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

Velocity of an Object01:18

Velocity of an Object

208
Understanding how an object moves along a path requires distinguishing between motion over a time span and motion at a precise moment. A useful example is a vehicle traveling along a straight and level path, where its position at any given time is known. The initial step in analyzing this motion is to measure how far the vehicle travels over a fixed time period. This measurement, called average velocity, is computed by dividing the total change in position by the duration over which the change...
208
Potential Due to a Polarized Object01:29

Potential Due to a Polarized Object

805
A neutral atom consists of a positively charged nucleus surrounded by a negatively charged electron cloud. When placed in an external electric field, the external electric force pulls the electrons and nucleus apart, opposite to the intrinsic attraction between the nucleus and the electrons. The opposing forces balance each other with a slight shift between the center of masses of the nucleus and the electron cloud, resulting in a polarized atom. On the other hand, a few molecules, like water,...
805
Potential Due to a Magnetized Object01:24

Potential Due to a Magnetized Object

823
Magnetic dipoles in magnetic materials are aligned when placed under an external magnetic field. For paramagnets and ferromagnets, dipole alignment occurs in the direction of the magnetic field. However, the dipoles align opposite to the field in the case of diamagnets. This state of magnetic polarization due to the external field is called magnetization. Magnetization is defined as the dipole moment per unit volume. It plays a similar role to polarization in electrostatics.
The vector...
823
Moment of Inertia of Compound Objects01:07

Moment of Inertia of Compound Objects

7.6K
The moment of inertia is a quantitative measure of the rotational inertia of an object. It is defined as the sum of the products obtained by multiplying the mass of each particle of matter in a given body by the square of its distance from the axis. The total moment of inertia for compound objects can be found by determining and adding the moment of inertia of individual components together.
Consider a child of mass (mc) 25 kg standing at a distance (rc) of 1 m from the axis of a rotating...
7.6K
Gravitational Potential Energy for Extended Objects01:07

Gravitational Potential Energy for Extended Objects

2.0K
Consider a system comprising several point masses. The coordinates of the center of mass for this system can be expressed as the summation of the product of each mass and its position vector divided by the total mass:
2.0K
Visual System01:26

Visual System

1.9K
Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
1.9K

You might also read

Related Articles

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

Sort by
Same author

Adaptive Zincophilic Synergistic Double-Network Hydrogel Electrolyte for Low-Temperature Long-Life Zinc Batteries.

Micromachines·2026
Same author

DSTFGCN: A dynamic spatial-temporal fusion graph convolution network for traffic flow forecasting.

Neural networks : the official journal of the International Neural Network Society·2026
Same author

Advances in flexible wearable pressure/strain sensors for motion monitoring in orthopaedic sports medicine.

Journal of orthopaedic translation·2026
Same author

Efficient CdTe Solar Cells with an Al Back Electrode Enabled by a Mo/Cr Interfacial Modification Layer.

ACS applied materials & interfaces·2026
Same author

CARE: a next-generation high resolution cloud and radiation remote sensing product and its Earth system applications.

Science bulletin·2026
Same author

Bifunctional PVDF/MXene membranes with high piezoelectric sensitivity and near infrared photothermal antibacterial efficacy toward wearable human activity monitoring.

Nanoscale·2026
Same journal

Style-Aware Contrastive Test-Time Adaptation: A Dual-Cache Model for Robust Vision-Language Alignment.

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

Semantic Frame Interpolation.

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

Physics-Guided Cross-Modal Decoupling with Test-Time Adaptation for Hyperspectral Image Restoration.

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

Related Experiment Video

Updated: Feb 12, 2026

Creating Objects and Object Categories for Studying Perception and Perceptual Learning
14:38

Creating Objects and Object Categories for Studying Perception and Perceptual Learning

Published on: November 2, 2012

12.3K

Manifold-Based Visual Object Counting.

Yi Wang, Yuexian Zou, Wenwu Wang

    IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society
    |April 12, 2018
    PubMed
    Summary
    This summary is machine-generated.

    A new manifold-based method (M-VOC) improves visual object counting by assuming similar image patches have similar densities. This approach enhances accuracy for new objects and scenes, outperforming existing methods.

    More Related Videos

    Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
    07:08

    Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

    Published on: August 1, 2018

    8.7K
    Objectively Assessing Sports Concussion Utilizing Visual Evoked Potentials
    12:11

    Objectively Assessing Sports Concussion Utilizing Visual Evoked Potentials

    Published on: April 27, 2021

    3.9K

    Related Experiment Videos

    Last Updated: Feb 12, 2026

    Creating Objects and Object Categories for Studying Perception and Perceptual Learning
    14:38

    Creating Objects and Object Categories for Studying Perception and Perceptual Learning

    Published on: November 2, 2012

    12.3K
    Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
    07:08

    Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

    Published on: August 1, 2018

    8.7K
    Objectively Assessing Sports Concussion Utilizing Visual Evoked Potentials
    12:11

    Objectively Assessing Sports Concussion Utilizing Visual Evoked Potentials

    Published on: April 27, 2021

    3.9K

    Area of Science:

    • Computer Vision
    • Machine Learning
    • Image Analysis

    Background:

    • Visual object counting (VOC) estimates object numbers in images/videos.
    • Density-based methods show promise but struggle with novel objects/scenes.
    • Existing methods lack robustness in real-world applications.

    Purpose of the Study:

    • To introduce a manifold-based method for visual object counting (M-VOC).
    • To address the limitations of current density-based VOC methods.
    • To improve the robustness and accuracy of object counting algorithms.

    Main Methods:

    • Utilizing a manifold assumption: similar image patches share similar object densities.
    • Representing local image patch geometry using neighbors and locally linear embedding.
    • Incorporating sparsity and non-negativity constraints via regularization and kernel methods.

    Main Results:

    • M-VOC achieves competitive performance on seven benchmark datasets.
    • Demonstrated robustness to variations in training data size and image resolution.
    • Outperforms state-of-the-art visual object counting methods.

    Conclusions:

    • The proposed M-VOC method offers a robust and accurate solution for visual object counting.
    • Manifold learning provides an effective framework for density estimation in computer vision.
    • M-VOC shows significant potential for real-world object counting applications.