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In this work, we take the first exploration of the recently popular foundation model, i.e., State Space Model/Mamba, in image quality assessment (IQA), aiming at observing and excavating the perception potential in vision Mamba. A series of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Fengbin Guan , Xin Li , Zihao Yu , Yiting Lu , Zhibo Chen

Diffusion models achieve impressive performance in human motion generation. However, current approaches typically ignore the significance of frequency-domain information in capturing fine-grained motions within the latent space (e.g., low…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Chengjian Li , Xiangbo Shu , Qiongjie Cui , Yazhou Yao , Jinhui Tang

Deep neural networks have made significant advancements in accurately estimating scene flow using point clouds, which is vital for many applications like video analysis, action recognition, and navigation. The robustness of these…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Haniyeh Ehsani Oskouie , Mohammad-Shahram Moin , Shohreh Kasaei

Scene flow estimation is an essential ingredient for a variety of real-world applications, especially for autonomous agents, such as self-driving cars and robots. While recent scene flow estimation approaches achieve a reasonable accuracy,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-07 Yushan Zhang , Bastian Wandt , Maria Magnusson , Michael Felsberg

Scene flow estimation is an extremely important task in computer vision to support the perception of dynamic changes in the scene. For robust scene flow, learning-based approaches have recently achieved impressive results using either…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Rajai Alhimdiat , Ramy Battrawy , René Schuster , Didier Stricker , Wesam Ashour

Recent advancements in unified multimodal understanding and visual generation (or multimodal generation) models have been hindered by their quadratic computational complexity and dependence on large-scale training data. We present…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Jialv Zou , Bencheng Liao , Qian Zhang , Wenyu Liu , Xinggang Wang

Mamba-based vision models have gained extensive attention as a result of being computationally more efficient than attention-based models. However, spatial redundancy still exists in these models, represented by token and block redundancy.…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Mengxuan Wu , Zekai Li , Zhiyuan Liang , Moyang Li , Xuanlei Zhao , Samir Khaki , Zheng Zhu , Xiaojiang Peng , Konstantinos N. Plataniotis , Kai Wang , Wangbo Zhao , Yang You

State Space models (SSMs) such as PointMamba enable efficient feature extraction for point cloud self-supervised learning with linear complexity, outperforming Transformers in computational efficiency. However, existing PointMamba-based…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Linshuang Diao , Sensen Song , Yurong Qian , Dayong Ren

We present a novel deep learning framework for flow field predictions in irregular domains when the solution is a function of the geometry of either the domain or objects inside the domain. Grid vertices in a computational fluid dynamics…

Machine Learning · Computer Science 2021-09-20 Ali Kashefi , Davis Rempe , Leonidas J. Guibas

We study the problem of self-supervised 3D scene flow estimation from real large-scale raw point cloud sequences, which is crucial to various tasks like trajectory prediction or instance segmentation. In the absence of ground truth scene…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Patrik Vacek , David Hurych , Tomáš Svoboda , Karel Zimmermann

In recent years, robust matching methods using deep learning-based approaches have been actively studied and improved in computer vision tasks. However, there remains a persistent demand for both robust and fast matching techniques. To…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Kihwan Ryoo , Hyungtae Lim , Hyun Myung

Achieving high-fidelity and temporally smooth 3D human motion generation remains a challenge, particularly within resource-constrained environments. We introduce FlowMotion, a novel method leveraging Conditional Flow Matching (CFM).…

Graphics · Computer Science 2025-04-28 Manolo Canales Cuba , Vinícius do Carmo Melício , João Paulo Gois

Understanding and predicting object motion from egocentric video is fundamental to embodied perception and interaction. However, generating physically consistent 6DoF trajectories remains challenging due to occlusions, fast motion, and the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Abhishek Saroha , Huajian Zeng , Xingxing Zuo , Daniel Cremers , Xi Wang

Optical flow estimation is a fundamental and long-standing visual task. In this work, we present a novel method, dubbed HMAFlow, to improve optical flow estimation in challenging scenes, particularly those involving small objects. The…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Dianbo Ma , Kousuke Imamura , Ziyan Gao , Xiangjie Wang , Satoshi Yamane

Many approaches have been proposed to estimate camera poses by directly minimizing photometric error. However, due to the non-convex property of direct alignment, proper initialization is still required for these methods. Many robust norms…

Robotics · Computer Science 2019-10-17 Ke Wang , Kaixuan Wang , Shaojie Shen

Optical flow estimation is a fundamental task in computer vision. Recent direct-regression methods using deep neural networks achieve remarkable performance improvement. However, they do not explicitly capture long-term motion…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Shiyu Zhao , Long Zhao , Zhixing Zhang , Enyu Zhou , Dimitris Metaxas

Scene flow is a powerful tool for capturing the motion field of 3D point clouds. However, it is difficult to directly apply flow-based models to dynamic point cloud classification since the unstructured points make it hard or even…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Jia-Xing Zhong , Kaichen Zhou , Qingyong Hu , Bing Wang , Niki Trigoni , Andrew Markham

In this paper, we focus on designing effective method for fast and accurate scene parsing. A common practice to improve the performance is to attain high resolution feature maps with strong semantic representation. Two strategies are widely…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Xiangtai Li , Ansheng You , Zhen Zhu , Houlong Zhao , Maoke Yang , Kuiyuan Yang , Yunhai Tong

Text-to-video models have demonstrated impressive capabilities in producing diverse and captivating video content, showcasing a notable advancement in generative AI. However, these models generally lack fine-grained control over motion…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Tuna Han Salih Meral , Hidir Yesiltepe , Connor Dunlop , Pinar Yanardag

Flow matching casts sample generation as learning a continuous-time velocity field that transports noise to data. Existing flow matching networks typically predict each point's velocity independently, considering only its location and time…

Machine Learning · Computer Science 2025-11-11 Md Shahriar Rahim Siddiqui , Moshe Eliasof , Eldad Haber