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Perceiving and understanding 3D motion is a core technology in fields such as autonomous driving, robots, and motion prediction. This paper proposes a 3D motion perception method called ScaleFlow++ that is easy to generalize. With just a…

计算机视觉与模式识别 · 计算机科学 2024-10-17 Han Ling , Quansen Sun

Monocular depth reconstruction of complex and dynamic scenes is a highly challenging problem. While for rigid scenes learning-based methods have been offering promising results even in unsupervised cases, there exists little to no…

计算机视觉与模式识别 · 计算机科学 2021-10-29 Ayça Takmaz , Danda Pani Paudel , Thomas Probst , Ajad Chhatkuli , Martin R. Oswald , Luc Van Gool

This paper studies optical flow estimation, a critical task in motion analysis with applications in autonomous navigation, action recognition, and film production. Traditional optical flow methods require consecutive frames, which are often…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Mo Zhou , Jianwei Wang , Xuanmeng Zhang , Dylan Campbell , Kai Wang , Long Yuan , Wenjie Zhang , Xuemin Lin

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…

计算机视觉与模式识别 · 计算机科学 2021-06-28 Benjamin Keltjens , Tom van Dijk , Guido de Croon

Self-supervised monocular depth estimation methods typically rely on the reprojection error to capture geometric relationships between successive frames in static environments. However, this assumption does not hold in dynamic objects in…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Xingyu Miao , Yang Bai , Haoran Duan , Yawen Huang , Fan Wan , Xinxing Xu , Yang Long , Yefeng Zheng

Scene flow is a description of real world motion in 3D that contains more information than optical flow. Because of its complexity there exists no applicable variant for real-time scene flow estimation in an automotive or commercial vehicle…

计算机视觉与模式识别 · 计算机科学 2018-06-22 René Schuster , Christian Bailer , Oliver Wasenmüller , Didier Stricker

We present a novel method to train machine learning algorithms to estimate scene depths from a single image, by using the information provided by a camera's aperture as supervision. Prior works use a depth sensor's outputs or images of the…

计算机视觉与模式识别 · 计算机科学 2018-03-30 Pratul P. Srinivasan , Rahul Garg , Neal Wadhwa , Ren Ng , Jonathan T. Barron

Self-supervised depth estimation has made a great success in learning depth from unlabeled image sequences. While the mappings between image and pixel-wise depth are well-studied in current methods, the correlation between image, depth and…

计算机视觉与模式识别 · 计算机科学 2021-02-15 Rui Li , Xiantuo He , Danna Xue , Shaolin Su , Qing Mao , Yu Zhu , Jinqiu Sun , Yanning Zhang

Unsupervised learning based depth estimation methods have received more and more attention as they do not need vast quantities of densely labeled data for training which are touch to acquire. In this paper, we propose a novel unsupervised…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Lingtao Zhou , Jiaojiao Fang , Guizhong Liu

Supervised learning methods to infer (hypothesize) depth of a scene from a single image require costly per-pixel ground-truth. We follow a geometric approach that exploits abundant stereo imagery to learn a model to hypothesize scene…

计算机视觉与模式识别 · 计算机科学 2019-06-20 Alex Wong , Byung-Woo Hong , Stefano Soatto

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…

计算机视觉与模式识别 · 计算机科学 2020-04-15 Mertalp Ocal , Armin Mustafa

Depth estimation plays an important role in the robotic perception system. Self-supervised monocular paradigm has gained significant attention since it can free training from the reliance on depth annotations. Despite recent advancements,…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Jinfeng Liu , Lingtong Kong , Jie Yang , Wei Liu

3D Multi-Object Tracking (MOT) is an important part of the unmanned vehicle perception module. Most methods optimize object detection and data association independently. These methods make the network structure complicated and limit the…

计算机视觉与模式识别 · 计算机科学 2022-03-07 Yueling Shen , Guangming Wang , Hesheng Wang

Autonomous vehicles and robots need to operate over a wide variety of scenarios in order to complete tasks efficiently and safely. Multi-camera self-supervised monocular depth estimation from videos is a promising way to reason about the…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Takayuki Kanai , Igor Vasiljevic , Vitor Guizilini , Adrien Gaidon , Rares Ambrus

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…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Hualie Jiang , Laiyan Ding , Zhenglong Sun , Rui Huang

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…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Vitor Guizilini , Rares Ambrus , Dian Chen , Sergey Zakharov , Adrien Gaidon

Self-supervised methods have showed promising results on depth estimation task. However, previous methods estimate the target depth map and camera ego-motion simultaneously, underusing multi-frame correlation information and ignoring the…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Songchun Zhang , Chunhui Zhao

In this study, we address the challenge of 3D scene structure recovery from monocular depth estimation. While traditional depth estimation methods leverage labeled datasets to directly predict absolute depth, recent advancements advocate…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Chi Zhang , Wei Yin , Gang Yu , Zhibin Wang , Tao Chen , Bin Fu , Joey Tianyi Zhou , Chunhua Shen

3D object detection based on monocular camera data is a key enabler for autonomous driving. The task however, is ill-posed due to lack of depth information in 2D images. Recent deep learning methods show promising results to recover depth…

计算机视觉与模式识别 · 计算机科学 2020-05-18 Felix Nobis , Fabian Brunhuber , Simon Janssen , Johannes Betz , Markus Lienkamp

Recently, self-supervised monocular depth estimation has gained popularity with numerous applications in autonomous driving and robotics. However, existing solutions primarily seek to estimate depth from immediate visual features, and…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Youhong Wang , Yunji Liang , Hao Xu , Shaohui Jiao , Hongkai Yu