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We solve the problem of 6-DoF localisation and 3D dense reconstruction in spatial environments as approximate Bayesian inference in a deep state-space model. Our approach leverages both learning and domain knowledge from multiple-view…

机器学习 · 统计学 2021-03-16 Atanas Mirchev , Baris Kayalibay , Patrick van der Smagt , Justin Bayer

The modeling and uncertainty quantification of closed curves is an important problem in the field of shape analysis, and can have significant ramifications for subsequent statistical tasks. Many of these tasks involve collections of closed…

机器学习 · 统计学 2023-03-15 Hengrui Luo , Justin D. Strait

Many modern simultaneous localization and mapping (SLAM) techniques rely on sparse landmark-based maps due to their real-time performance. However, these techniques frequently assert that these landmarks are fixed in position over time,…

机器人学 · 计算机科学 2020-08-04 Samuel Bateman , Kyle Harlow , Christoffer Heckman

Predicting where people can walk in a scene is important for many tasks, including autonomous driving systems and human behavior analysis. Yet learning a computational model for this purpose is challenging due to semantic ambiguity and a…

计算机视觉与模式识别 · 计算机科学 2020-08-21 Jin Sun , Hadar Averbuch-Elor , Qianqian Wang , Noah Snavely

As data plays an increasingly pivotal role in decision-making, the emergence of data markets underscores the growing importance of data valuation. Within the machine learning landscape, Data Shapley stands out as a widely embraced method…

机器学习 · 统计学 2024-07-30 Mengmeng Wu , Zhihong Liu , Xiang Li , Ruoxi Jia , Xiangyu Chang

We investigate the problem of autonomous object classification and semantic SLAM, which in general exhibits a tight coupling between classification, metric SLAM and planning under uncertainty. We contribute a unified framework for inference…

机器人学 · 计算机科学 2021-05-27 Vladimir Tchuiev , Vadim Indelman

Mathematical models are invaluable for understanding and predicting how biological systems behave, although their construction requires specifying mechanisms and relationships that are often not perfectly known. In the presence of multiple…

Preferential sampling is a common feature in geostatistics and occurs when the locations to be sampled are chosen based on information about the phenomena under study. In this case, point pattern models are commonly used as the probability…

统计方法学 · 统计学 2022-10-27 Douglas Mateus da Silva , Dani Gamerman

Model-based approaches bear great promise for decision making of agents interacting with the physical world. In the context of spatial environments, different types of problems such as localisation, mapping, navigation or autonomous…

Statistical shape modeling (SSM) has recently taken advantage of advances in deep learning to alleviate the need for a time-consuming and expert-driven workflow of anatomy segmentation, shape registration, and the optimization of…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Jadie Adams , Riddhish Bhalodia , Shireen Elhabian

Motivated by the goals of dataset pruning and defect identification, a growing body of methods have been developed to score individual examples within a dataset. These methods, which we call "example difficulty scores", are typically used…

机器学习 · 计算机科学 2024-01-04 Devin Kwok , Nikhil Anand , Jonathan Frankle , Gintare Karolina Dziugaite , David Rolnick

Automotive self-localization is an essential task for any automated driving function. This means that the vehicle has to reliably know its position and orientation with an accuracy of a few centimeters and degrees, respectively. This paper…

机器人学 · 计算机科学 2024-08-13 Fabio Weishaupt , Julius F. Tilly , Nils Appenrodt , Pascal Fischer , Jürgen Dickmann , Dirk Heberling

For autonomous agents to successfully operate in the real world, anticipation of future events and states of their environment is a key competence. This problem can be formalized as a sequence prediction problem, where a number of…

计算机视觉与模式识别 · 计算机科学 2018-10-01 Apratim Bhattacharyya , Mario Fritz , Bernt Schiele

We propose a probabilistic generative model for unsupervised learning of structured, interpretable, object-based representations of visual scenes. We use amortized variational inference to train the generative model end-to-end. The learned…

机器学习 · 计算机科学 2019-09-30 Andrea Dittadi , Ole Winther

This paper presents a probabilistic approach to represent and quantify model-form uncertainties in the reduced-order modeling of complex systems using operator inference techniques. Such uncertainties can arise in the selection of an…

机器学习 · 统计学 2024-11-08 Jin Yi Yong , Rudy Geelen , Johann Guilleminot

Probabilistic (or Bayesian) modeling and learning offers interesting possibilities for systematic representation of uncertainty using probability theory. However, probabilistic learning often leads to computationally challenging problems.…

统计计算 · 统计学 2018-03-14 Andreas Svensson , Thomas B. Schön , Fredrik Lindsten

Precise segmentation of brain structures in magnetic resonance imaging (MRI) is essential for reliable neuroimaging analysis, yet voxel-wise deep models often yield anatomically inconsistent results that diverge from expert-defined…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Ahmed Rekik , R. Jarrett Rushmore , Sylvain Bouix , Linda Marrakchi-Kacem

In this study, we investigated a method allowing the determination of the femur bone surface as well as its mechanical axis from some easy-to-identify bony landmarks. The reconstruction of the whole femur is therefore performed from these…

图像与视频处理 · 电气工程与系统科学 2021-07-08 Alireza Asvadi , Guillaume Dardenne , Jocelyne Troccaz , Valerie Burdin

A common way to implement navigation in mobile robots is through the use of landmarks. In this case, the main goal of the controller is to make progress toward a goal location (stability), while avoiding the boundary of the environment…

动力系统 · 数学 2022-09-16 Chenfei Wang , Roberto Tron

We present an approach to learn the dynamics of multiple objects from image sequences in an unsupervised way. We introduce a probabilistic model that first generate noisy positions for each object through a separate linear state-space…

计算机视觉与模式识别 · 计算机科学 2019-07-31 Silvia Chiappa , Ulrich Paquet