Juha H Koivisto
Juha H Koivisto
Adjunct Professor, PhD, University of Helsinki
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CT image segmentation methods for bone used in medical additive manufacturing
M Van Eijnatten, R van Dijk, J Dobbe, G Streekstra, J Koivisto, J Wolff
Medical engineering & physics 51, 6-16, 2018
Assessment of effective radiation dose of an extremity CBCT, MSCT and conventional X ray for knee area using MOSFET dosemeters
J Koivisto, T Kiljunen, J Wolff, M Kortesniemi
Radiation protection dosimetry 157 (4), 515-524, 2013
Effective radiation dose of a MSCT, two CBCT and one conventional radiography device in the ankle region
J Koivisto, T Kiljunen, N Kadesjö, XQ Shi, J Wolff
Journal of foot and ankle research 8, 1-11, 2015
Assessment of radiation exposure in dental cone-beam computerized tomography with the use of metal-oxide semiconductor field-effect transistor (MOSFET) dosimeters and Monte …
J Koivisto, T Kiljunen, M Tapiovaara, J Wolff, M Kortesniemi
Oral surgery, oral medicine, oral pathology and oral radiology 114 (3), 393-400, 2012
The impact of manual threshold selection in medical additive manufacturing
M Van Eijnatten, J Koivisto, K Karhu, T Forouzanfar, J Wolff
International journal of computer assisted radiology and surgery 12, 607-615, 2017
Effective radiation dose in the wrist resulting from a radiographic device, two CBCT devices and one MSCT device: a comparative study
J Koivisto, M Van Eijnatten, T Kiljunen, XQ Shi, J Wolff
Radiation protection dosimetry 179 (1), 58-68, 2018
Imaging cochlear implantation with round window insertion in human temporal bones and cochlear morphological variation using high-resolution cone beam CT
J Zou, J Lähelmä, J Koivisto, A Dhanasingh, C Jolly, A Aarnisalo, J Wolff, ...
Acta oto-laryngologica 135 (5), 466-472, 2015
Characterization of MOSFET dosimeter angular dependence in three rotational axes measured free-in-air and in soft-tissue equivalent material
J Koivisto, T Kiljunen, J Wolff, M Kortesniemi
Journal of radiation research 54 (5), 943-949, 2013
Influence of CT parameters on STL model accuracy
M Van Eijnatten, FH Berger, P De Graaf, J Koivisto, T Forouzanfar, J Wolff
Rapid Prototyping Journal 23 (4), 678-685, 2017
Characterization of MOSFET dosimeters for low‐dose measurements in maxillofacial anthropomorphic phantoms
JH Koivisto, JE Wolff, T Kiljunen, D Schulze, M Kortesniemi
Journal of applied clinical medical physics 16 (4), 266-278, 2015
Effective dose assessment in the maxillofacial region using thermoluminescent (TLD) and metal oxide semiconductor field-effect transistor (MOSFET) dosemeters: a comparative study
J Koivisto, D Schulze, J Wolff, D Rottke
Dentomaxillofacial Radiology 43 (8), 20140202, 2014
Assessment of the effective dose in supine, prone, and oblique positions in the maxillofacial region using a novel combined extremity and maxillofacial cone beam computed …
J Koivisto, J Wolff, J Järnstedt, P Dastidar, M Kortesniemi
Oral surgery, oral medicine, oral pathology and oral radiology 118 (3), 355-362, 2014
Effective dose reduction using collimation function in digital panoramic radiography and possible clinical implications in dentistry
D Benchimol, J Koivisto, N Kadesjö, XQ Shi
Dentomaxillofacial radiology 47 (7), 20180007, 2018
Comparison of convolutional neural network training strategies for cone-beam CT image segmentation
J Minnema, J Wolff, J Koivisto, F Lucka, KJ Batenburg, T Forouzanfar, ...
Computer Methods and Programs in Biomedicine 207, 106192, 2021
Imaging optimization of temporal bones with cochlear implant using a high-resolution cone beam CT and the corresponding effective dose
J Zou, J Koivisto, J Lähelmä, A Aarnisalo, J Wolff, I Pyykkö
Annals of Otology, Rhinology & Laryngology 124 (6), 466-473, 2015
Dosimetry of orthodontic diagnostic FOVs using low dose CBCT protocol
JB Ludlow, J Koivisto
University of North Carolina Chapel Hill, School of Dentistry, Chapel Hill …, 2015
Impact of prone, supine and oblique patient positioning on CBCT image quality, contrast-to-noise ratio and figure of merit value in the maxillofacial region
J Koivisto, M Van Eijnatten, J Järnstedt, K Holli-Helenius, P Dastidar, ...
Dentomaxillofacial Radiology 46 (6), 20160418, 2017
Comparative dosimetry of radiography device, MSCT device and two CBCT devices in the elbow region
J Koivisto, M van Eijnatten, J Ludlow, T Kiljunen, XQ Shi, J Wolff
Journal of applied clinical medical physics 22 (5), 128-138, 2021
Impact of thyroid gland shielding on radiation doses in dental cone beam computed tomography with small and medium fields of view
M Grüning, J Koivisto, J Mah, A Bumann
Oral surgery, oral medicine, oral pathology and oral radiology 134 (2), 245-253, 2022
Efficient high cone-angle artifact reduction in circular cone-beam CT using deep learning with geometry-aware dimension reduction
J Minnema, M Van Eijnatten, H Der Sarkissian, S Doyle, J Koivisto, J Wolff, ...
Physics in Medicine & Biology 66 (13), 135015, 2021
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