Device-less gating for pet/ct using pca

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WebMar 31, 2024 · Thielemans K, Rathore S, Engbrant F, Razifar P. Device-less gating for PET/CT using PCA. In: 2011 IEEE nuclear science symposium conference record. … 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 …

Impact of low injected activity on data driven respiratory gating …

WebOct 1, 2024 · Respiratory gating is the standard to prevent respiration effects from degrading image quality in PET. Data-driven gating (DDG) using signals derived from PET raw data is a promising alternative to gating approaches requiring additional hardware (e.g., pressure-sensitive belt gating [BG]). However, continuous-bed-motion (CBM) scans … WebAbout this class. This program instructs PET Technologists in the theory and clinical application of PET Respiratory Gated imaging on Discovery PET/CT scanners. Instruction is delivered by a GE PET Applications Specialist at … circe helps odysseus by

Reproducibility of the principal component analysis (PCA)‐based …

WebMar 21, 2024 · The data-driven respiratory gating (DDG) is a novel algorithm that provides respiratory-gated PET images. 19, 20 The DDG uses internal PET respiratory data … WebJan 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 WebMar 21, 2024 · Abstract Objective Texture analysis is one of the lung cancer countermeasures in the field of radiomics. Even though image quality affects texture features, the reproducibility of principal compone... circe hillcrest road chardonnay

Impact of PET data driven respiratory motion correction and …

Impact of low injected activity on data driven respiratory gating …

WebMar 15, 2024 · Objective: Respiratory motion can degrade PET image quality and lead to inaccurate quantification of lesion uptake. Such motion can be mitigated via respiratory gating. Our objective was to evaluate a data-driven gating (DDG) technique that is being developed commercially for clinical PET/CT. Methods: A data-driven respiratory gating … WebNov 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 … circe hecateWebApr 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 ... circe has been unable to get pregnant

"WebAug 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 … " - Device-less gating for pet/ct using pca

Device-less gating for pet/ct using pca

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 ... WebOct 1, 2024 · Respiratory gating is the standard to prevent respiration effects from degrading image quality in PET. Data-driven gating (DDG) using signals derived from …

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WebJan 1, 2013 · Device-less gating for PET/CT using PCA. Article. Oct 2011; Kris Thielemans; ... Various groups have proposed methods to extract a gating signal out of … 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 …

WebDec 14, 2012 · Purpose Respiratory gating is an established approach to overcoming respiration-induced image artefacts in PET. Of special interest in this respect are raw PET data-driven gating methods which do not require additional hardware to acquire respiratory signals during the scan. However, these methods rely heavily on the quality of the … 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 …

WebMar 30, 2016 · Device-less gating for PET/CT using PCA. Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2011 … WebMar 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 …

WebFeb 9, 2024 · PurposeTo evaluate the potential clinical role and effectiveness of respiratory 4D-gating F-18 FDG PET/CT scan for liver malignancies, relative to routine (3D) F-18 FDG PET/CT scan.Materials and MethodsThis study presented a prospective clinical study of 16 patients who received F-18 FDG PET/CT scan for known or suspected malignant liver …

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. circe hollaender textWebJan 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. … circe homer\u0027s odysseyWebApr 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 … dialysis tivertonWebApr 28, 2024 · In this paper, we assess the clinical impact of reducing injected activity on a new DDG algorithm designed for PET data acquired with continuous bed motion (CBM_DDG) by evaluating CBM_DDG waveforms, tumor quantification, and physician's perception of motion blur in resultant images. Forty patients were imaged on a Siemens … circe homeschoolWebAug 13, 2024 · Thielemans K, Rathore S, Engbrant F and Razifar P 2011 Device-less gating for PET/CT using PCA Nuclear Symp. and Medical Conf. IEEE 3904–10 Go to reference in article Google Scholar Vedam S, Keall P, Kini V, Mostafavi H, Shukla H and Mohan R 2002 Acquiring a four-dimensional computed tomography dataset using an … dialysis topsail isladWebMar 23, 2024 · Background Respiratory motion during PET imaging reduces image quality. Data-driven gating (DDG) based on principal component analysis (PCA) can be used to … circe houseWebOct 29, 2011 · The gating is usually based on information from external devices, such as the chest position for respiratory movement, or an ECG signal for cardiac gating. Various groups have proposed methods to extract a gating signal out of the PET and/or CT data. … circeif4g3