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Neural networks have shown great abilities in estimating depth from a single image. However, the inferred depth maps are well below one-megapixel resolution and often lack fine-grained details, which limits their practicality. Our method…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 S. Mahdi H. Miangoleh , Sebastian Dille , Long Mai , Sylvain Paris , Yağız Aksoy

Self-supervised learning for depth estimation uses geometry in image sequences for supervision and shows promising results. Like many computer vision tasks, depth network performance is determined by the capability to learn accurate spatial…

Computer Vision and Pattern Recognition · Computer Science 2021-11-22 Hang Zhou , David Greenwood , Sarah Taylor

With the advent of Neural Radiance Fields (NeRF), neural networks can now render novel views of a 3D scene with quality that fools the human eye. Yet, generating these images is very computationally intensive, limiting their applicability…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 Daniel Rebain , Wei Jiang , Soroosh Yazdani , Ke Li , Kwang Moo Yi , Andrea Tagliasacchi

Neural radiance fields (NeRFs) have shown impressive results for novel view synthesis. However, they depend on the repetitive use of a single-input single-output multilayer perceptron (SISO MLP) that maps 3D coordinates and view direction…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Takuhiro Kaneko

We present a robust and accurate depth refinement system, named GeoRefine, for geometrically-consistent dense mapping from monocular sequences. GeoRefine consists of three modules: a hybrid SLAM module using learning-based priors, an online…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Pan Ji , Qingan Yan , Yuxin Ma , Yi Xu

Neural radiance fields (NeRF) bring a new wave for 3D interactive experiences. However, as an important part of the immersive experiences, the defocus effects have not been fully explored within NeRF. Some recent NeRF-based methods generate…

Computer Vision and Pattern Recognition · Computer Science 2022-08-11 Yinhuai Wang , Shuzhou Yang , Yujie Hu , Jian Zhang

Monocular Depth Estimation (MDE) is a fundamental computer vision task with important applications in 3D vision. The current mainstream MDE methods employ an encoder-decoder architecture with multi-level/scale feature processing. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Huibin Bai , Shuai Li , Hanxiao Zhai , Yanbo Gao , Chong Lv , Yibo Wang , Haipeng Ping , Wei Hua , Xingyu Gao

A commonly observed failure mode of Neural Radiance Field (NeRF) is fitting incorrect geometries when given an insufficient number of input views. One potential reason is that standard volumetric rendering does not enforce the constraint…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Kangle Deng , Andrew Liu , Jun-Yan Zhu , Deva Ramanan

While Neural Radiance Fields (NeRFs) had achieved unprecedented novel view synthesis results, they have been struggling in dealing with large-scale cluttered scenes with sparse input views and highly view-dependent appearances.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Xinhang Liu , Yu-Wing Tai , Chi-Keung Tang

Neural rendering has garnered substantial attention owing to its capacity for creating realistic 3D scenes. However, its applicability to extensive scenes remains challenging, with limitations in effectiveness. In this work, we propose the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Zhihao Jia , Bing Wang , Changhao Chen

Monocular depth estimation and defocus estimation are two fundamental tasks in computer vision. Most existing methods treat depth estimation and defocus estimation as two separate tasks, ignoring the strong connection between them. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Renzhi He , Hualin Hong , Boya Fu , Fei Liu

Neural Radiance Fields (NeRF) methods excel at 3D reconstruction from multiple 2D images, even those taken with unknown camera poses. However, they still miss the fine-detailed structures that matter in industrial inspection, e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Jong-Ik Park , Carlee Joe-Wong , Gary K. Fedder

Recently, convolutional neural networks (CNNs) have shown great success on the task of monocular depth estimation. A fundamental yet unanswered question is: how CNNs can infer depth from a single image. Toward answering this question, we…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Junjie Hu , Yan Zhang , Takayuki Okatani

Dense and accurate 3D mapping from a monocular sequence is a key technology for several applications and still an open research area. This paper leverages recent results on single-view CNN-based depth estimation and fuses them with…

Computer Vision and Pattern Recognition · Computer Science 2017-06-28 José M. Fácil , Alejo Concha , Luis Montesano , Javier Civera

Monocular depth estimation aims at predicting depth from a single image or video. Recently, self-supervised methods draw much attention since they are free of depth annotations and achieve impressive performance on several daytime…

Computer Vision and Pattern Recognition · Computer Science 2021-08-16 Kun Wang , Zhenyu Zhang , Zhiqiang Yan , Xiang Li , Baobei Xu , Jun Li , Jian Yang

In this paper, we propose MINE to perform novel view synthesis and depth estimation via dense 3D reconstruction from a single image. Our approach is a continuous depth generalization of the Multiplane Images (MPI) by introducing the NEural…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Jiaxin Li , Zijian Feng , Qi She , Henghui Ding , Changhu Wang , Gim Hee Lee

We present a Bayesian Neural Radiance Field (NeRF), which explicitly quantifies uncertainty in the volume density by modeling uncertainty in the occupancy, without the need for additional networks, making it particularly suited for…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Sibeak Lee , Kyeongsu Kang , Seongbo Ha , Hyeonwoo Yu

The ability to accurately estimate depth information is crucial for many autonomous applications to recognize the surrounded environment and predict the depth of important objects. One of the most recently used techniques is monocular depth…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Ahmed Zaitoon , Hossam El Din Abd El Munim , Hazem Abbas

In the current monocular depth research, the dominant approach is to employ unsupervised training on large datasets, driven by warped photometric consistency. Such approaches lack robustness and are unable to generalize to challenging…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Jaime Spencer , Richard Bowden , Simon Hadfield

Neural radiance fields (NeRFs) produce state-of-the-art view synthesis results. However, they are slow to render, requiring hundreds of network evaluations per pixel to approximate a volume rendering integral. Baking NeRFs into explicit…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Benjamin Attal , Jia-Bin Huang , Michael Zollhoefer , Johannes Kopf , Changil Kim