Search Results - "Ourednicek, Petr"

Stability and stabilizing efficiency of Mg-Fe layered double hydroxides and mixed oxides in aqueous solutions and soils with elevated As(V), Pb(II) and Zn(II) contents by Hudcová, Barbora, Vítková, Martina, Ouředníček, Petr, Komárek, Michael

“…Although the mechanisms of metal(loid) removal from aqueous solutions using LDHs (layered double hydroxides) and mixed oxides (thermally treated LDHs; CLDHs)…”
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Deep convolutional neural network-based segmentation and classification of difficult to define metastatic spinal lesions in 3D CT data by Chmelik, Jiri, Jakubicek, Roman, Walek, Petr, Jan, Jiri, Ourednicek, Petr, Lambert, Lukas, Amadori, Elena, Gavelli, Giampaolo

“…•Individual architecture of convolutional neural network.•Patient and scan protocol dependent pre-processing.•Medial axis transform post-processing for shape…”
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Biochar presence in soil significantly decreased saturated hydraulic conductivity due to swelling by Jačka, Lukáš, Trakal, Lukáš, Ouředníček, Petr, Pohořelý, Michael, Šípek, Václav

“…[Display omitted] •H2O molecules are fixed on the biochar surface through polar hydrogen bonds.•Soil treated by biochar has been intensively swelled.•Biochar…”
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Synthesis of modified amorphous manganese oxide using low-cost sugars and biochars: Material characterization and metal(loid) sorption properties by Ouředníček, Petr, Hudcová, Barbora, Trakal, Lukáš, Pohořelý, Micheal, Komárek, Michael

“…In this study, amorphous Mn oxides (AMOs) and their composites with biochar (BC) were synthesized using different sugars (glucose, sucrose, and molasses), and…”
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AMOchar: Amorphous manganese oxide coating of biochar improves its efficiency at removing metal(loid)s from aqueous solutions by Trakal, Lukáš, Michálková, Zuzana, Beesley, Luke, Vítková, Martina, Ouředníček, Petr, Barceló, Andreu Piqueras, Ettler, Vojtěch, Číhalová, Sylva, Komárek, Michael

“…•Mn oxide-biochar composite (AMOchar) is a highly promising sorbent.•AMOchar confirmed its amorphous character with dominant peaks of Mn-oxalate.•Biochar…”
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Reduced Radiation Exposure Protocol during Computer Tomography of the Left Atrium Prior to Catheter Ablation in Patients with Atrial Fibrillation by Jadczyk, Tomasz, Wolf, Jiri, Pesl, Martin, Soucek, Filip, Lehar, Frantisek, Jez, Jiri, Kulik, Tomas, Tyshchenko, Bohdan, Belaskova, Silvie, Ourednicek, Petr, Caluori, Guido, Novak, Miroslav, Starek, Zdenek

“…(1) Background: Computer tomography (CT) is an imaging modality used in the pre-planning of radiofrequency catheter ablation (RFA) procedure in patients with…”
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Sub-milliSievert ultralow-dose CT colonography with iterative model reconstruction technique by Lambert, Lukas, Ourednicek, Petr, Briza, Jan, Giepmans, Walter, Jahoda, Jiri, Hruska, Lukas, Danes, Jan

“…Purpose. The purpose of this study was to evaluate the technical and diagnostic performance of sub-milliSievert ultralow-dose (ULD) CT colonograpy (CTC) in the…”
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Learning–based vertebra localization and labeling in 3D CT data of possibly incomplete and pathological spines by Jakubicek, Roman, Chmelik, Jiri, Jan, Jiri, Ourednicek, Petr, Lambert, Lukas, Gavelli, Giampaolo

“…•A framework based on learning approaches.•Patient and scan protocol dependent spine detection based on CNN.•A novel vertebra detection based on spatial…”
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Phantom-less QCT BMD system as screening tool for osteoporosis without additional radiation by Mueller, Dirk K, Kutscherenko, Alex, Bartel, Hans, Vlassenbroek, Alain, Ourednicek, Petr, Erckenbrecht, Joachim

“…Abstract Purpose Phantom-less bone mineral density (PLBMD) systems are easily integrated into the CT workflow for non-dedicated Quantitative CT (QCT) BMD…”
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OPTIMZIED CT SCANNING PROTOCOL OF THE LEFT ATRIUM PRIOR TO RADIOFREQUENCY CATHETER ABLATION IN PATIENTS WITH ATRIAL FIBRILLATION by Jadczyk, Tomasz, Wolf, Jiri, Pesl, Martin, Soucek, Filip, Lehar, František, Jez, Jiri, Kulik, Tomas, Tyshchenko, Bohdan, Belaskova, Silvie, Ourednicek, Petr, Caluori, Guido, Novak, Miroslav, Starek, Zdenek

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Deep-learning-based reconstruction of T2-weighted magnetic resonance imaging of the prostate accelerated by compressed sensing provides improved image quality at half the acquisition time by Jurka, Martin, Macova, Iva, Wagnerova, Monika, Capoun, Otakar, Jakubicek, Roman, Ourednicek, Petr, Lambert, Lukas, Burgetova, Andrea

“…Deep-learning-based reconstruction (DLR) improves the quality of magnetic resonance (MR) images which allows faster acquisitions. The aim of this study was to…”
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Whole-body low-dose computed tomography in multiple myeloma staging: Superior diagnostic performance in the detection of bone lesions, vertebral compression fractures, rib fractures and extraskeletal findings compared to radiography with similar radiation exposure by Lambert, Lukas, Ourednicek, Petr, Meckova, Zuzana, Gavelli, Giampaolo, Straub, Jan, Spicka, Ivan

“…The primary objective of the present prospective study was to compare the diagnostic performance of conventional radiography (CR) and whole-body low-dose…”
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Submilisievert ultralow-dose CT colonography using iterative reconstruction technique: a feasibility study by Lambert, Lukas, Danes, Jan, Jahoda, Jiri, Masek, Martin, Lisy, Jiri, Ourednicek, Petr

“…Computed tomography (CT) colonography is a well established modality for the examination of symptomatic patients as well as in screening. Recent technical…”
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Novel registration-based framework for CT angiography in lower legs by Peter, Roman, Malinsky, Milos, Ourednicek, Petr, Lambert, Lukas, Jan, Jiri

“…Proper subtraction and visualization of contrast-enhanced blood vessels in lower extremities using computed tomography angiography (CTA) is based on precise…”
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Evaluation of left atrial function by multidetector computed tomography before left atrial radiofrequency-catheter ablation: Comparison of a manual and automated 3D volume segmentation method by Wolf, Florian, Ourednicek, Petr, Loewe, Christian, Richter, Bernhard, Gössinger, Heinz David, Gwechenberger, Marianne, Plank, Christina, Schernthaner, Rüdiger Egbert, Toepker, Michael, Lammer, Johannes, Feuchtner, Gudrun M

“…Abstract Introduction The purpose of this study was to compare a manual and automated 3D volume segmentation tool for evaluation of left atrial (LA) function…”
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Deep-learning-based fully automatic spine centerline detection in CT data by Jakubicek, Roman, Chmelik, Jiri, Ourednicek, Petr, Jan, Jiri

“…In this contribution, we present a fully automatic approach, that is based on two convolution neural networks (CNN) together with a spine tracing algorithm…”
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Can pyrolysis and composting of sewage sludge reduce the release of traditional and emerging pollutants in agricultural soils? Insights from field and laboratory investigations by Wickramasinghe, Niluka, Vítková, Martina, Zarzsevszkij, Szimona, Ouředníček, Petr, Šillerová, Hana, Ojo, Omolola Elizabeth, Beesley, Luke, Grasserová, Alena, Cajthaml, Tomáš, Moško, Jaroslav, Hušek, Matěj, Pohořelý, Michael, Čechmánková, Jarmila, Vácha, Radim, Kulhánek, Martin, Máslová, Alena, Komárek, Michael

“…The potential extractability, crop uptake, and ecotoxicity of conventional and emerging organic and metal(loid) contaminants after the application of…”
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Iterative machine learning based rotational alignment of brain 3D CT data by Chmelik, Jiri, Jakubicek, Roman, Vicar, Tomas, Walek, Petr, Ourednicek, Petr, Jan, Jiri

“…The optimal rotational alignment of brain Computed Tomography (CT) images to a required standard position has a crucial importance for both automatic and…”
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Manure‐biochar blends effectively reduce nutrient leaching and increase water retention in a sandy, agricultural soil: Insights from a field experiment by Lebrun, Manhattan, Aguinaga, Maria, Zahid, Zubda, Šimek, Pavel, Ouředníček, Petr, Klápště, Petr, Száková, Jiřina, Bímová, Kateřina Berchová, Jačka, Lukáš, Beesley, Luke, Punčochář, Jan, Trakal, Lukáš

“…Abstract Organic amendments are commonly applied singularly to soils to improve physical, biological and chemical properties, but their combination may be even…”
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Improved disparity based image processing in 3D CT subtractive angiography by Jan, J, Malinsky, M, Peter, R, Ourednicek, P

“…The paper describes a set of approaches and routines designed to improve results in CT based 3D subtractive angiography of lower extremities via better global…”
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