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相关论文: Exploiting Optical Flow Guidance for Transformer-B…

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The paradigm of Transformers using the self-attention mechanism has manifested its advantage in learning graph-structured data. Yet, Graph Transformers are capable of modeling full range dependencies but are often deficient in extracting…

机器学习 · 计算机科学 2024-09-11 Minhong Zhu , Zhenhao Zhao , Weiran Cai

Propagation-based video inpainting using optical flow at the pixel or feature level has recently garnered significant attention. However, it has limitations such as the inaccuracy of optical flow prediction and the propagation of noise over…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Minhyeok Lee , Suhwan Cho , Chajin Shin , Jungho Lee , Sunghun Yang , Sangyoun Lee

Underwater images suffer from severe degradations, including color distortions, reduced visibility, and loss of structural details due to wavelength-dependent attenuation and scattering. Existing enhancement methods primarily focus on…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Jaskaran Singh Walia , Shravan Venkatraman , Pavithra LK

In this paper, we consider the task of unsupervised object discovery in videos. Previous works have shown promising results via processing optical flows to segment objects. However, taking flow as input brings about two drawbacks. First,…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Shuangrui Ding , Weidi Xie , Yabo Chen , Rui Qian , Xiaopeng Zhang , Hongkai Xiong , Qi Tian

Recent advances in diffusion models have significantly improved the performance of reference-guided line art colorization. However, existing methods still struggle with region-level color consistency, especially when the reference and…

计算机视觉与模式识别 · 计算机科学 2025-08-14 Qianru Qiu , Jiafeng Mao , Kento Masui , Xueting Wang

Optical flow is an indispensable building block for various important computer vision tasks, including motion estimation, object tracking, and disparity measurement. In this work, we propose TransFlow, a pure transformer architecture for…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Yawen Lu , Qifan Wang , Siqi Ma , Tong Geng , Yingjie Victor Chen , Huaijin Chen , Dongfang Liu

Vision sensors are widely applied in vehicles, robots, and roadside infrastructure. However, due to limitations in hardware cost and system size, camera Field-of-View (FoV) is often restricted and may not provide sufficient coverage.…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Hao Shi , Qi Jiang , Kailun Yang , Xiaoting Yin , Ze Wang , Kaiwei Wang

Recently, Vision Transformers (ViTs) have attracted a lot of attention in the field of computer vision. Generally, the powerful representative capacity of ViTs mainly benefits from the self-attention mechanism, which has a high computation…

计算机视觉与模式识别 · 计算机科学 2023-10-12 Deli Yu , Teng Xi , Jianwei Li , Baopu Li , Gang Zhang , Haocheng Feng , Junyu Han , Jingtuo Liu , Errui Ding , Jingdong Wang

We consider the problem of filling in missing spatio-temporal regions of a video. We provide a novel flow-based solution by introducing a generative model of images in relation to the scene (without missing regions) and mappings from the…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Dong Lao , Peihao Zhu , Peter Wonka , Ganesh Sundaramoorthi

In this paper, we introduce a novel image-goal navigation approach, named RFSG. Our focus lies in leveraging the fine-grained connections between goals, observations, and the environment within limited image data, all the while keeping the…

机器人学 · 计算机科学 2025-03-17 Zhicheng Feng , Xieyuanli Chen , Chenghao Shi , Lun Luo , Zhichao Chen , Yun-Hui Liu , Huimin Lu

Graph Transformers (GTs) have demonstrated superior performance compared to traditional message-passing graph neural networks in many studies, especially in processing graph data with long-range dependencies. However, GTs tend to suffer…

机器学习 · 计算机科学 2025-04-30 Zhonghao Li , Ji Shi , Xinming Zhang , Miao Zhang , Bo Li

Endoscopic surgery relies on intraoperative video, making image quality a decisive factor for surgical safety and efficacy. Yet, endoscopic videos are often degraded by uneven illumination, tissue scattering, occlusions, and motion blur,…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Handing Xu , Zhenguo Nie , Tairan Peng , Huimin Pan , Xin-Jun Liu

While text-to-video diffusion models have made significant strides, many still face challenges in generating videos with temporal consistency. Within diffusion frameworks, guidance techniques have proven effective in enhancing output…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Hyelin Nam , Jaemin Kim , Dohun Lee , Jong Chul Ye

Flow-based propagation and spatiotemporal Transformer are two mainstream mechanisms in video inpainting (VI). Despite the effectiveness of these components, they still suffer from some limitations that affect their performance. Previous…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Shangchen Zhou , Chongyi Li , Kelvin C. K. Chan , Chen Change Loy

Computational Fluid Dynamics (CFD) serves as a powerful tool for simulating fluid flow across diverse industries. High-resolution CFD simulations offer valuable insights into fluid behavior and flow patterns, aiding in optimizing design…

Due to the problem of performance constraints of unsupervised video object detection, its large-scale application is limited. In response to this pain point, we propose another excellent method to solve this problematic point. By…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Chao Hu , Liqiang Zhu

Extending state-of-the-art object detectors from image to video is challenging. The accuracy of detection suffers from degenerated object appearances in videos, e.g., motion blur, video defocus, rare poses, etc. Existing work attempts to…

计算机视觉与模式识别 · 计算机科学 2017-08-21 Xizhou Zhu , Yujie Wang , Jifeng Dai , Lu Yuan , Yichen Wei

Existing image inpainting methods leverage convolution-based downsampling approaches to reduce spatial dimensions. This may result in information loss from corrupted images where the available information is inherently sparse, especially…

计算机视觉与模式识别 · 计算机科学 2024-02-23 Shuang Chen , Amir Atapour-Abarghouei , Hubert P. H. Shum

In this paper we present advanced representation learning study on integrating deep learning techniques and sparse approximation, including diffusion models, for advanced flow field analysis and reconstruction. Key applications include…

流体动力学 · 物理学 2025-01-15 Yikai Wang , Jiameng Wang , Ruyi Han , Shujun Fu

Magnetic Resonance Spectroscopic Imaging (MRSI) is an essential tool for quantifying metabolites in the body, but the low spatial resolution limits its clinical applications. Deep learning-based super-resolution methods provided promising…

图像与视频处理 · 电气工程与系统科学 2022-07-22 Siyuan Dong , Gilbert Hangel , Eric Z. Chen , Shanhui Sun , Wolfgang Bogner , Georg Widhalm , Chenyu You , John A. Onofrey , Robin de Graaf , James S. Duncan