Blind Deconvolution in Dynamic Contrast-Enhanced MRI and Ultrasound

被引：0

作者：

Jirik, Radovan ^{[1
]}

Soucek, Karel ^{[2
,3
]}

Mezl, Martin ^{[4
,5
]}

Bartos, Michal ^{[4
,6
]}

Drazanova, Eva ^{[1
]}

Drafi, Frantisek ^{[9
]}

Grossova, Lucie ^{[1
,4
]}

Kratochvila, Jiri ^{[4
]}

Macicek, Ondrej ^{[4
]}

Nylund, Kim ^{[7
]}

Hampl, Ales ^{[3
,9
]}

Gilja, Odd Helge ^{[7
,10
]}

Taxt, Torfinn ^{[8
]}

Starcuk, Zenon, Jr. ^{[1
]}

机构：

[1] AS CR, Inst Sci Instruments, Brno, Czech Republic

[2] AS CR, Inst Biophys, Dept Cytokinet 2, Brno, Czech Republic

[3] St Annes Univ Hosp, Int Clin Res Ctr, Ctr Biomol & Cellular Engn, Brno, Czech Republic

[4] Brno Univ Technol, Dept Biomed Engn, CS-61090 Brno, Czech Republic

[5] St Annes Univ Hosp Brno, Int Clin Res Ctr, Ctr Biomed Engn, Brno, Czech Republic

[6] ASCR, Inst Informat Theory & Automat, Prague, Czech Republic

[7] Haukeland Hosp, Natl Ctr Ultrasound Gastroenterol, N-5021 Bergen, Norway

[8] Univ Bergen, Dept Biomed, N-5020 Bergen, Norway

[9] Masaryk Univ, Fac Med, Dept Histol & Embryol, Brno, Czech Republic

[10] Univ Bergen, Dept Clin Med, Bergen, Norway

来源：

2014 36TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC) | 2014年

关键词：

INPUT FUNCTIONS; IN-VITRO; PERFUSION; PERMEABILITY; PARAMETERS; T-1;

D O I：

暂无

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

This paper is focused on quantitative perfusion analysis using MRI and ultrasound. In both MRI and ultrasound, most approaches allow estimation of rate constants (Ktrans, kep for MRI) and indices (AUC, TTP) that are only related to the physiological perfusion parameters of a tissue (e.g. blood flow, vessel permeability) but do not allow their absolute quantification. Recent methods for quantification of these physiological perfusion parameters are shortly reviewed. The main problem of these methods is estimation of the arterial input function (AIF). This paper summarizes and extends the current blind-deconvolution approaches to AIF estimation. The feasibility of these methods is shown on a small preclinical study using both MRI and ultrasound.

引用

页码：4276 / 4279

页数：4

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