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This paper documents the winning entry at the CVPR2017 vehicle velocity estimation challenge. Velocity estimation is an emerging task in autonomous driving which has not yet been thoroughly explored. The goal is to estimate the relative…

计算机视觉与模式识别 · 计算机科学 2018-02-21 Moritz Kampelmühler , Michael G. Müller , Christoph Feichtenhofer

In model-free deep reinforcement learning (RL) algorithms, using noisy value estimates to supervise policy evaluation and optimization is detrimental to the sample efficiency. As this noise is heteroscedastic, its effects can be mitigated…

机器学习 · 计算机科学 2022-05-04 Vincent Mai , Kaustubh Mani , Liam Paull

In the field of visual ego-motion estimation for Micro Air Vehicles (MAVs), fast maneuvers stay challenging mainly because of the big visual disparity and motion blur. In the pursuit of higher robustness, we study convolutional neural…

计算机视觉与模式识别 · 计算机科学 2022-08-31 Yingfu Xu , Guido C. H. E. de Croon

Estimating the motion of the camera together with the 3D structure of the scene from a monocular vision system is a complex task that often relies on the so-called scene rigidity assumption. When observing a dynamic environment, this…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Seokju Lee , Francois Rameau , Fei Pan , In So Kweon

Event cameras respond to changes in log-brightness at the millisecond level, making them ideal for optical flow estimation. However, existing datasets from event cameras provide only low frame rate ground truth for optical flow, limiting…

计算机视觉与模式识别 · 计算机科学 2025-05-14 Yaozu Ye , Hao Shi , Kailun Yang , Ze Wang , Xiaoting Yin , Lei Sun , Yaonan Wang , Kaiwei Wang

Depth estimation in surgical video plays a crucial role in many image-guided surgery procedures. However, it is difficult and time consuming to create depth map ground truth datasets in surgical videos due in part to inconsistent brightness…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Ange Lou , Jack Noble

This paper introduces a robust framework for motion segmentation and egomotion estimation using event-based normal flow, tailored specifically for neuromorphic vision sensors. In contrast to traditional methods that rely heavily on optical…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Zhiyuan Hua , Dehao Yuan , Cornelia Fermüller

Event cameras are a new type of vision sensor that incorporates asynchronous and independent pixels, offering advantages over traditional frame-based cameras such as high dynamic range and minimal motion blur. However, their output is not…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Burak Ercan , Onur Eker , Aykut Erdem , Erkut Erdem

Monocular visual localization plays a pivotal role in advanced driver assistance systems and autonomous driving by estimating a vehicle's ego-motion from a single pinhole camera. Nevertheless, conventional monocular visual odometry…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Hui Zhang , Zhiyang Wu , Qianqian Shangguan , Kang An

While image generation techniques are now capable of producing high-quality images that respect prompts which span multiple sentences, the task of text-guided image editing remains a challenge. Even edit requests that consist of only a few…

Real-time ego-motion tracking for endoscope is a significant task for efficient navigation and robotic automation of endoscopy. In this paper, a novel framework is proposed to perform real-time ego-motion tracking for endoscope. Firstly, a…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Liangjing Shao , Benshuang Chen , Shuting Zhao , Xinrong Chen

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…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Guangming Wang , Hesheng Wang , Yiling Liu , Weidong Chen

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…

计算机视觉与模式识别 · 计算机科学 2019-02-14 Alex Zihao Zhu , Wenxin Liu , Ziyun Wang , Vijay Kumar , Kostas Daniilidis

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

In this paper, we propose a novel self-supervised learning model for estimating continuous ego-motion from video. Our model learns to estimate camera motion by watching RGBD or RGB video streams and determining translational and rotation…

计算几何 · 计算机科学 2018-06-28 Minhaeng Lee , Charless C. Fowlkes

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

Event cameras are emerging vision sensors whose noise is challenging to characterize. Existing denoising methods for event cameras are often designed in isolation and thus consider other tasks, such as motion estimation, separately (i.e.,…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Shintaro Shiba , Yoshimitsu Aoki , Guillermo Gallego

Event cameras offer many advantages over standard cameras due to their distinctive principle of operation: low power, low latency, high temporal resolution and high dynamic range. Nonetheless, the success of many downstream visual…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Weng Fei Low , Gim Hee Lee

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,…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Johannes Kopf , Xuejian Rong , Jia-Bin Huang

Event camera is a novel bio-inspired vision sensor that outputs event stream. In this paper, we propose a novel data fusion algorithm called EAS to fuse conventional intensity images with the event stream. The fusion result is applied to…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Liren Yang