title: Impedance mammograph 3D phantom studies.
abstract: The results obtained using the Technical University of Gdansk Electroimpedance Mammograph (TUGEM) of a 3D phantom study are presented. The TUGEM system is briefly described. The hardware contains the measurement head and DSP-based identification modules controlled by a PC computer. A specially developed reconstruction algorithm, Regulated Correction Frequency Algebraic Reconstruction Technique (RCFART), is used to obtain 3D images. To visualize results, the Advance Visualization System (AVS) is used. It allows a powerful image processing on a fast workstation or on a high-performance computer. Results of three types of 3D conductivity perturbations used in the study (aluminum, Plexiglas, and cucumber) are shown. The relative volumes of perturbations less than 2% of the measurement chamber are easily evidenced.
authors.affiliation: Department of Medical and Ecological Electronics, Technical University of Gdansk, Poland.
authors.forename: J
authors.initials: J
authors.lastname: Wtorek
authors.forename: J
authors.initials: J
authors.lastname: Stelter
authors.forename: A
authors.initials: A
authors.lastname: Nowakowski
mesh_terms: D000465:Algorithms; D000535:Aluminum; D003201:Computers; D018553:Cucumis sativus; D017097:Electric Impedance; D007091:Image Processing, Computer-Assisted; D008327:Mammography / Q000295:instrumentation / Q000379:methods*; D019047:Phantoms, Imaging; D019904:Polymethyl Methacrylate
chemical_list: D019904:Polymethyl Methacrylate; D000535:Aluminum