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Dense depth maps have been used as a key element of visual perception tasks. There have been tremendous efforts to enhance the depth quality, ranging from optimization-based to learning-based methods. Despite the remarkable progress for a…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Jin-Hwi Park , Chanhwi Jeong , Junoh Lee , Hae-Gon Jeon

Depth from defocus and defocus deblurring from a single image are two challenging problems that are derived from the finite depth of field in conventional cameras. Coded aperture imaging is one of the techniques that is used for improving…

计算机视觉与模式识别 · 计算机科学 2016-03-15 Mina Masoudifar , Hamid Reza Pourreza

We present a novel method for predicting accurate depths from monocular images with high efficiency. This optimal efficiency is achieved by exploiting wavelet decomposition, which is integrated in a fully differentiable encoder-decoder…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Michaël Ramamonjisoa , Michael Firman , Jamie Watson , Vincent Lepetit , Daniyar Turmukhambetov

Scene depth estimation from stereo and monocular imagery is critical for extracting 3D information for downstream tasks such as scene understanding. Recently, learning-based methods for depth estimation have received much attention due to…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Zhaoshuo Li , Nathan Drenkow , Hao Ding , Andy S. Ding , Alexander Lu , Francis X. Creighton , Russell H. Taylor , Mathias Unberath

We present an unsupervised simultaneous learning framework for the task of monocular camera re-localization and depth estimation from unlabeled video sequences. Monocular camera re-localization refers to the task of estimating the absolute…

计算机视觉与模式识别 · 计算机科学 2022-03-25 Shun Taguchi , Noriaki Hirose

Obtaining accurate depth measurements out of a single image represents a fascinating solution to 3D sensing. CNNs led to considerable improvements in this field, and recent trends replaced the need for ground-truth labels with…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Matteo Poggi , Fabio Tosi , Stefano Mattoccia

Transformers are increasingly prevalent for multi-view computer vision tasks, where geometric relationships between viewpoints are critical for 3D perception. To leverage these relationships, multi-view transformers must use camera geometry…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Ruilong Li , Brent Yi , Junchen Liu , Hang Gao , Yi Ma , Angjoo Kanazawa

We present an unsupervised learning framework for the task of monocular depth and camera motion estimation from unstructured video sequences. We achieve this by simultaneously training depth and camera pose estimation networks using the…

计算机视觉与模式识别 · 计算机科学 2017-08-02 Tinghui Zhou , Matthew Brown , Noah Snavely , David G. Lowe

Absolute camera pose regressors estimate the position and orientation of a camera given the captured image alone. Typically, a convolutional backbone with a multi-layer perceptron (MLP) head is trained using images and pose labels to embed…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Yoli Shavit , Ron Ferens , Yosi Keller

Absolute camera pose regressors estimate the position and orientation of a camera from the captured image alone. Typically, a convolutional backbone with a multi-layer perceptron head is trained with images and pose labels to embed a single…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Yoli Shavit , Ron Ferens , Yosi Keller

Monocular depth estimation is an important step in many downstream tasks in machine vision. We address the topic of estimating monocular depth from defocus blur which can yield more accurate results than the semantic based depth estimation…

计算机视觉与模式识别 · 计算机科学 2023-11-23 Lahiru Wijayasingha , Homa Alemzadeh , John A. Stankovic

Monocular 3D human pose and shape estimation is an inherently ill-posed problem due to depth ambiguities, occlusions, and truncations. Recent probabilistic approaches learn a distribution over plausible 3D human meshes by maximizing the…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Tom Wehrbein , Marco Rudolph , Bodo Rosenhahn , Bastian Wandt

Recent advances in deep pose estimation models have proven to be effective in a wide range of applications such as health monitoring, sports, animations, and robotics. However, pose estimation models fail to generalize when facing images…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Vandad Davoodnia , Saeed Ghorbani , Ali Etemad

Depth estimation is usually ill-posed and ambiguous for monocular camera-based 3D multi-person pose estimation. Since LiDAR can capture accurate depth information in long-range scenes, it can benefit both the global localization of…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Peishan Cong , Yiteng Xu , Yiming Ren , Juze Zhang , Lan Xu , Jingya Wang , Jingyi Yu , Yuexin Ma

Monocular depth estimation is a critical task for autonomous driving and many other computer vision applications. While significant progress has been made in this field, the effects of viewpoint shifts on depth estimation models remain…

Vision-based monocular human pose estimation, as one of the most fundamental and challenging problems in computer vision, aims to obtain posture of the human body from input images or video sequences. The recent developments of deep…

计算机视觉与模式识别 · 计算机科学 2020-06-03 Yucheng Chen , Yingli Tian , Mingyi He

Camera pose estimation is a key step in standard 3D reconstruction pipelines that operate on a dense set of images of a single object or scene. However, methods for pose estimation often fail when only a few images are available because…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Samarth Sinha , Jason Y. Zhang , Andrea Tagliasacchi , Igor Gilitschenski , David B. Lindell

Monocular depth estimation is a challenging task that predicts the pixel-wise depth from a single 2D image. Current methods typically model this problem as a regression or classification task. We propose DiffusionDepth, a new approach that…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Yiqun Duan , Xianda Guo , Zheng Zhu

With the development of computational intelligence algorithms, unsupervised monocular depth and pose estimation framework, which is driven by warped photometric consistency, has shown great performance in the daytime scenario. While in some…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Chaoqiang Zhao , Yang Tang , Qiyu Sun

Purpose: Surgical scene understanding plays a critical role in the technology stack of tomorrow's intervention-assisting systems in endoscopic surgeries. For this, tracking the endoscope pose is a key component, but remains challenging due…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Michel Hayoz , Christopher Hahne , Mathias Gallardo , Daniel Candinas , Thomas Kurmann , Maximilian Allan , Raphael Sznitman