Results 1 to 10 of about 8,453 (105)

A Skin-Conformal, Stretchable, and Breathable Fiducial Marker Patch for Surgical Navigation Systems [PDF]

Micromachines, 2020
Augmented reality (AR) surgical navigation systems have attracted considerable attention as they assist medical professionals in visualizing the location of ailments within the human body that are not readily seen with the naked eye.
Sangkyu Lee, Jiyong Yoon, Hyoung Won Baac   +2 more
exaly   +4 more sources

Tape-Shaped, Multiscale, and Continuous-Readable Fiducial Marker for Indoor Navigation and Localization Systems [PDF]

Sensors
The present study proposes a fiducial marker for location systems that uses computer vision. The marker employs a set of tape-shaped markers that facilitate their positioning in the environment, allowing continuous reading to cover the entire perimeter ...
Benedito S R Neto, Tiago Davi Oliveira DE ARAUJO, Bianchi Serique Meiguins   +2 more
exaly   +4 more sources

Targeting the invisible: precision fiducial marker placement in poorly visible liver tumors prior to percutaneous ablation using real-time image fusion guidance [PDF]

Frontiers in Radiology
PurposeThis study aimed to assess the feasibility and accuracy of fiducial marker placement using US-CT/MRI fusion imaging guidance in poorly conspicuous liver tumors prior to percutaneous thermal ablation (PTA).MethodFrom January 2016 to February 2018 ...
N. Villard, G. Tsoumakidou, F. Gay, F. Gay, P. Rousset, G. Passot, A. Muller, J. Dumortier, P. J. Valette, L. Milot   +9 more
doaj   +2 more sources

Estimating Dining Plate Size From an Egocentric Image Sequence Without a Fiducial Marker [PDF]

Frontiers in Nutrition, 2021
Despite the extreme importance of food intake in human health, it is currently difficult to conduct an objective dietary assessment without individuals' self-report.
Wenyan Jia, Zekun Wu, Yiqiu Ren, Shunxin Cao, Zhi-Hong Mao, Zhi-Hong Mao, Mingui Sun, Mingui Sun, Mingui Sun   +8 more
doaj   +2 more sources

Accidental transcutaneous displacement of a fiducial marker during transperineal prostate biopsy: a case report and narrative review [PDF]

BMC Urology
Background Fiducial markers are commonly used to guide precise radiotherapy in prostate cancer patients. While intraprostatic migration has been described, transcutaneous displacement during biopsy is exceedingly rare.
Charlotte Müssgens, Beat Roth, Nicolas Arnold, Laila Schneidewind, Mohamed Shelan, Nicola Giudici   +5 more
doaj   +2 more sources

Impact of Fiducial Marker Placement Before Stereotactic Body Radiation Therapy on Clinical Outcomes in Patients With Pancreatic Cancer [PDF]

Advances in Radiation Oncology, 2021
Purpose: Localized pancreatic cancer is commonly treated with stereotactic body radiation therapy (SBRT), which often requires the placement of fiducial markers. We compared the clinical outcomes of patients with and without fiducial markers. Methods and
Shalini Moningi, MD, Joseph Abi Jaoude, MD, Ramez Kouzy, MD, Daniel Lin, BA, Nicholas D. Nguyen, BA, Carolina J. Garcia Garcia, BS, Jae L. Phan, BA, Santiago Avila, BA, Daniel Smani, BA, Irina M. Cazacu, MD, Ben S. Singh, BA, Grace L. Smith, MD, PhD, MPH, Emma B. Holliday, MD, Eugene J. Koay, MD, PhD, Prajnan Das, MD, MS, MPH, Manoop S. Bhutani, MD, Joseph M. Herman, MD, MSc, MSHM, Bruce D. Minsky, MD, Albert C. Koong, MD, PhD, Cullen M. Taniguchi, MD, PhD   +19 more
doaj   +2 more sources

Prostate Fiducial Marker Placement in Patients on Anticoagulation: Feasibility Prior to Prostate SBRT [PDF]

Frontiers in Oncology, 2020
Background and Purpose: Fiducial marker placement is required in patients undergoing robotic-based Stereotactic Body Radiotherapy (SBRT) or image-guided radiation therapy (IGRT) for prostate cancer.
Michelle Iocolano, Michelle Iocolano, Seth Blacksburg, Todd Carpenter, Michael Repka, Susan Carbone, Gizem Demircioglu, Maryann Miccio, Aaron Katz, Jonathan Haas   +9 more
doaj   +2 more sources

Assessment of real-time US-CT/MR-guided percutaneous gold fiducial marker implementation in malignant hepatic tumors for stereotactic body radiation therapy [PDF]

Journal of Liver Cancer
Backgrounds/Aims This study explored the initial institutional experience of using gold fiducial markers for stereotactic body radiotherapy (SBRT) in treating malignant hepatic tumors using real-time ultrasound-computed tomography (CT)/magnetic resonance
Sungjun Hwang, Seok-Joo Chun, Eui Kyu Chie, Jeong Min Lee   +3 more
doaj   +2 more sources

Optimized fiducial marker placement using B‐spline surface modeling and graph theory for Cyberknife stereotactic body radiotherapy for superficial tumors [PDF]

Precision Radiation Oncology
CyberKnife, an established noninvasive stereotactic radiotherapy technology, has been extensively utilized to treat various malignancies because of its high precision and conformal dose delivery. The success of CyberKnife treatment is crucially dependent
Jing Huang, Xianlong Xiong, Cheng Chen, Yuhan Li, Ruijie Wang, Zhitao Dai   +5 more
doaj   +2 more sources

A Fiducial-Marker-Based Localization Method for Automotive Chassis Bolt Assembly [PDF]

Sensors
To address the difficulty of accurately localizing automotive chassis bolts during the assembly process—caused by non-uniform illumination, limited camera installation space, and occlusions from the vehicle body structure—a fiducial-marker-based ...
Xiangqian Peng, Yingjie Xiao, Zhewu Chen, Kaijie Chen, Hong Huang   +4 more
doaj   +2 more sources