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Learning accurate depth is essential to multi-view 3D object detection. Recent approaches mainly learn depth from monocular images, which confront inherent difficulties due to the ill-posed nature of monocular depth learning. Instead of…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Zengran Wang , Chen Min , Zheng Ge , Yinhao Li , Zeming Li , Hongyu Yang , Di Huang

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

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

In this work, we present a new multi-view depth estimation method that utilizes both conventional reconstruction and learning-based priors over the recently proposed neural radiance fields (NeRF). Unlike existing neural network based…

计算机视觉与模式识别 · 计算机科学 2021-10-06 Yi Wei , Shaohui Liu , Yongming Rao , Wang Zhao , Jiwen Lu , Jie Zhou

Learning-based Multi-View Stereo (MVS) methods warp source images into the reference camera frustum to form 3D volumes, which are fused as a cost volume to be regularized by subsequent networks. The fusing step plays a vital role in…

计算机视觉与模式识别 · 计算机科学 2022-04-18 Xiaofeng Wang , Zheng Zhu , Fangbo Qin , Yun Ye , Guan Huang , Xu Chi , Yijia He , Xingang Wang

Efficient and accurate 3D reconstruction is crucial for various applications, including augmented and virtual reality, medical imaging, and cinematic special effects. While traditional Multi-View Stereo (MVS) systems have been fundamental…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Umair Haroon , Ahmad AlMughrabi , Ricardo Marques , Petia Radeva

Self-supervised Multi-view stereo (MVS) with a pretext task of image reconstruction has achieved significant progress recently. However, previous methods are built upon intuitions, lacking comprehensive explanations about the effectiveness…

计算机视觉与模式识别 · 计算机科学 2021-09-09 Hongbin Xu , Zhipeng Zhou , Yali Wang , Wenxiong Kang , Baigui Sun , Hao Li , Yu Qiao

We present IterMVS, a new data-driven method for high-resolution multi-view stereo. We propose a novel GRU-based estimator that encodes pixel-wise probability distributions of depth in its hidden state. Ingesting multi-scale matching…

计算机视觉与模式识别 · 计算机科学 2021-12-10 Fangjinhua Wang , Silvano Galliani , Christoph Vogel , Marc Pollefeys

There has recently been great interest in neural rendering methods. Some approaches use 3D geometry reconstructed with Multi-View Stereo (MVS) but cannot recover from the errors of this process, while others directly learn a volumetric…

计算机视觉与模式识别 · 计算机科学 2021-09-09 Georgios Kopanas , Julien Philip , Thomas Leimkühler , George Drettakis

In this paper we present ActiveStereoNet, the first deep learning solution for active stereo systems. Due to the lack of ground truth, our method is fully self-supervised, yet it produces precise depth with a subpixel precision of $1/30th$…

Learning-based multi-view stereo (MVS) method heavily relies on feature matching, which requires distinctive and descriptive representations. An effective solution is to apply non-local feature aggregation, e.g., Transformer. Albeit useful,…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Tianqi Liu , Xinyi Ye , Weiyue Zhao , Zhiyu Pan , Min Shi , Zhiguo Cao

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

To obtain high-resolution depth maps, some previous learning-based multi-view stereo methods build a cost volume pyramid in a coarse-to-fine manner. These approaches leverage fixed depth range hypotheses to construct cascaded plane sweep…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Puyuan Yi , Shengkun Tang , Jian Yao

Multi-task approaches to joint depth and segmentation prediction are well-studied for monocular images. Yet, predictions from a single-view are inherently limited, while multiple views are available in many robotics applications. On the…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Mykhailo Shvets , Dongxu Zhao , Marc Niethammer , Roni Sengupta , Alexander C. Berg

Recent advancements in learning-based Multi-View Stereo (MVS) methods have prominently featured transformer-based models with attention mechanisms. However, existing approaches have not thoroughly investigated the profound influence of…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Chenjie Cao , Xinlin Ren , Yanwei 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

Multi-view photometric stereo (MVPS) is a preferred method for detailed and precise 3D acquisition of an object from images. Although popular methods for MVPS can provide outstanding results, they are often complex to execute and limited to…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Berk Kaya , Suryansh Kumar , Carlos Oliveira , Vittorio Ferrari , Luc Van Gool

Deep learning based 3D shape generation methods generally utilize latent features extracted from color images to encode the semantics of objects and guide the shape generation process. These color image semantics only implicitly encode 3D…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Rakesh Shrestha , Zhiwen Fan , Qingkun Su , Zuozhuo Dai , Siyu Zhu , Ping Tan

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

Deep learning has recently demonstrated its excellent performance on the task of multi-view stereo (MVS). However, loss functions applied for deep MVS are rarely studied. In this paper, we first analyze existing loss functions' properties…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Qinglu Min , Jie Zhao , Zhihao Zhang , Chen Min