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This work contributes an efficient algorithm to compute the Relative Pose problem (RPp) between calibrated cameras and certify the optimality of the solution, given a set of pair-wise feature correspondences affected by noise and probably…

Computer Vision and Pattern Recognition · Computer Science 2021-06-24 Mercedes Garcia-Salguero , Javier Gonzalez-Jimenez

We consider the problem of learning linear prediction models with model misspecification bias. In such case, the collinearity among input variables may inflate the error of parameter estimation, resulting in instability of prediction…

Machine Learning · Computer Science 2019-12-02 Zheyan Shen , Peng Cui , Tong Zhang , Kun Kuang

Camera relocalization involving a prior 3D reconstruction plays a crucial role in many mixed reality and robotics applications. Estimating the camera pose directly with respect to pre-built 3D models can be prohibitively expensive for…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Thuan B. Bui , Dinh-Tuan Tran , Joo-Ho Lee

6-DoF object pose estimation from a monocular image is challenging, and a post-refinement procedure is generally needed for high-precision estimation. In this paper, we propose a framework based on a recurrent neural network (RNN) for…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Yan Xu , Kwan-Yee Lin , Guofeng Zhang , Xiaogang Wang , Hongsheng Li

In object-based Simultaneous Localization and Mapping (SLAM), 6D object poses offer a compact representation of landmark geometry useful for downstream planning and manipulation tasks. However, measurement ambiguity then arises as objects…

Robotics · Computer Science 2021-08-04 Jiahui Fu , Qiangqiang Huang , Kevin Doherty , Yue Wang , John J. Leonard

Machine learning algorithms with empirical risk minimization are vulnerable under distributional shifts due to the greedy adoption of all the correlations found in training data. There is an emerging literature on tackling this problem by…

Machine Learning · Computer Science 2022-11-22 Jiashuo Liu , Zheyan Shen , Peng Cui , Linjun Zhou , Kun Kuang , Bo Li

Neural networks have become increasingly popular in controller design due to their versatility and efficiency. However, their integration into feedback systems can pose stability challenges, particularly in the presence of uncertainties.…

Optimization and Control · Mathematics 2025-03-04 Yuhao Zhang , Xiangru Xu

In this paper, we address the problem of estimating a 3D human pose from a single image, which is important but difficult to solve due to many reasons, such as self-occlusions, wild appearance changes, and inherent ambiguities of 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-10-08 Geonho Cha , Minsik Lee , Jungchan Cho , Songhwai Oh

In safety-critical deep learning applications, robustness measures the ability of neural models that handle imperceptible perturbations in input data, which may lead to potential safety hazards. Existing pre-deployment robustness assessment…

Machine Learning · Computer Science 2025-08-27 Wenchuan Mu , Kwan Hui Lim

Recently, the leading performance of human pose estimation is dominated by heatmap based methods. While being a fundamental component of heatmap processing, heatmap decoding (i.e. transforming heatmaps to coordinates) receives only limited…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Feiyu Yang , Zhan Song , Zhenzhong Xiao , Yu Chen , Zhe Pan , Min Zhang , Min Xue , Yaoyang Mo , Yao Zhang , Guoxiong Guan , Beibei Qian

Video stabilization refers to the problem of transforming a shaky video into a visually pleasing one. The question of how to strike a good trade-off between visual quality and computational speed has remained one of the open challenges in…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Weiyue Zhao , Xin Li , Zhan Peng , Xianrui Luo , Xinyi Ye , Hao Lu , Zhiguo Cao

Neural networks achieve outstanding accuracy in classification and regression tasks. However, understanding their behavior still remains an open challenge that requires questions to be addressed on the robustness, explainability and…

Machine Learning · Computer Science 2021-05-13 Anna-Kathrin Kopetzki , Stephan Günnemann

We propose a three-stage 6 DoF object detection method called DPODv2 (Dense Pose Object Detector) that relies on dense correspondences. We combine a 2D object detector with a dense correspondence estimation network and a multi-view pose…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Ivan Shugurov , Sergey Zakharov , Slobodan Ilic

Human pose forecasting is inherently multimodal since multiple futures exist for an observed pose sequence. However, evaluating multimodality is challenging since the task is ill-posed. Therefore, we first propose an alternative paradigm to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Reyhaneh Hosseininejad , Megh Shukla , Saeed Saadatnejad , Mathieu Salzmann , Alexandre Alahi

In the past five years, deep learning methods have become state-of-the-art in solving various inverse problems. Before such approaches can find application in safety-critical fields, a verification of their reliability appears mandatory.…

Machine Learning · Computer Science 2023-01-18 Martin Genzel , Jan Macdonald , Maximilian März

Contemporary approaches frame the color constancy problem as learning camera specific illuminant mappings. While high accuracy can be achieved on camera specific data, these models depend on camera spectral sensitivity and typically exhibit…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Daniel Hernandez-Juarez , Sarah Parisot , Benjamin Busam , Ales Leonardis , Gregory Slabaugh , Steven McDonagh

This study demonstrates that incorporating a consistency heuristic into the point-matching algorithm \cite{yerebakan2023hierarchical} improves robustness in matching anatomical locations across pairs of medical images. We validated our…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Halid Ziya Yerebakan , Gerardo Hermosillo Valadez

Thermal cameras offer strong potential for robot perception under challenging illumination and weather conditions. However, thermal Simultaneous Localization and Mapping (SLAM) remains difficult due to unreliable feature extraction,…

Robotics · Computer Science 2026-02-25 Zeyu Jiang , Kuan Xu , Changhao Chen

Existing multi-person pose estimators can be roughly divided into two-stage approaches (top-down and bottom-up approaches) and one-stage approaches. The two-stage methods either suffer high computational redundancy for additional person…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Junqi Lin , Huixin Miao , Junjie Cao , Zhixun Su , Risheng Liu

In human and hand pose estimation, heatmaps are a crucial intermediate representation for a body or hand keypoint. Two popular methods to decode the heatmap into a final joint coordinate are via an argmax, as done in heatmap detection, or…

Computer Vision and Pattern Recognition · Computer Science 2023-01-26 Kerui Gu , Linlin Yang , Michael Bi Mi , Angela Yao
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