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We consider the problem of simultaneously estimating a dense depth map and camera pose for a large set of images of an indoor scene. While classical SfM pipelines rely on a two-step approach where cameras are first estimated using a bundle…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Benjamin Graham , David Novotny

Monocular depth estimation aims at estimating a pixelwise depth map for a single image, which has wide applications in scene understanding and autonomous driving. Existing supervised and unsupervised methods face great challenges.…

Computer Vision and Pattern Recognition · Computer Science 2018-08-21 Xiaoyang Guo , Hongsheng Li , Shuai Yi , Jimmy Ren , Xiaogang Wang

We propose a deep reparametrization of the maximum a posteriori formulation commonly employed in multi-frame image restoration tasks. Our approach is derived by introducing a learned error metric and a latent representation of the target…

Image and Video Processing · Electrical Eng. & Systems 2021-08-19 Goutam Bhat , Martin Danelljan , Fisher Yu , Luc Van Gool , Radu Timofte

The development of aerial autonomy has enabled aerial robots to fly agilely in complex environments. However, dodging fast-moving objects in flight remains a challenge, limiting the further application of unmanned aerial vehicles (UAVs).…

Robotics · Computer Science 2021-03-12 Botao He , Haojia Li , Siyuan Wu , Dong Wang , Zhiwei Zhang , Qianli Dong , Chao Xu , Fei Gao

We present a self-supervised learning framework to estimate the individual object motion and monocular depth from video. We model the object motion as a 6 degree-of-freedom rigid-body transformation. The instance segmentation mask is…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Qi Dai , Vaishakh Patil , Simon Hecker , Dengxin Dai , Luc Van Gool , Konrad Schindler

This paper presents a novel extended dynamic programming approach for energy minimization (EDP) to solve the correspondence problem for stereo and motion. A significant speedup is achieved using a recursive minimum search strategy (RMS).…

Computer Vision and Pattern Recognition · Computer Science 2014-10-30 Mikhail G. Mozerov

Modern large displacement optical flow algorithms usually use an initialization by either sparse descriptor matching techniques or dense approximate nearest neighbor fields. While the latter have the advantage of being dense, they have the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-30 Christian Bailer , Bertram Taetz , Didier Stricker

Computational stereo has reached a high level of accuracy, but degrades in the presence of occlusions, repeated textures, and correspondence errors along edges. We present a novel approach based on neural networks for depth estimation that…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Yinda Zhang , Neal Wadhwa , Sergio Orts-Escolano , Christian Häne , Sean Fanello , Rahul Garg

Stereo matching is one of the widely used techniques for inferring depth from stereo images owing to its robustness and speed. It has become one of the major topics of research since it finds its applications in autonomous driving, robotic…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Viny Saajan Victor , Peter Neigel

Learning single image depth estimation model from monocular video sequence is a very challenging problem. In this paper, we propose a novel training loss which enables us to include more images for supervision during the training process.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Zhenwei Luo

Modern day multimedia content generation and dissemination is moving towards the presentation of more and more `realistic' scenarios. The switch from 2-dimensional (2D) to 3-dimensional (3D) has been a major driving force in that direction.…

Computer Vision and Pattern Recognition · Computer Science 2019-05-16 Asra Aslam , Mohd. Samar Ansari

Self-supervised multi-frame monocular depth estimation relies on the geometric consistency between successive frames under the assumption of a static scene. However, the presence of moving objects in dynamic scenes introduces inevitable…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Sungmin Woo , Wonjoon Lee , Woo Jin Kim , Dogyoon Lee , Sangyoun Lee

The problem of tracking self-motion as well as motion of objects in the scene using information from a camera is known as multi-body visual odometry and is a challenging task. This paper proposes a robust solution to achieve accurate…

Robotics · Computer Science 2020-07-29 Jun Zhang , Mina Henein , Robert Mahony , Viorela Ila

Feature matching is a challenging computer vision task that involves finding correspondences between two images of a 3D scene. In this paper we consider the dense approach instead of the more common sparse paradigm, thus striving to find…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Johan Edstedt , Ioannis Athanasiadis , Mårten Wadenbäck , Michael Felsberg

Recent convolutional neural networks, especially end-to-end disparity estimation models, achieve remarkable performance on stereo matching task. However, existed methods, even with the complicated cascade structure, may fail in the regions…

Computer Vision and Pattern Recognition · Computer Science 2018-09-25 Xiao Song , Xu Zhao , Hanwen Hu , Liangji Fang

Real time outdoor navigation in highly dynamic environments is an crucial problem. The recent literature on real time static SLAM don't scale up to dynamic outdoor environments. Most of these methods assume moving objects as outliers or…

Computer Vision and Pattern Recognition · Computer Science 2016-08-04 N Dinesh Reddy , Iman Abbasnejad , Sheetal Reddy , Amit Kumar Mondal , Vindhya Devalla

Monocular depth inference has gained tremendous attention from researchers in recent years and remains as a promising replacement for expensive time-of-flight sensors, but issues with scale acquisition and implementation overhead still…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Kenny Chen , Alexandra Pogue , Brett T. Lopez , Ali-akbar Agha-mohammadi , Ankur Mehta

For ego-motion estimation, the feature representation of the scenes is crucial. Previous methods indicate that both the low-level and semantic feature-based methods can achieve promising results. Therefore, the incorporation of hierarchical…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Xiaochuan Yin , Chengju Liu

The area of computer vision is one of the most discussed topics amongst many scholars, and stereo matching is its most important sub fields. After the parallax map is transformed into a depth map, it can be applied to many intelligent…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Hewei Wang , Muhammad Salman Pathan , Soumyabrata Dev

Portraits or selfie images taken from a close distance typically suffer from perspective distortion. In this paper, we propose an end-to-end deep learning-based rectification pipeline to mitigate the effects of perspective distortion. We…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Ahmed Alhawwary , Janne Mustaniemi , Phong Nguyen-Ha , Janne Heikkilä
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