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Related papers: Adaptive Cost Function for Pointcloud Registration

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This letter presents a continuous probabilistic modeling methodology for spatial point cloud data using finite Gaussian Mixture Models (GMMs) where the number of components are adapted based on the scene complexity. Few hierarchical and…

Machine Learning · Computer Science 2023-03-14 Kshitij Goel , Nathan Michael , Wennie Tabib

When signals are measured through physical sensors, they are perturbed by noise. To reduce noise, low-pass filters are commonly employed in order to attenuate high frequency components in the incoming signal, regardless if they come from…

Signal Processing · Electrical Eng. & Systems 2021-11-08 Alejandro J. Ordóñez-Conejo , Armin Lederer , Sandra Hirche

PointNet has revolutionized how we think about representing point clouds. For classification and segmentation tasks, the approach and its subsequent extensions are state-of-the-art. To date, the successful application of PointNet to point…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Yasuhiro Aoki , Hunter Goforth , Rangaprasad Arun Srivatsan , Simon Lucey

We study clustered multitask learning in a semiparametric setting where tasks share a latent cluster structure in their target parameters but exhibit heterogeneous, potentially infinite-dimensional nuisance components. Such heterogeneity…

Machine Learning · Statistics 2026-05-05 Hanxiao Chen , Debarghya Mukherjee

Motivated by the desire to numerically calculate rigorous upper and lower bounds on deviation probabilities over large classes of probability distributions, we present an adaptive algorithm for the reconstruction of increasing real-valued…

Numerical Analysis · Mathematics 2021-08-12 L. Bonnet , J. -L. Akian , É. Savin , T. J. Sullivan

We present a simple approach for sensor registration in target tracking applications. The proposed method uses targets of opportunity and, without making assumptions on their dynamical models, allows simultaneous calibration of multiple…

Signal Processing · Electrical Eng. & Systems 2018-07-16 Daniel Sigalov , Aharon Gal , Boaz Vigdor

Recently, efforts have been made to improve ptychography phase retrieval algorithms so that they are more robust against noise. Often the algorithm is adapted by changing the cost functional that needs to be minimized. In particular, it has…

Information Theory · Computer Science 2017-04-06 A. P. Konijnenberg , W. M. J. Coene , H. P. Urbach

Point Cloud Registration is the problem of aligning the corresponding points of two 3D point clouds referring to the same object. The challenges include dealing with noise and partial match of real-world 3D scans. For non-rigid objects,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-06 Manorama Jha

The calibration of (low-cost) inertial sensors has become increasingly important over the past years since their use has grown exponentially in many applications going from unmanned aerial vehicle navigation to 3D-animation. However, this…

Applications · Statistics 2016-07-22 James Balamuta , Stephane Guerrier , Roberto Molinari , Wenchao Yang

This paper presents a neural network for robust normal estimation on point clouds, named AdaFit, that can deal with point clouds with noise and density variations. Existing works use a network to learn point-wise weights for weighted least…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Runsong Zhu , Yuan Liu , Zhen Dong , Tengping Jiang , Yuan Wang , Wenping Wang , Bisheng Yang

Point cloud registration for 3D objects is a challenging task due to sparse and noisy measurements, incomplete observations and large transformations. In this work, we propose \textbf{G}raph \textbf{M}atching \textbf{C}onsensus…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Liang Pan , Zhongang Cai , Ziwei Liu

For both indoor and outdoor environments, we propose an efficient and novel method for different scales and sparse 3D point clouds registration that cannot be handled by the current popular ICP approaches. Our algorithm efficiently detects…

Robotics · Computer Science 2018-08-30 M. Usman Maqbool Bhutta , Ming Liu

Achieving robustness in image segmentation models is challenging due to the fine-grained nature of pixel-level classification. These models, which are crucial for many real-time perception applications, particularly struggle when faced with…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Laura Zheng , Wenjie Wei , Tony Wu , Jacob Clements , Shreelekha Revankar , Andre Harrison , Yu Shen , Ming C. Lin

Fine-tuning large pre-trained language models on various downstream tasks with whole parameters is prohibitively expensive. Hence, Parameter-efficient fine-tuning has attracted attention that only optimizes a few task-specific parameters…

Computation and Language · Computer Science 2023-05-25 Zhen-Ru Zhang , Chuanqi Tan , Haiyang Xu , Chengyu Wang , Jun Huang , Songfang Huang

Many real-world data mining applications need varying cost for different types of classification errors and thus call for cost-sensitive classification algorithms. Existing algorithms for cost-sensitive classification are successful in…

Machine Learning · Computer Science 2017-10-27 Te-Kang Jan , Da-Wei Wang , Chi-Hung Lin , Hsuan-Tien Lin

Multi-view point cloud registration is fundamental in 3D reconstruction. Since there are close connections between point clouds captured from different viewpoints, registration performance can be enhanced if these connections be harnessed…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Yue Wu , Yibo Liu , Maoguo Gong , Peiran Gong , Hao Li , Zedong Tang , Qiguang Miao , Wenping Ma

Point set registration is the process of finding the best alignment between two point sets, and it is a common task in different domains, especially in the automotive and mobile robotics domains. Lots of approaches are proposed in the…

Robotics · Computer Science 2022-04-22 Karim Haggag

In predictive maintenance, model performance is usually assessed by means of precision, recall, and F1-score. However, employing the model with best performance, e.g. highest F1-score, does not necessarily result in minimum maintenance…

Machine Learning · Computer Science 2018-10-01 Stephan Spiegel , Fabian Mueller , Dorothea Weismann , John Bird

We present an instance of the optimal sensor scheduling problem with the additional relaxation that our observer makes active choices whether or not to observe and how to observe. We mask the nodes in a directed acyclic graph of the model…

Robotics · Computer Science 2018-05-03 Andrew Warrington , Neil Dhir

This paper presents an effective normal estimation method adopting multi-patch stitching for an unstructured point cloud. The majority of learning-based approaches encode a local patch around each point of a whole model and estimate the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Jun Zhou , Wei Jin , Mingjie Wang , Xiuping Liu , Zhiyang Li , Zhaobin Liu