Accurate two-dimensional cardiac strain calculation using adaptive windowed Fourier transform and Gabor wavelet transform.

abstract：PURPOSE:The minimally invasive closure of the left atrial appendage is a promising alternative to anticoagulation for stroke prevention in patients suffering from atrial fibrillation. One of the challenges of this procedure is the correct positioning and the coaxial alignment of the tip of the catheter sheath to the im...

journal_title：International journal of computer assisted radiology and surgery

authors： Graf EC,Ott I,Praceus J,Bourier F,Lueth TC

更新日期：2018-06-01 00:00:00

abstract：PURPOSE:StereoElectroEncephaloGraphy (SEEG) is done to identify the epileptogenic zone of the brain using several multi-lead electrodes whose positions in the brain are pre-operatively defined. Intracranial hemorrhages due to disruption of blood vessels can cause major complications of this procedure ([Formula: see tex...

journal_title：International journal of computer assisted radiology and surgery

authors： De Momi E,Caborni C,Cardinale F,Casaceli G,Castana L,Cossu M,Mai R,Gozzo F,Francione S,Tassi L,Lo Russo G,Antiga L,Ferrigno G

更新日期：2014-11-01 00:00:00

abstract：PURPOSE:Intra-procedural acquisition of the patient anatomy is a key technique in the context of computer-assisted interventions (CAI). Ultrasound (US) offers major advantages as an interventional imaging modality because it is real time and low cost and does not expose the patient or physician to harmful radiation. To...

journal_title：International journal of computer assisted radiology and surgery

authors： März K,Franz AM,Seitel A,Winterstein A,Bendl R,Zelzer S,Nolden M,Meinzer HP,Maier-Hein L

更新日期：2014-05-01 00:00:00

abstract：PURPOSE:Abnormalities of aortic surface and aortic diameter can be related to cardiovascular disease and aortic aneurysm. Computer-based aortic segmentation and measurement may aid physicians in related disease diagnosis. This paper presents a fully automated algorithm for aorta segmentation in low-dose non-contrast CT...

journal_title：International journal of computer assisted radiology and surgery

authors： Xie Y,Padgett J,Biancardi AM,Reeves AP

更新日期：2014-03-01 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:This article investigates the current state of the art of the use of auditory display in image-guided medical interventions. Auditory display is a means of conveying information using sound, and we review the use of this approach to support navigated interventions. We discuss the benefits and drawbacks of publi...

journal_title：International journal of computer assisted radiology and surgery

authors： Black D,Hansen C,Nabavi A,Kikinis R,Hahn H

更新日期：2017-10-01 00:00:00

abstract：PURPOSE:Focal therapy in low-risk prostate cancer may provide the best balance between cancer control and quality of life preservation. As a minimally invasive approach performed under TRUS guidance, brachytherapy is an appealing framework for focal therapy. However, the contrast in TRUS images is generally insufficien...

journal_title：International journal of computer assisted radiology and surgery

authors： Mayer A,Zholkover A,Portnoy O,Raviv G,Konen E,Symon Z

更新日期：2016-06-01 00:00:00

abstract：PURPOSE:This paper proposes a method to predict the deflection of a flexible needle inserted into soft tissue based on the observation of deflection at a single point along the needle shaft. METHODS:We model the needle-tissue as a discretized structure composed of several virtual, weightless, rigid links connected by ...

journal_title：International journal of computer assisted radiology and surgery

authors： Rossa C,Sloboda R,Usmani N,Tavakoli M

更新日期：2016-07-01 00:00:00

abstract：PURPOSE:Many diagnostic or treatment planning applications critically depend on the successful localization of bony structures in CT images. Manual or semiautomatic bone segmentation is tedious, however, and often not practical in clinical routine. In this paper, we present a reliable and fully automatic bone segmentat...

journal_title：International journal of computer assisted radiology and surgery

authors： Klein A,Warszawski J,Hillengaß J,Maier-Hein KH

更新日期：2019-01-01 00:00:00

abstract：PURPOSE:Interactive visualization is required to inspect and monitor the automatic segmentation of vessels derived from contrast-enhanced magnetic resonance angiography (CE-MRA). A dual-view visualization scheme consisting of curved planar reformation (CPR) and direct volume rendering (DVR) was developed for this purpo...

journal_title：International journal of computer assisted radiology and surgery

authors： van Schooten BW,van Dijk EM,Suinesiaputra A,Reiber JH

更新日期：2011-09-01 00:00:00

abstract：PURPOSE:This paper discusses a real-time simulation method of inextensible surgical thread based on the Cosserat rod theory using position-based dynamics (PBD). The method realizes stable twining and knotting of surgical thread while including inextensibility, bending, twisting and coupling effects. METHODS:The Cosser...

journal_title：International journal of computer assisted radiology and surgery

authors： Xu L,Liu Q

更新日期：2018-07-01 00:00:00

abstract：PURPOSE:Accurate target delineation is a critical step in radiotherapy. In this study, a robust contour propagation method is proposed to help physicians delineate lung tumors in four-dimensional computer tomography (4D-CT) images efficiently and accurately. METHODS:The proposed method starts with manually delineated ...

journal_title：International journal of computer assisted radiology and surgery

authors： Liu Y,Jin R,Chen M,Song E,Xu X,Zhang S,Hung CC

更新日期：2016-12-01 00:00:00

abstract：OBJECTIVE:Complex oncologic interventions in the liver require an extensive and careful preoperative analysis. Particularly the achievement of an optimal safety margin around tumors remains a difficult task for surgeons. METHODS:We present new methods for evaluating different safety margins and their effect on the ass...

journal_title：International journal of computer assisted radiology and surgery

authors： Hansen C,Zidowitz S,Hindennach M,Schenk A,Hahn H,Peitgen HO

更新日期：2009-09-01 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:In this paper, we investigate a framework for interactive brain tumor segmentation which, at its core, treats the problem of interactive brain tumor segmentation as a machine learning problem. METHODS:This method has an advantage over typical machine learning methods for this task where generalization is made ...

journal_title：International journal of computer assisted radiology and surgery

authors： Havaei M,Larochelle H,Poulin P,Jodoin PM

更新日期：2016-05-01 00:00:00

abstract：PURPOSE:Epidural and spinal needle insertions, as well as facet joint denervation and injections are widely performed procedures on the lumbar spine for delivering anesthesia and analgesia. Ultrasound (US)-based approaches have gained popularity for accurate needle placement, as they use a non-ionizing, inexpensive and...

journal_title：International journal of computer assisted radiology and surgery

authors： Behnami D,Sedghi A,Anas EMA,Rasoulian A,Seitel A,Lessoway V,Ungi T,Yen D,Osborn J,Mousavi P,Rohling R,Abolmaesumi P

更新日期：2017-06-01 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:Patient-specific biomedical modeling of the breast is of interest for medical applications such as image registration, image guided procedures and the alignment for biopsy or surgery purposes. The computation of elastic properties is essential to simulate deformations in a realistic way. This study presents an ...

journal_title：International journal of computer assisted radiology and surgery

authors： Groenhuis V,Visentin F,Siepel FJ,Maris BM,Dall'alba D,Fiorini P,Stramigioli S

更新日期：2018-10-01 00:00:00

abstract：PURPOSE:Complications in wound healing after neurosurgical operations occur often due to scarred dehiscence with skin blood perfusion disturbance. The standard imaging method for intraoperative skin perfusion assessment is the invasive indocyanine green video angiography (ICGA). The noninvasive dynamic infrared thermog...

journal_title：International journal of computer assisted radiology and surgery

authors： Rathmann P,Chalopin C,Halama D,Giri P,Meixensberger J,Lindner D

更新日期：2018-03-01 00:00:00

abstract：PURPOSE:Medical imaging and in particular digital radiographic images offer a great deal of information to dentists in the clinical diagnosis and treatment processes on a daily basis. This paper presents a new method aimed to produce an accurate segmentation of dental implants and the crestal bone line in radiographic ...

journal_title：International journal of computer assisted radiology and surgery

authors： Cunha P,Guevara MA,Messias A,Rocha S,Reis R,Nicolau PM

更新日期：2013-09-01 00:00:00

abstract：OBJECTIVES:Image-guided otological surgeries require minimal invasiveness and high accuracy, and these two factors usually compete with each other. Our recently developed registration method, called the STAMP method, showed minimal invasiveness with accuracy comparable to that of the current more invasive registration ...

journal_title：International journal of computer assisted radiology and surgery

authors： Oka M,Cho B,Matsumoto N,Hong J,Jinnouchi M,Ouchida R,Komune S,Hashizume M

更新日期：2014-01-01 00:00:00

abstract：PURPOSE:Automatic segmentation of anatomical structures and lesions from medical ultrasound images is a formidable challenge in medical imaging due to image noise, blur and artifacts. In this paper we present a segmentation technique with features highly suited to use in noisy 3D ultrasound volumes and demonstrate its ...

journal_title：International journal of computer assisted radiology and surgery

authors： Hareendranathan AR,Mabee M,Punithakumar K,Noga M,Jaremko JL

更新日期：2016-01-01 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:Sharing of medical data is crucial for the proper treatment of patients as it could reduce the risk of duplicated medical tests and speed up the care process if all documents are readily available. Despite great technical progress, sharing patient data while maintaining full control over the process in an inter...

journal_title：International journal of computer assisted radiology and surgery

authors： Schwind F,Münch H,Schröter A,Brandner R,Kutscha U,Brandner A,Heinze O,Bergh B,Engelmann U

更新日期：2018-11-01 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:Boundary roughness of a pulmonary nodule is an important indication of its malignancy. The irregularity of the shape of a nodule is represented in terms of a few diagnostic characteristics such as spiculation, lobulation, and sphericity. Quantitative characterization of these diagnostic characteristics is essen...

journal_title：International journal of computer assisted radiology and surgery

authors： Dhara AK,Mukhopadhyay S,Saha P,Garg M,Khandelwal N

更新日期：2016-03-01 00:00:00

abstract：PURPOSE:This paper presents a method to use the Smart Trocars-our new surgical instrument recognition system-or any accurate localization system of surgical instrument for acquiring intraoperative surface data. Complex laparoscopic surgeries need a proper guidance system which requires registering the preoperative data...

journal_title：International journal of computer assisted radiology and surgery

authors： Garbey M,Nguyen TB,Huang AY,Fikfak V,Dunkin BJ

更新日期：2018-02-01 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:Three-dimensional (3D) printing for preoperative planning has been intensively developed in the recent years. However, the implementation of these solutions in hospitals is still difficult due to high costs, extremely expensive industrial-grade printers, and software that is difficult to obtain and learn along ...

journal_title：International journal of computer assisted radiology and surgery

authors： Witowski JS,Pędziwiatr M,Major P,Budzyński A

更新日期：2017-12-01 00:00:00

abstract：PURPOSE:Surgical quality in phonomicrosurgery can be improved by open-loop laser control (e.g., high-speed scanning capabilities) with a robust and accurate closed-loop visual servoing systems. A new vision-based system for laser scanning control during robot-assisted phonomicrosurgery was developed and tested. METHOD...

journal_title：International journal of computer assisted radiology and surgery

authors： Dagnino G,Mattos LS,Caldwell DG

更新日期：2015-02-01 00:00:00