نتایج جستجو برای: fbp

تعداد نتایج: 970  

Journal: :CoRR 2018
Lingyu Liang Luojun Lin Lianwen Jin Duorui Xie Mengru Li

Facial beauty prediction (FBP) is a significant visual recognition problem to make assessment of facial attractiveness that is consistent to human perception. To tackle this problem, various data-driven models, especially state-of-the-art deep learning techniques, were introduced, and benchmark dataset become one of the essential elements to achieve FBP. Previous works have formulated the recog...

Journal: :Annals of nuclear medicine 2006
Takuya Morimoto Hiroshi Ito Akihiro Takano Yoko Ikoma Chie Seki Takashi Okauchi Katsuyuki Tanimoto Akira Ando Takahiro Shiraishi Taiga Yamaya Tetsuya Suhara

OBJECTIVES Both reconstruction algorithms, filtered backprojection (FBP) and ordered subsets expectation maximization (OSEM), are widely used in clinical positron emission tomography (PET) studies. Image reconstruction for most neurotransmission PET scan data is performed by FBP, while image reconstruction for whole-body [18F]FDG scan data is usually performed by OSEM. Although several investig...

2009
Anne Bilgot Laurent Desbat Valérie Perrier

We address here the interior problem in local tomography, by means of filtered backprojection (FBP). This algorithm, traditionally used in the context of complete data, is usually not considered as valuable for the interior problem. However, in this article, we prove that as well as more sophisticated methods, the FBP algorithm ensures that the difference between the original and the reconstruc...

Journal: :International journal of imaging systems and technology 2012
Gengsheng Lawrence Zeng

The iterative maximum-likelihood expectation-maximization (ML-EM) algorithm is an excellent algorithm for image reconstruction and usually provides better images than the filtered backprojection (FBP) algorithm. However, a windowed FBP algorithm can outperform the ML-EM in certain occasions, when the least-squared difference from the true image, that is, the least-squared error (LSE), is used a...

2012
Thomas J. Wheeler Sufan Chien

Earlier studies by our group showed that fructose-1,6-bisphosphate (FBP) enhances the hypothermic preservation of rat cardiac myocytes and the functional recovery of animal hearts after hypothermic storage. However, the mechanisms involved were not clear. We extended the cardiomyocyte studies by testing whether the FBP effects were due to chelation of extracellular calcium, leading to lower int...

Journal: :The Biochemical journal 1996
C M Van Hoozen E H Ling C H Halsted

Folate-binding protein (FBP) was identified and characterized in a pig liver cDNA library by screening with a 0.6 kb fragment from the cDNA of FBP from a human KB cell cancer line. The cDNA of pig liver FBP included 1230 bp containing 759 bp in the open reading frame with 80% similarity to the human placenta FBP. The deduced 253 amino acid sequence showed 67-73% similarity to previous sequences...

2017
Muder AL Haydar Hussein Rasool Abid Bruce Sunderland Shaobin Wang

BACKGROUND Metal organic frameworks (MOFs) have attracted more attention in the last decade because of a suitable pore size, large surface area, and high pore volume. Developing biocompatible MOFs such as the MIL family as a drug delivery system is possible. PURPOSE Flurbiprofen (FBP), a nonsteroidal anti-inflammatory agent, is practically insoluble in aqueous solution, and, therefore, needs ...

2016
Bjørn Helge Østerås Kristin Livelten Heggen Hans Kristian Pedersen Hilde Kjernlie Andersen Anne Catrine T Martinsen

BACKGROUND Iterative reconstruction can reduce image noise and thereby facilitate dose reduction. PURPOSE To evaluate qualitative and quantitative image quality for full dose and dose reduced head computed tomography (CT) protocols reconstructed using filtered back projection (FBP) and adaptive statistical iterative reconstruction (ASIR). MATERIAL AND METHODS Fourteen patients undergoing fo...

Journal: :IEEE Transactions on Nuclear Science 2016

Journal: :Radiology 2011
Matthias Renker John W Nance U Joseph Schoepf Terrence X O'Brien Peter L Zwerner Mathias Meyer J Matthias Kerl Ralf W Bauer Christian Fink Thomas J Vogl Thomas Henzler

PURPOSE To prospectively compare traditional filtered back projection (FBP) and iterative image reconstruction for the evaluation of heavily calcified arteries with coronary computed tomography (CT) angiography. MATERIALS AND METHODS The study had institutional review board approval and was HIPAA compliant. Written informed consent was obtained from all patients. Fifty-five consecutive patien...

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