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LADARs mounted on mobile platforms produce a wealth of precise range data on the surrounding objects and vehicles. The challenge we address is to infer from these raw LADAR data the location and orientation of nearby vehicles. We propose a…

Robotics · Computer Science 2017-09-26 Daniel D. Morris , Regis Hoffman , Paul Haley

Nonlinear filtering with standard PF methods requires mitigative techniques to quell weight degeneracy, such as resampling. This is especially true in high-dimensional systems with sparse observations. Unfortunately, such techniques are…

Systems and Control · Electrical Eng. & Systems 2026-03-18 Theofania Karampela , Ryne Beeson

We address the problem of tracking the 6-DoF pose of an object while it is being manipulated by a human or a robot. We use a dynamic Bayesian network to perform inference and compute a posterior distribution over the current object pose.…

Robotics · Computer Science 2015-05-04 Manuel Wüthrich , Peter Pastor , Mrinal Kalakrishnan , Jeannette Bohg , Stefan Schaal

One of the core activities of an active observer involves moving to secure a "better" view of the scene, where the definition of "better" is task-dependent. This paper focuses on the task of human pose estimation from videos capturing a…

Robotics · Computer Science 2024-07-03 Jingxi Chen , Botao He , Chahat Deep Singh , Cornelia Fermuller , Yiannis Aloimonos

We present an approach to efficiently detect the 2D pose of multiple people in an image. The approach uses a nonparametric representation, which we refer to as Part Affinity Fields (PAFs), to learn to associate body parts with individuals…

Computer Vision and Pattern Recognition · Computer Science 2017-04-17 Zhe Cao , Tomas Simon , Shih-En Wei , Yaser Sheikh

The last several years have seen significant progress in using depth cameras for tracking articulated objects such as human bodies, hands, and robotic manipulators. Most approaches focus on tracking skeletal parameters of a fixed shape…

Computer Vision and Pattern Recognition · Computer Science 2017-11-23 Aaron Walsman , Weilin Wan , Tanner Schmidt , Dieter Fox

Traditional tracking-by-detection systems typically employ Kalman filters (KF) for state estimation. However, the KF requires domain-specific design choices and it is ill-suited to handling non-linear motion patterns. To address these…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Momir Adžemović , Predrag Tadić , Andrija Petrović , Mladen Nikolić

Both the tasks of multi-person human pose estimation and pose tracking in videos are quite challenging. Existing methods can be categorized into two groups: top-down and bottom-up approaches. In this paper, following the top-down approach,…

Computer Vision and Pattern Recognition · Computer Science 2019-01-24 Guanghan Ning , Ping Liu , Xiaochuan Fan , Chi Zhang

We propose a probabilistic filtering method which fuses joint measurements with depth images to yield a precise, real-time estimate of the end-effector pose in the camera frame. This avoids the need for frame transformations when using it…

Robotics · Computer Science 2016-11-28 Cristina Garcia Cifuentes , Jan Issac , Manuel Wüthrich , Stefan Schaal , Jeannette Bohg

In this paper, an online adaptive model-free tracker is proposed to track single objects in video sequences to deal with real-world tracking challenges like low-resolution, object deformation, occlusion and motion blur. The novelty lies in…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Tanushri Chakravorty , Guillaume-Alexandre Bilodeau , Eric Granger

We propose a method for inferring human attributes (such as gender, hair style, clothes style, expression, action) from images of people under large variation of viewpoint, pose, appearance, articulation and occlusion. Convolutional Neural…

Computer Vision and Pattern Recognition · Computer Science 2014-05-07 Ning Zhang , Manohar Paluri , Marc'Aurelio Ranzato , Trevor Darrell , Lubomir Bourdev

3D digital anthropometry is the study of estimating human body measurements from 3D scans. Precise body measurements are important health indicators in the medical industry, and guiding factors in the fashion, ergonomic and entertainment…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 David Bojanić , Stefanie Wuhrer , Tomislav Petković , Tomislav Pribanić

Human poses and motions are important cues for analysis of videos with people and there is strong evidence that representations based on body pose are highly effective for a variety of tasks such as activity recognition, content retrieval…

Computer Vision and Pattern Recognition · Computer Science 2018-04-12 Mykhaylo Andriluka , Umar Iqbal , Eldar Insafutdinov , Leonid Pishchulin , Anton Milan , Juergen Gall , Bernt Schiele

Pose-based anomaly detection is a video-analysis technique for detecting anomalous events or behaviors by examining human pose extracted from the video frames. Utilizing pose data alleviates privacy and ethical issues. Also,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Ghazal Alinezhad Noghre , Armin Danesh Pazho , Vinit Katariya , Hamed Tabkhi

Automated fiber placement (AFP) is an advanced manufacturing technology that increases the rate of production of composite materials. At the same time, the need for adaptable and fast inline control methods of such parts raises. Existing…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 Sebastian Zambal , Christoph Heindl , Christian Eitzinger , Josef Scharinger

We present a novel approach for estimating the 2D pose of an articulated object with an application to automated video analysis of small laboratory animals. We have found that deformable part models developed for humans, exemplified by the…

Computer Vision and Pattern Recognition · Computer Science 2018-06-29 Yuliang Guo , Lakshmi Narasimhan Govindarajan , Benjamin Kimia , Thomas Serre

In this paper we propose a technique for obtaining coarse pose estimation of humans in an image that does not require any manual supervision. While a general unsupervised technique would fail to estimate human pose, we suggest that…

Computer Vision and Pattern Recognition · Computer Science 2017-04-14 Prabuddha Chakraborty , Vinay P. Namboodiri

Automated 3D pose estimation of satellites and other known space objects is a critical component of space situational awareness. Ground-based imagery offers a convenient data source for satellite characterization; however, analysis…

Computer Vision and Pattern Recognition · Computer Science 2019-06-27 Maxim Bazik , Brien Flewelling , Manoranjan Majji , Joseph Mundy

This paper proposes a probabilistic approach for the detection and the tracking of particles in fluorescent time-lapse imaging. In the presence of a very noised and poor-quality data, particles and trajectories can be characterized by an a…

Computer Vision and Pattern Recognition · Computer Science 2017-04-04 Mariella Dimiccoli , Jean-Pascal Jacob , Lionel Moisan

The particle filter (PF) and the ensemble Kalman filter (EnKF) are widely used for approximate inference in state-space models. From a Bayesian perspective, these algorithms represent the prior by an ensemble of particles and update it to…

Methodology · Statistics 2025-02-11 Chengxin Gong , Wei Lin , Cheng Zhang