Found 357 Documents (Results 1–100)
Speckle noise reduction in US images: enhanced filtering with optimal filter coefficients. (English) Zbl 07900479
A vision transformer network with wavelet-based features for breast ultrasound classification. (English) Zbl 1542.92064
The diffusion stability of an externally driven cavitation bubble in micro-confinement. (English) Zbl 07872749
MSC:
76-XX
Simultaneous reconstruction of speed of sound and nonlinearity parameter in a paraxial model of vibro-acoustography in frequency domain. (English) Zbl 1540.35469
Regularized full waveform inversion for low frequency ultrasound tomography with a structural similarity EIT prior. (English) Zbl 1535.65176
MSC:
65M32
65M30
65K10
65J20
65M60
65M70
41A60
78A46
78A45
78A70
92C55
76Q05
76M21
35R30
35R25
35Q92
35Q60
Glioma resection cavity segmentation on neuroimaging using AI-based fuzzy enhancement with modified UNet. (English) Zbl 1536.92059
An analysis of nonlinear ultrasonic waves in bubbly liquids by a numerical model. (Spanish. English summary) Zbl 07797284
On the simultaneous reconstruction of the nonlinearity coefficient and the sound speed in the Westervelt equation. (English) Zbl 1527.35494
Drug delivery to the anterior segment of the eye enhanced by ultrasound – modeling and simulation. (English) Zbl 1538.65339
An inverse boundary value problem arising in nonlinear acoustics. (English) Zbl 1515.35358
Reviewer: Giovanni S. Alberti (Genova)
Selecting ultrasound machine using ELECTRE method. (English) Zbl 1541.90195
Saha Ray, Santanu (ed.) et al., Applied analysis, computation and mathematical modelling in engineering. Select proceedings of AACMME 2021, Rourkela, India, February 24–26, 2021. Singapore: Springer. Lect. Notes Electr. Eng. 897, 283-292 (2022).
A novel dictionary learning-based approach for ultrasound elastography denoising. (English) Zbl 1510.92117
MSC:
92C55
Using 2D/3D convolutional neural networks and direct numerical modeling for transcranial ultrasound problems. (English) Zbl 1507.92056
Using ultrasonic attenuation in cortical bone to infer distributions on pore size. (English) Zbl 1505.92120
Steady and oscillatory flows generated by Eckart streaming in the two-dimensional Rayleigh-Bénard configuration. (English) Zbl 1531.76081
Local well-posedness of a coupled Westervelt-Pennes model of nonlinear ultrasonic heating. (English) Zbl 1500.35100
A non-overlapping high accuracy parallel subdomain closure for compact scheme: onset of Rayleigh-Taylor instability by ultrasonic waves. (English) Zbl 07599625
High-order SAFE computation of reflection and transmission coefficients for functionally-graded poroelastic plates. (English) Zbl 1524.74186
The Westervelt-Pennes model of nonlinear thermoacoustics: global solvability and asymptotic behavior. (English) Zbl 1496.35089
Boundary stabilization of the linear MGT equation with partially absorbing boundary data and degenerate viscoelasticity. (English) Zbl 1491.35287
Frequency-robust preconditioning of boundary integral equations for acoustic transmission. (English) Zbl 07536733
Integrating hydrodynamic and acoustic cell separation in a hybrid microfluidic device: a numerical analysis. (English) Zbl 1502.76118
Optimal feedback arising in a third-order dynamics with boundary controls and infinite horizon. (English) Zbl 1492.49035
MSC:
49N35
An anomalous diffusion approach for speckle noise reduction in medical ultrasound images. (English) Zbl 1513.92040
Nonlinear ultrasound imaging modeled by a Westervelt equation. (English) Zbl 1486.35458
Reviewer: Giovanni S. Alberti (Genova)
A patch-based low-rank minimization approach for speckle noise reduction in ultrasound images. (English) Zbl 1513.92038
MSC:
92C55
Drug delivery enhanced by ultrasound: mathematical modeling and simulation. (English) Zbl 1524.65529
High resolution 3D ultrasonic breast imaging by time-domain full waveform inversion. (English) Zbl 07455597
Dispersion of guided-waves in heterogeneous and anisotropic elastic plates: a probabilistic approach. (English) Zbl 1507.74176
A Helmholtz equation solver using unsupervised learning: application to transcranial ultrasound. (English) Zbl 07513817
PSO-aided fuzzy inference of material elastic constants with resonant ultrasound spectroscopy. (English) Zbl 07479291
Firefly optimization-based segmentation technique to analyse medical images of breast cancer. (English) Zbl 1483.92085
Ray-based inversion accounting for scattering for biomedical ultrasound tomography. (English) Zbl 1478.78032
Dynamics of a gas bubble near a wall under acoustic excitation with the formation of cumulative jet. (English) Zbl 1484.76065
Dimension estimate of uniform attractor for a model of high intensity focussed ultrasound-induced thermotherapy. (English) Zbl 1470.92139
On the identification of the nonlinearity parameter in the Westervelt equation from boundary measurements. (English) Zbl 1472.35453
Influence of temperature-dependent acoustic and thermal parameters and nonlinear harmonics on the prediction of thermal lesion under HIFU ablation. (English) Zbl 1471.92151
Detection of velocity and attenuation inclusions in the medical ultrasound tomography. (English) Zbl 1478.65076
Ultrasound medical image segmentation based on hybrid probabilistic graphical model in complex-wavelet domain. (Chinese. English summary) Zbl 1474.92053
Shock-induced bubble collapse near solid materials: effect of acoustic impedance. (English) Zbl 1492.76114
Complementary use of priors for pulmonary imaging with electrical impedance and ultrasound computed tomography. (English) Zbl 1466.92085
Fast reconstruction of 3D blood flows from Doppler ultrasound images and reduced models. (English) Zbl 1506.76167
Ultrasound modulated bioluminescence tomography with a single optical measurement. (English) Zbl 1458.35420
Hand detection algorithm: pre-processing stage. (English) Zbl 1530.93527
Gusikhin, Oleg (ed.) et al., ICINCO 2020. Proceedings of the 17th international conference on informatics in control, automation and robotics, virtual, July 7–9, 2020. Setúbal: SCITEPRESS – Science and Technology Publications. 695-701 (2020).
Simulation study on the influence of temperature-dependent acoustic-thermal parameters on tissue lesion under HIFU irradiation. (English) Zbl 1513.92030
MSC:
92C50
A dynamical model of oncotripsy by mechanical cell fatigue: selective cancer cell ablation by low-intensity pulsed ultrasound. (English) Zbl 1472.92129
An automatic measurement method of spinal curvature on ultrasound coronal images in adolescent idiopathic scoliosis. (English) Zbl 1470.92169
MSC:
92C55
Global tracking of myocardial motion in ultrasound sequence images: a feasibility study. (English) Zbl 1470.92179
MSC:
92C55
High frequency ultrasound assesses transient changes in cartilage under osmotic loading. (English) Zbl 1470.92181
Optimization of multi-angle magneto-acousto-electrical tomography (MAET) based on a numerical method. (English) Zbl 1467.92113
MSC:
92C55
Regularization in ultrasound tomography using projection-based regularized total least squares. (English) Zbl 1466.92084
Bounded-abstaining classification for breast tumors in imbalanced ultrasound images. (English) Zbl 1467.92107
Reviewer: Witold Pedrycz (Edmonton)
Particle method for segmentation of breast tumors in ultrasound images. (English) Zbl 1510.92114
MSC:
92C55
Acoustoelastic effect simulation by time-space finite element formulation based on quadratic interpolation of the acceleration. (English) Zbl 1524.76392
MSC:
76Q05
Refraction-corrected ray-based inversion for three-dimensional ultrasound tomography of the breast. (English) Zbl 1501.92072
Ultrasound image segmentation based on DenseASPP model. (Chinese. English summary) Zbl 1463.92027
Fetal prenatal ultrasound detection based on D-UNET. (Chinese. English summary) Zbl 1463.92032
MSC:
92C55
The method of identifying biological tissue lesion based on Otsu clustering. (Chinese. English summary) Zbl 1463.92030
New algorithm based on S-transform to increase defect resolution within ultrasonic images. (English) Zbl 1458.94014
Farouk, Mohamed Hesham (ed.) et al., Recent advances in engineering math and physics. Proceedings of the international conference, RAEMP 2019, Cairo, Egypt, December 24–26, 2019. Cham: Springer. 245-259 (2020).
Physics-based deep neural network for real-time lesion tracking in ultrasound-guided breast biopsy. (English) Zbl 1453.92166
Miller, Karol (ed.) et al., Computational biomechanics for medicine. Solid and fluid mechanics for the benefit of patients. Selected papers based on the presentations at the workshop, MICCAI 2019, Shenzhen, China, October 13–17, 2019. Cham: Springer. 33-45 (2020).
A data sampling method of 3-D ultrasound images based on improved octree decomposition. (Chinese. English summary) Zbl 1463.92035
Supercomputer simulations of ultrasound tomography problems of flat objects. (English) Zbl 1450.65108
Capabilities of layered ultrasound tomography. (English) Zbl 1453.92160
MSC:
92C55
New general decay results for a Moore-Gibson-Thompson equation with memory. (English) Zbl 1450.35065
A novel Speckle noise removal algorithm based on ADMM and energy minimization method. (English) Zbl 1458.94019
On the regularity of solutions to the Moore-Gibson-Thompson equation: a perspective via wave equations with memory. (English) Zbl 1447.35088
Despeckling method of ultrasound images using closed-form shrinkage function based on Cauchy distribution in wavelet domain. (English) Zbl 1456.94007
Reviewer: Yankui Sun (Beijing)
Study of classification of breast lesions using texture GLCM features obtained from the raw ultrasound signal. (English) Zbl 1445.62282
Numerical simulation of ultrasonic time reversal on defects in carbon fibre reinforced polymer. (English) Zbl 1524.74276
MSC:
74J25
A new approach to determine tensile stress states from the parameters of longitudinal waves. (English) Zbl 1481.74011
MSC:
74A10
Probabilistic learning coherent point drift for 3D ultrasound fetal head registration. (English) Zbl 1431.92096
Inverse transport problem in fluorescence ultrasound modulated optical tomography with angularly averaged measurements. (English) Zbl 1466.35370
Biomechanics of the tricuspid annulus: a review of the annulus’ in vivo dynamics with emphasis on ovine data. (English) Zbl 1541.92020
MSC:
92C10
Improved graph cut model with features of superpixels and neighborhood patches for myocardium segmentation from ultrasound image. (English) Zbl 1497.92149
MSC:
92C55
A fast 3-D ultrasound projection imaging method for scoliosis assessment. (English) Zbl 1497.92146
MSC:
92C55
A collaborative contour detector by gradient and active contours for ultrasound kidney images. (English) Zbl 1481.92076
MSC:
92C55
A Bayesian approach for energy-based estimation of acoustic aberrations in high intensity focused ultrasound treatment. (English) Zbl 1473.65080
Parallel GPU computation model for block matching of speckle tracing. (English) Zbl 1472.92133
MSC:
92C55
Non-subsampled shearlet transform and log-transform methods for despeckling of medical ultrasound images. (English) Zbl 1485.92057
MSC:
92C55
Gabor-based anisotropic diffusion with lattice Boltzmann method for medical ultrasound despeckling. (English) Zbl 1471.92194
Reviewer: Fritz Keinert (Ames)
MSC:
92C55
Automatic ultrasound image segmentation based on local entropy and active contour model. (English) Zbl 1442.92087
MSC:
92C55
Dynamic spike superresolution and applications to ultrafast ultrasound imaging. (English) Zbl 1439.65236
A new robust formulation for optical-flow/material identification problems. (English) Zbl 1441.78023
MSC:
78A70
Breast lump recognition algorithms based on ultrasound radio-frequency signals. (English) Zbl 1449.92025
MSC:
92C55
A pilot study of parameter-optimized low-intensity pulsed ultrasound stimulation for the bone marrow mesenchymal stem cells viability improvement. (English) Zbl 1428.92059
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