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We propose a system that uses a convolution neural network (CNN) to estimate depth from a stereo pair followed by volumetric fusion of the predicted depth maps to produce a 3D reconstruction of a scene. Our proposed depth refinement…

计算机视觉与模式识别 · 计算机科学 2019-06-04 Rohan Chabra , Julian Straub , Chris Sweeney , Richard Newcombe , Henry Fuchs

Traditional MVS methods have good accuracy but struggle with completeness, while recently developed learning-based multi-view stereo (MVS) techniques have improved completeness except accuracy being compromised. We propose depth…

计算机视觉与模式识别 · 计算机科学 2023-06-13 Nail Ibrahimli , Hugo Ledoux , Julian Kooij , Liangliang Nan

In this paper, we present a novel recurrent multi-view stereo network based on long short-term memory (LSTM) with adaptive aggregation, namely AA-RMVSNet. We firstly introduce an intra-view aggregation module to adaptively extract image…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Zizhuang Wei , Qingtian Zhu , Chen Min , Yisong Chen , Guoping Wang

Multi-view stereo (MVS) is a crucial task for precise 3D reconstruction. Most recent studies tried to improve the performance of matching cost volume in MVS by designing aggregated 3D cost volumes and their regularization. This paper…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Khang Truong Giang , Soohwan Song , Sungho Jo

Recovering the 3D geometric structure of a face from a single input image is a challenging active research area in computer vision. In this paper, we present a novel method for reconstructing 3D heads from a single or multiple image(s)…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Oussema Bouafif , Bogdan Khomutenko , Mohamed Daoudi

Accurate recovery of 3D geometrical surfaces from calibrated 2D multi-view images is a fundamental yet active research area in computer vision. Despite the steady progress in multi-view stereo reconstruction, most existing methods are still…

计算机视觉与模式识别 · 计算机科学 2016-01-20 Zhaoxin Li , Kuanquan Wang , Wangmeng Zuo , Deyu Meng , Lei Zhang

In deep multi-view stereo networks, cost regularization is crucial to achieve accurate depth estimation. Since 3D cost volume filtering is usually memory-consuming, recurrent 2D cost map regularization has recently become popular and has…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Qingshan Xu , Martin R. Oswald , Wenbing Tao , Marc Pollefeys , Zhaopeng Cui

Recent advances in neural implicit surfaces for multi-view 3D reconstruction primarily focus on improving large-scale surface reconstruction accuracy, but often produce over-smoothed geometries that lack fine surface details. To address…

计算机视觉与模式识别 · 计算机科学 2023-02-15 Erich Liang , Kenan Deng , Xi Zhang , Chun-Kai Wang

Generative deep learning has sparked a new wave of Super-Resolution (SR) algorithms that enhance single images with impressive aesthetic results, albeit with imaginary details. Multi-frame Super-Resolution (MFSR) offers a more grounded…

Deep multi-view stereo (MVS) methods have been developed and extensively compared on simple datasets, where they now outperform classical approaches. In this paper, we ask whether the conclusions reached in controlled scenarios are still…

计算机视觉与模式识别 · 计算机科学 2022-01-28 François Darmon , Bénédicte Bascle , Jean-Clément Devaux , Pascal Monasse , Mathieu Aubry

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

GigaMVS presents several challenges to existing Multi-View Stereo (MVS) algorithms for its large scale, complex occlusions, and gigapixel images. To address these problems, we first apply one of the state-of-the-art learning-based MVS…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Chenjie Cao , Xinlin Ren , Xiangyang Xue , Yanwei Fu

The success of existing deep-learning based multi-view stereo (MVS) approaches greatly depends on the availability of large-scale supervision in the form of dense depth maps. Such supervision, while not always possible, tends to hinder the…

计算机视觉与模式识别 · 计算机科学 2019-09-02 Yuchao Dai , Zhidong Zhu , Zhibo Rao , Bo Li

Significant strides have been made in enhancing the accuracy of Multi-View Stereo (MVS)-based 3D reconstruction. However, untextured areas with unstable photometric consistency often remain incompletely reconstructed. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Rongxuan Tan , Qing Wang , Xueyan Wang , Chao Yan , Yang Sun , Youyang Feng

Learning-based multi-view stereo (MVS) methods have demonstrated promising results. However, very few existing networks explicitly take the pixel-wise visibility into consideration, resulting in erroneous cost aggregation from occluded…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Jingyang Zhang , Yao Yao , Shiwei Li , Zixin Luo , Tian Fang

Recently, Transformers were shown to enhance the performance of multi-view stereo by enabling long-range feature interaction. In this work, we propose Window-based Transformers (WT) for local feature matching and global feature aggregation…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Jinli Liao , Yikang Ding , Yoli Shavit , Dihe Huang , Shihao Ren , Jia Guo , Wensen Feng , Kai Zhang

We introduce a method for novel view synthesis given only a single wide-baseline stereo image pair. In this challenging regime, 3D scene points are regularly observed only once, requiring prior-based reconstruction of scene geometry and…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Yilun Du , Cameron Smith , Ayush Tewari , Vincent Sitzmann

The reconstruction of textureless areas has long been a challenging problem in MVS due to lack of reliable pixel correspondences between images. In this paper, we propose the Textureless-aware Segmentation And Correlative Refinement guided…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Zhenlong Yuan , Jiakai Cao , Zhaoqi Wang , Zhaoxin Li

We propose an online multi-view depth prediction approach on posed video streams, where the scene geometry information computed in the previous time steps is propagated to the current time step in an efficient and geometrically plausible…

计算机视觉与模式识别 · 计算机科学 2021-07-23 Arda Düzçeker , Silvano Galliani , Christoph Vogel , Pablo Speciale , Mihai Dusmanu , Marc Pollefeys

In this work, we propose a deep learning approach for parallel magnetic resonance imaging (MRI) reconstruction, termed a variable splitting network (VS-Net), for an efficient, high-quality reconstruction of undersampled multi-coil MR data.…

图像与视频处理 · 电气工程与系统科学 2019-07-24 Jinming Duan , Jo Schlemper , Chen Qin , Cheng Ouyang , Wenjia Bai , Carlo Biffi , Ghalib Bello , Ben Statton , Declan P O'Regan , Daniel Rueckert