English
Related papers

Related papers: Attentive and Contrastive Learning for Joint Depth…

200 papers

We present a novel approach for unsupervised learning of depth and ego-motion from monocular video. Unsupervised learning removes the need for separate supervisory signals (depth or ego-motion ground truth, or multi-view video). Prior work…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Reza Mahjourian , Martin Wicke , Anelia Angelova

Monocular depth estimation is known as an ill-posed task in which objects in a 2D image usually do not contain sufficient information to predict their depth. Thus, it acts differently from other tasks (e.g., classification and segmentation)…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Wencheng Han , Junbo Yin , Jianbing Shen

Accurately perceiving location and scene is crucial for autonomous driving and mobile robots. Recent advances in deep learning have made it possible to learn egomotion and depth from monocular images in a self-supervised manner, without…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Hao Qu , Lilian Zhang , Xiaoping Hu , Xiaofeng He , Xianfei Pan , Changhao Chen

There have been attempts to detect 3D objects by fusion of stereo camera images and LiDAR sensor data or using LiDAR for pre-training and only monocular images for testing, but there have been less attempts to use only monocular image…

Computer Vision and Pattern Recognition · Computer Science 2022-09-21 Curie Kim , Ue-Hwan Kim , Jong-Hwan Kim

Self-supervised monocular depth estimation enables robots to learn 3D perception from raw video streams. This scalable approach leverages projective geometry and ego-motion to learn via view synthesis, assuming the world is mostly static.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Vitor Guizilini , Kuan-Hui Lee , Rares Ambrus , Adrien Gaidon

Self-supervised monocular depth estimation has shown impressive results in static scenes. It relies on the multi-view consistency assumption for training networks, however, that is violated in dynamic object regions and occlusions.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Libo Sun , Jia-Wang Bian , Huangying Zhan , Wei Yin , Ian Reid , Chunhua Shen

It is an exciting task to recover the scene's 3d-structure and camera pose from the video sequence. Most of the current solutions divide it into two parts, monocular depth recovery and camera pose estimation. The monocular depth recovery is…

Computer Vision and Pattern Recognition · Computer Science 2018-05-24 YanTong Wu , Yang Liu

Identifying and segmenting moving objects from a moving monocular camera is difficult when there is unknown camera motion, different types of object motions and complex scene structures. To tackle these challenges, we take advantage of two…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Yuxiang Huang , John Zelek

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…

Computer Vision and Pattern Recognition · Computer Science 2021-12-16 Shuwei Shao , Zhongcai Pei , Weihai Chen , Wentao Zhu , Xingming Wu , Dianmin Sun , Baochang Zhang

A thermal camera can robustly capture thermal radiation images under harsh light conditions such as night scenes, tunnels, and disaster scenarios. However, despite this advantage, neither depth nor ego-motion estimation research for the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Ukcheol Shin , Kyunghyun Lee , Seokju Lee , In So Kweon

This paper focuses on self-supervised monocular depth estimation in dynamic scenes trained on monocular videos. Existing methods jointly estimate pixel-wise depth and motion, relying mainly on an image reconstruction loss. Dynamic regions1…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Hoang Chuong Nguyen , Tianyu Wang , Jose M. Alvarez , Miaomiao Liu

In this work, we propose a method that combines unsupervised deep learning predictions for optical flow and monocular disparity with a model based optimization procedure for instantaneous camera pose. Given the flow and disparity…

Computer Vision and Pattern Recognition · Computer Science 2019-02-14 Alex Zihao Zhu , Wenxin Liu , Ziyun Wang , Vijay Kumar , Kostas Daniilidis

Despite significant progress made in the past few years, challenges remain for depth estimation using a single monocular image. First, it is nontrivial to train a metric-depth prediction model that can generalize well to diverse scenes…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Wei Yin , Jianming Zhang , Oliver Wang , Simon Niklaus , Simon Chen , Yifan Liu , Chunhua Shen

Unsupervised methods have showed promising results on monocular depth estimation. However, the training data must be captured in scenes without moving objects. To push the envelope of accuracy, recent methods tend to increase their model…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Tak-Wai Hui

Recent work has shown that CNN-based depth and ego-motion estimators can be learned using unlabelled monocular videos. However, the performance is limited by unidentified moving objects that violate the underlying static scene assumption in…

Computer Vision and Pattern Recognition · Computer Science 2019-10-04 Jia-Wang Bian , Zhichao Li , Naiyan Wang , Huangying Zhan , Chunhua Shen , Ming-Ming Cheng , Ian Reid

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…

Computer Vision and Pattern Recognition · Computer Science 2020-08-31 Hirak J Kashyap , Charless Fowlkes , Jeffrey L Krichmar

While separately leveraging monocular 3D object detection and 2D multi-object tracking can be straightforwardly applied to sequence images in a frame-by-frame fashion, stand-alone tracker cuts off the transmission of the uncertainty from…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Peixuan Li , Jieyu Jin

Perceiving the physical world in 3D is fundamental for self-driving applications. Although temporal motion is an invaluable resource to human vision for detection, tracking, and depth perception, such features have not been thoroughly…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Garrick Brazil , Gerard Pons-Moll , Xiaoming Liu , Bernt Schiele

We tackle the problem of estimating optical flow from a monocular camera in the context of autonomous driving. We build on the observation that the scene is typically composed of a static background, as well as a relatively small number of…

Computer Vision and Pattern Recognition · Computer Science 2016-08-24 Min Bai , Wenjie Luo , Kaustav Kundu , Raquel Urtasun

In this paper, we propose a novel method for monocular depth estimation in dynamic scenes. We first explore the arbitrariness of object's movement trajectory in dynamic scenes theoretically. To overcome the arbitrariness, we use assume that…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Kebin Peng , John Quarles , Kevin Desai