel Sparse fusion transformer for 3D perception that integrates multi-view image semantics with Radar and Camera point features. The fusion of radar and camera modalities has emerged as an efficient…

计算机视觉与模式识别 · 计算机科学 2025-09-25 Philipp Wolters , Johannes Gilg , Torben Teepe , Fabian Herzog , Felix Fent , Gerhard Rigoll

A key recent advance in face recognition models a test face image as a sparse linear combination of a set of training face images. The resulting sparse representations have been shown to possess robustness against a variety of distortions…

计算机视觉与模式识别 · 计算机科学 2011-11-09 Yi Chen , Umamahesh Srinivas , Thong T. Do , Vishal Monga , Trac D. Tran

Existing LiDAR-based 3D object detectors usually focus on the single-frame detection, while ignoring the spatiotemporal information in consecutive point cloud frames. In this paper, we propose an end-to-end online 3D video object detector…

计算机视觉与模式识别 · 计算机科学 2020-04-06 Junbo Yin , Jianbing Shen , Chenye Guan , Dingfu Zhou , Ruigang Yang

This paper proposes to learn reliable dense correspondence from videos in a self-supervised manner. Our learning process integrates two highly related tasks: tracking large image regions \emph{and} establishing fine-grained pixel-level…

计算机视觉与模式识别 · 计算机科学 2019-09-27 Xueting Li , Sifei Liu , Shalini De Mello , Xiaolong Wang , Jan Kautz , Ming-Hsuan Yang

The video super-resolution (VSR) task aims to restore a high-resolution (HR) video frame by using its corresponding low-resolution (LR) frame and multiple neighboring frames. At present, many deep learning-based VSR methods rely on optical…

图像与视频处理 · 电气工程与系统科学 2019-12-24 Hua Wang , Dewei Su , Chuangchuang Liu , Longcun Jin , Xianfang Sun , Xinyi Peng

Recently, it has been argued that encoder-decoder models can be made more interpretable by replacing the softmax function in the attention with its sparse variants. In this work, we introduce a novel, simple method for achieving sparsity in…

计算与语言 · 计算机科学 2021-10-07 Biao Zhang , Ivan Titov , Rico Sennrich

This paper tackles the problem of motion deblurring of dynamic scenes. Although end-to-end fully convolutional designs have recently advanced the state-of-the-art in non-uniform motion deblurring, their performance-complexity trade-off is…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Maitreya Suin , Kuldeep Purohit , A. N. Rajagopalan

Video object detection has been an important yet challenging topic in computer vision. Traditional methods mainly focus on designing the image-level or box-level feature propagation strategies to exploit temporal information. This paper…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Fei He , Naiyu Gao , Jian Jia , Xin Zhao , Kaiqi Huang