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3D semantic occupancy and flow prediction are fundamental to spatiotemporal scene understanding. This paper proposes a vision-based framework with three targeted improvements. First, we introduce an occlusion-aware adaptive lifting…

计算机视觉与模式识别 · 计算机科学 2025-09-11 Dubing Chen , Jin Fang , Wencheng Han , Xinjing Cheng , Junbo Yin , Chenzhong Xu , Fahad Shahbaz Khan , Jianbing Shen

One crucial aspect of 3D head avatar reconstruction lies in the details of facial expressions. Although recent NeRF-based photo-realistic 3D head avatar methods achieve high-quality avatar rendering, they still encounter challenges…

计算机视觉与模式识别 · 计算机科学 2023-10-11 Minghan Qin , Yifan Liu , Yuelang Xu , Xiaochen Zhao , Yebin Liu , Haoqian Wang

Deep implicit functions (DIFs), as a kind of 3D shape representation, are becoming more and more popular in the 3D vision community due to their compactness and strong representation power. However, unlike polygon mesh-based templates, it…

计算机视觉与模式识别 · 计算机科学 2021-05-14 Zerong Zheng , Tao Yu , Qionghai Dai , Yebin Liu

Recent developments in spatial omics technologies have enabled the generation of high dimensional molecular data, such as transcriptomes, proteomes, and epigenomes, within their spatial tissue context, either through coprofiling on the same…

Conventional Computed Tomography (CT) imaging recognition faces two significant challenges: (1) There is often considerable variability in the resolution and size of each CT scan, necessitating strict requirements for the input size and…

图像与视频处理 · 电气工程与系统科学 2024-04-23 Chih-Chung Hsu , Chia-Ming Lee , Yang Fan Chiang , Yi-Shiuan Chou , Chih-Yu Jiang , Shen-Chieh Tai , Chi-Han Tsai

Multi-sensor fusion significantly enhances the accuracy and robustness of 3D semantic occupancy prediction, which is crucial for autonomous driving and robotics. However, most existing approaches depend on high-resolution images and complex…

计算机视觉与模式识别 · 计算机科学 2025-09-24 Zhen Yang , Yanpeng Dong , Jiayu Wang , Heng Wang , Lichao Ma , Zijian Cui , Qi Liu , Haoran Pei , Kexin Zhang , Chao Zhang

Full-field ultra-high-speed (UHS) x-ray imaging experiments have been well established to characterize various processes and phenomena. However, the potential of UHS experiments through the joint acquisition of x-ray videos with distinct…

图像与视频处理 · 电气工程与系统科学 2024-11-28 Songyuan Tang , Tekin Bicer , Tao Sun , Kamel Fezzaa , Samuel J. Clark

Bone surface reconstruction is an essential component of computer-assisted orthopedic surgery(CAOS), forming the foundation for both preoperative planning and intraoperative guidance. Compared to traditional imaging modalities such as…

Accurate segmentation of vascular networks from sparse CT scan slices remains a significant challenge in medical imaging, particularly due to the thin, branching nature of vessels and the inherent sparsity between imaging planes. Existing…

图像与视频处理 · 电气工程与系统科学 2025-06-23 Salvatore Esposito , Daniel Rebain , Arno Onken , Changjian Li , Oisin Mac Aodha

We solve the problem of 6-DoF localisation and 3D dense reconstruction in spatial environments as approximate Bayesian inference in a deep state-space model. Our approach leverages both learning and domain knowledge from multiple-view…

机器学习 · 统计学 2021-03-16 Atanas Mirchev , Baris Kayalibay , Patrick van der Smagt , Justin Bayer

The raw depth images captured by RGB-D cameras using Time-of-Flight (TOF) or structured light often suffer from incomplete depth values due to weak reflections, boundary shadows, and artifacts, which limit their applications in downstream…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Zihui Zhao , Yifei Zhang , Zheng Wang , Yang Li , Kui Jiang , Zihan Geng , Chia-Wen Lin

Deep learning-based 3D medical image segmentation methods relies on large-scale labeled datasets, yet acquiring such data is difficult due to privacy constraints and the high cost of expert annotation. Formula-Driven Supervised Learning…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Yukinori Yamamoto , Kazuya Nishimura , Tsukasa Fukusato , Hirokazu Nosato , Tetsuya Ogata , Hirokatsu Kataoka

Occupancy prediction plays a pivotal role in autonomous driving (AD) due to the fine-grained geometric perception and general object recognition capabilities. However, existing methods often incur high computational costs, which contradicts…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Yulin He , Wei Chen , Tianci Xun , Yusong Tan

Dynamic imaging is essential for analyzing various biological systems and behaviors but faces two main challenges: data incompleteness and computational burden. For many imaging systems, high frame rates and short acquisition times require…

图像与视频处理 · 电气工程与系统科学 2024-06-12 Luke Lozenski , Mark A. Anastasio , Umberto Villa

Driven by autonomous driving's demands for precise 3D perception, 3D semantic occupancy prediction has become a pivotal research topic. Unlike bird's-eye-view (BEV) methods, which restrict scene representation to a 2D plane, occupancy…

计算机视觉与模式识别 · 计算机科学 2025-09-05 Han Huang , Han Sun , Ningzhong Liu , Huiyu Zhou , Jiaquan Shen

Robust 3D representation learning forms the perceptual foundation of spatial intelligence, enabling downstream tasks in scene understanding and embodied AI. However, learning such representations directly from unposed multi-view images…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Bo Zhou , Qiuxia Lai , Zeren Sun , Xiangbo Shu , Yazhou Yao , Wenguan Wang

The advent of generative radiance fields has significantly promoted the development of 3D-aware image synthesis. The cumulative rendering process in radiance fields makes training these generative models much easier since gradients are…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Xudong Xu , Xingang Pan , Dahua Lin , Bo Dai

Image-based 3D reconstruction is one of the most important tasks in Computer Vision with many solutions proposed over the last few decades. The objective is to extract metric information i.e. the geometry of scene objects directly from…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Qiao Chen , Charalambos Poullis

Although the recent rapid evolution of 3D generative neural networks greatly improves 3D shape generation, it is still not convenient for ordinary users to create 3D shapes and control the local geometry of generated shapes. To address…

计算机视觉与模式识别 · 计算机科学 2023-05-10 Xin-Yang Zheng , Hao Pan , Peng-Shuai Wang , Xin Tong , Yang Liu , Heung-Yeung Shum

Understanding and modeling the 3D scene from a single image is a practical problem. A recent advance proposes a panoptic 3D scene reconstruction task that performs both 3D reconstruction and 3D panoptic segmentation from a single image.…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Tao Chu , Pan Zhang , Qiong Liu , Jiaqi Wang