English
Related papers

Related papers: Fast and Reliable Autonomous Surgical Debridement …

200 papers

Wound image segmentation is a critical component for the clinical diagnosis and in-time treatment of wounds. Recently, deep learning has become the mainstream methodology for wound image segmentation. However, the pre-processing of the…

Image and Video Processing · Electrical Eng. & Systems 2022-07-13 Honghui Liu , Changjian Wang , Kele Xu , Fangzhao Li , Ming Feng , Yuxing Peng , Hongjun He

Tight-frame, a generalization of orthogonal wavelets, has been used successfully in various problems in image processing, including inpainting, impulse noise removal, super-resolution image restoration, etc. Segmentation is the process of…

Numerical Analysis · Mathematics 2015-03-19 Xiaohao Cai , Raymond Chan , Serena Morigi , Fiorella Sgallari

In this article, we present a graph-based method using a cubic template for volumetric segmentation of vertebrae in magnetic resonance imaging (MRI) acquisitions. The user can define the degree of deviation from a regular cube via a…

Computer Vision and Pattern Recognition · Computer Science 2015-06-19 Robert Schwarzenberg , Bernd Freisleben , Christopher Nimsky , Jan Egger

Robust unsupervised anomaly detection (AD) in real-world scenarios is an important task. Current methods exhibit severe performance degradation on the MVTec AD 2 benchmark due to its complex real-world challenges. To solve this problem, we…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Xurui Li , Zhonesheng Jiang , Tingxuan Ai , Yu Zhou

Citrus segmentation is a key step of automatic citrus picking. While most current image segmentation approaches achieve good segmentation results by pixel-wise segmentation, these supervised learning-based methods require a large amount of…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Heqing Huang , Tongbin Huang , Zhen Li , Zhiwei Wei , Shilei Lv

Visual-inertial systems rely on precise calibrations of both camera intrinsics and inter-sensor extrinsics, which typically require manually performing complex motions in front of a calibration target. In this work we present a novel…

Mobile robots will play a crucial role in the transition towards sustainable agriculture. To autonomously and effectively monitor the state of plants, robots ought to be equipped with visual perception capabilities that are robust to the…

Robotics · Computer Science 2023-07-04 Agnese Chiatti , Riccardo Bertoglio , Nico Catalano , Matteo Gatti , Matteo Matteucci

In this paper, we propose a novel Dual Inexact Splitting Algorithm (DISA) for distributed convex composite optimization problems, where the local loss function consists of a smooth term and a possibly nonsmooth term composed with a linear…

Optimization and Control · Mathematics 2023-04-25 Luyao Guo , Xinli Shi , Shaofu Yang , Jinde Cao

Advances in image registration and machine learning have recently enabled volumetric analysis of postmortem brain tissue from conventional photographs of coronal slabs, which are routinely collected in brain banks and neuropathology…

Fetal brain segmentation is an important first step for slice-level motion correction and slice-to-volume reconstruction in fetal MRI. Fast and accurate segmentation of the fetal brain on fetal MRI is required to achieve real-time fetal…

Image and Video Processing · Electrical Eng. & Systems 2022-05-05 Razieh Faghihpirayesh , Davood Karimi , Deniz Erdogmus , Ali Gholipour

Robot-assisted surgery is an emerging technology which has undergone rapid growth with the development of robotics and imaging systems. Innovations in vision, haptics and accurate movements of robot arms have enabled surgeons to perform…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Mobarakol Islam , Daniel A. Atputharuban , Ravikiran Ramesh , Hongliang Ren

Channel estimation and beamforming play critical roles in frequency-division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems. However, these two modules have been treated as two stand-alone components, which makes it…

Signal Processing · Electrical Eng. & Systems 2021-08-04 Yifan Ma , Yifei Shen , Xianghao Yu , Jun Zhang , S. H. Song , Khaled B. Letaief

Intraoperative navigation in spine surgery demands millimeter-level accuracy. Currently, this is achieved through radiation-intensive intraoperative imaging and bone-anchored markers that are invasive and disrupt surgical workflow.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Lorenzo Pettinari , Sidaty El Hadramy , Michael Wehrli , Philippe C. Cattin , Daniel Studer , Carol C. Hasler , Maria Licci

Physicians perform minimally invasive percutaneous procedures under Computed Tomography (CT) image guidance both for the diagnosis and treatment of numerous diseases. For these procedures performed within Computed Tomography Scanners,…

Learning from human demonstrations can facilitate automation but is risky because the execution of the learned policy might lead to collisions and other failures. Adding explicit constraints to avoid unsafe states is generally not possible…

Robotics · Computer Science 2018-10-17 Jonathan Lee , Michael Laskey , Roy Fox , Ken Goldberg

Most intelligent transportation systems use a combination of radar sensors and cameras for robust vehicle perception. The calibration of these heterogeneous sensor types in an automatic fashion during system operation is challenging due to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Christoph Schöller , Maximilian Schnettler , Annkathrin Krämmer , Gereon Hinz , Maida Bakovic , Müge Güzet , Alois Knoll

This paper introduces a new surgical end-effector probe, which allows to accurately apply a contact force on a tissue, while at the same time allowing for high resolution and highly repeatable probe movement. These are achieved by…

Robotics · Computer Science 2017-12-12 Kiyoteru Miyashita , Timo Oude Vrielink , George Mylonas

Traditional feature-based image stitching technologies rely heavily on feature detection quality, often failing to stitch images with few features or low resolution. The learning-based image stitching solutions are rarely studied due to the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Lang Nie , Chunyu Lin , Kang Liao , Shuaicheng Liu , Yao Zhao

Recent advancements in deep learning-based image compression are notable. However, prevalent schemes that employ a serial context-adaptive entropy model to enhance rate-distortion (R-D) performance are markedly slow. Furthermore, the…

Applications · Statistics 2024-03-25 Haisheng Fu , Feng Liang , Jie Liang , Zhenman Fang , Guohe Zhang , Jingning Han

Visual servoing enables robotic systems to perform accurate closed-loop control, which is required in many applications. However, existing methods either require precise calibration of the robot kinematic model and cameras or use neural…