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3D object detection from monocular images has proven to be an enormously challenging task, with the performance of leading systems not yet achieving even 10\% of that of LiDAR-based counterparts. One explanation for this performance gap is…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Thomas Roddick , Alex Kendall , Roberto Cipolla

The bundle of geometry and appearance in computer vision has proven to be a promising solution for robots across a wide variety of applications. Stereo cameras and RGB-D sensors are widely used to realise fast 3D reconstruction and…

计算机视觉与模式识别 · 计算机科学 2016-11-15 Xuanpeng Li , Rachid Belaroussi

In this paper, we address the problem of monocular depth estimation when only a limited number of training image-depth pairs are available. To achieve a high regression accuracy, the state-of-the-art estimation methods rely on CNNs trained…

计算机视觉与模式识别 · 计算机科学 2019-08-07 Rongrong Ji , Ke Li , Yan Wang , Xiaoshuai Sun , Feng Guo , Xiaowei Guo , Yongjian Wu , Feiyue Huang , Jiebo Luo

Although both self-supervised single-frame and multi-frame depth estimation methods only require unlabeled monocular videos for training, the information they leverage varies because single-frame methods mainly rely on appearance-based…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Jie Xiang , Yun Wang , Lifeng An , Haiyang Liu , Jian Liu

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

In the field of monocular depth estimation (MDE), many models with excellent zero-shot performance in general scenes emerge recently. However, these methods often fail in predicting non-Lambertian surfaces, such as transparent or mirror…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Junrui Zhang , Jiaqi Li , Yachuan Huang , Yiran Wang , Jinghong Zheng , Liao Shen , Zhiguo Cao

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

This paper addresses the task of zero-shot image classification. The key contribution of the proposed approach is to control the semantic embedding of images -- one of the main ingredients of zero-shot learning -- by formulating it as a…

计算机视觉与模式识别 · 计算机科学 2016-07-28 Maxime Bucher , Stéphane Herbin , Frédéric Jurie

Monocular cameras are one of the most commonly used sensors in the automotive industry for autonomous vehicles. One major drawback using a monocular camera is that it only makes observations in the two dimensional image plane and can not…

计算机视觉与模式识别 · 计算机科学 2018-02-28 Samuel Scheidegger , Joachim Benjaminsson , Emil Rosenberg , Amrit Krishnan , Karl Granstrom

Self-supervised learning for monocular depth estimation is widely investigated as an alternative to supervised learning approach, that requires a lot of ground truths. Previous works have successfully improved the accuracy of depth…

计算机视觉与模式识别 · 计算机科学 2020-11-25 Noriaki Hirose , Shun Taguchi , Keisuke Kawano , Satoshi Koide

Learning to predict scene depth from RGB inputs is a challenging task both for indoor and outdoor robot navigation. In this work we address unsupervised learning of scene depth and robot ego-motion where supervision is provided by monocular…

计算机视觉与模式识别 · 计算机科学 2018-11-16 Vincent Casser , Soeren Pirk , Reza Mahjourian , Anelia Angelova

3D plane reconstruction from a single image is a crucial yet challenging topic in 3D computer vision. Previous state-of-the-art (SOTA) methods have focused on training their system on a single dataset from either indoor or outdoor domain,…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Jiachen Liu , Rui Yu , Sili Chen , Sharon X. Huang , Hengkai Guo

This paper presents a probabilistic approach for online dense reconstruction using a single monocular camera moving through the environment. Compared to spatial stereo, depth estimation from motion stereo is challenging due to insufficient…

机器人学 · 计算机科学 2019-03-27 Yonggen Ling , Kaixuan Wang , Shaojie Shen

Monocular 3D object detection poses a significant challenge due to the lack of depth information in RGB images. Many existing methods strive to enhance the object depth estimation performance by allocating additional parameters for object…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Wonhyeok Choi , Mingyu Shin , Sunghoon Im

Photorealistic 3-D reconstruction from monocular video collapses in large-scale scenes when depth, pose, and radiance are solved in isolation: scale-ambiguous depth yields ghost geometry, long-horizon pose drift corrupts alignment, and a…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Shahram Najam Syed , Yitian Hu , Yuchao Yao

3D object detection is a fundamental and challenging task for 3D scene understanding, and the monocular-based methods can serve as an economical alternative to the stereo-based or LiDAR-based methods. However, accurately detecting objects…

计算机视觉与模式识别 · 计算机科学 2022-01-27 Zhiyu Chong , Xinzhu Ma , Hong Zhang , Yuxin Yue , Haojie Li , Zhihui Wang , Wanli Ouyang

Vision-based depth estimation is a key feature in autonomous systems, which often relies on a single camera or several independent ones. In such a monocular setup, dense depth is obtained with either additional input from one or several…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Florent Bartoccioni , Éloi Zablocki , Patrick Pérez , Matthieu Cord , Karteek Alahari

This paper proposes a self-supervised monocular image-to-depth prediction framework that is trained with an end-to-end photometric loss that handles not only 6-DOF camera motion but also 6-DOF moving object instances. Self-supervision is…

计算机视觉与模式识别 · 计算机科学 2022-08-10 Houssem Boulahbal , Adrian Voicila , Andrew Comport

Structure from Motion (SfM) often fails to estimate accurate poses in environments that lack suitable visual features. In such cases, the quality of the final 3D mesh, which is contingent on the accuracy of those estimates, is reduced. One…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Victor Amblard , Timothy P. Osedach , Arnaud Croux , Andrew Speck , John J. Leonard

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