[PDF] Top 20 Aplicaciones de Las Ecuaciones Diferenciales en La Ingenieria Electrica (3)
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Point-spread function reconstructed PET images of sub-centimeter lesions are not quantitative
... using PET in the prediction and evaluation of early re- sponses to treatment, such as chemotherapy, radiotherapy, and local ablative therapy, ...8]. PET images used to plan and evaluate thera- peutic ... See full document
37
Impact of Time-of-Flight and Point-Spread-Function for Respiratory Artifact Reduction in PET/CT Imaging: Focus on Standardized Uptake Value
... different-sized lesions in the thorax ...accurate quantitative analysis, with some SUV overestimation (10, ...undergoing PET/CT imaging (21, ...the PET images properties and ... See full document
24
Impact of point spread function modelling and time of flight on FDG uptake measurements in lung lesions using alternative filtering strategies
... acquisitions. Images were reconstructed using four methods: standard 3-D ordinary Poisson ordered subset expectation maximisation (OSEM) re- construction; OSEM with TOF (TOF); OSEM with PSF modelling - ... See full document
12
The influence of different signal-to-background ratios on spatial resolution and F18-FDG-PET quantification using point spread function and time-of-flight reconstruction
... common quantitative parameter used for outcome prediction, therapy response assessment, and threshold- based target volume definition in oncology [4,26,27], these findings are of substantial clinical ... See full document
5
Hybrid PET-MR list-mode kernelized expectation maximization reconstruction for quantitative PET images of the carotid arteries
... low-count images as it helps to speed up the ...from PET and MR. The PET part is taken from the iterative update using a similar approach as Maximum a Posteriori ...count PET data, as in other ... See full document
136
Impact of PET acquisition durations on image quality and lesion detectability in whole-body 68Ga-PSMA PET-MRI
... two- point Dixon sequence for MR-based attenuation cor- ...Subsequent PET imaging covered the whole-body from the head to the knee level, resulting in five to seven bed ...positions PET data were ... See full document
154
Effect of the Illuminating Point Spread Function and Roughness on the Speckle Correlation Field
... correlation function as a convolution of the two spatial in- tensity distributions of interference and diffraction ...correlation function can overcome the effect of the second one depending on the ... See full document
11
Fractal and multifractal analysis of PET/CT images of metastatic melanoma before and after treatment with ipilimumab
... When lesions are spreading through the body, the tracer starts to accumulate in areas where the metastases are ...the lesions’ spatial extension will increase, approaching at most the spatial extension (and ... See full document
71
Quantitative performance of 124I PET/MR of neck lesions in thyroid cancer patients using 124I PET/CT as reference
... after PET/CT examination, each patient additionally received a 24-h PET/MR scan and sometimes a 120-h PET/MR ...scan. PET images were reconstructed using the respective ... See full document
107
Non-isotropic noise correlation in PET data reconstructed by FBP but not by OSEM demonstrated using auto-correlation function
... on images with- out structural information, i.e., images obtained from uniform ...from images with structural information, ...the function is sensitive to data with non-stationary statis- ... See full document
5
Quantification of myocardial blood flow with 82Rb: Validation with 15O-water using time-of-flight and point-spread-function modeling
... Rb images are degraded by motion and resolution ef- fects, expected consequences for IDIFs are reduced peak activity (spill-out from LV cavity) and increased tail activ- ity (spill-in from ...publications’ ... See full document
89
MARS-MD: Rejection based image domain material decomposition
... In its implementation within MARS systems, the M matrix in the MARS-MD algorithm is calibrated using scans of phantoms which contain the materials of interest at known concentrations and locations (figure 1). This is a ... See full document
12
Comparison between 68Ga-bombesin (68Ga-BZH3) and the cRGD tetramer 68Ga-RGD4 studies in an experimental nude rat model with a neuroendocrine pancreatic tumor cell line
... comparison of different tracers in detecting malignant NETs and revealed that increased FDG uptake was asso- ciated with malignancy [34]. In nude mice bearing the AR4-2J tumor, tumor uptake of both 90 Y and 111 In- ... See full document
9
Feasibility of biventricular volume and function assessment using first-pass gated 15O-water PET
... blood-pool images were post-proc- essed using in-house software (TomPool, freely avail- able for download at ...axis images), the valve plane (on vertical long axis images), and the infundibular ... See full document
7
Impact of respiratory motion correction and spatial resolution on lesion detection in PET: a simulation study based on real MR dynamic data
... was reconstructed without motion correction (No-MC) and with motion correction (MC) using the ordered subsets expectation maximization (OSEM) ...corrected images were obtained by incorporating the motion ... See full document
148
Pricing Options on Foreign Currency with a Preset Exchange Rate
... a function of the option’s term, rate volatility and the basis point spread between the foreign currency interest rate and the domestic currency interest ... See full document
22
Hybrid FDG-PET/MR imaging of chronic osteomyelitis: a prospective case series
... anaerobic bacteria are the most common cause (Sheehy et al. 2010). The lower extrem- ities are the most regularly affected body parts (Kaim et al. 2002). Osteomyelitis is char- acterized by progressive inflammatory ... See full document
14
Measurement of the point spread function of a noisy imaging system
... all images. The image was of a blurred step and several edge-spread functions (ESF) were estimated along the length of the ...reference point and accumulated to form a super-resolution ESF that ... See full document
162
Point Spread Function Determination in the Scanning Electron Microscope and its Application in Restoring Images Acquired at Low Voltage
... Our investigations of signal type comparison showed that SE particle profiles appear wider than BSE particle profiles, which agrees with previous reports (Postek et al., 2016). While the PSF determination method did ... See full document
139
CMOS implementation of image deconvolution and mean field annealing
... Images degraded by imperfect sensors or transmission can be modeled usefully[6] as the sum of random noise image and a convolution of the true image with a point spread function or blurr[r] ... See full document
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