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 Experiment Videos

A computational aspect of kinetic depth effect.

N Sugie, H Inagaki

    Biological Cybernetics
    |January 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a method to determine an object's 3D structure and motion from 2D images. It utilizes the instantaneous rigidity condition and elliptical trajectories of velocity vectors for accurate reconstruction.

    Related Concept Videos

    You might also read

    Related Articles

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

    Sort by
    Same author

    Association between Oral Frailty and Nutritional Status among Community-Dwelling Older Adults: the Takashimadaira Study.

    The journal of nutrition, health & aging·2020
    Same author

    Association of Dietary Variety and Appetite with Sleep Quality in Urban-Dwelling Older Japanese Adults.

    The journal of nutrition, health & aging·2020
    Same author

    Oral gavage of capsaicin causes TRPV1-dependent acute hypothermia and TRPV1-independent long-lasting increase of locomotor activity in the mouse.

    Physiology & behavior·2019
    Same author

    Association of Occlusal Force with Cognition in Independent Older Japanese People.

    JDR clinical and translational research·2019
    Same author

    Two patients with PNKP mutations presenting with microcephaly, seizure, and oculomotor apraxia.

    Clinical genetics·2017
    Same author

    Contribution of fetal ANXA5 gene promoter polymorphisms to the onset of pre-eclampsia.

    Placenta·2013
    Same journal

    Harmonic memory in phasor neural networks.

    Biological cybernetics·2026
    Same journal

    Correction: Decreased spinal inhibition leads to undiversified locomotor patterns.

    Biological cybernetics·2026
    Same journal

    Foundational issues of network models in biology.

    Biological cybernetics·2026
    Same journal

    Dynamical mechanisms for coordinating long-term working memory based on the precision of spike-timing in cortical neurons.

    Biological cybernetics·2026
    Same journal

    Distinct dopaminergic spike-timing-dependent plasticity rules are suited to different functional roles.

    Biological cybernetics·2026
    Same journal

    Fluctuation-response relations for a two-stage population of spiking neurons stimulated by common noise.

    Biological cybernetics·2026
    See all related articles

    Area of Science:

    • Computer Vision
    • Robotics
    • 3D Reconstruction

    Background:

    • Determining 3D structure and motion from 2D images is a fundamental problem in computer vision.
    • Existing methods often require complex calibration or assumptions about lighting conditions.

    Purpose of the Study:

    • To develop a novel method for 3D rigid structure and motion determination from orthographic projections.
    • To leverage the instantaneous rigidity condition and analyze velocity vector trajectories.

    Main Methods:

    • Derivation of the instantaneous rigidity condition from rigidity constraints.
    • Analysis of elliptical trajectories formed by projected relative velocity vectors under constant rotation.
    • Utilizing linear equations derived from observed point positions and velocities in multiple views.

    Related Experiment Videos

    Main Results:

    • The method allows for the determination of 3D structure and motion from a sequence of orthographic images.
    • Elliptical trajectories of velocity vectors provide a means to calculate relative velocities.
    • The instantaneous rigidity condition is used to derive relative positions, enabling full 3D reconstruction.

    Conclusions:

    • The proposed method offers a robust approach to 3D motion and structure recovery.
    • It is applicable even with limited views (two or three) and points (two or three).
    • Results align with psychophysical observations and theoretical studies in motion perception.