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

Typical Model Studies01:30

Typical Model Studies

809
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
809
Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

1.0K
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it...
1.0K
Uniform Depth Channel Flow01:27

Uniform Depth Channel Flow

873
Uniform depth channel flow keeps fluid depth consistent along channels such as irrigation canals. In natural channels, such as rivers, approximate uniform flow is often assumed. This condition occurs when the channel’s bottom slope matches the energy slope, balancing potential energy lost from gravity with head loss due to shear stress. This balance prevents depth changes along the channel length, resulting in a steady, uniform flow.Uniform flow in open channels with a constant...
873
Modeling and Similitude01:12

Modeling and Similitude

835
Scaled modeling is a fundamental technique in engineering, enabling the study of large and complex systems by creating smaller, manageable replicas that recreate critical characteristics of the original. In hydrology and civil infrastructure, for example, scaled models of dams help analyze water flow, turbulence, and pressure. This method allows for accurate predictions of real-world behavior within a controlled environment, significantly reducing the cost and time involved in full-scale...
835
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

834
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
834
Relative Motion Analysis - Velocity01:24

Relative Motion Analysis - Velocity

968
A stroke engine has a slider-crank mechanism that converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider.
When an external force is exerted, it sets the crank into a rotational movement. This, in turn, instigates the motion of the connecting rod, leading to what is referred to as a general plane motion. This process involves two key points - point A on the connecting rod...
968

You might also read

Related Articles

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

Sort by
Same author

Chinese guidelines on comprehensive assessment of clinical practice in hematopoietic stem cell transplantation Δ.

Journal of cancer research and therapeutics·2026
Same author

Computer-aided design of anterior guidance with a modified patient-specific motion technique in anterior implant-supported single crowns: A multicenter crossover trial.

Journal of prosthodontics : official journal of the American College of Prosthodontists·2026
Same author

Electrostatically assembled CaO<sub>2</sub>@MPN-HA nanoreactors potentiate anti-PD-1 therapy in thyroid cancer via synergistic ferroptosis and calcium overload.

Colloids and surfaces. B, Biointerfaces·2026
Same author

Accuracy of a novel maxillomandibular relationship transfer technique versus model scanning and intraoral scanning: An in vivo study.

Journal of stomatology, oral and maxillofacial surgery·2026
Same author

Single-cell transcriptomics reveals cellular heterogeneity and phenotypic transitions of smooth muscle cells in aortic dissection.

iMeta·2026
Same author

Generalization of Left Ventricular Segmentation Models to LVNC Patients: A Comparative Study.

Journal of imaging informatics in medicine·2026
Same journal

Mask-guided Asymmetric Contrastive and Semantic Alignment for Unsupervised Person Re-Identification.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society·2026
Same journal

Hyperbolic Cycle Alignment for Infrared-Visible Image Fusion.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society·2026
Same journal

Learning Gaze Synthesizer via 3D-eye Controlled Diffusion and Cross-domain Feature Alignment.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society·2026
Same journal

Underlying Semantic Diffusion for Effective and Efficient In-Context Learning.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society·2026
Same journal

DiffRES: Unleashing Text-to-Image Diffusion Models for Generative Referring Expression Segmentation without Information Leakage.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society·2026
Same journal

Location Matters: Frequency-Spatial Dual Space Adaptation for Cross-Domain Few-Shot Segmentation.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society·2026
See all related articles

Related Experiment Video

Updated: Apr 27, 2026

Profiling Maternal Behavior Responses During Whole-Brain Imaging
07:12

Profiling Maternal Behavior Responses During Whole-Brain Imaging

Published on: January 24, 2025

1.5K

Observation model based on scale interactions for optical flow estimation.

Pascal Zille, Thomas Corpetti, Liang Shao

    IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society
    |June 27, 2014
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a novel multiresolution optical flow model that accounts for inter-scale interactions. This new observation model improves motion estimation consistency and prevents error propagation in optical flow calculations.

    More Related Videos

    Determining 3D Flow Fields via Multi-camera Light Field Imaging
    14:25

    Determining 3D Flow Fields via Multi-camera Light Field Imaging

    Published on: March 6, 2013

    18.2K
    Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
    10:56

    Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

    Published on: May 20, 2014

    11.5K

    Related Experiment Videos

    Last Updated: Apr 27, 2026

    Profiling Maternal Behavior Responses During Whole-Brain Imaging
    07:12

    Profiling Maternal Behavior Responses During Whole-Brain Imaging

    Published on: January 24, 2025

    1.5K
    Determining 3D Flow Fields via Multi-camera Light Field Imaging
    14:25

    Determining 3D Flow Fields via Multi-camera Light Field Imaging

    Published on: March 6, 2013

    18.2K
    Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
    10:56

    Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

    Published on: May 20, 2014

    11.5K

    Area of Science:

    • Computer Vision
    • Image Processing
    • Fluid Mechanics

    Background:

    • State-of-the-art optical flow methods use multiresolution frameworks for large motion recovery.
    • These methods often treat different resolution levels independently, neglecting inter-scale influences.

    Purpose of the Study:

    • To propose a novel observation model for multiresolution optical flow estimation.
    • To address limitations of current methods by incorporating interactions between different resolution scales.

    Main Methods:

    • A flexible framework inspired by fluid mechanics was developed.
    • Key variables are decomposed into resolved and unresolved components at each resolution level.
    • A new data term is derived, considering the influence of finer scales on coarser ones.

    Main Results:

    • The new data term was embedded in a multiresolution Lucas-Kanade estimator.
    • The proposed term demonstrated more consistent estimates compared to the standard optical flow constraint.
    • Error propagation during estimation was significantly reduced.

    Conclusions:

    • The novel observation model enhances the accuracy and robustness of multiresolution optical flow estimation.
    • This approach offers substantial improvements across various image types (synthetic, real, physical).