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Learning-based multi-view stereo (MVS) has by far centered around 3D convolution on cost volumes. Due to the high computation and memory consumption of 3D CNN, the resolution of output depth is often considerably limited. Different from…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Yifei Shi , Junhua Xi , Dewen Hu , Zhiping Cai , Kai Xu

Multi-view Stereo (MVS) with known camera parameters is essentially a 1D search problem within a valid depth range. Recent deep learning-based MVS methods typically densely sample depth hypotheses in the depth range, and then construct…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Zhenxing Mi , Di Chang , Dan Xu

We present a novel method for multi-view depth estimation from a single video, which is a critical task in various applications, such as perception, reconstruction and robot navigation. Although previous learning-based methods have…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Xiaoxiao Long , Lingjie Liu , Wei Li , Christian Theobalt , Wenping Wang

In this paper, we propose a novel end-to-end deep neural network model for omnidirectional depth estimation from a wide-baseline multi-view stereo setup. The images captured with ultra wide field-of-view (FOV) cameras on an omnidirectional…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Changhee Won , Jongbin Ryu , Jongwoo Lim

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

3D reconstruction has lately attracted increasing attention due to its wide application in many areas, such as autonomous driving, robotics and virtual reality. As a dominant technique in artificial intelligence, deep learning has been…

计算机视觉与模式识别 · 计算机科学 2021-07-30 Qingtian Zhu , Chen Min , Zizhuang Wei , Yisong Chen , Guoping Wang

We introduce Point-MVSNet, a novel point-based deep framework for multi-view stereo (MVS). Distinct from existing cost volume approaches, our method directly processes the target scene as point clouds. More specifically, our method predicts…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Rui Chen , Songfang Han , Jing Xu , Hao Su

In this work, we propose a novel approach to prioritize the depth map computation of multi-view stereo (MVS) to obtain compact 3D point clouds of high quality and completeness at low computational cost. Our prioritization approach operates…

计算机视觉与模式识别 · 计算机科学 2018-03-23 Christian Mostegel , Friedrich Fraundorfer , Horst Bischof

Deep learning has shown to be effective for depth inference in multi-view stereo (MVS). However, the scalability and accuracy still remain an open problem in this domain. This can be attributed to the memory-consuming cost volume…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Qingshan Xu , Wenbing Tao

In this paper, we introduce a deep multi-view stereo (MVS) system that jointly predicts depths, surface normals and per-view confidence maps. The key to our approach is a novel solver that iteratively solves for per-view depth map and…

计算机视觉与模式识别 · 计算机科学 2022-01-20 Wang Zhao , Shaohui Liu , Yi Wei , Hengkai Guo , Yong-Jin Liu

Deep learning has recently demonstrated its excellent performance for multi-view stereo (MVS). However, one major limitation of current learned MVS approaches is the scalability: the memory-consuming cost volume regularization makes the…

计算机视觉与模式识别 · 计算机科学 2019-02-28 Yao Yao , Zixin Luo , Shiwei Li , Tianwei Shen , Tian Fang , Long Quan

While deep learning has recently achieved great success on multi-view stereo (MVS), limited training data makes the trained model hard to be generalized to unseen scenarios. Compared with other computer vision tasks, it is rather difficult…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Yao Yao , Zixin Luo , Shiwei Li , Jingyang Zhang , Yufan Ren , Lei Zhou , Tian Fang , Long Quan

Existing learning-based multi-view stereo (MVS) methods rely on the depth range to build the 3D cost volume and may fail when the range is too large or unreliable. To address this problem, we propose a disparity-based MVS method based on…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Qingsong Yan , Qiang Wang , Kaiyong Zhao , Bo Li , Xiaowen Chu , Fei Deng

The core of Multi-view Stereo(MVS) is the matching process among reference and source pixels. Cost aggregation plays a significant role in this process, while previous methods focus on handling it via CNNs. This may inherit the natural…

计算机视觉与模式识别 · 计算机科学 2023-05-18 Weitao Chen , Hongbin Xu , Zhipeng Zhou , Yang Liu , Baigui Sun , Wenxiong Kang , Xuansong Xie

State-of-the-art video-text retrieval (VTR) methods typically involve fully fine-tuning a pre-trained model (e.g. CLIP) on specific datasets. However, this can result in significant storage costs in practical applications as a separate…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Xiaojie Jin , Bowen Zhang , Weibo Gong , Kai Xu , XueQing Deng , Peng Wang , Zhao Zhang , Xiaohui Shen , Jiashi Feng

Recent sparse multi-view scene reconstruction advances like DUSt3R and MASt3R no longer require camera calibration and camera pose estimation. However, they only process a pair of views at a time to infer pixel-aligned pointmaps. When…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Zhenggang Tang , Yuchen Fan , Dilin Wang , Hongyu Xu , Rakesh Ranjan , Alexander Schwing , Zhicheng Yan

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

Event cameras are neuromorphic vision sensors that record a scene as sparse and asynchronous event streams. Most event-based methods project events into dense frames and process them using conventional vision models, resulting in high…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Bochen Xie , Yongjian Deng , Zhanpeng Shao , Qingsong Xu , Youfu Li

Active research is currently underway to enhance the efficiency of vision transformers (ViTs). Most studies have focused solely on effective token mixers, overlooking the potential relationship with normalization. To boost diverse feature…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Jongseong Bae , Susang Kim , Minsu Cho , Ha Young Kim

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