abstract：PURPOSE:Current surgical robotic systems are either large serial arms, resulting in higher risks due to their high inertia and no inherent limitations of the working space, or they are bone-mounted, adding substantial additional task steps to the surgical workflow. The robot presented in this paper has a handy and ligh...

journal_title：International journal of computer assisted radiology and surgery

authors： Vossel M,Müller M,Niesche A,Theisgen L,Radermacher K,de la Fuente M

更新日期：2021-01-23 00:00:00

abstract：PURPOSE:Airway tree segmentation plays a pivotal role in chest computed tomography (CT) analysis tasks such as lesion localization, surgical planning, and intra-operative guidance. The remaining challenge is to identify small bronchi correctly, which facilitates further segmentation of the pulmonary anatomies. METHODS...

journal_title：International journal of computer assisted radiology and surgery

authors： Zhou K,Chen N,Xu X,Wang Z,Guo J,Liu L,Yi Z

更新日期：2021-01-19 00:00:00

abstract：PURPOSE:In this study, we propose a deep learning approach for assessment of gallbladder (GB) wall vascularity from images of laparoscopic cholecystectomy (LC). Difficulty in the visualization of GB wall vessels may be the result of fatty infiltration or increased thickening of the GB wall, potentially as a result of c...

journal_title：International journal of computer assisted radiology and surgery

authors： Loukas C,Frountzas M,Schizas D

更新日期：2021-01-01 00:00:00

abstract：PURPOSE:As the spectrum of X-ray procedures has increased both for diagnostic and for interventional cases, more attention is paid to X-ray dose management. While the medical benefit to the patient outweighs the risk of radiation injuries in almost all cases, reproducible studies on organ dose values help to plan preve...

journal_title：International journal of computer assisted radiology and surgery

authors： Roser P,Birkhold A,Preuhs A,Ochs P,Stepina E,Strobel N,Kowarschik M,Fahrig R,Maier A

更新日期：2021-01-01 00:00:00

abstract：PURPOSE:Conventional positron emission tomography can be used only preoperatively to identify lymph node metastases, and hence, these growths are difficult to locate intraoperatively. Previously, an intraoperative laparoscopic coincidence imaging system, with an external fixed detector array and a detector probe that c...

journal_title：International journal of computer assisted radiology and surgery

authors： Liyanaarachchi MR,Shimazoe K,Takahashi H,Nakagawa K,Kobayashi E,Sakuma I

更新日期：2021-01-01 00:00:00

abstract：PURPOSE:In the context of aviation and automotive navigation technology, assistance functions are associated with predictive planning and wayfinding tasks. In endoscopic minimally invasive surgery, however, assistance so far relies primarily on image-based localization and classification. We show that navigation workfl...

journal_title：International journal of computer assisted radiology and surgery

authors： Bieck R,Heuermann K,Pirlich M,Neumann J,Neumuth T

更新日期：2020-12-01 00:00:00

abstract：PURPOSE:Data augmentation is a common technique to overcome the lack of large annotated databases, a usual situation when applying deep learning to medical imaging problems. Nevertheless, there is no consensus on which transformations to apply for a particular field. This work aims at identifying the effect of differen...

journal_title：International journal of computer assisted radiology and surgery

authors： Sánchez-Peralta LF,Picón A,Sánchez-Margallo FM,Pagador JB

更新日期：2020-12-01 00:00:00

abstract：PURPOSE:Delayed cerebral ischemia represents a significant cause of poor functional outcome for patients with vasospasm after subarachnoid hemorrhage. We investigated whether delayed cerebral ischemia could be detected by the arterial opacification of internal carotid artery at the level of the skull base. METHODS:In ...

journal_title：International journal of computer assisted radiology and surgery

authors： Ognard J,Cheddad El Aouni M,Dissaux B,Jomaah R,Rousseau PY,Burdin V,Ben Salem D,Gentric JC

更新日期：2020-12-01 00:00:00

abstract：PURPOSE:Twin-to-twin transfusion syndrome (TTTS) is a serious condition that occurs in about 10-15% of monochorionic twin pregnancies. In most instances, the blood flow is unevenly distributed throughout the placenta anastomoses leading to the death of both fetuses if no surgical procedure is performed. Fetoscopic lase...

journal_title：International journal of computer assisted radiology and surgery

authors： Perera-Bel E,Ceresa M,Torrents-Barrena J,Masoller N,Valenzuela-Alcaraz B,Gratacós E,Eixarch E,González Ballester MA

更新日期：2020-11-01 00:00:00

abstract：:Purpose The identification of abnormalities that are relatively rare within otherwise normal anatomy is a major challenge for deep learning in the semantic segmentation of medical images. The small number of samples of the minority classes in the training data makes the learning of optimal classification challenging, ...

journal_title：International journal of computer assisted radiology and surgery

authors： Rezaei M,Näppi JJ,Lippert C,Meinel C,Yoshida H

更新日期：2020-11-01 00:00:00

abstract：PURPOSE:Accurate needle tracking provides essential information for MRI-guided percutaneous interventions. Passive needle tracking using MR images is challenged by variations of the needle-induced signal void feature in different situations. This work aimed to develop an automatic needle tracking algorithm for MRI-guid...

journal_title：International journal of computer assisted radiology and surgery

authors： Li X,Young AS,Raman SS,Lu DS,Lee YH,Tsao TC,Wu HH

更新日期：2020-10-01 00:00:00

abstract：PURPOSE:C-arms are portable X-ray devices used to generate radiographic images in orthopedic surgical procedures. Evidence suggests that scouting images, which are used to aid in C-arm positioning, result in increased operation time and excess radiation exposure. C-arms are also primarily used qualitatively to view ima...

journal_title：International journal of computer assisted radiology and surgery

authors： Haliburton L,Esfandiari H,Guy P,Anglin C,Hodgson A

更新日期：2020-10-01 00:00:00

abstract：PURPOSE:Morphological parameters are very important for predicting aneurysm rupture. However, due to geometric radiographic distortion and plane/angle selection bias, the traditional manual measurements (MM) of aneurysm morphology are inaccurate and suffer from severe variability. Our study is to evaluate the accuracy ...

journal_title：International journal of computer assisted radiology and surgery

authors： Geng J,Hu P,Ji Z,Li C,Li L,Shen J,Feng X,Wang W,Yang G,Li J,Zhang H

更新日期：2020-10-01 00:00:00

abstract：PURPOSE:Neoadjuvant chemotherapy (NAC) aims to minimize the tumor size before surgery. Predicting response to NAC could reduce toxicity and delays to effective intervention. Computational analysis of dynamic contrast-enhanced magnetic resonance images (DCE-MRI) through deep convolution neural network (CNN) has shown a ...

journal_title：International journal of computer assisted radiology and surgery

authors： El Adoui M,Drisis S,Benjelloun M

更新日期：2020-09-01 00:00:00

abstract：PURPOSE:Robot-assisted laparoscopic radical prostatectomy (RALRP) using the da Vinci surgical robot is a common treatment for organ-confined prostate cancer. Augmented reality (AR) can help during RALRP by showing the surgeon the location of anatomical structures and tumors from preoperative imaging. Previously, we pro...

journal_title：International journal of computer assisted radiology and surgery

authors： Kalia M,Mathur P,Tsang K,Black P,Navab N,Salcudean S

更新日期：2020-07-01 00:00:00

abstract：PURPOSE:Transrectal ultrasound (TRUS) image guidance is the standard of care for diagnostic and therapeutic interventions in prostate cancer (PCa) patients, but can lead to high false-negative rates, compromising downstream effectiveness of therapeutic choices. A promising approach to improve in-situ detection of PCa l...

journal_title：International journal of computer assisted radiology and surgery

authors： Shams R,Picot F,Grajales D,Sheehy G,Dallaire F,Birlea M,Saad F,Trudel D,Menard C,Leblond F,Kadoury S

更新日期：2020-05-01 00:00:00

abstract：PURPOSE:Sustained delivery of regenerative retinal therapies by robotic systems requires intra-operative tracking of the retinal fundus. We propose a supervised deep convolutional neural network to densely predict semantic segmentation and optical flow of the retina as mutually supportive tasks, implicitly inpainting r...

journal_title：International journal of computer assisted radiology and surgery

authors： Ravasio CS,Pissas T,Bloch E,Flores B,Jalali S,Stoyanov D,Cardoso JM,Da Cruz L,Bergeles C

更新日期：2020-05-01 00:00:00

abstract：PURPOSE:In the last decade, there has been a great effort to bring mixed reality (MR) into the operating room to assist surgeons intraoperatively. However, progress towards this goal is still at an early stage. The aim of this paper is to propose a MR visualisation platform which projects multiple imaging modalities to...

journal_title：International journal of computer assisted radiology and surgery

authors： Cartucho J,Shapira D,Ashrafian H,Giannarou S

更新日期：2020-05-01 00:00:00

abstract：:The article Automated measurement of bone scan index from a whole-body bone scintigram. ...

journal_title：International journal of computer assisted radiology and surgery

authors： Shimizu A,Wakabayashi H,Kanamori T,Saito A,Nishikawa K,Daisaki H,Higashiyama S,Kawabe J

更新日期：2020-03-01 00:00:00

abstract：PURPOSE:A frequently mentioned lack of teleoperated surgical robots is the lack of haptic feedback. Haptics are not only able to mirror force information from the situs, but also to provide spatial guidance according to a surgical plan. However, superposition of the two haptic information can lead to overlapping and ma...

journal_title：International journal of computer assisted radiology and surgery

authors： Schleer P,Kaiser P,Drobinsky S,Radermacher K

更新日期：2020-03-01 00:00:00

abstract：PURPOSE:This work presents a new monocular peer-to-peer tracking concept overcoming the distinction between tracking tools and tracked tools for optical navigation systems. A marker model concept based on marker triplets combined with a fast and robust algorithm for assigning image feature points to the corresponding m...

journal_title：International journal of computer assisted radiology and surgery

authors： Strzeletz S,Hazubski S,Moctezuma JL,Hoppe H

更新日期：2020-03-01 00:00:00

abstract：PURPOSE:Knee arthroscopy suffers from a lack of depth information and easy occlusion of the visual field. To solve these limitations, we propose an arthroscopic navigation system based on self-positioning technology, with the guidance of virtual-vision views. This system can work without any external tracking devices o...

journal_title：International journal of computer assisted radiology and surgery

authors： Ma C,Cui X,Chen F,Ma L,Xin S,Liao H

更新日期：2020-03-01 00:00:00

abstract：PURPOSE:Convolutional neural networks (CNNs) have obtained enormous success in liver segmentation. However, there are several challenges, including low-contrast images, and large variations in the shape, and appearance of the liver. Incorporating prior knowledge in deep CNN models improves their performance and general...

journal_title：International journal of computer assisted radiology and surgery

authors： Mohagheghi S,Foruzan AH

更新日期：2020-02-01 00:00:00

abstract：PURPOSE:This paper presents a novel 3D multimodal registration strategy to fuse 3D real-time echocardiography images with cardiac cine MRI images. This alignment is performed in a saliency space, which is designed to maximize similarity between the two imaging modalities. This fusion improves the quality of the availab...

journal_title：International journal of computer assisted radiology and surgery

authors： Atehortúa A,Garreau M,Simon A,Donal E,Lederlin M,Romero E

更新日期：2020-02-01 00:00:00

abstract：PURPOSE:The purpose is to design and validate an anthropomorphic polyvinyl alcohol (PVA) liver phantom with respiratory motion to simulate needle-based interventions. Such a system can, for example, be used as a validation tool for novel needles. METHODS:Image segmentations of CT scans of four patients during inspirat...

journal_title：International journal of computer assisted radiology and surgery

authors： de Jong TL,Moelker A,Dankelman J,van den Dobbelsteen JJ

更新日期：2019-12-01 00:00:00

abstract：PURPOSE:Radio-frequency ablations play an important role in the therapy of malignant liver lesions. The navigation of a needle to the lesion poses a challenge for both the trainees and intervening physicians. METHODS:This publication presents a new GPU-based, accurate method for the simulation of radio-frequency ablat...

journal_title：International journal of computer assisted radiology and surgery

authors： Kath N,Handels H,Mastmeyer A

更新日期：2019-11-01 00:00:00

abstract：PURPOSE:The main purpose of this work is to develop, apply, and evaluate an efficient approach for breast density estimation in magnetic resonance imaging data, which contain strong artifacts including intensity inhomogeneities. METHODS:We present a pipeline for breast density estimation, which consists of intensity i...

journal_title：International journal of computer assisted radiology and surgery

authors： Ivanovska T,Jentschke TG,Daboul A,Hegenscheid K,Völzke H,Wörgötter F

更新日期：2019-10-01 00:00:00

abstract：PURPOSE:In image-guided surgery for glioma removal, neurosurgeons usually plan the resection on images acquired before surgery and use them for guidance during the subsequent intervention. However, after the surgical procedure has begun, the preplanning images become unreliable due to the brain shift phenomenon, caused...

journal_title：International journal of computer assisted radiology and surgery

authors： Canalini L,Klein J,Miller D,Kikinis R

更新日期：2019-10-01 00:00:00

abstract：PURPOSE:The anterior cruciate ligament tear is a common medical condition that is treated using arthroscopy by pulling a tissue graft through a tunnel opened with a drill. The correct anatomical position and orientation of this tunnel are crucial for knee stability, and drilling an adequate bone tunnel is the most tech...

journal_title：International journal of computer assisted radiology and surgery

authors： Raposo C,Barreto JP,Sousa C,Ribeiro L,Melo R,Oliveira JP,Marques P,Fonseca F,Barrett D

更新日期：2019-09-01 00:00:00

abstract：PURPOSE:Gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid (Gd-EOB-DTPA)-enhanced magnetic resonance imaging (MRI) tends to show higher diagnostic accuracy than other modalities. There is a demand for computer-assisted detection (CAD) software for Gd-EOB-DTPA-enhanced MRI. Segmentation with high accuracy is im...

journal_title：International journal of computer assisted radiology and surgery

authors： Takenaga T,Hanaoka S,Nomura Y,Nemoto M,Murata M,Nakao T,Miki S,Yoshikawa T,Hayashi N,Abe O

更新日期：2019-08-01 00:00:00

abstract：PURPOSE:To evaluate the effect of image registration on the diagnostic performance of transfer learning (TL) using pretrained convolutional neural networks (CNNs) and three-phasic dynamic contrast-enhanced computed tomography (DCE-CT) for primary liver cancers. METHODS:We retrospectively evaluated 215 consecutive pati...

journal_title：International journal of computer assisted radiology and surgery

authors： Yamada A,Oyama K,Fujita S,Yoshizawa E,Ichinohe F,Komatsu D,Fujinaga Y

更新日期：2019-08-01 00:00:00

abstract：PURPOSE:In surgical navigation, pre-operative organ models are presented to surgeons during the intervention to help them in efficiently finding their target. In the case of soft tissue, these models need to be deformed and adapted to the current situation by using intra-operative sensor data. A promising method to rea...

journal_title：International journal of computer assisted radiology and surgery

authors： Pfeiffer M,Riediger C,Weitz J,Speidel S

更新日期：2019-07-01 00:00:00

abstract：:Prostate cancer (PCa) is the most frequent noncutaneous cancer in men. Early detection of PCa is essential for clinical decision making, and reducing metastasis and mortality rates. The current approach for PCa diagnosis is histopathologic analysis of core biopsies taken under transrectal ultrasound guidance (TRUS-gui...

journal_title：International journal of computer assisted radiology and surgery

authors： Sedghi A,Pesteie M,Javadi G,Azizi S,Yan P,Kwak JT,Xu S,Turkbey B,Choyke P,Pinto P,Wood B,Rohling R,Abolmaesumi P,Mousavi P

更新日期：2019-06-01 00:00:00

abstract：PURPOSE:Planning osteotomies is a task that surgeons do as part of standard surgical workflow. This task, however, becomes more difficult and less intuitive when a robot is tasked with performing the osteotomy. In this study, we aim to provide a new method for surgeons to allow for highly intuitive trajectory planning,...

journal_title：International journal of computer assisted radiology and surgery

authors： Jivraj J,Deorajh R,Lai P,Chen C,Nguyen N,Ramjist J,Yang VXD

更新日期：2019-05-01 00:00:00

abstract：PURPOSE:The objective of medical content-based image retrieval (CBIR) is to assist clinicians in decision making by retrieving the most similar cases to a given query image from a large database. Herein, a new method for content-based image retrieval of cone beam CT (CBCT) scans is presented. METHODS:The introduced fr...

journal_title：International journal of computer assisted radiology and surgery

authors： Abdolali F,Zoroofi RA,Otake Y,Sato Y

更新日期：2019-05-01 00:00:00

abstract：PURPOSE:The remote medical diagnosis system (RMDS) is for providing medical diagnosis to the patients located in remote sites. To apply to RMDS and medical automation, many master-slave type ultrasound scanning robots are being developed and researched. One of the important research issue of the master-slave type ultra...

journal_title：International journal of computer assisted radiology and surgery

authors： Kim YJ,Park CK,Kim KG

更新日期：2019-05-01 00:00:00

abstract：BACKGROUND:Image registration lies in the core of augmented reality (AR), which aligns the virtual scene with the reality. In AR surgical navigation, the performance of image registration is vital to the surgical outcome. METHODS:This paper presents a practical marker-less image registration method for AR-guided oral ...

journal_title：International journal of computer assisted radiology and surgery

authors： Wang J,Shen Y,Yang S

更新日期：2019-05-01 00:00:00

abstract：PURPOSE:To develop and validate an automated assessment of surgical performance (AASP) system for objective and computerized assessment of pelvic lymph node dissection (PLND) as an integral part of robot-assisted radical cystectomy (RARC) using console-feed videos recorded during live surgery. METHODS:Video recordings...

journal_title：International journal of computer assisted radiology and surgery

authors： Baghdadi A,Hussein AA,Ahmed Y,Cavuoto LA,Guru KA

更新日期：2019-04-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The ultrasound B-mode-based morphological and texture analysis and Nakagami parametric imaging have been proposed to characterize breast tumors. Since these three feature categories of ultrasonic tissue characterization supply information on different physical characteristics of breast tumors, ...

journal_title：International journal of computer assisted radiology and surgery

authors： Hsu SM,Kuo WH,Kuo FC,Liao YY

更新日期：2019-04-01 00:00:00

abstract：PURPOSE:The goal of this study was to develop an algorithm that enhances the temporal resolution of two-dimensional color Doppler echocardiography (2D CDE) by reordering all the acquired frames and filtering out the frames corrupted by out-of-plane motion and arrhythmia. METHODS:The algorithm splits original frame seq...

journal_title：International journal of computer assisted radiology and surgery

authors： Terentjev AB,Perrin DP,Settlemier SH,Zurakowski D,Smirnov PO,Del Nido PJ,Shturts IV,Vasilyev NV

更新日期：2019-04-01 00:00:00