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Dynamic scenes that contain both object motion and egomotion are a challenge for monocular visual odometry (VO). Another issue with monocular VO is the scale ambiguity, i.e. these methods cannot estimate scene depth and camera motion in…

计算机视觉与模式识别 · 计算机科学 2020-08-31 Hirak J Kashyap , Charless Fowlkes , Jeffrey L Krichmar

A significant weakness of most current deep Convolutional Neural Networks is the need to train them using vast amounts of manu- ally labelled data. In this work we propose a unsupervised framework to learn a deep convolutional neural…

计算机视觉与模式识别 · 计算机科学 2016-08-01 Ravi Garg , Vijay Kumar BG , Gustavo Carneiro , Ian Reid

Unsupervised learning of depth and ego-motion, two fundamental 3D perception tasks, has made significant strides in recent years. However, most methods treat ego-motion as an auxiliary task, either mixing all motion types or excluding…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Mengtan Zhang , Zizhan Guo , Hongbo Zhao , Yi Feng , Zuyi Xiong , Yue Wang , Shaoyi Du , Hanli Wang , Rui Fan

Monocular depth estimation using Convolutional Neural Networks (CNNs) has shown impressive performance in outdoor driving scenes. However, self-supervised learning of indoor depth from monocular sequences is quite challenging for…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Chao Fan , Zhenyu Yin , Yue Li , Feiqing Zhang

Recently, self-supervised learning technology has been applied to calculate depth and ego-motion from monocular videos, achieving remarkable performance in autonomous driving scenarios. One widely adopted assumption of depth and ego-motion…

计算机视觉与模式识别 · 计算机科学 2021-12-16 Shuwei Shao , Zhongcai Pei , Weihai Chen , Wentao Zhu , Xingming Wu , Dianmin Sun , Baochang Zhang

Geometry plays a significant role in monocular 3D object detection. It can be used to estimate object depth by using the perspective projection between object's physical size and 2D projection in the image plane, which can introduce…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Yan Lu , Xinzhu Ma , Lei Yang , Tianzhu Zhang , Yating Liu , Qi Chu , Tong He , Yonghui Li , Wanli Ouyang

Monocular 3D lane detection is essential for autonomous driving, but challenging due to the inherent lack of explicit spatial information. Multi-modal approaches rely on expensive depth sensors, while methods incorporating fully-supervised…

计算机视觉与模式识别 · 计算机科学 2025-07-21 Max van den Hoven , Kishaan Jeeveswaran , Pieter Piscaer , Thijs Wensveen , Elahe Arani , Bahram Zonooz

Existing monocular depth estimation methods have achieved excellent robustness in diverse scenes, but they can only retrieve affine-invariant depth, up to an unknown scale and shift. However, in some video-based scenarios such as video…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Guangkai Xu , Wei Yin , Hao Chen , Chunhua Shen , Kai Cheng , Feng Wu , Feng Zhao

We introduce a way to learn to estimate a scene representation from a single image by predicting a low-dimensional subspace of optical flow for each training example, which encompasses the variety of possible camera and object movement.…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Richard Strong Bowen , Richard Tucker , Ramin Zabih , Noah Snavely

Recent work in unsupervised multi-object segmentation shows impressive results by predicting motion from a single image despite the inherent ambiguity in predicting motion without the next image. On the other hand, the set of possible…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Sadra Safadoust , Fatma Güney

We focus on estimating the 3D orientation of the ground plane from a single image. We formulate the problem as an inter-mingled multi-task prediction problem by jointly optimizing for pixel-wise surface normal direction, ground plane…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Yunze Man , Xinshuo Weng , Xi Li , Kris Kitani

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…

计算机视觉与模式识别 · 计算机科学 2021-11-22 Hang Zhou , David Greenwood , Sarah Taylor

In this paper, we propose a geometric neural network with edge-aware refinement (GeoNet++) to jointly predict both depth and surface normal maps from a single image. Building on top of two-stream CNNs, GeoNet++ captures the geometric…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Xiaojuan Qi , Zhengzhe Liu , Renjie Liao , Philip H. S. Torr , Raquel Urtasun , Jiaya Jia

Recent advances in self-supervised learning havedemonstrated that it is possible to learn accurate monoculardepth reconstruction from raw video data, without using any 3Dground truth for supervision. However, in robotics…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Robert McCraith , Lukas Neumann , Andrew Zisserman , Andrea Vedaldi

We study the problem of unsupervised physical object discovery. While existing frameworks aim to decompose scenes into 2D segments based off each object's appearance, we explore how physics, especially object interactions, facilitates…

计算机视觉与模式识别 · 计算机科学 2021-03-24 Yilun Du , Kevin Smith , Tomer Ulman , Joshua Tenenbaum , Jiajun Wu

In this paper, we propose a learning-based method for predicting dense depth values of a scene from a monocular omnidirectional image. An omnidirectional image has a full field-of-view, providing much more complete descriptions of the scene…

计算机视觉与模式识别 · 计算机科学 2022-02-09 Jiayang Bai , Shuichang Lai , Haoyu Qin , Jie Guo , Yanwen Guo

Learning-based, single-view depth estimation often generalizes poorly to unseen datasets. While learning-based, two-frame depth estimation solves this problem to some extent by learning to match features across frames, it performs poorly at…

计算机视觉与模式识别 · 计算机科学 2018-05-18 Rui Wang , Jan-Michael Frahm , Stephen M. Pizer

We propose D3VO as a novel framework for monocular visual odometry that exploits deep networks on three levels -- deep depth, pose and uncertainty estimation. We first propose a novel self-supervised monocular depth estimation network…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Nan Yang , Lukas von Stumberg , Rui Wang , Daniel Cremers

3D occupancy perception holds a pivotal role in recent vision-centric autonomous driving systems by converting surround-view images into integrated geometric and semantic representations within dense 3D grids. Nevertheless, current models…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Xin Tan , Wenbin Wu , Zhiwei Zhang , Chaojie Fan , Yong Peng , Zhizhong Zhang , Yuan Xie , Lizhuang Ma

We present a self-supervised learning approach to learning monocular 3D face reconstruction with a pose guidance network (PGN). First, we unveil the bottleneck of pose estimation in prior parametric 3D face learning methods, and propose to…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Pengpeng Liu , Xintong Han , Michael Lyu , Irwin King , Jia Xu