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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

In this paper, we present a system for incrementally reconstructing a dense 3D model of the geometry of an outdoor environment using a single monocular camera attached to a moving vehicle. Dense models provide a rich representation of the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Louis Gallagher , Varun Ravi Kumar , Senthil Yogamani , John B. McDonald

Self-supervised monocular depth and ego-motion estimation is a promising approach to replace or supplement expensive depth sensors such as LiDAR for robotics applications like autonomous driving. However, most research in this area focuses…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Vitor Guizilini , Igor Vasiljevic , Rares Ambrus , Greg Shakhnarovich , Adrien Gaidon

Self-supervised deep learning methods have leveraged stereo images for training monocular depth estimation. Although these methods show strong results on outdoor datasets such as KITTI, they do not match performance of supervised methods on…

Computer Vision and Pattern Recognition · Computer Science 2021-06-28 Benjamin Keltjens , Tom van Dijk , Guido de Croon

3D object detection from monocular images is an ill-posed problem due to the projective entanglement of depth and scale. To overcome this ambiguity, we present a novel self-supervised method for textured 3D shape reconstruction and pose…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Deniz Beker , Hiroharu Kato , Mihai Adrian Morariu , Takahiro Ando , Toru Matsuoka , Wadim Kehl , Adrien Gaidon

Monocular metric depth estimation (MMDE) is a crucial task to solve for indoor scene reconstruction on edge devices. Despite this importance, existing models are sensitive to factors such as boundary frequency of objects in the scene and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Sanghyun Byun , Jacob Song , Woo Seong Chung

Self-supervised monocular methods can efficiently learn depth information of weakly textured surfaces or reflective objects. However, the depth accuracy is limited due to the inherent ambiguity in monocular geometric modeling. In contrast,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Xiaofeng Wang , Zheng Zhu , Guan Huang , Xu Chi , Yun Ye , Ziwei Chen , Xingang Wang

We present a generalised self-supervised learning approach for monocular estimation of the real depth across scenes with diverse depth ranges from 1--100s of meters. Existing supervised methods for monocular depth estimation require…

Computer Vision and Pattern Recognition · Computer Science 2020-04-15 Mertalp Ocal , Armin Mustafa

We present a method for jointly training the estimation of depth, ego-motion, and a dense 3D translation field of objects relative to the scene, with monocular photometric consistency being the sole source of supervision. We show that this…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Hanhan Li , Ariel Gordon , Hang Zhao , Vincent Casser , Anelia Angelova

Per-pixel ground-truth depth data is challenging to acquire at scale. To overcome this limitation, self-supervised learning has emerged as a promising alternative for training models to perform monocular depth estimation. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Clément Godard , Oisin Mac Aodha , Michael Firman , Gabriel Brostow

Monocular 3D object detection has long been a challenging task in autonomous driving. Most existing methods follow conventional 2D detectors to first localize object centers, and then predict 3D attributes by neighboring features. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Renrui Zhang , Han Qiu , Tai Wang , Ziyu Guo , Yiwen Tang , Xuanzhuo Xu , Ziteng Cui , Yu Qiao , Peng Gao , Hongsheng Li

We present an algorithm for estimating consistent dense depth maps and camera poses from a monocular video. We integrate a learning-based depth prior, in the form of a convolutional neural network trained for single-image depth estimation,…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Johannes Kopf , Xuejian Rong , Jia-Bin Huang

Supervised deep learning often suffers from the lack of sufficient training data. Specifically in the context of monocular depth map prediction, it is barely possible to determine dense ground truth depth images in realistic dynamic outdoor…

Computer Vision and Pattern Recognition · Computer Science 2017-05-15 Yevhen Kuznietsov , Jörg Stückler , Bastian Leibe

Self-supervised monocular depth estimation presents a powerful method to obtain 3D scene information from single camera images, which is trainable on arbitrary image sequences without requiring depth labels, e.g., from a LiDAR sensor. In…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Marvin Klingner , Jan-Aike Termöhlen , Jonas Mikolajczyk , Tim Fingscheidt

A new unsupervised learning method of depth and ego-motion using multiple masks from monocular video is proposed in this paper. The depth estimation network and the ego-motion estimation network are trained according to the constraints of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Guangming Wang , Hesheng Wang , Yiling Liu , Weidong Chen

Multi-frame depth estimation improves over single-frame approaches by also leveraging geometric relationships between images via feature matching, in addition to learning appearance-based features. In this paper we revisit feature matching…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Vitor Guizilini , Rares Ambrus , Dian Chen , Sergey Zakharov , Adrien Gaidon

Self-supervised monocular depth estimation methods aim to be used in critical applications such as autonomous vehicles for environment analysis. To circumvent the potential imperfections of these approaches, a quantification of the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Rémi Marsal , Florian Chabot , Angelique Loesch , William Grolleau , Hichem Sahbi

Spatial scene understanding, including monocular depth estimation, is an important problem in various applications, such as robotics and autonomous driving. While improvements in unsupervised monocular depth estimation have potentially…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Hemang Chawla , Arnav Varma , Elahe Arani , Bahram Zonooz

UAVs have become an essential photogrammetric measurement as they are affordable, easily accessible and versatile. Aerial images captured from UAVs have applications in small and large scale texture mapping, 3D modelling, object detection…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Logambal Madhuanand , Francesco Nex , Michael Ying Yang

As a flexible passive 3D sensing means, unsupervised learning of depth from monocular videos is becoming an important research topic. It utilizes the photometric errors between the target view and the synthesized views from its adjacent…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Hualie Jiang , Laiyan Ding , Zhenglong Sun , Rui Huang