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We introduce GeoGS3D, a novel two-stage framework for reconstructing detailed 3D objects from single-view images. Inspired by the success of pre-trained 2D diffusion models, our method incorporates an orthogonal plane decomposition…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Qijun Feng , Zhen Xing , Zuxuan Wu , Yu-Gang Jiang

State-of-the-art LiDAR-camera 3D object detectors usually focus on feature fusion. However, they neglect the factor of depth while designing the fusion strategy. In this work, we are the first to observe that different modalities play…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Mingqian Ji , Jian Yang , Shanshan Zhang

4D automotive radar is indispensable for autonomous driving due to its low cost and robustness, yet its point cloud sparsity challenges 3D object detection. Existing 4D radar-camera fusion methods focus on complex fusion strategies, trading…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Weiyi Xiong , Bing Zhu

The task of vision-based 3D occupancy prediction aims to reconstruct 3D geometry and estimate its semantic classes from 2D color images, where the 2D-to-3D view transformation is an indispensable step. Most previous methods conduct forward…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Yuan Wu , Zhiqiang Yan , Zhengxue Wang , Xiang Li , Le Hui , Jian Yang

3D occupancy perception holds a pivotal role in recent vision-centric autonomous driving systems by converting surround-view images into integrated geometric and semantic representations within dense 3D grids. Nevertheless, current models…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Xin Tan , Wenbin Wu , Zhiwei Zhang , Chaojie Fan , Yong Peng , Zhizhong Zhang , Yuan Xie , Lizhuang Ma

We present a fine-tuning method to improve the appearance of 3D geometries reconstructed from single images. We leverage advances in monocular depth estimation to obtain disparity maps and present a novel approach to transforming 2D…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Marissa Ramirez de Chanlatte , Matheus Gadelha , Thibault Groueix , Radomir Mech

Understanding road topology is crucial for autonomous driving. This paper introduces TopoBDA (Topology with Bezier Deformable Attention), a novel approach that enhances road topology comprehension by leveraging Bezier Deformable Attention…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Muhammet Esat Kalfaoglu , Halil Ibrahim Ozturk , Ozsel Kilinc , Alptekin Temizel

We present a deep reinforcement learning method of progressive view inpainting for 3D point scene completion under volume guidance, achieving high-quality scene reconstruction from only a single depth image with severe occlusion. Our…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Xiaoguang Han , Zhaoxuan Zhang , Dong Du , Mingdai Yang , Jingming Yu , Pan Pan , Xin Yang , Ligang Liu , Zixiang Xiong , Shuguang Cui

We propose to utilize self-supervised techniques in the 2D domain for fine-grained 3D shape segmentation tasks. This is inspired by the observation that view-based surface representations are more effective at modeling high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Gopal Sharma , Kangxue Yin , Subhransu Maji , Evangelos Kalogerakis , Or Litany , Sanja Fidler

Text-guided 3D visual grounding (T-3DVG), which aims to locate a specific object that semantically corresponds to a language query from a complicated 3D scene, has drawn increasing attention in the 3D research community over the past few…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Daizong Liu , Yang Liu , Wencan Huang , Wei Hu

3D object detection and dense depth estimation are one of the most vital tasks in autonomous driving. Multiple sensor modalities can jointly attribute towards better robot perception, and to that end, we introduce a method for jointly…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Shubham Shrivastava

We propose SparseFusion, a sparse view 3D reconstruction approach that unifies recent advances in neural rendering and probabilistic image generation. Existing approaches typically build on neural rendering with re-projected features but…

Computer Vision and Pattern Recognition · Computer Science 2023-02-17 Zhizhuo Zhou , Shubham Tulsiani

4D radars, which provide 3D point cloud data along with Doppler velocity, are attractive components of modern automated driving systems due to their low cost and robustness under adverse weather conditions. However, they provide a…

Robotics · Computer Science 2026-03-13 Siqi Pei , Andras Palffy , Dariu M. Gavrila

Point cloud completion is a generation and estimation issue derived from the partial point clouds, which plays a vital role in the applications in 3D computer vision. The progress of deep learning (DL) has impressively improved the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Ben Fei , Weidong Yang , Wenming Chen , Zhijun Li , Yikang Li , Tao Ma , Xing Hu , Lipeng Ma

A well-known challenge in applying deep-learning methods to omnidirectional images is spherical distortion. In dense regression tasks such as depth estimation, where structural details are required, using a vanilla CNN layer on the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Yuyan Li , Yuliang Guo , Zhixin Yan , Xinyu Huang , Ye Duan , Liu Ren

Point clouds can be represented in many forms (views), typically, point-based sets, voxel-based cells or range-based images(i.e., panoramic view). The point-based view is geometrically accurate, but it is disordered, which makes it…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Jianyun Xu , Ruixiang Zhang , Jian Dou , Yushi Zhu , Jie Sun , Shiliang Pu

We present AVOD, an Aggregate View Object Detection network for autonomous driving scenarios. The proposed neural network architecture uses LIDAR point clouds and RGB images to generate features that are shared by two subnetworks: a region…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Jason Ku , Melissa Mozifian , Jungwook Lee , Ali Harakeh , Steven Waslander

Lightweight direct Time-of-Flight (dToF) sensors are ideal for 3D sensing on mobile devices. However, due to the manufacturing constraints of compact devices and the inherent physical principles of imaging, dToF depth maps are sparse and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Xuan Zhu , Jijun Xiang , Xianqi Wang , Longliang Liu , Yu Wang , Hong Zhang , Fei Guo , Xin Yang

Mask-based paradigms for road topology understanding, such as TopoMaskV2, offer a complementary alternative to query-based methods by generating centerlines via a dense rasterized intermediate representation. However, prior work was limited…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Muhammet Esat Kalfaoglu , Halil Ibrahim Ozturk , Ozsel Kilinc , Alptekin Temizel

In the last few years, deep neural networks opened the doors for big advances in novel view synthesis. Many of these approaches are based on a (coarse) proxy geometry obtained by structure from motion algorithms. Small deficiencies in this…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Linus Franke , Darius Rückert , Laura Fink , Matthias Innmann , Marc Stamminger