Two model-independent measures of diffusion, the apparent diffusion coefficient (ADC) and return-to-the-origin probability enhancement (R) were compared for their ability to detect tissue necrosis in RIF-1 murine tumors. Both reflect the degree of restriction experienced by the endogenous water molecules; however, the ADC is calculated from the initial linear slope of the diffusion attenuation ...

BACKGROUND To determine the feature values of head and neck paragangliomas on diffusion-weighted imaging (DWI) and dynamic contrast enhanced (DCE) magnetic resonance imaging (MRI). METHODS Patients with primary head and neck paraganglioma who underwent both DWI and DCE-MRI before treatment between January 2010 and June 2013 were identified. Two radiologists assessed apparent diffusion coeffic...

This paper describes procedures to obtain optimum error models for ADCs using a non-iterative technique. The goal of \phase-plane" compensation for ADCs is to determine the error which is introduced by a converter as a function of the ADC state and the (estimated) slope of the input signal. Past calibration schemes have been frustrated by uncertainties about the input calibration signal. In thi...

the goal is assessing the diffusion magnetic resonance imaging (dmri) method effi ciency in characterizing focal hepatic lesions (fhls). about 28-fhl patients were studied in radiology and clinical imaging department of our university hospital using 1.5 tesla mri system between january 2010 and june 2011. patients underwent hepatic mri consisting of dynamic t1- and t2-weighted imaging. the dmri...

In this paper, we present a multi-resolution mode CMOS image sensor (CIS) for intelligent surveillance system (ISS) applications. A low column fixed-pattern noise (CFPN) comparator is proposed in 8-bit two-step single-slope analog-to-digital converter (TSSS ADC) for the CIS that supports normal, 1/2, 1/4, 1/8, 1/16, 1/32, and 1/64 mode of pixel resolution. We show that the scaled-resolution ima...

One-dimensional (1D) coordination polymer, [Zn(4,4´-bpy)(H2O)4](ADC).4H2O (1) (4,4´-bpy = 4,4´-bipyridine and H2ADC = acetylenedicarboxylic acid), and three-dimensional (3D) metal-organic framework (MOF), Zn(ADC)2.(HTEA)2(2) (HTEA = triethylamine) were prepared at room temperature. The compounds were characterized by single-crystal X-ray diffraction and powder X-ray diffraction (PXRD) analyses....

We present an implementation and benchmark of new approximations in multireference algebraic diagrammatic construction theory for simulations neutral electronic excitations UV/vis spectra strongly correlated molecular systems (MR-ADC). Following our work on the first-order MR-ADC approximation [J. Chem. Phys. 2018, 149, 204113], we report strict extended second-order methods (MR-ADC(2) MR-ADC(2...

This work presents a 12 bit 200 MS/s dual-residue pipelined successive approximation registers (SAR) analog-to-digital converter (ADC) with single open-loop residue amplifier (RA). By using the inherent characteristics of SAR conversion scheme, proposed ADC sequentially generates two levels from RA, which eliminates need for inter-stage gain-matching calibration. To convert generated residues, ...