bias field
A Region Based Method for Bias Correction of Images in Relating to Intensity Inhomogeneity in MRI
... Abstract— Intensity irregularity may be a sizeable challenge in image segmentation. The foremost wide used image segmentation algorithms are square measure region-based and usually deem the homogeneity of the image ...
11
Nonlinear response of dipolar systems to superimposed ac and dc bias fields
... the field is much smaller than the thermal energy, the linear ac response term is sufficient to determine the relaxation process, as demonstrated by Debye ...applied field via perturbation ...ac ...
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Tunable linear magnetoresistance in MgO magnetic tunnel junction sensors using two pinned CoFeB electrodes
... magnetic field sensors, 7 or logic devices. 8 For the magnetic field sensing applications, the stacks are usually configured so that the magnetization of the free layer is perpendicular to that of the ...
5
Formation and development of nanometer sized cybotactic clusters in bent core nematic liquid crystalline compounds
... The bent-core nematic liquid crystals were previously investi- gated by dielectric spectroscopy for determining the elastic and viscosity constants [54], as well as the molecular dipole moment [55]. The short-range polar ...
9
Enhancing Terahertz Radiation from Dipole Photoconductive Antenna by Blending Tips
... local bias electric field in the optical illuminated region [14], whereas the breakdown field of the material limits the maximum applied bias field ...the bias field ...
8
TOPAZ4: an ocean-sea ice data assimilation system for the North Atlantic and Arctic
... the bias. Although the bias estimation period is relatively short, the SST bias seems to decreases significantly after this point in the Gulf Stream and Tropical boxes, and decreases to some degree ...
24
A Novel Approach to Simultaneous Image Segmentation and Bias Correction
... We use the parameters σ = 4, μ = 1, and ν = 0.001 × 2552 for all the images in this paper. Our method is robust to the initialization of the constants c = (c1, · · · , cN), the bias field b, and the level ...
5
Determination of Magnetic Parameters of Maghemite (γ Fe2O3) Core Shell Nanoparticles from Nonlinear Magnetic Susceptibility Measurements
... excitation field and permanent bias field is built, and the analysis of possible ways to determine the magnetic moment and size of the nanoparticles as well as the parameters of the distribution of ...
6
On-board hybrid magnetometer of NASA CHARM-II rocket: principle, design and performances
... Received: 15 November 2012 – Revised: 24 June 2013 – Accepted: 27 June 2013 – Published: 6 August 2013 Abstract. We present a hybrid tri-axes magnetometer designed to measure weak magnetic fields in space from DC (direct ...
9
Magnetic resonance image tissue classification using an automatic method
... Background: Brain segmentation in magnetic resonance images (MRI) is an important stage in clinical studies for different issues such as diagnosis, analysis, 3-D visualizations for treatment and surgical planning. MR ...
16
Field induced phase transitions in an antiferroelectric liquid crystal using the pyroelectric effect
... the bias field were ob- served using a polarizing ...the bias field up to ...the bias field results in a disappearance of the domain ...the field reaches values of ...the ...
9
Brain Tumor Detection and Classification in MRI Images
... We presented a method for segmentation of brain tumors in MRI images based on convolutional neural networks. This method consists of mainly, pre-processing stage, classification stage and post processing stage. ...
6
Effect of Behavioural Biases on Investments at the Rwanda Stock Exchange
... [16] findings on self-serving bias showed that it negatively affected the rational decision making of investors. Similarly, [21] concluded that cognitive biases play a significant role in individual investment ...
7
Cooling field dependence of exchange bias effect in La 0 45Sr0 55MnO3 nanoparticles
... zero field cooled (ZFC) and field cooled (FC) modes in applied fields of 5, 50, and 500 ...a field that is considerably greater than the coercivity at that temperature, indicating the onset of a ...
5
Causal diagrams, information bias, and thought bias
... Of the two types of thought bias, the first type has severely affected all branches of science. Countless estimated effects of derived variables, which show up regularly on the pages of scientific journals, are ...
15
Aeroacoustic analysis using natural Helmholtz–Hodge decomposition
... To conclude, the application of the NHHD for aeroacoustic analysis is a promising method in order to obtain a better un- derstanding about the interaction of sound and flow in a bias flow liner. The grid size has ...
10
Debiasing training transfers to improve decision making in the field
... The primary objection to debiasing training interventions is a lack of evidence that they transfer to improve decision making in field settings, where reminders of bias are absent. We gave graduate students ...
24
Current induced phonon renormalization in molecular junctions
... Molecular electronic devices, consisting of a single or a few molecules bridging two electrodes, have been thoroughly studied [9,10]. In designing robust molecular devices, it is crucial to have information on the status ...
7
Low temperature characterization of high efficiency spin-filter Josephson junctions
... the field of low dissipation quantum and classical computation, such as π-shifts with intrinsically low dissipation [1, 2] and unconven- tional temperature dependence of the critical current I C ...
6
Wack, Michael Richard (2012): Anisotropy of magnetic remanence: development of an automated system and application to natural sediments. Dissertation, LMU München: Fakultät für Geowissenschaften
... alternating field demagnetization of up to 99 samples per loaded ...current bias fields up to ...switching field windows, of continental sediments from the Xishuigou section (western ...
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