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

Bacterial Transformation01:33

Bacterial Transformation

59.7K
In 1928, bacteriologist Frederick Griffith worked on a vaccine for pneumonia, which is caused by Streptococcus pneumoniae bacteria. Griffith studied two pneumonia strains in mice: one pathogenic and one non-pathogenic. Only the pathogenic strain killed host mice.
Griffith made an unexpected discovery when he killed the pathogenic strain and mixed its remains with the live, non-pathogenic strain. Not only did the mixture kill host mice, but it also contained living pathogenic bacteria that...
59.7K
Trial and Error and Algorithm01:12

Trial and Error and Algorithm

403
A problem-solving strategy is a plan of action used to find a solution. Different strategies have distinct action plans. Trial and error involves trying different solutions until one works. For instance, to fix a broken printer, you might check ink levels, ensure the paper tray isn't jammed, and verify the printer's connection to your laptop. This method can be time-consuming but is commonly used. Thomas Edison, for example, used trial and error to find a suitable filament for the light...
403
Reaction Mechanisms03:06

Reaction Mechanisms

30.7K
Chemical reactions often occur in a stepwise fashion, involving two or more distinct reactions taking place in a sequence. A balanced equation indicates the reacting species and the product species, but it reveals no details about how the reaction occurs at the molecular level. The reaction mechanism (or reaction path) provides details regarding the precise, step-by-step process by which a reaction occurs.
For instance, the decomposition of ozone appears to follow a mechanism with two steps:
30.7K
Transformers01:26

Transformers

1.8K
A device that transforms voltages from one value to another using induction is called a transformer. A transformer consists of two separate coils, or windings, wrapped around the same soft iron core. However, they are electrically insulated from each other.
The iron core has a substantial relative permeability. Therefore, the magnetic field lines generated due to the current in one winding are almost entirely confined within the core, such that the same magnetic flux permeates each turn of both...
1.8K
Transformation01:26

Transformation

935
Microbial communities are dynamic environments where cell lysis releases free DNA into the surroundings. Other cells can take up this extracellular DNA through a process known as transformation.When a cell incorporates this foreign DNA into its genome, resulting in genetic modification, the process is known as transformation. Cells capable of this process are termed competent. Competence can be natural, as observed in certain bacteria and archaea, or artificially induced in the...
935
Attention-Deficit/Hyperactivity Disorder01:30

Attention-Deficit/Hyperactivity Disorder

896
Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
896

También podría leer

Artículos Relacionados

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

Ordenar por
Same author

<b>Studies on the genus <i>Androthrips</i> from China, with a new species and a new synonym (Thysanoptera: Phlaeothripinae)</b>.

Zootaxa·2026
Same author

Jasmonic Acid Biosynthesis and the Activation of Signal Transduction Pathway Play a Crucial Role in Alfalfa Adaptation to Drought Stress.

Journal of agricultural and food chemistry·2026
Same author

Targeted DNA triplex-forming oligonucleotide liposome for pulmonary fibrosis gene therapy.

Cell reports. Medicine·2026
Same author

Countering postoperative immune suppression with a self-assembling dendritic cell nanovaccine.

Bioactive materials·2026
Same author

From Target-Nontarget to Nontarget Screening: A Review on Screening Methods for Organic Pollutants Based on High-Resolution Mass Spectrometry.

Environment & health (Washington, D.C.)·2026
Same author

Plasma proteomic profiles reveal proteins and characteristic patterns associated with hypertension: A prospective cohort study.

Journal of hypertension·2026

Video Experimental Relacionado

Updated: Jan 29, 2026

Area-based Image Analysis Algorithm for Quantification of Macrophage-fibroblast Cocultures
07:05

Area-based Image Analysis Algorithm for Quantification of Macrophage-fibroblast Cocultures

Published on: February 15, 2022

2.9K

Algoritmo de eliminación de ruido de imágenes infrarrojas basado en transformada de wavelets y mecanismo de

Hongmei Li1, Yang Zhang1, Luxia Yang1

  • 1College of Computer Science and Technology, Taiyuan Normal University, Jinzhong 030619, China.

Sensors (Basel, Switzerland)
|January 28, 2026
PubMed
Resumen

Este estudio presenta un Modelo de Eliminación de Ruido Infrarrojo Mejorado con Transformada de Wavelets (WTEIDM) para mejorar la calidad de las imágenes infrarrojas. El WTEIDM elimina eficazmente el ruido y preserva los detalles cruciales, superando a los métodos existentes.

Palabras clave:
eliminación de ruido de imágenes infrarrojasunidad lineal de compuerta multiescalaatención híbrida paralelatransformerautoatención de transformada de wavelets

Más Videos Relacionados

Measurement of the Directional Information Flow in fNIRS-Hyperscanning Data using the Partial Wavelet Transform Coherence Method
08:42

Measurement of the Directional Information Flow in fNIRS-Hyperscanning Data using the Partial Wavelet Transform Coherence Method

Published on: September 3, 2021

3.6K
Author Spotlight: Addressing Technical and Subjective Challenges in Measuring Classroom Attention
06:37

Author Spotlight: Addressing Technical and Subjective Challenges in Measuring Classroom Attention

Published on: December 15, 2023

5.3K

Videos de Experimentos Relacionados

Last Updated: Jan 29, 2026

Area-based Image Analysis Algorithm for Quantification of Macrophage-fibroblast Cocultures
07:05

Area-based Image Analysis Algorithm for Quantification of Macrophage-fibroblast Cocultures

Published on: February 15, 2022

2.9K
Measurement of the Directional Information Flow in fNIRS-Hyperscanning Data using the Partial Wavelet Transform Coherence Method
08:42

Measurement of the Directional Information Flow in fNIRS-Hyperscanning Data using the Partial Wavelet Transform Coherence Method

Published on: September 3, 2021

3.6K
Author Spotlight: Addressing Technical and Subjective Challenges in Measuring Classroom Attention
06:37

Author Spotlight: Addressing Technical and Subjective Challenges in Measuring Classroom Attention

Published on: December 15, 2023

5.3K

Área de la Ciencia:

  • Visión por Computadora
  • Procesamiento de Imágenes
  • Procesamiento de Señales

Sus antecedentes:

  • Las imágenes infrarrojas sufren de ruido complejo, lo que dificulta la detección y el análisis de objetivos.
  • Los métodos de eliminación de ruido existentes luchan por equilibrar la reducción de ruido con la preservación de detalles.

Objetivo del estudio:

  • Proponer un modelo avanzado de eliminación de ruido infrarrojo que elimine eficazmente el ruido y preserve los detalles de la imagen.
  • Mejorar el rendimiento del procesamiento de imágenes infrarrojas para tareas posteriores.

Principales métodos:

  • Desarrollo de un Modelo de Eliminación de Ruido Infrarrojo Mejorado con Transformada de Wavelets (WTEIDM).
  • Incorporación de un módulo de Autoatención de Transformada de Wavelets (WTSA) para la separación de ruido y detalles.
  • Utilización de una Unidad Lineal de Compuerta Multiescala (MSGLU) para una mejor captura de detalles.
  • Empleo de un Módulo de Atención Híbrida Paralela (PHAM) para una fusión de características mejorada.

Principales resultados:

  • El WTEIDM demostró un rendimiento superior en comparación con los algoritmos de eliminación de ruido de última generación.
  • Evaluado en cinco conjuntos de datos infrarrojos con diferentes niveles de ruido (σ = 15, 25, 50).
  • Se lograron métricas más altas de Relación Señal-Ruido Pico (PSNR) y Índice de Similitud Estructural (SSIM).

Conclusiones:

  • El WTEIDM propuesto aborda eficazmente las limitaciones de las técnicas actuales de eliminación de ruido infrarrojo.
  • El modelo exhibe una excelente capacidad de generalización y robustez en diferentes condiciones de ruido.
  • El WTEIDM mejora significativamente la calidad de las imágenes infrarrojas para aplicaciones posteriores mejoradas.