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Recent visual odometry (VO) methods incorporating geometric algorithm into deep-learning architecture have shown outstanding performance on the challenging monocular VO task. Despite encouraging results are shown, previous methods ignore…

计算机视觉与模式识别 · 计算机科学 2022-12-22 Yijun Cao , Xianshi Zhang , Fuya Luo , Peng Peng , Yongjie Li

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

GPU-accelerated Self-Organizing Map (SOM) implementations are among the most competitive options for large-scale SOM analysis, but growing dataset sizes increasingly challenge their practical use because workloads no longer fit cleanly…

分布式、并行与集群计算 · 计算机科学 2026-04-30 Tony Xu , Sarah Klamt , Katherine Turner , Anne Brustle , Felix Marsh-Wakefield , Givanna Putri

The problem of Cortical Surface Reconstruction from magnetic resonance imaging has been traditionally addressed using lengthy pipelines of image processing techniques like FreeSurfer, CAT, or CIVET. These frameworks require very long…

图像与视频处理 · 电气工程与系统科学 2022-06-15 Rodrigo Santa Cruz , Léo Lebrat , Darren Fu , Pierrick Bourgeat , Jurgen Fripp , Clinton Fookes , Olivier Salvado

Video representation is a key challenge in many computer vision applications such as video classification, video captioning, and video surveillance. In this paper, we propose a novel approach for video representation that captures…

计算机视觉与模式识别 · 计算机科学 2019-05-14 Mohammadreza Babaee , David Full , Gerhard Rigoll

Occlusions pose a significant challenge to optical flow algorithms that even rely on global evidences. We consider an occluded point to be one that is imaged in the reference frame but not in the next. Estimating the motion of these points…

计算机视觉与模式识别 · 计算机科学 2024-01-12 Yu Jing , Tan Yujuan , Ren Ao , Liu Duo

The multi-step denoising process in diffusion and Flow Matching models causes major efficiency issues, which motivates research on few-step generation. We present Solution Flow Models (SoFlow), a framework for one-step generation from…

机器学习 · 计算机科学 2026-03-03 Tianze Luo , Haotian Yuan , Zhuang Liu

We present FoundationSLAM, a learning-based monocular dense SLAM system that addresses the absence of geometric consistency in previous flow-based approaches for accurate and robust tracking and mapping. Our core idea is to bridge flow…

计算机视觉与模式识别 · 计算机科学 2026-01-05 Yuchen Wu , Jiahe Li , Fabio Tosi , Matteo Poggi , Jin Zheng , Xiao Bai

Current discriminative depth estimation methods often produce blurry artifacts, while generative approaches suffer from slow sampling due to curvatures in the noise-to-depth transport. Our method addresses these challenges by framing depth…

Optical Flow (OF) is the movement pattern of pixels or edges that is caused in a visual scene by the relative motion between an agent and a scene. OF is used in a wide range of computer vision algorithms and robotics applications. While the…

图像与视频处理 · 电气工程与系统科学 2023-09-25 Jonas Kühne , Michele Magno , Luca Benini

We present Flowception, a novel non-autoregressive and variable-length video generation framework. Flowception learns a probability path that interleaves discrete frame insertions with continuous frame denoising. Compared to autoregressive…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Tariq Berrada Ifriqi , John Nguyen , Karteek Alahari , Jakob Verbeek , Ricky T. Q. Chen

Deep learning surrogates for CFD flow-field prediction often rely on large, complex models, which can be slow and fragile when data are noisy or incomplete. We introduce FlowForge, a staged local rollout engine that predicts future flow…

机器学习 · 计算机科学 2026-04-27 Xiaowen Zhang , Ziming Zhou , Fengnian Zhao , David L. S. Hung

Recent advancements in neural network-based optical flow estimation often come with prohibitively high computational and memory requirements, presenting challenges in their model adaptation for mobile and low-power use cases. In this paper,…

计算机视觉与模式识别 · 计算机科学 2023-06-12 Risheek Garrepalli , Jisoo Jeong , Rajeswaran C Ravindran , Jamie Menjay Lin , Fatih Porikli

End-to-end trained convolutional neural networks have led to a breakthrough in optical flow estimation. The most recent advances focus on improving the optical flow estimation by improving the architecture and setting a new benchmark on the…

计算机视觉与模式识别 · 计算机科学 2021-06-03 D. B. de Jong , F. Paredes-Vallés , G. C. H. E. de Croon

Dynamic graph random walk (DGRW) emerges as a practical tool for capturing structural relations within a graph. Effectively executing DGRW on GPU presents certain challenges. First, existing sampling methods demand a pre-processing buffer,…

分布式、并行与集群计算 · 计算机科学 2024-04-29 Junyi Mei , Shixuan Sun , Chao Li , Cheng Xu , Cheng Chen , Yibo Liu , Jing Wang , Cheng Zhao , Xiaofeng Hou , Minyi Guo , Bingsheng He , Xiaoliang Cong

Optical flow estimation is one of the fundamental tasks in low-level computer vision, which describes the pixel-wise displacement and can be used in many other tasks. From the apparent aspect, the optical flow can be viewed as the…

计算机视觉与模式识别 · 计算机科学 2024-05-22 Yuhao Cheng , Siru Zhang , Yiqiang Yan

The accuracy of learning-based optical flow estimation models heavily relies on the realism of the training datasets. Current approaches for generating such datasets either employ synthetic data or generate images with limited realism.…

计算机视觉与模式识别 · 计算机科学 2023-09-14 Yingping Liang , Jiaming Liu , Debing Zhang , Ying Fu

Sparse-to-dense interpolation for optical flow is a fundamental phase in the pipeline of most of the leading optical flow estimation algorithms. The current state-of-the-art method for interpolation, EpicFlow, is a local average method…

计算机视觉与模式识别 · 计算机科学 2017-02-27 Shay Zweig , Lior Wolf

Normalizing flows are a class of probabilistic generative models which allow for both fast density computation and efficient sampling and are effective at modelling complex distributions like images. A drawback among current methods is…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Jason J. Yu , Konstantinos G. Derpanis , Marcus A. Brubaker

Today, there is a trend to incorporate more intelligence (e.g., vision capabilities) into a wide range of devices, which makes high performance a necessity for computing systems. Furthermore, for embedded systems, low power consumption…

其他计算机科学 · 计算机科学 2014-08-25 Zhilei Chai , Zhibin Wang , Wenmin Yang , Shuai Ding , Yuanpu Zhang