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Related papers: SPAR3D: Stable Point-Aware Reconstruction of 3D Ob…

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Diffusion models have emerged as the new state-of-the-art generative model with high quality samples, with intriguing properties such as mode coverage and high flexibility. They have also been shown to be effective inverse problem solvers,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Hyungjin Chung , Dohoon Ryu , Michael T. McCann , Marc L. Klasky , Jong Chul Ye

While recent work on text-conditional 3D object generation has shown promising results, the state-of-the-art methods typically require multiple GPU-hours to produce a single sample. This is in stark contrast to state-of-the-art generative…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Alex Nichol , Heewoo Jun , Prafulla Dhariwal , Pamela Mishkin , Mark Chen

Text-to-3D with diffusion models has achieved remarkable progress in recent years. However, existing methods either rely on score distillation-based optimization which suffer from slow inference, low diversity and Janus problems, or are…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Jiahao Li , Hao Tan , Kai Zhang , Zexiang Xu , Fujun Luan , Yinghao Xu , Yicong Hong , Kalyan Sunkavalli , Greg Shakhnarovich , Sai Bi

Existing LiDAR-Camera fusion methods have achieved strong results in 3D object detection. To address the sparsity of point clouds, previous approaches typically construct spatial pseudo point clouds via depth completion as auxiliary input…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Jijun Wang , Yan Wu , Yujian Mo , Junqiao Zhao , Jun Yan , Yinghao Hu

Computer-Aided Design is ubiquitous in todays world, as almost every manufactured object begins as a digital model across industries. At the same time, advances in 3D sensing have made point clouds a dominant form of raw 3D data. Recovering…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Said Harb , Mehdi Maboudi , Markus Gerke

This paper delves into the study of 3D point cloud reconstruction from a single image. Our objective is to develop the Consistency Diffusion Model, exploring synergistic 2D and 3D priors in the Bayesian framework to ensure superior…

Computer Vision and Pattern Recognition · Computer Science 2025-02-03 Chenru Jiang , Chengrui Zhang , Xi Yang , Jie Sun , Yifei Zhang , Bin Dong , Kaizhu Huang

3D reconstruction from images is a core problem in computer vision. With recent advances in deep learning, it has become possible to recover plausible 3D shapes even from single RGB images for the first time. However, obtaining detailed…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Tao Hu , Geng Lin , Zhizhong Han , Matthias Zwicker

We propose a novel method for 3D object reconstruction from a sparse set of views captured from a 360-degree calibrated camera rig. We represent the object surface through a hybrid model that uses both an MLP-based neural representation and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Llukman Cerkezi , Paolo Favaro

Controllable generation of 3D assets is important for many practical applications like content creation in movies, games and engineering, as well as in AR/VR. Recently, diffusion models have shown remarkable results in generation quality of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Philipp Schröppel , Christopher Wewer , Jan Eric Lenssen , Eddy Ilg , Thomas Brox

In this paper, we propose RI3D, a novel 3DGS-based approach that harnesses the power of diffusion models to reconstruct high-quality novel views given a sparse set of input images. Our key contribution is separating the view synthesis…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Avinash Paliwal , Xilong Zhou , Wei Ye , Jinhui Xiong , Rakesh Ranjan , Nima Khademi Kalantari

Gaussian splatting typically requires dense observations of the scene and can fail to reconstruct occluded and unobserved areas. We propose a latent diffusion model to reconstruct a complete 3D scene with Gaussian splats, including the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Ziwei Liao , Mohamed Sayed , Steven L. Waslander , Sara Vicente , Daniyar Turmukhambetov , Michael Firman

With the increasing reliance of self-driving and similar robotic systems on robust 3D vision, the processing of LiDAR scans with deep convolutional neural networks has become a trend in academia and industry alike. Prior attempts on the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Ran Cheng , Christopher Agia , Yuan Ren , Xinhai Li , Liu Bingbing

We learn a self-supervised, single-view 3D reconstruction model that predicts the 3D mesh shape, texture and camera pose of a target object with a collection of 2D images and silhouettes. The proposed method does not necessitate 3D…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Xueting Li , Sifei Liu , Kihwan Kim , Shalini De Mello , Varun Jampani , Ming-Hsuan Yang , Jan Kautz

Real-time monocular 3D reconstruction is a challenging problem that remains unsolved. Although recent end-to-end methods have demonstrated promising results, tiny structures and geometric boundaries are hardly captured due to their…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Chenyangguang Zhang , Zhiqiang Lou , Yan Di , Federico Tombari , Xiangyang Ji

Recently, 3D Gaussian Splatting (3DGS) has attracted widespread attention due to its high-quality rendering, and ultra-fast training and rendering speed. However, due to the unstructured and irregular nature of Gaussian point clouds, it is…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Danpeng Chen , Hai Li , Weicai Ye , Yifan Wang , Weijian Xie , Shangjin Zhai , Nan Wang , Haomin Liu , Hujun Bao , Guofeng Zhang

We present Acc3D to tackle the challenge of accelerating the diffusion process to generate 3D models from single images. To derive high-quality reconstructions through few-step inferences, we emphasize the critical issue of regularizing the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Kendong Liu , Zhiyu Zhu , Hui Liu , Junhui Hou

By enabling capturing of 3D point clouds that reflect the geometry of the immediate environment, LiDAR has emerged as a primary sensor for autonomous systems. If a LiDAR scan is too sparse, occluded by obstacles, or too small in range,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Ryan Faulkner , Luke Haub , Simon Ratcliffe , Anh-Dzung Doan , Ian Reid , Tat-Jun Chin

Single-view 3D reconstruction is currently approached from two dominant perspectives: reconstruction of scenes with limited diversity using 3D data supervision or reconstruction of diverse singular objects using large image priors. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Andreea Ardelean , Mert Özer , Bernhard Egger

We introduce a highly efficient method for panoptic segmentation of large 3D point clouds by redefining this task as a scalable graph clustering problem. This approach can be trained using only local auxiliary tasks, thereby eliminating the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Damien Robert , Hugo Raguet , Loic Landrieu

Panoptic segmentation of 3D scenes, involving the segmentation and classification of object instances in a dense 3D reconstruction of a scene, is a challenging problem, especially when relying solely on unposed 2D images. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Lojze Zust , Yohann Cabon , Juliette Marrie , Leonid Antsfeld , Boris Chidlovskii , Jerome Revaud , Gabriela Csurka