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A comprehensive three-dimensional (3D) map of tissue architecture and gene expression is crucial for illuminating the complexity and heterogeneity of tissues across diverse biomedical applications. However, most spatial transcriptomics (ST)…

In this work, we present a dense tracking and mapping system named Vox-Fusion, which seamlessly fuses neural implicit representations with traditional volumetric fusion methods. Our approach is inspired by the recently developed implicit…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Xingrui Yang , Hai Li , Hongjia Zhai , Yuhang Ming , Yuqian Liu , Guofeng Zhang

3D object detection in point clouds is a core component for modern robotics and autonomous driving systems. A key challenge in 3D object detection comes from the inherent sparse nature of point occupancy within the 3D scene. In this paper,…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Pei Sun , Mingxing Tan , Weiyue Wang , Chenxi Liu , Fei Xia , Zhaoqi Leng , Dragomir Anguelov

Open-vocabulary 3D instance segmentation is a core capability for robotics and AR/VR, but prior methods trade one bottleneck for another: multi-stage 2D+3D pipelines aggregate foundation-model outputs at hundreds of seconds per scene, while…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Chris Choy , Junha Lee , Chunghyun Park , Minsu Cho , Jan Kautz

3D occupancy, an advanced perception technology for driving scenarios, represents the entire scene without distinguishing between foreground and background by quantifying the physical space into a grid map. The widely adopted…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Jinke Li , Xiao He , Chonghua Zhou , Xiaoqiang Cheng , Yang Wen , Dan Zhang

Transformers have gained much attention by outperforming convolutional neural networks in many 2D vision tasks. However, they are known to have generalization problems and rely on massive-scale pre-training and sophisticated training…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Tianchen Zhao , Niansong Zhang , Xuefei Ning , He Wang , Li Yi , Yu Wang

This paper presents a novel latent 3D diffusion model for the generation of neural voxel fields, aiming to achieve accurate part-aware structures. Compared to existing methods, there are two key designs to ensure high-quality and accurate…

计算机视觉与模式识别 · 计算机科学 2025-05-05 Yuhang Huang , SHilong Zou , Xinwang Liu , Kai Xu

The generation of high-fidelity view synthesis is essential for robotic navigation and interaction but remains challenging, particularly in indoor environments and real-time scenarios. Existing techniques often require significant…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Sen Wang , Qing Cheng , Stefano Gasperini , Wei Zhang , Shun-Cheng Wu , Niclas Zeller , Daniel Cremers , Nassir Navab

LiDAR-based fully sparse architecture has garnered increasing attention. FSDv1 stands out as a representative work, achieving impressive efficacy and efficiency, albeit with intricate structures and handcrafted designs. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Lue Fan , Feng Wang , Naiyan Wang , Zhaoxiang Zhang

State-of-the-art 3D-aware generative models rely on coordinate-based MLPs to parameterize 3D radiance fields. While demonstrating impressive results, querying an MLP for every sample along each ray leads to slow rendering. Therefore,…

计算机视觉与模式识别 · 计算机科学 2022-11-11 Katja Schwarz , Axel Sauer , Michael Niemeyer , Yiyi Liao , Andreas Geiger

Automatic 3D neuron reconstruction is critical for analysing the morphology and functionality of neurons in brain circuit activities. However, the performance of existing tracing algorithms is hinged by the low image quality. Recently, a…

图像与视频处理 · 电气工程与系统科学 2021-09-17 Heng Wang , Chaoyi Zhang , Jianhui Yu , Yang Song , Siqi Liu , Wojciech Chrzanowski , Weidong Cai

Semantic scene completion, also known as semantic occupancy prediction, can provide dense geometric and semantic information for autonomous vehicles, which attracts the increasing attention of both academia and industry. Unfortunately,…

计算机视觉与模式识别 · 计算机科学 2024-04-19 Song Wang , Jiawei Yu , Wentong Li , Wenyu Liu , Xiaolu Liu , Junbo Chen , Jianke Zhu

Roadside vision centric 3D object detection has received increasing attention in recent years. It expands the perception range of autonomous vehicles, enhances the road safety. Previous methods focused on predicting per-pixel height rather…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Zhang Zhang , Chao Sun , Chao Yue , Da Wen , Yujie Chen , Tianze Wang , Jianghao Leng

In this paper, we introduce Vox-Fusion++, a multi-maps-based robust dense tracking and mapping system that seamlessly fuses neural implicit representations with traditional volumetric fusion techniques. Building upon the concept of implicit…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Hongjia Zhai , Hai Li , Xingrui Yang , Gan Huang , Yuhang Ming , Hujun Bao , Guofeng Zhang

We propose a probabilistic shape completion method extended to the continuous geometry of large-scale 3D scenes. Real-world scans of 3D scenes suffer from a considerable amount of missing data cluttered with unsegmented objects. The problem…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Dongsu Zhang , Changwoon Choi , Inbum Park , Young Min Kim

Camera-based 3D semantic scene completion (SSC) provides dense geometric and semantic perception for autonomous driving. However, images provide limited information making the model susceptible to geometric ambiguity caused by occlusion and…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Meng Wang , Huilong Pi , Ruihui Li , Yunchuan Qin , Zhuo Tang , Kenli Li

The adoption of Vision Transformers (ViTs) based architectures represents a significant advancement in 3D Medical Image (MI) segmentation, surpassing traditional Convolutional Neural Network (CNN) models by enhancing global contextual…

计算机视觉与模式识别 · 计算机科学 2024-04-25 Shehan Perera , Pouyan Navard , Alper Yilmaz

We address the issue of the exploding computational requirements of recent State-of-the-art (SOTA) open set multimodel 3D mapping (dense 3D mapping) algorithms and present Voxel-Aggregated Feature Synthesis (VAFS), a novel approach to dense…

计算机视觉与模式识别 · 计算机科学 2025-01-10 Owen Burns , Rizwan Qureshi

Recent advancements in open-vocabulary 3D scene understanding heavily rely on 3D Gaussian Splatting (3DGS) to register vision-language features into 3D space. However, we identify two critical limitations in these approaches: the spatial…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Fusang Wang , Nathan Piasco , Moussab Bennehar , Luis Roldão , Dzmitry Tsishkou , Fabien Moutarde

In this work, we aim to improve the 3D reasoning ability of Transformers in multi-view 3D human pose estimation. Recent works have focused on end-to-end learning-based transformer designs, which struggle to resolve geometric information…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Ziwei Liao , Jialiang Zhu , Chunyu Wang , Han Hu , Steven L. Waslander