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Spectral methods such as the improved Fourier Mellin Invariant (iFMI) transform have proved faster, more robust and accurate than feature based methods on image registration. However, iFMI is restricted to work only when the camera moves in…

机器人学 · 计算机科学 2019-10-15 Qingwen Xu , Arturo Gomez Chavez , Heiko Bülow , Andreas Birk , Sören Schwertfeger

In this paper, we propose a global method for estimating the motion of a camera which films a static scene. Our approach is direct, fast and robust, and deals with adjacent frames of a sequence. It is based on a quadratic approximation of…

计算机视觉与模式识别 · 计算机科学 2008-09-29 Claire Jonchery , Françoise Dibos , Georges Koepfler

We present an approach for estimating the pose of an external camera with respect to a robot using a single RGB image of the robot. The image is processed by a deep neural network to detect 2D projections of keypoints (such as joints)…

机器人学 · 计算机科学 2020-04-27 Timothy E. Lee , Jonathan Tremblay , Thang To , Jia Cheng , Terry Mosier , Oliver Kroemer , Dieter Fox , Stan Birchfield

Given 2D point correspondences between an image pair, inferring the camera motion is a fundamental issue in the computer vision community. The existing works generally set out from the epipolar constraint and estimate the essential matrix,…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Guangyang Zeng , Qingcheng Zeng , Xinghan Li , Biqiang Mu , Jiming Chen , Ling Shi , Junfeng Wu

Visual slam technology is one of the key technologies for robot to explore unknown environment independently. Accurate estimation of camera pose based on visual sensor is the basis of autonomous navigation and positioning. However, most…

机器人学 · 计算机科学 2020-12-01 Deng Su , Dehong Chong

Uncertainty estimation in machine learning is paramount for enhancing the reliability and interpretability of predictive models, especially in high-stakes real-world scenarios. Despite the availability of numerous methods, they often pose a…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Anton Baumann , Thomas Roßberg , Michael Schmitt

Purpose: Optical imaging is evolving as a key technique for advanced sensing in the operating room. Recent research has shown that machine learning algorithms can be used to address the inverse problem of converting pixel-wise multispectral…

We present an approach for estimating a mobile robot's pose w.r.t. the allocentric coordinates of a network of static cameras using multi-view RGB images. The images are processed online, locally on smart edge sensors by deep neural…

机器人学 · 计算机科学 2023-03-08 Simon Bultmann , Raphael Memmesheimer , Sven Behnke

This paper proposes a depth estimation method using radar-image fusion by addressing the uncertain vertical directions of sparse radar measurements. In prior radar-image fusion work, image features are merged with the uncertain sparse…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Masaya Kotani , Takeru Oba , Norimichi Ukita

In this work, we bridge the gap between recent pose estimation and tracking work to develop a powerful method for robots to track objects in their surroundings. Motion-Nets use a segmentation model to segment the scene, and separate…

机器人学 · 计算机科学 2019-10-31 Felix Leeb , Arunkumar Byravan , Dieter Fox

Estimating uncertainty of camera parameters computed in Structure from Motion (SfM) is an important tool for evaluating the quality of the reconstruction and guiding the reconstruction process. Yet, the quality of the estimated parameters…

计算机视觉与模式识别 · 计算机科学 2018-08-08 Michal Polic , Wolfgang Förstner , Tomas Pajdla

Uncertainty estimation is essential to make neural networks trustworthy in real-world applications. Extensive research efforts have been made to quantify and reduce predictive uncertainty. However, most existing works are designed for…

机器学习 · 计算机科学 2022-10-07 Myong Chol Jung , He Zhao , Joanna Dipnall , Belinda Gabbe , Lan Du

In the semantic segmentation of street scenes the reliability of the prediction and therefore uncertainty measures are of highest interest. We present a method that generates for each input image a hierarchy of nested crops around the image…

计算机视觉与模式识别 · 计算机科学 2019-04-10 Matthias Rottmann , Marius Schubert

In this paper, we address the problem of quantifying reliability of computational saliency for videos, which can be used to improve saliency-based video processing and enable more reliable performance and risk assessment of such processing.…

计算机视觉与模式识别 · 计算机科学 2019-01-16 Tariq Alshawi , Zhiling Long , Ghassan AlRegib

Recently there has been a growing interest in category-level object pose and size estimation, and prevailing methods commonly rely on single view RGB-D images. However, one disadvantage of such methods is that they require accurate depth…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Jiaqi Yang , Yucong Chen , Xiangting Meng , Chenxin Yan , Min Li , Ran Cheng , Lige Liu , Tao Sun , Laurent Kneip

Achieving reliable ego motion estimation for agile robots, e.g., aerobatic aircraft, remains challenging because most robot sensors fail to respond timely and clearly to highly dynamic robot motions, often resulting in measurement blurring,…

机器人学 · 计算机科学 2025-10-29 Yang Lyu , Zhenghao Zou , Yanfeng Li , Xiaohu Guo , Chunhui Zhao , Quan Pan

Wearable sensors such as Inertial Measurement Units (IMUs) are often used to assess the performance of human exercise. Common approaches use handcrafted features based on domain expertise or automatically extracted features using time…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Ashish Singh , Antonio Bevilacqua , Timilehin B. Aderinola , Thach Le Nguyen , Darragh Whelan , Martin O'Reilly , Brian Caulfield , Georgiana Ifrim

Recently neural scene representations have provided very impressive results for representing 3D scenes visually, however, their study and progress have mainly been limited to visualization of virtual models in computer graphics or scene…

计算机视觉与模式识别 · 计算机科学 2022-09-26 Yassine Ahmine , Arnab Dey , Andrew I. Comport

Visible images have been widely used for motion estimation. Thermal images, in contrast, are more challenging to be used in motion estimation since they typically have lower resolution, less texture, and more noise. In this paper, a novel…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Weichen Dai , Yu Zhang , Shenzhou Chen , Donglei Sun , Da Kong

Learning a medical image segmentation model is an inherently ambiguous task, as uncertainties exist in both images (noise) and manual annotations (human errors and bias) used for model training. To build a trustworthy image segmentation…

图像与视频处理 · 电气工程与系统科学 2023-08-17 Xinyu Bai , Wenjia Bai