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We propose scaling up 3D scene reconstruction by training with synthesized data. At the core of our work is MegaSynth, a procedurally generated 3D dataset comprising 700K scenes - over 50 times larger than the prior real dataset DL3DV -…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Hanwen Jiang , Zexiang Xu , Desai Xie , Ziwen Chen , Haian Jin , Fujun Luan , Zhixin Shu , Kai Zhang , Sai Bi , Xin Sun , Jiuxiang Gu , Qixing Huang , Georgios Pavlakos , Hao Tan

Supervised multi-view stereo (MVS) methods have achieved remarkable progress in terms of reconstruction quality, but suffer from the challenge of collecting large-scale ground-truth depth. In this paper, we propose a novel self-supervised…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Yikang Ding , Qingtian Zhu , Xiangyue Liu , Wentao Yuan , Haotian Zhang , Chi Zhang

Image datasets have been steadily growing in size, harming the feasibility and efficiency of large-scale 3D reconstruction methods. In this paper, a novel approach for scaling Multi-View Stereo (MVS) algorithms up to arbitrarily large…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Marco Orsingher , Paolo Zani , Paolo Medici , Massimo Bertozzi

We propose an efficient multi-view stereo (MVS) network for infering depth value from multiple RGB images. Recent studies have shown that mapping the geometric relationship in real space to neural network is an essential topic of the MVS…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Zihang Wan

Underwater scene reconstruction poses a substantial challenge because of the intricate interplay between light and the medium, resulting in scattering and absorption effects that make both depth estimation and rendering more complex. While…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Shuyi Hu , Qi Liu

We present an efficient multi-view stereo (MVS) network for 3D reconstruction from multiview images. While previous learning based reconstruction approaches performed quite well, most of them estimate depth maps at a fixed resolution using…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Anzhu Yu , Wenyue Guo , Bing Liu , Xin Chen , Xin Wang , Xuefeng Cao , Bingchuan Jiang

Indoor robotics localization, navigation, and interaction heavily rely on scene understanding and reconstruction. Compared to the monocular vision which usually does not explicitly introduce any geometrical constraint, stereo vision-based…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Qiang Wang , Shizhen Zheng , Qingsong Yan , Fei Deng , Kaiyong Zhao , Xiaowen Chu

Despite the impressive performance of Multi-view Stereo (MVS) approaches given plenty of training samples, the performance degradation when generalizing to unseen domains has not been clearly explored yet. In this work, we focus on the…

计算机视觉与模式识别 · 计算机科学 2024-05-16 Hongbin Xu , Weitao Chen , Baigui Sun , Xuansong Xie , Wenxiong Kang

In this paper, a complete pipeline for image-based 3D reconstruction of urban scenarios is proposed, based on PatchMatch Multi-View Stereo (MVS). Input images are firstly fed into an off-the-shelf visual SLAM system to extract camera poses…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Marco Orsingher , Paolo Zani , Paolo Medici , Massimo Bertozzi

PatchMatch based Multi-view Stereo (MVS) algorithms have achieved great success in large-scale scene reconstruction tasks. However, reconstruction of texture-less planes often fails as similarity measurement methods may become ineffective…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Shang Sun , Yunan Zheng , Xuelei Shi , Zhenyu Xu , Yiguang Liu

Research on multi-view stereo based on remote sensing images has promoted the development of large-scale urban 3D reconstruction. However, remote sensing multi-view image data suffers from the problems of occlusion and uneven brightness…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Yong-Qiang Mao , Hanbo Bi , Liangyu Xu , Kaiqiang Chen , Zhirui Wang , Xian Sun , Kun Fu

This study addresses the challenge of online 3D model generation for neural rendering using an RGB image stream. Previous research has tackled this issue by incorporating Neural Radiance Fields (NeRF) or 3D Gaussian Splatting (3DGS) as…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Byeonggwon Lee , Junkyu Park , Khang Truong Giang , Sungho Jo , Soohwan Song

Deep learning has made significant impacts on multi-view stereo systems. State-of-the-art approaches typically involve building a cost volume, followed by multiple 3D convolution operations to recover the input image's pixel-wise depth.…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Zhenpei Yang , Zhile Ren , Qi Shan , Qixing Huang

Human head detection, keypoint estimation, and 3D head model fitting are essential tasks with many applications. However, traditional real-world datasets often suffer from bias, privacy, and ethical concerns, and they have been recorded in…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Orest Kupyn , Eugene Khvedchenia , Christian Rupprecht

3D scene reconstruction from multiple views is an important classical problem in computer vision. Deep learning based approaches have recently demonstrated impressive reconstruction results. When training such models, self-supervised…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Arijit Mallick , Jörg Stückler , Hendrik Lensch

We propose a new dataset for learning local image descriptors which can be used for significantly improved patch matching. Our proposed dataset consists of an order of magnitude more number of scenes, images, and positive and negative…

计算机视觉与模式识别 · 计算机科学 2018-04-18 Rahul Mitra , Nehal Doiphode , Utkarsh Gautam , Sanath Narayan , Shuaib Ahmed , Sharat Chandran , Arjun Jain

End-to-end deep networks represent the state of the art for stereo matching. While excelling on images framing environments similar to the training set, major drops in accuracy occur in unseen domains (e.g., when moving from synthetic to…

计算机视觉与模式识别 · 计算机科学 2020-10-16 Changjiang Cai , Matteo Poggi , Stefano Mattoccia , Philippos Mordohai

Bounded by the inherent ambiguity of depth perception, contemporary camera-based 3D object detection methods fall into the performance bottleneck. Intuitively, leveraging temporal multi-view stereo (MVS) technology is the natural knowledge…

计算机视觉与模式识别 · 计算机科学 2022-09-22 Yinhao Li , Han Bao , Zheng Ge , Jinrong Yang , Jianjian Sun , Zeming Li

Multi-view stereopsis (MVS) tries to recover the 3D model from 2D images. As the observations become sparser, the significant 3D information loss makes the MVS problem more challenging. Instead of only focusing on densely sampled…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Mengqi Ji , Jinzhi Zhang , Qionghai Dai , Lu Fang

Being data-driven is one of the most iconic properties of deep learning algorithms. The birth of ImageNet drives a remarkable trend of "learning from large-scale data" in computer vision. Pretraining on ImageNet to obtain rich universal…