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

Uniform Depth Channel Flow01:27

Uniform Depth Channel Flow

430
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 cross-section...
430
Non-inertial Frames of Reference01:27

Non-inertial Frames of Reference

6.9K
A reference frame accelerating or decelerating relative to an inertial frame is a non-inertial frame. To help understand this, consider what taking off in an airplane, turning a corner in a car, riding a merry-go-round, and the circular motion of a tropical cyclone all have in common. All these systems are accelerating, decelerating, or rotating relative to the Earth; hence, they all are non-inertial frames. All these systems exhibit inertial forces, which merely seem to arise from motion,...
6.9K
Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

775
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...
775
Inertial Frames of Reference01:03

Inertial Frames of Reference

8.4K
Newton’s first law is usually considered to be a statement about reference frames. It provides a method for identifying a special type of reference frame: the inertial reference frame. In principle, we can make the net force on a body zero. If its velocity relative to a given frame is constant, then that frame is said to be inertial. So, by definition, an inertial reference frame is a reference frame where Newton's first law holds valid. Newton's first law applies to objects with...
8.4K
Uniform Depth Channel Flow: Problem Solving01:18

Uniform Depth Channel Flow: Problem Solving

342
To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...
342
Relative Motion Analysis - Velocity01:24

Relative Motion Analysis - Velocity

588
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...
588

You might also read

Related Articles

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

Sort by
Same author

Comparison of Allo-HSCT outcomes after CAR-T therapy versus chemotherapy in pediatric patients with relapsed/refractory B-ALL: a retrospective study.

The oncologist·2026
Same author

Research on Density Prediction of Laser Powder Bed Fusion Process Parameters for IN718 Nickel-Based Superalloy Based on Machine Learning.

Materials (Basel, Switzerland)·2026
Same author

LangSurf: Language-Embedded Surface Gaussians for 3D Scene Understanding.

IEEE transactions on pattern analysis and machine intelligence·2026
Same author

Dynamics and Mechanism of Photoenzymatic Dehalogenation Reactions through Electron-Transfer Bifurcation.

Journal of the American Chemical Society·2026
Same author

Smartly engineered biomaterials drive immune remodeling: A new paradigm for precise treatment of inflammatory bowel disease.

International immunopharmacology·2026
Same author

Mitigating multimodal hallucinations through visual attention tracing and origin-point regeneration.

Scientific reports·2026
Same journal

Change-Prior-Guided Unsupervised Change Detection of Heterogeneous Remote Sensing Images.

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

AgonicDreamer: Enhancing Multi-View Consistency in Text-to-3D Generation via Rectified Score Distillation.

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

BiCM-Prompt: Bidirectional Cross-Modal Prompt Tuning for Class-Incremental Learning on Multisource Remote Sensing Images.

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

GoP-based Quality Enhancement on Video Compression.

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

Align then Tensorize: Multi-Level Consistent Anchor Graph Learning for Scalable Multi-View Clustering.

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

Beyond Fidelity: Diverse Image Synthesis via Retrieval-Augmented Diffusion.

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

Related Experiment Video

Updated: Dec 12, 2025

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

Profiling Maternal Behavior Responses During Whole-Brain Imaging

Published on: January 24, 2025

1.2K

Optical Flow Based Co-located Reference Frame for Video Compression.

Bohan Li, Jingning Han, Yaowu Xu

    IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society
    |August 14, 2020
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a novel bi-directional motion compensation method for video coding. It significantly improves coding efficiency by accurately capturing complex motion with reduced computational complexity.

    More Related Videos

    High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
    11:34

    High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

    Published on: December 3, 2013

    15.9K
    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

    12.4K

    Related Experiment Videos

    Last Updated: Dec 12, 2025

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

    Profiling Maternal Behavior Responses During Whole-Brain Imaging

    Published on: January 24, 2025

    1.2K
    High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
    11:34

    High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

    Published on: December 3, 2013

    15.9K
    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

    12.4K

    Area of Science:

    • Computer Vision
    • Digital Signal Processing
    • Video Compression

    Background:

    • Traditional motion compensation methods often struggle with complex motion and require additional side information.
    • Existing techniques may not fully leverage motion information from multiple reference frames.

    Purpose of the Study:

    • To develop a novel bi-directional motion compensation framework for enhanced video coding efficiency.
    • To capture complex inter-frame motion without additional side information.
    • To reduce decoder complexity for real-time applications.

    Main Methods:

    • Proposed a bi-directional motion compensation framework utilizing optical flow estimation for dense motion fields.
    • Interpolated a co-located reference frame candidate using estimated optical flow.
    • Transmitted offset motion vectors to correct for interpolation deviations.
    • Introduced optimization schemes and a block-constrained speed-up algorithm for complexity reduction.

    Main Results:

    • Achieved significant coding gains across diverse video sequences using the proposed framework and optimizations.
    • Demonstrated substantial complexity reduction with the speed-up algorithm while preserving most performance gains.
    • Validated the effectiveness of dense optical flow estimation for complex motion compensation.

    Conclusions:

    • The novel bi-directional motion compensation framework offers significant improvements in video coding efficiency.
    • The proposed speed-up algorithm effectively balances performance and complexity, making it suitable for resource-constrained applications.
    • This approach advances motion compensation techniques by integrating dense optical flow and optimized vector transmission.