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

Radius of Gyration of an Area01:12

Radius of Gyration of an Area

3.0K
The second moment of area, also known as the moment of inertia of area, is a crucial factor in understanding an object's resistance against bending deformation, or stiffness. To accurately estimate the second moment of area along any axis, one needs to concentrate all areas associated with that object into a thin strip, which should be placed parallel to that particular axis.
3.0K
Curvilinear Motion: Rectangular Components01:23

Curvilinear Motion: Rectangular Components

1.5K
Curvilinear motion characterizes the movement of a particle or object along a curved path, notably evident when envisioning a car navigating a winding road. If the car starts at point A, its position vector is established within a fixed frame of reference, where the ratio of the position vector to its magnitude signifies the unit vector pointing in the position vector's direction.
As the car advances, its position evolves over time. Quantifying the car's velocity involves computing the...
1.5K
Shape and Texture of Coarse Aggregate01:25

Shape and Texture of Coarse Aggregate

879
Aggregate shape is classified based on the relative sharpness or roundness of the edges and corners. This classification includes categories like rounded, angular, elongated, and flaky, each with specific characteristics. Rounded aggregates, fully shaped by attrition, are typical of river or seashore gravel, while angular aggregates, such as crushed rock, have well-defined edges. Aggregates that are elongated and flaky are less desirable, as they can reduce the workability and strength of...
879
Properties of Fourier series II01:21

Properties of Fourier series II

714
Time scaling of signals is a crucial concept in signal processing that affects the Fourier series representation without altering its coefficients. The process modifies the fundamental frequency, thereby changing how the series represents the signal over time. This principle is essential in various applications, including audio and image processing, where signal manipulation is frequent. Understanding function symmetries is fundamental to simplifying the Fourier series.
A function f(t) is...
714
Plastic Deformation in Circular Shafts01:20

Plastic Deformation in Circular Shafts

524
When materials are subjected to forces that surpass their yield strength, they undergo a process known as plastic deformation. This results in a permanent alteration or strain in their structure. This concept can be specifically applied to circular shafts, where the deformation leads to a change in its shape. The precise evaluation of this plastic deformation requires understanding the stress distribution within the circular shaft, which is achieved by calculating the maximum shearing stress in...
524
Properties of Fourier Transform II01:24

Properties of Fourier Transform II

890
The Fourier Transform (FT) is an essential mathematical tool in signal processing, transforming a time-domain signal into its frequency-domain representation. This transformation elucidates the relationship between time and frequency domains through several properties, each revealing unique aspects of signal behavior.
The Frequency Shifting property of Fourier Transforms highlights that a shift in the frequency domain corresponds to a phase shift in the time domain. Mathematically, if x(t) has...
890

You might also read

Related Articles

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

Sort by
Same author

Signal combination in flutter vibration perception.

PloS one·2026
Same author

The long-term impact of neovascular age-related macular degeneration undergoing routine treatment in first and second eyes on vision-related quality-of-life: FASBAT Report 3.

Acta ophthalmologica·2026
Same author

Early detection of neovascular age-related macular degeneration in the second eye reduces intravitreal treatment burden: FASBAT report 2.

Eye (London, England)·2026
Same author

Early spatiotemporal dynamics of navigational affordance coding in the dorsal visual cortex.

Nature communications·2026
Same author

Mesoscale developmental rivalry in human extrastriate visual cortex.

bioRxiv : the preprint server for biology·2025
Same author

Evaluating the effective segmentation of human lateral geniculate nucleus.

Brain structure & function·2025
Same journal

Analysis of human visual experience data.

Journal of vision·2026
Same journal

Pyramid-based Bayesian modeling for high-resolution behavioral analysis.

Journal of vision·2026
Same journal

Sensation without perception: The white whale effect and perceptual blindness in autonomous vehicles.

Journal of vision·2026
Same journal

Gaze behavior during closed-captioned movie viewing adapts to absent audio through more frequent switching between text and scene.

Journal of vision·2026
Same journal

In pursuit of saccade awareness: Limited volitional control and minimal conscious access to catch-up saccades during smooth pursuit eye movements.

Journal of vision·2026
Same journal

Dissociable effects of element-lifetime and stimulus-duration on local and global motion processing: An equivalent noise study.

Journal of vision·2026
See all related articles

Related Experiment Video

Updated: Mar 21, 2026

Morphology-Based Distinction Between Healthy and Pathological Cells Utilizing Fourier Transforms and Self-Organizing Maps
08:59

Morphology-Based Distinction Between Healthy and Pathological Cells Utilizing Fourier Transforms and Self-Organizing Maps

Published on: October 28, 2018

7.7K

Global shape aftereffects in composite radial frequency patterns.

Samuel J D Lawrence, Bruce D Keefe, Richard J W Vernon

    Journal of Vision
    |May 19, 2016
    PubMed
    Summary
    This summary is machine-generated.

    Researchers explored global shape processing using radial frequency (RF) patterns. A global shape aftereffect was observed, suggesting intermediate-level mechanisms are involved in processing complex natural shapes.

    More Related Videos

    Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface
    11:54

    Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface

    Published on: May 8, 2021

    5.3K
    Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
    10:17

    Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

    Published on: April 11, 2025

    2.1K

    Related Experiment Videos

    Last Updated: Mar 21, 2026

    Morphology-Based Distinction Between Healthy and Pathological Cells Utilizing Fourier Transforms and Self-Organizing Maps
    08:59

    Morphology-Based Distinction Between Healthy and Pathological Cells Utilizing Fourier Transforms and Self-Organizing Maps

    Published on: October 28, 2018

    7.7K
    Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface
    11:54

    Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface

    Published on: May 8, 2021

    5.3K
    Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
    10:17

    Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

    Published on: April 11, 2025

    2.1K

    Area of Science:

    • Visual perception
    • Computational neuroscience
    • Psychophysics

    Background:

    • Radial frequency (RF) patterns modulate a circle's radius to probe global shape processing.
    • Composite RF patterns mimic natural shapes, offering insights into biologically relevant tasks.
    • Previous research indicates RF patterns engage global shape processing mechanisms.

    Purpose of the Study:

    • To investigate global shape aftereffects using composite RF patterns.
    • To identify the underlying mechanisms of global shape processing.
    • To determine the role of RF information and other shape features in visual perception.

    Main Methods:

    • Generated composite RF patterns from two RF components.
    • Manipulated stimulus properties: shape, location, size, and spatial frequency.
    • Measured the global shape aftereffect and its tuning properties.

    Main Results:

    • A global shape aftereffect was demonstrated in composite RF patterns.
    • The aftereffect was explained by the attenuation of intermediate-level global shape mechanisms.
    • Two distinct mechanisms were identified: one size-tuned and one size-invariant.
    • Evidence suggests shape mechanisms encode RF information, but not exclusively, with curvature also playing a role.

    Conclusions:

    • Intermediate-level global shape mechanisms are crucial for processing complex visual stimuli.
    • Global shape processing involves both size-tuned and size-invariant mechanisms.
    • Global shape perception relies on encoding multiple features, including RF information and curvature.