Jiří Jaroš
YOU?
Author Swipe
View article: Web-Based Simulator of Superscalar RISC-V Processors
Web-Based Simulator of Superscalar RISC-V Processors Open
Mastering computational architectures is essential for developing fast and power-efficient programs. Our advanced simulator empowers both IT students and professionals to grasp the fundamentals of superscalar RISC-V processors, HW/SW co-de…
View article: A fast all-optical 3D photoacoustic scanner for clinical vascular imaging
A fast all-optical 3D photoacoustic scanner for clinical vascular imaging Open
View article: Acceleration of Ultrasound Neurostimulation Using Mixed-Precision Arithmetic
Acceleration of Ultrasound Neurostimulation Using Mixed-Precision Arithmetic Open
View article: Techniques for Efficient Fourier Transform Computation in Ultrasound Simulations
Techniques for Efficient Fourier Transform Computation in Ultrasound Simulations Open
View article: k-Dispatch: Enabling Cost-Optimized Biomedical Workflow Offloading
k-Dispatch: Enabling Cost-Optimized Biomedical Workflow Offloading Open
View article: On the Usage of the Sparse Fourier Transform in Ultrasound Propagation Simulation
On the Usage of the Sparse Fourier Transform in Ultrasound Propagation Simulation Open
The Fourier transform is an algorithm for transforming the signal from the space/time domain into the frequency domain. This algorithm is essential for applications like image processing, communication, medicine, differential equations sol…
View article: Fully three-dimensional sound speed-corrected multi-wavelength photoacoustic breast tomography
Fully three-dimensional sound speed-corrected multi-wavelength photoacoustic breast tomography Open
Photoacoustic tomography is a contrast agent-free imaging technique capable of visualizing blood vessels and tumor-associated vascularization in breast tissue. While sophisticated breast imaging systems have been recently developed, there …
View article: Benchmark problems for transcranial ultrasound simulation: Intercomparison of compressional wave models
Benchmark problems for transcranial ultrasound simulation: Intercomparison of compressional wave models Open
Computational models of acoustic wave propagation are frequently used in transcranial ultrasound therapy, for example, to calculate the intracranial pressure field or to calculate phase delays to correct for skull distortions. To allow int…
View article: Benchmark problems for transcranial ultrasound simulation: Datasets for intercomparison of compressional wave models
Benchmark problems for transcranial ultrasound simulation: Datasets for intercomparison of compressional wave models Open
This dataset contains the skull maps and modeling results associated with the forthcoming publication "Benchmark problems for transcranial ultrasound simulation: Intercomparison of compressional wave models".
View article: Benchmark problems for transcranial ultrasound simulation: Intercomparison of compressional wave models
Benchmark problems for transcranial ultrasound simulation: Intercomparison of compressional wave models Open
Computational models of acoustic wave propagation are frequently used in transcranial ultrasound therapy, for example, to calculate the intracranial pressure field or to calculate phase delays to correct for skull distortions. To allow int…
View article: Benchmark problems for transcranial ultrasound simulation: Datasets for intercomparison of compressional wave models
Benchmark problems for transcranial ultrasound simulation: Datasets for intercomparison of compressional wave models Open
This dataset contains the skull maps and modeling results associated with the forthcoming publication "Benchmark problems for transcranial ultrasound simulation: Intercomparison of compressional wave models".
View article: Pseudospectral Time-Domain (PSTD) Methods for the Wave Equation: Realizing Boundary Conditions with Discrete Sine and Cosine Transforms
Pseudospectral Time-Domain (PSTD) Methods for the Wave Equation: Realizing Boundary Conditions with Discrete Sine and Cosine Transforms Open
Pseudospectral time domain (PSTD) methods are widely used in many branches of acoustics for the numerical solution of the wave equation, including biomedical ultrasound and seismology. The use of the Fourier collocation spectral method in …
View article: Nonlinear ultrasound simulation in an axisymmetric coordinate system using a <i>k</i>-space pseudospectral method
Nonlinear ultrasound simulation in an axisymmetric coordinate system using a <i>k</i>-space pseudospectral method Open
A full-wave model for nonlinear ultrasound propagation through a heterogeneous and absorbing medium in an axisymmetric coordinate system is developed. The model equations are solved using a nonstandard or k-space pseudospectral time domain…
View article: Representing arbitrary acoustic source and sensor distributions in Fourier collocation methods
Representing arbitrary acoustic source and sensor distributions in Fourier collocation methods Open
Accurately representing acoustic source distributions is an important part of ultrasound simulation. This is challenging for grid-based collocation methods when such distributions do not coincide with the grid points, for instance when the…
View article: Transurethral ultrasound therapy of the prostate in the presence of calcifications: A simulation study
Transurethral ultrasound therapy of the prostate in the presence of calcifications: A simulation study Open
Purpose Transurethral ultrasound therapy is an investigational treatment modality which could potentially be used for the localized treatment of prostate cancer. One of the limiting factors of this therapy is prostatic calcifications. Thes…
View article: Full Modeling of High-Intensity Focused Ultrasound and Thermal Heating in the Kidney Using Realistic Patient Models
Full Modeling of High-Intensity Focused Ultrasound and Thermal Heating in the Kidney Using Realistic Patient Models Open
Objective: High-intensity focused ultrasound (HIFU) therapy can be used for non-invasive treatment of kidney (renal) cancer, but the clinical outcomes have been variable. In this study, the efficacy of renal HIFU therapy was studied using …
View article: Design of HIFU treatment plans using an evolutionary strategy
Design of HIFU treatment plans using an evolutionary strategy Open
High Intensity Focused Ultrasound (HIFU) is an emerging technique for non-invasive cancer treatment where malignant tissue is destroyed by thermal ablation. Since one ablation only allows a small region of tissue to be destroyed, a series …
View article: Efficient Low-Resource Compression of HIFU Data
Efficient Low-Resource Compression of HIFU Data Open
Large-scale numerical simulations of high-intensity focused ultrasound (HIFU), important for model-based treatment planning, generate large amounts of data. Typically, it is necessary to save hundreds of gigabytes during simulation. We pro…
View article: Rapid calculation of acoustic fields from arbitrary continuous-wave sources
Rapid calculation of acoustic fields from arbitrary continuous-wave sources Open
A Green's function solution is derived for calculating the acoustic field generated by phased array transducers of arbitrary shape when driven by a single frequency continuous wave excitation with spatially varying amplitude and phase. The…
View article: Accurate simulation of transcranial ultrasound propagation for ultrasonic neuromodulation and stimulation
Accurate simulation of transcranial ultrasound propagation for ultrasonic neuromodulation and stimulation Open
Non-invasive, focal neurostimulation with ultrasound is a potentially powerful neuroscientific tool that requires effective transcranial focusing of ultrasound to develop. Time-reversal (TR) focusing using numerical simulations of transcra…
View article: Beam distortion due to gold fiducial markers during salvage high‐intensity focused ultrasound in the prostate
Beam distortion due to gold fiducial markers during salvage high‐intensity focused ultrasound in the prostate Open
Purpose High intensity focused ultrasound ( HIFU ) provides a non‐invasive salvage treatment option for patients with recurrence after external beam radiation therapy ( EBRT ). As part of EBRT the prostate is frequently implanted with perm…
View article: Spectral Domain Decomposition Using Local Fourier Basis: Application to Ultrasound Simulation on a Cluster of GPUs
Spectral Domain Decomposition Using Local Fourier Basis: Application to Ultrasound Simulation on a Cluster of GPUs Open
The simulation of ultrasound wave propagation through biological tissue has a wide range of practical applications. However, large grid sizes are generally needed to capture the phenomena of interest. Here, a novel approach to reduce the c…
View article: Nonlinear 3-D simulation of high-intensity focused ultrasound therapy in the Kidney
Nonlinear 3-D simulation of high-intensity focused ultrasound therapy in the Kidney Open
Kidney cancer is a severe disease which can be treated non-invasively using high-intensity focused ultrasound (HIFU) therapy. However, tissue in front of the transducer and the deep location of kidney can cause significant losses to the ef…
View article: Impact of Optimization and Parallelism on Factorization Speed of SIQS
Impact of Optimization and Parallelism on Factorization Speed of SIQS Open
This paper examines optimization possibilities of Self-Initialization Quadratic Sieve (SIQS), which is enhanced version of Quadratic Sieve factorization method. SIQS is considered the second fastest factorization method at all and the fast…
View article: Control of broadband optically generated ultrasound pulses using binary amplitude holograms
Control of broadband optically generated ultrasound pulses using binary amplitude holograms Open
In this work, the use of binary amplitude holography is investigated as a mechanism to focus broadband acoustic pulses generated by high peak-power pulsed lasers. Two algorithms are described for the calculation of the binary holograms; on…
View article: Ekonomické zhodnocení pořízení nové investice ve vybraném podniku
Ekonomické zhodnocení pořízení nové investice ve vybraném podniku Open
The subject matter of dissertation “Economical evaluation of a new investment obtaining in chosen company” is an evaluation of economical advantageousness of a real investment project. In the opening part there are chapters devoted to plan…