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The video generation field has witnessed rapid improvements with the introduction of recent diffusion models. While these models have successfully enhanced appearance quality, they still face challenges in generating coherent and natural…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Yaosi Hu , Zhenzhong Chen , Chong Luo

Occlusion is a common issue in 3D reconstruction from RGB-D videos, often blocking the complete reconstruction of objects and presenting an ongoing problem. In this paper, we propose a novel framework, empowered by a 2D diffusion-based…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Yubin Hu , Sheng Ye , Wang Zhao , Matthieu Lin , Yuze He , Yu-Hui Wen , Ying He , Yong-Jin Liu

Reconstructing dynamic, time-varying scenes with computed tomography (4D-CT) is a challenging and ill-posed problem common to industrial and medical settings. Existing 4D-CT reconstructions are designed for sparse sampling schemes that…

图像与视频处理 · 电气工程与系统科学 2021-04-26 Albert W. Reed , Hyojin Kim , Rushil Anirudh , K. Aditya Mohan , Kyle Champley , Jingu Kang , Suren Jayasuriya

Generative world models have become essential data engines for autonomous driving, yet most existing efforts focus on videos or occupancy grids, overlooking the unique LiDAR properties. Extending LiDAR generation to dynamic 4D world…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Ao Liang , Youquan Liu , Yu Yang , Dongyue Lu , Linfeng Li , Lingdong Kong , Huaici Zhao , Wei Tsang Ooi

We propose an approach to 3D reconstruction via inverse procedural modeling and investigate two variants of this approach. The first option consists in the fitting set of input parameters using a genetic algorithm. We demonstrate the…

图形学 · 计算机科学 2023-10-23 Albert Garifullin , Nikolay Maiorov , Vladimir Frolov

Creating CAD digital twins from the physical world is crucial for manufacturing, design, and simulation. However, current methods typically rely on costly 3D scanning with labor-intensive post-processing. To provide a user-friendly design…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Cheng Chen , Jiacheng Wei , Tianrun Chen , Chi Zhang , Xiaofeng Yang , Shangzhan Zhang , Bingchen Yang , Chuan-Sheng Foo , Guosheng Lin , Qixing Huang , Fayao Liu

Diffusion-based text-to-image generative models, e.g., Stable Diffusion, have revolutionized the field of content generation, enabling significant advancements in areas like image editing and video synthesis. Despite their formidable…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Yanyu Li , Xian Liu , Anil Kag , Ju Hu , Yerlan Idelbayev , Dhritiman Sagar , Yanzhi Wang , Sergey Tulyakov , Jian Ren

We propose a novel architecture for GAN inversion, which we call Feature-Style encoder. The style encoder is key for the manipulation of the obtained latent codes, while the feature encoder is crucial for optimal image reconstruction. Our…

计算机视觉与模式识别 · 计算机科学 2022-02-07 Xu Yao , Alasdair Newson , Yann Gousseau , Pierre Hellier

Graphics rendering applications increasingly leverage neural networks in tasks such as denoising, supersampling, and frame extrapolation to improve image quality while maintaining frame rates. The temporal coherence inherent in these tasks…

图形学 · 计算机科学 2025-06-18 Lufei Liu , Tor M. Aamodt

We present a novel framework for generating high-quality, animatable 4D avatar from a single image. While recent advances have shown promising results in 4D avatar creation, existing methods either require extensive multiview data or…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Fei Yin , Mallikarjun B R , Chun-Han Yao , Rafał Mantiuk , Varun Jampani

3D vector graphics play a crucial role in various applications including 3D shape retrieval, conceptual design, and virtual reality interactions due to their ability to capture essential structural information with minimal representation.…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Chuang Wang , Haitao Zhou , Ling Luo , Qian Yu

Mobile robots operating indoors must be prepared to navigate challenging scenes that contain transparent surfaces. This paper proposes a novel method for the fusion of acoustic and visual sensing modalities through implicit neural…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Advaith V. Sethuraman , Onur Bagoren , Harikrishnan Seetharaman , Dalton Richardson , Joseph Taylor , Katherine A. Skinner

We present TrajectoryCrafter, a novel approach to redirect camera trajectories for monocular videos. By disentangling deterministic view transformations from stochastic content generation, our method achieves precise control over…

计算机视觉与模式识别 · 计算机科学 2025-03-10 Mark YU , Wenbo Hu , Jinbo Xing , Ying Shan

Interactive image editing allows users to modify images through visual interaction operations such as drawing, clicking, and dragging. Existing methods construct such supervision signals from videos, as they capture how objects change with…

计算机视觉与模式识别 · 计算机科学 2025-01-15 Yabo Zhang , Xinpeng Zhou , Yihan Zeng , Hang Xu , Hui Li , Wangmeng Zuo

Multi-camera perception tasks have gained significant attention in the field of autonomous driving. However, existing frameworks based on Lift-Splat-Shoot (LSS) in the multi-camera setting cannot produce suitable dense 3D features due to…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Junkai Xu , Liang Peng , Haoran Cheng , Linxuan Xia , Qi Zhou , Dan Deng , Wei Qian , Wenxiao Wang , Deng Cai

Recent video inpainting algorithms integrate flow-based pixel propagation with transformer-based generation to leverage optical flow for restoring textures and objects using information from neighboring frames, while completing masked…

计算机视觉与模式识别 · 计算机科学 2025-01-20 Xiaowen Li , Haolan Xue , Peiran Ren , Liefeng Bo

The essence of a video lies in its dynamic motions, including character actions, object movements, and camera movements. While text-to-video generative diffusion models have recently advanced in creating diverse contents, controlling…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Yuxin Zhang , Fan Tang , Nisha Huang , Haibin Huang , Chongyang Ma , Weiming Dong , Changsheng Xu

Recent advances in full-head reconstruction have been obtained by optimizing a neural field through differentiable surface or volume rendering to represent a single scene. While these techniques achieve an unprecedented accuracy, they take…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Antonio Canela , Pol Caselles , Ibrar Malik , Eduard Ramon , Jaime García , Jordi Sánchez-Riera , Gil Triginer , Francesc Moreno-Noguer

Recent video inpainting methods have achieved encouraging improvements by leveraging optical flow to guide pixel propagation from reference frames either in the image space or feature space. However, they would produce severe artifacts in…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Chaohao Xie , Kai Han , Kwan-Yee K. Wong

The demand for compact cameras capable of recording high-speed scenes with high resolution is steadily increasing. However, achieving such capabilities often entails high bandwidth requirements, resulting in bulky, heavy systems unsuitable…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Zhihong Zhang , Runzhao Yang , Jinli Suo , Yuxiao Cheng , Qionghai Dai