Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

6.6K
Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
6.6K
Computed Tomography01:10

Computed Tomography

6.1K
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
6.1K
Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

50
Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
50
Positron Emission Tomography01:29

Positron Emission Tomography

5.4K
Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
5.4K
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

434
Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
434
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

50
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
50

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Free-Breathing Fat Quantification Using a Phase Error-Corrected Cartesian Acquisition With Spiral Profile Ordering.

Magnetic resonance in medicine·2026
Same author

Multiparametric Free-Breathing 3D Whole-Heart Cardiac MR for Anatomical Bright- and Black-Blood Imaging With Co-Registered <math><semantics><mrow><msub><mrow><mi>T</mi></mrow> <mrow><mn>1</mn></mrow></msub> <mo>/</mo> <msub><mrow><mi>T</mi></mrow> <mrow><mn>2</mn></mrow></msub></mrow> <annotation>$$ {T}_1/{T}_2 $$</annotation></semantics></math> Myocardial Tissue Mapping at <math><semantics><mrow><mn>0</mn> <mo>.</mo> <mn>55</mn></mrow> <annotation>$$ 0.55 $$</annotation></semantics></math> T.

NMR in biomedicine·2026
Same author

Fully-Constrained Variable Projection for Water-Fat Models.

Magnetic resonance in medicine·2026
Same author

Correction: Enhancing SNR in MRI at 7T using wearable coils, dielectric resonators, and dipole antennas.

Magma (New York, N.Y.)·2026
Same author

Clinical feasibility of accelerated whole liver water T<sub>1</sub> mapping with T<sub>2</sub>*-compensation.

European radiology experimental·2026
Same author

<math><semantics><mrow><msub><mi>T</mi> <mn>2</mn></msub></mrow> <annotation>$$ {\boldsymbol{T}}_{\mathbf{2}} $$</annotation></semantics></math> -Weighted Imaging of Water, Fat and Silicone.

Magnetic resonance in medicine·2026
Same journal

Influence of gadolinium-based contrast agent (GBCA) on the diffusion weightings of breast lesions: an intra-patient analysis.

Magma (New York, N.Y.)·2026
Same journal

Evaluation of the diffusion time dependence of the IVIM effect based on realistic capillary flow simulations in mouse brain.

Magma (New York, N.Y.)·2026
Same journal

An evaluation of brain volume and cortical thickness measurement at 0.55 T.

Magma (New York, N.Y.)·2026
Same journal

Net zero emission MR imaging using a permanent 0.4 T magnet.

Magma (New York, N.Y.)·2026
Same journal

Special issue on "deuterium metabolic imaging".

Magma (New York, N.Y.)·2026
Same journal

Black-blood dynamic contrast-enhanced MRI of abdominal aortic aneurysms.

Magma (New York, N.Y.)·2026
Ver todos los artículos relacionados

Video Experimental Relacionado

Updated: Sep 9, 2025

Author Spotlight: Optimized Lung MRI Protocol with Computationally Efficient Reconstruction Methods
05:07

Author Spotlight: Optimized Lung MRI Protocol with Computationally Efficient Reconstruction Methods

Published on: September 6, 2024

465

JEMRIS acelerado por Gpu para simulaciones de resonancia magnética extensa

Aizada Nurdinova1,2, Stefan Ruschke3, Michael Gestrich4

  • 1Department of Radiology, Stanford University, Stanford, USA. nurdaiza@stanford.edu.

Magma (New York, N.Y.)
|September 4, 2025
PubMed
Resumen
Este resumen es generado por máquina.

La paralelización de la unidad de procesamiento gráfico (GPU) acelera las simulaciones de Bloch en JEMRIS, lo que permite un análisis más rápido de artefactos de RM. Esta mejora permite simulaciones más complejas, proporcionando una visión más profunda de los fenómenos de resonancia magnética (IRM).

Palabras clave:
Simulaciones de BlochAceleración de la GPUJEMRIS (en inglés)Artefactos de movimientoLa resonancia magnética cuantitativa

Más Videos Relacionados

Author Spotlight: Methodologies and Advancements of Chronic Pain Management Research
08:33

Author Spotlight: Methodologies and Advancements of Chronic Pain Management Research

Published on: January 5, 2024

1.3K
Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging
15:48

Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging

Published on: December 15, 2014

22.6K

Videos de Experimentos Relacionados

Last Updated: Sep 9, 2025

Author Spotlight: Optimized Lung MRI Protocol with Computationally Efficient Reconstruction Methods
05:07

Author Spotlight: Optimized Lung MRI Protocol with Computationally Efficient Reconstruction Methods

Published on: September 6, 2024

465
Author Spotlight: Methodologies and Advancements of Chronic Pain Management Research
08:33

Author Spotlight: Methodologies and Advancements of Chronic Pain Management Research

Published on: January 5, 2024

1.3K
Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging
15:48

Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging

Published on: December 15, 2014

22.6K

Área de la Ciencia:

  • Imágenes médicas
  • Física computacional
  • Imagen de resonancia magnética (IRM)

Sus antecedentes:

  • JEMRIS es una herramienta de código abierto para simulaciones de RM.
  • Acelerar las simulaciones de Bloch es crucial para escenarios complejos de resonancia magnética.

Objetivo del estudio:

  • Para mejorar JEMRIS con la paralelización de GPU para simulaciones de Bloch más rápidas.
  • Mejorar el rendimiento y las capacidades de la herramienta de simulación JEMRIS.

Principales métodos:

  • Reimplementó las clases clave de JEMRIS en CUDA C++ para la aceleración de la GPU.
  • Comunicación asíncrona integrada y soporte mixto de precisión.
  • Se comparó GPU-JEMRIS con CPU-JEMRIS y KomaMRI.jl.

Principales resultados:

  • Factores de aceleración alcanzados de 3-12 (precisión doble) y 7-65 (precisión única) en comparación con la CPU.
  • Se han demostrado diferencias mínimas de precisión (< 0,1% NRMSE) en doble precisión.
  • Artefactos de movimiento simulados en la cuantificación de grasa hepática, revelando un sesgo significativo.

Conclusiones:

  • GPU-JEMRIS permite simulaciones aceleradas de Bloch en las GPU habilitadas para CUDA.
  • Facilita simulaciones de resonancia magnética más realistas y exigentes desde el punto de vista computacional.
  • Se abren posibilidades para la investigación avanzada en grandes piscinas de espín y efectos dinámicos de resonancia magnética.