Quantifying cross-scatter contamination in biplane fluoroscopy motion analysis systems
نویسندگان
چکیده
منابع مشابه
Quantifying cross-scatter contamination in biplane fluoroscopy motion analysis systems.
Biplane fluoroscopy is used for dynamic in vivo three-dimensional motion analysis of various joints of the body. Cross-scatter between the two fluoroscopy systems may limit tracking accuracy. This study measured the magnitude and effects of cross-scatter in biplane fluoroscopic images. Four cylindrical phantoms of 4-, 6-, 8-, and 10-in. diameter were imaged at varying kVp levels to determine th...
متن کاملMarker-based validation of a biplane fluoroscopy system for quantifying foot kinematics.
INTRODUCTION Radiostereometric analysis has demonstrated its capacity to track precise motion of the bones within a subject during motion. Existing devices for imaging the body in two planes are often custom built systems; we present here the design and marker-based validation of a system that has been optimized to image the foot during gait. METHODS Mechanical modifications were made to pair...
متن کاملPreliminary model-based validation of a biplane fluoroscopy system
Background Biplane fluoroscopy can directly track the motion of bones and therefore measure joint kinematics. Our prior markerbased work has demonstrated the ability of our system to accurately and precisely track the motion of known objects (i.e., tantalum beads) [1]. In this study, we present the preliminary bone-based validation of our system by tracking the bones of the foot from cadaveric ...
متن کاملPreliminary marker-based validation of a novel biplane fluoroscopy system
Materials and methods Biplane Fluoroscopy System: The system consists of two Philips BV Pulsera C-arms set in custom frames around a raised floor with a radiolucent imaging area. X-ray images are captured with high speed (1000fps) cameras. Validation Object: 1.6mm tantalum beads were placed in a machined block (wand) then measured to 7 microns with a Coordinate Measuring Machine to determine th...
متن کاملQuantifying biomechanical motion using Procrustes motion analysis.
The ability to quantify and compare the movements of organisms is a central focus of many studies in biology, anthropology, biomechanics, and ergonomics. However, while the importance of functional motion analysis has long been acknowledged, quantitative methods for identifying differences in motion have not been widely developed. In this article, we present an approach to the functional analys...
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ژورنال
عنوان ژورنال: Journal of Medical Imaging
سال: 2015
ISSN: 2329-4302
DOI: 10.1117/1.jmi.2.4.043503