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Gaussian process regression is widely used because of its ability to provide well-calibrated uncertainty estimates and handle small or sparse datasets. However, it struggles with high-dimensional data. One possible way to scale this…

Machine Learning · Statistics 2024-02-02 Bernardo Fichera , Viacheslav Borovitskiy , Andreas Krause , Aude Billard

The tree-based ensembles are known for their outstanding performance in classification and regression problems characterized by feature vectors represented by mixed-type variables from various ranges and domains. However, considering…

Machine Learning · Computer Science 2025-12-16 Patryk Wielopolski , Maciej Zięba

Recent advances in robot-assisted surgery have resulted in progressively more precise, efficient, and minimally invasive procedures, sparking a new era of robotic surgical intervention. This enables doctors, in collaborative interaction…

Robotics · Computer Science 2024-01-30 Samuel Schmidgall , Axel Krieger , Jason Eshraghian

The visualization of volumetric medical data is crucial for enhancing diagnostic accuracy and improving surgical planning and education. Cinematic rendering techniques significantly enrich this process by providing high-quality…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Chengkun Li , Yuqi Tong , Kai Chen , Zhenya Yang , Ruiyang Li , Shi Qiu , Jason Ying-Kuen Chan , Pheng-Ann Heng , Qi Dou

A major challenge in text-video and text-audio retrieval is the lack of large-scale training data. This is unlike image-captioning, where datasets are in the order of millions of samples. To close this gap we propose a new video mining…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Arsha Nagrani , Paul Hongsuck Seo , Bryan Seybold , Anja Hauth , Santiago Manen , Chen Sun , Cordelia Schmid

Automated surgical workflow analysis and understanding can assist surgeons to standardize procedures and enhance post-surgical assessment and indexing, as well as, interventional monitoring. Computer-assisted interventional (CAI) systems…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Odysseas Zisimopoulos , Evangello Flouty , Imanol Luengo , Petros Giataganas , Jean Nehme , Andre Chow , Danail Stoyanov

Supervised learning has recently garnered significant attention in the field of computational physics due to its ability to effectively extract complex patterns for tasks like solving partial differential equations, or predicting material…

Machine Learning · Statistics 2024-03-12 Raphaël Carpintero Perez , Sébastien da Veiga , Josselin Garnier , Brian Staber

Video understanding of robot-assisted surgery (RAS) videos is an active research area. Modeling the gestures and skill level of surgeons presents an interesting problem. The insights drawn may be applied in effective skill acquisition,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Duygu Sarikaya , Jason J. Corso , Khurshid A. Guru

Comprehension of surgical workflow is the foundation upon which artificial intelligence (AI) and machine learning (ML) holds the potential to assist intraoperative decision-making and risk mitigation. In this work, we move beyond mere…

Computer Vision and Pattern Recognition · Computer Science 2022-03-10 Yutong Ban , Guy Rosman , Jennifer A. Eckhoff , Thomas M. Ward , Daniel A. Hashimoto , Taisei Kondo , Hidekazu Iwaki , Ozanan R. Meireles , Daniela Rus

Existing partial sequence labeling models mainly focus on max-margin framework which fails to provide an uncertainty estimation of the prediction. Further, the unique ground truth disambiguation strategy employed by these models may include…

Machine Learning · Computer Science 2022-09-21 Xiaolei Lu , Tommy W. S. Chow

Automatic recognition of surgical phases in surgical videos is a fundamental task in surgical workflow analysis. In this report, we propose a Transformer-based method that utilizes calibrated confidence scores for a 2-stage inference…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Yunfan Li , Vinayak Shenoy , Prateek Prasanna , I. V. Ramakrishnan , Haibin Ling , Himanshu Gupta

Purpose: Finding effective methods of discriminating surgeon technical skill is a complex problem to solve computationally. Previous research has shown non-expert crowd evaluations of surgical performances are as accurate as the gold…

Human-Computer Interaction · Computer Science 2019-11-05 Jason D Kelly , Ashley Petersen , Thomas S Lendvay , Timothy M Kowalewski

The goal of this study was to develop new reliable open surgery suturing simulation system for training medical students in situation where resources are limited or in the domestic setup. Namely, we developed an algorithm for tools and…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Adam Goldbraikh , Anne-Lise D'Angelo , Carla M. Pugh , Shlomi Laufer

Training data plays an essential role in modern applications of machine learning. However, gathering labeled training data is time-consuming. Therefore, labeling is often outsourced to less experienced users, or completely automated. This…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Alex Bäuerle , Heiko Neumann , Timo Ropinski

One image processing application that is very helpful for humans is to improve image quality, poor image quality makes the image more difficult to interpret because the information conveyed by the image is reduced. In the process of the…

Image and Video Processing · Electrical Eng. & Systems 2019-02-19 Rini Mayasari , Nono Heryana

Experience and reasoning occur across multiple temporal scales: milliseconds, seconds, hours or days. The vast majority of computer vision research, however, still focuses on individual images or short videos lasting only a few seconds.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Olivia Wiles , Joao Carreira , Iain Barr , Andrew Zisserman , Mateusz Malinowski

When technical requirements are high, and patient outcomes are critical, opportunities for monitoring and improving surgical skills via objective motion analysis feedback may be particularly beneficial. This narrative review synthesises…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Merryn D. Constable , Hubert P. H. Shum , Stephen Clark

To solve a machine learning problem, one typically needs to perform data preprocessing, modeling, and hyperparameter tuning, which is known as model selection and hyperparameter optimization.The goal of automated machine learning (AutoML)…

Machine Learning · Computer Science 2019-04-19 Weilin Zhou , Frederic Precioso

Recently, 3D Gaussian Splatting has emerged as a promising approach for modeling 3D scenes using mixtures of Gaussians. The predominant optimization method for these models relies on backpropagating gradients through a differentiable…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Toon Van de Maele , Ozan Catal , Alexander Tschantz , Christopher L. Buckley , Tim Verbelen

Real2Sim is becoming increasingly important with the rapid development of surgical artificial intelligence (AI) and autonomy. In this work, we propose a novel Real2Sim methodology, Instrument-Splatting, that leverages 3D Gaussian Splatting…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Shuojue Yang , Zijian Wu , Mingxuan Hong , Qian Li , Daiyun Shen , Septimiu E. Salcudean , Yueming Jin