Marcus Brehm
Overview
Explore the profile of Marcus Brehm including associated specialties, affiliations and a list of published articles.
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Snapshot
Articles
12
Citations
105
Followers
0
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Recent Articles
1.
Hoving J, Koopman M, Tolhuisen M, van Voorst H, Brehm M, Berkhemer O, et al.
PLoS One
. 2022 Aug;
17(8):e0272276.
PMID: 35917382
Background And Objective: Computed tomography perfusion (CTP) is widely used in the evaluation of acute ischemic stroke patients for endovascular thrombectomy (EVT). The stability of CTP core estimation is suboptimal...
2.
Hahn A, Knaup M, Brehm M, Sauppe S, Kachelriess M
Med Phys
. 2018 Jun;
PMID: 29938797
Purpose: In image-guided radiation therapy, fiducial markers or clips are often used to determine the position of the tumor. These markers lead to streak artifacts in cone-beam CT (CBCT) scans....
3.
Star-Lack J, Sun M, Oelhafen M, Berkus T, Pavkovich J, Brehm M, et al.
Med Phys
. 2018 Jun;
PMID: 29869784
Purpose: Four-dimensional (4D) cone-beam computed tomography (CBCT) of the lung is an effective tool for motion management in radiotherapy but presents a challenge because of slow gantry rotation times. Sorting...
4.
Wang A, Maslowski A, Messmer P, Lehmann M, Strzelecki A, Yu E, et al.
Med Phys
. 2018 Mar;
45(5):1914-1925.
PMID: 29509973
Purpose: To correct for scatter in kV cone-beam CT (CBCT) projection data on a clinical system using a new tool, Acuros CTS, that estimates scatter images rapidly and accurately by...
5.
Sauppe S, Kuhm J, Brehm M, Paysan P, Seghers D, Kachelriess M
Phys Med Biol
. 2017 Dec;
63(3):035032.
PMID: 29235989
We propose a phase-to-amplitude resampling (PTAR) method to reduce motion blurring in motion-compensated (MoCo) 4D cone-beam CT (CBCT) image reconstruction, without increasing the computational complexity of the motion vector field...
6.
Brehm M, Sawall S, Maier J, Sauppe S, Kachelriess M
Med Phys
. 2015 Apr;
42(4):1948-58.
PMID: 25832085
Purpose: Cardiac in vivo micro-CT imaging of small animals typically requires double gating due to long scan times and high respiratory rates. The simultaneous respiratory and cardiac gating can either...
7.
Toftegaard J, Fledelius W, Seghers D, Huber M, Brehm M, Worm E, et al.
Med Phys
. 2014 Dec;
41(12):121710.
PMID: 25471957
Purpose: Implanted gold markers for image-guided radiotherapy lead to streaking artifacts in cone-beam CT (CBCT) scans. Several methods for metal artifact reduction (MAR) have been published, but they all fail...
8.
Flach B, Brehm M, Sawall S, Kachelriess M
Phys Med Biol
. 2014 Nov;
59(24):7865-87.
PMID: 25426660
Many applications in medical imaging include image registration for matching of images from the same or different modalities. In the case of full data sampling, the respective reconstructed images are...
9.
Heusser T, Brehm M, Ritschl L, Sawall S, Kachelriess M
Med Phys
. 2014 Feb;
41(2):021906.
PMID: 24506627
Purpose: Image quality in computed tomography (CT) often suffers from artifacts which may reduce the diagnostic value of the image. In many cases, these artifacts result from missing or corrupt...
10.
Brehm M, Paysan P, Oelhafen M, Kachelriess M
Med Phys
. 2013 Oct;
40(10):101913.
PMID: 24089915
Purpose: In image-guided radiation therapy (IGRT) valuable information for patient positioning, dose verification, and adaptive treatment planning is provided by an additional kV imaging unit. However, due to the limited...