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

Pulse amplitude and quality01:17

Pulse amplitude and quality

3.0K
Pulse amplitude is a crucial indicator of cardiac health because it provides valuable insights into the strength of left ventricular contractions and the overall uniformity of blood circulation within the vasculature. The strength of the pulse is directly related to the force with which the heart contracts and the volume of blood being pumped.
A weak or absent pulse may indicate reduced cardiac output or poor left ventricular contraction, which can be signs of cardiovascular dysfunction or...
3.0K
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

935
The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
935
Perception of Sound Waves01:01

Perception of Sound Waves

5.4K
The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same...
5.4K
Auditory Perception01:17

Auditory Perception

1.0K
The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
1.0K
Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

1.8K
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
1.8K
Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

879
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...
879

You might also read

Related Articles

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

Sort by
Same author

Multi-Dimensional Quality Assessment for Single-Image-to-3D Contents: Dataset and Model.

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

The New Frontier of Quality Evaluation for Visual Sensors: A Survey of Large Multimodal Model-Based Methods.

Sensors (Basel, Switzerland)·2026
Same author

Hierarchical Mesh Representation Learning With Spectral Dictionary Embedding.

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

Integrating multimodal clinical data with a large model for prostate cancer diagnosis.

NPJ digital medicine·2026
Same author

Evaluating and enhancing the performance of large language models in thyroid eye disease through customization and Chain-of-Thought strategies.

Scientific reports·2026
Same author

Variational Bayesian Personalized Ranking.

IEEE transactions on pattern analysis and machine intelligence·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: Jan 15, 2026

Robotized Testing of Camera Positions to Determine Ideal Configuration for Stereo 3D Visualization of Open-Heart Surgery
05:12

Robotized Testing of Camera Positions to Determine Ideal Configuration for Stereo 3D Visualization of Open-Heart Surgery

Published on: August 12, 2021

2.4K

Subjective and Objective Audio-Visual Quality Assessment for Omnidirectional Videos.

Xilei Zhu, Huiyu Duan, Yuqin Cao

    IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society
    |October 6, 2025
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a new method for assessing the quality of audio-visual content in virtual reality (VR). The developed OmniAVNet model effectively predicts the overall quality of omnidirectional videos (ODVs), improving user experience.

    More Related Videos

    Using Electroencephalography Measurements and High-quality Video Recording for Analyzing Visual Perception of Media Content
    10:41

    Using Electroencephalography Measurements and High-quality Video Recording for Analyzing Visual Perception of Media Content

    Published on: May 26, 2018

    7.3K
    Stereoacuity Improvement using Random-Dot Video Games
    06:25

    Stereoacuity Improvement using Random-Dot Video Games

    Published on: January 14, 2020

    15.0K

    Related Experiment Videos

    Last Updated: Jan 15, 2026

    Robotized Testing of Camera Positions to Determine Ideal Configuration for Stereo 3D Visualization of Open-Heart Surgery
    05:12

    Robotized Testing of Camera Positions to Determine Ideal Configuration for Stereo 3D Visualization of Open-Heart Surgery

    Published on: August 12, 2021

    2.4K
    Using Electroencephalography Measurements and High-quality Video Recording for Analyzing Visual Perception of Media Content
    10:41

    Using Electroencephalography Measurements and High-quality Video Recording for Analyzing Visual Perception of Media Content

    Published on: May 26, 2018

    7.3K
    Stereoacuity Improvement using Random-Dot Video Games
    06:25

    Stereoacuity Improvement using Random-Dot Video Games

    Published on: January 14, 2020

    15.0K

    Area of Science:

    • Computer Science
    • Multimedia Systems
    • Signal Processing

    Background:

    • Virtual Reality (VR) and Omnidirectional Videos (ODVs) are increasingly popular for immersive experiences.
    • Existing Quality of Experience (QoE) studies for ODVs primarily focus on visual aspects, neglecting audio's impact.
    • Optimizing ODV quality across production and transmission is crucial for user satisfaction.

    Purpose of the Study:

    • To comprehensively study omnidirectional audio-visual quality assessment (OD-AVQA).
    • To develop a large-scale database for OD-AVQA.
    • To propose and validate novel objective OD-AVQA models.

    Main Methods:

    • Established OAVQAD+, the largest database for ODV audio-visual quality assessment, with 625 distorted sequences and MOS scores.
    • Constructed a benchmark including Type I, II, and III OD-AVQA models.
    • Proposed OmniAVNet, a novel network integrating audio, visual, and motion features for full-reference (FR) and no-reference (NR) OD-AVQA.

    Main Results:

    • OmniAVNet significantly outperforms existing benchmark OD-AVQA models on multiple datasets.
    • The proposed model demonstrates strong performance in predicting audio-visual quality for ODVs.
    • The study provides valuable resources (database and code) for advancing OD-AVQA research.

    Conclusions:

    • Audio modality significantly impacts the perceived quality of ODVs.
    • OmniAVNet offers an effective solution for objective OD-AVQA, supporting both FR and NR modes.
    • This work contributes to enhancing the QoE of immersive VR experiences through better ODV quality assessment.