Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Gaussian Elimination: Problem Solving01:30

Gaussian Elimination: Problem Solving

187
Systems of linear equations in several variables are pivotal in modeling complex scenarios involving multiple unknowns and constraints. Such systems are widely used in various fields to represent relationships where several conditions must be simultaneously satisfied. Each variable in the system corresponds to an unknown quantity, while each equation imposes a linear constraint, leading to a structured approach for analyzing and solving real-world problems.A system of three equations with three...
187
Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

13.4K
Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
13.4K
Design Example: Designing Water Slide01:18

Design Example: Designing Water Slide

625
When designing a water slide, controlling the speed of water flow is crucial for rider safety while maintaining an exciting experience. As water flows down the slide, gravity causes it to accelerate, with its speed at the bottom depending on the height from which it starts. The higher the slide, the more potential energy the water has at the top, which is converted into kinetic energy as it descends, increasing its speed.
Bernoulli's principle determines the water's velocity along the slide....
625
Parallel Processing01:20

Parallel Processing

708
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
708
Information Processing Approach01:30

Information Processing Approach

563
The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
563
Processes of Self-Presentation01:29

Processes of Self-Presentation

247
Effective self-presentation is a central component of social interaction and identity construction. It relies on the dynamic processes of defining the situation and engaging in self-disclosure. These mechanisms help individuals navigate social context expectations and manage how others perceive them, fostering mutual understanding and relationship development.Defining the SituationSocial situations are shaped by collectively understood frames—a set of widely understood rules or...
247

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Stability of Rowing Technique and Specificity of Training Load: A Pilot Longitudinal Study in Young Athletes.

Sports (Basel, Switzerland)·2026
Same author

Transmission of NIR Radiation Through Multi-layer Mouse Head at Scalp Skin Optical Clearing.

Academic radiology·2025
Same author

Skin Adhesive 3D-Printable BSA-Amyloid/Cellulose Hybrid Hydrogel Film for Rapid Wound Healing and Skin Regeneration with Enhanced Antioxidant and Anti-Inflammatory Properties.

ACS applied bio materials·2025
Same author

Transmission Laser Speckle Contrast Imaging Combined With Optical Clearing Using Magnetic Resonance Contrast Agents.

Lasers in surgery and medicine·2025
Same author

Structural and Rheological Properties of a Fish Collagen-Based Hydrogel Considered as a Brain Tissue Phantom.

Langmuir : the ACS journal of surfaces and colloids·2025
Same author

Single-cell analysis of <i>Mycobacterium tuberculosis</i> with diverse drug resistance using surface-enhanced Raman spectroscopy (SERS).

PeerJ·2025

Related Experiment Video

Updated: Jan 29, 2026

How to Build a Laser Speckle Contrast Imaging LSCI System to Monitor Blood Flow
05:24

How to Build a Laser Speckle Contrast Imaging LSCI System to Monitor Blood Flow

Published on: November 11, 2010

24.6K

Gaussian sliding window for robust processing laser speckle contrast images.

Eugene B Postnikov1, Maria O Tsoy2, Polina A Timoshina2

  • 1Department of Theoretical Physics, Kursk State University, Kursk, Russia.

International Journal for Numerical Methods in Biomedical Engineering
|February 9, 2019
PubMed
Summary

This study introduces a new Gaussian sliding filter for laser speckle contrast analysis (LASCA) in microcirculation research. This advanced method improves spatial and temporal resolution, enhancing the detection of small blood flow variations.

Keywords:
biomedical image processinggaussian filterlaser speckle contrast analysis

More Related Videos

A Novel Approach to Overcome Movement Artifact When Using a Laser Speckle Contrast Imaging System for Alternating Speeds of Blood Microcirculation
07:20

A Novel Approach to Overcome Movement Artifact When Using a Laser Speckle Contrast Imaging System for Alternating Speeds of Blood Microcirculation

Published on: August 30, 2017

8.8K
Paired Cisterna Magna Nanoinjection and Laser Speckle Contrast Imaging Assay to Study Cerebral Blood Flow Regulation In Vivo
06:24

Paired Cisterna Magna Nanoinjection and Laser Speckle Contrast Imaging Assay to Study Cerebral Blood Flow Regulation In Vivo

Published on: July 8, 2025

981

Related Experiment Videos

Last Updated: Jan 29, 2026

How to Build a Laser Speckle Contrast Imaging LSCI System to Monitor Blood Flow
05:24

How to Build a Laser Speckle Contrast Imaging LSCI System to Monitor Blood Flow

Published on: November 11, 2010

24.6K
A Novel Approach to Overcome Movement Artifact When Using a Laser Speckle Contrast Imaging System for Alternating Speeds of Blood Microcirculation
07:20

A Novel Approach to Overcome Movement Artifact When Using a Laser Speckle Contrast Imaging System for Alternating Speeds of Blood Microcirculation

Published on: August 30, 2017

8.8K
Paired Cisterna Magna Nanoinjection and Laser Speckle Contrast Imaging Assay to Study Cerebral Blood Flow Regulation In Vivo
06:24

Paired Cisterna Magna Nanoinjection and Laser Speckle Contrast Imaging Assay to Study Cerebral Blood Flow Regulation In Vivo

Published on: July 8, 2025

981

Area of Science:

  • Biomedical Engineering
  • Optical Imaging
  • Microcirculation Research

Background:

  • Laser Speckle Contrast Analysis (LASCA) is vital for microcirculation studies.
  • Conventional LASCA methods using rectangular filters have limitations in spatial/temporal resolution.
  • These limitations hinder the detection of small contrast objects.

Purpose of the Study:

  • To develop an advanced data processing algorithm for LASCA.
  • To overcome the resolution limitations of conventional LASCA techniques.
  • To enhance the detection capabilities for microcirculation studies.

Main Methods:

  • Developed an alternative data processing algorithm using a Gaussian sliding filter.
  • Applied the Gaussian filter for sequential determination of spatial and temporal speckle contrast.
  • Processed surrogate and real experimental data to validate the method.

Main Results:

  • The Gaussian sliding filter offers monotonic damping of high-frequency spectral components.
  • This leads to reduced ringing and aliasing effects in spatio-temporal contrast outputs.
  • The method demonstrates increased robustness in processing non-stabilized image sequences.

Conclusions:

  • The Gaussian sliding filter represents a significant advancement in LASCA data processing.
  • This improved algorithm enhances microcirculation analysis by overcoming resolution limitations.
  • The findings support broader applicability of LASCA in complex biological systems.