Device-less gating for pet/ct using pca
WebMar 30, 2016 · Device-less gating for PET/CT using PCA. Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2011 … WebApr 28, 2024 · Impact of low injected activity on data driven respiratory gating for PET/CT imaging with continuous bed motion. ... 28.1 ± 6.8) having at least one lung or liver tumor less than 3 cm in diameter and located in regions impacted by respiratory motion were recruited for this study (MD Anderson Cancer Center Internal Review Board 2015-0989 ...
Device-less gating for pet/ct using pca
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WebJun 12, 2014 · Respiratory movement degrades image quality in PET/CT. The first step in correcting for movement is to gate the data into different motion states. In current practice, the gating is based on information from external devices that measure physical parameters such as the chest position. Various groups have proposed methods to extract a gating … Web18F‑FDG PET/CT Shohei Fukai1,2 ... (NG-PET) and PCA-based DDG gating (DDG-PET).Forty-six image features were analyzed using LIFEx software. Reproducibility was evaluated using Lin’s concordance cor- ... PET images from external device methods in NSCLC patients.27 Similarly,Oliveretal.evaluatedtheexpanded 56-image features and …
WebMar 23, 2024 · PDF Background Respiratory motion during PET imaging reduces image quality. Data-driven gating (DDG) based on principal component analysis (PCA) can... Find, read and cite all the research you ... WebNational Center for Biotechnology Information
WebApr 3, 2024 · A data-driven method for respiratory gating in PET has recently been commercially developed. We sought to compare the performance of the algorithm with an external, device-based system for oncologic 18 F-FDG PET/CT imaging. Methods: In total, 144 whole-body 18 F-FDG PET/CT examinations were acquired, with a respiratory … WebDec 6, 2024 · The application of principal component analysis (PCA)-based DDG algorithm improves both image quality and quantitative SUVs in subcentimeter lesions measuring above 6 mm, and although DDG application cannot detect new subCentimeter lesions, it increases the visual indices. Introduction. The application of data-driven respiratory …
WebDec 16, 2024 · [25] Thielemans K et al. 2011 Device-less gating for PET/CT using PCA Proc IEEE Nucl Sci Symp Med Imaging Conf. 3904–10. Go to reference in article; Google Scholar [26] Schleyer P J, O'Doherty M J, Barrington S F and Marsden P K 2009 Retrospective data-driven respiratory gating for PET/CT Phys. Med. Biol. 54 1935–50.
WebMovement degrades image quality in PET/CT. The first step in correcting for movement is to gate the data into different motion states. The gating is usually based on information … how many bytes are in 1 bitWebMay 18, 2024 · Thielemans K, Rathore S, Engbrant F and Razifar P 2011 Device-less gating for PET/CT using PCA 2011 IEEE Nuclear Science Symp. Conf. Record pp 3904–10. Go to reference in article Crossref Google Scholar. Victor W Z, Andre Z K, Steven R M and Roger F 2009 A scheme for PET data normalization in event-based motion … high quality bioplastic disposable tablewareWebAug 29, 2015 · Traditional data-driven respiratory gating method is capable of detecting breathing cycles directly from positron emission tomography (PET) data, but usually fails at low SNR, particularly at low dose PET/CT study. Time-of-flight (TOF) PET has the potential to improve the SNR. In order for TOF information to reduce the statistical noise and … how many bytes are 1 gigabyte gbWebNov 1, 2024 · A data-driven method for respiratory gating in PET has recently been commercially developed. We sought to compare the performance of the algorithm with an external, device-based system for … how many bytes are in 1 gigabyteWebJan 3, 2024 · Thielemans K, Rathore S, Engbrant F, Razifar P. Device-less gating for PET/CT using PCA. 2011 IEEE Nuclear Science Symposium Conference Record. Valencia: IEEE; 2011. ... Pierce L, Thielemans K, Wollenweber S, Ganin A, et al. Quiescent period respiratory gating for PET/CT. Med Phys. 2010;37:5037–43. Article Google Scholar how many bytes are in 1 kbWebMay 1, 2009 · The lung nodule detection rate of PET/MRI was comparable to that of PET/CT for FDG-avid nodules larger than 10 mm, but the sensitivity of PET/MRI for detection of non-FDG-avid nodules smaller than ... high quality black beer bottleWebMar 15, 2024 · Methods: A data-driven respiratory gating algorithm based on principal component analysis (PCA) was applied to phantom and FDG patient data. An anthropomorphic phantom and a NEMA IEC Body phantom were filled with 18 F, placed on a respiratory motion platform, and imaged using a PET/CT scanner. Motion waveforms … how many bytes are in 1000 petabytes