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

2.6K
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...
2.6K
Buffer Effectiveness02:19

Buffer Effectiveness

52.3K
Buffer solutions do not have an unlimited capacity to keep the pH relatively constant . Instead, the ability of a buffer solution to resist changes in pH relies on the presence of appreciable amounts of its conjugate weak acid-base pair. When enough strong acid or base is added to substantially lower the concentration of either member of the buffer pair, the buffering action within the solution is compromised.
The buffer capacity is the amount of acid or base that can be added to a given volume...
52.3K
Quality Assurance01:19

Quality Assurance

514
Quality assurance is the overarching term used to describe the activities employed to ensure the proper performance of a system. These activities can be classified into three categories: quality control, quality assessment, and internal corrective measures. Typically, these activities work cyclically: quality control is performed before and during the analysis, while quality assessment occurs during and after the investigation. Internal corrective measures are implemented based on the findings...
514
Uniform Depth Channel Flow01:27

Uniform Depth Channel Flow

267
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...
267
Rapidly Varying Flow01:24

Rapidly Varying Flow

199
Rapidly varying flow (RVF) in open channels is characterized by abrupt changes in flow depth over a short distance, with the rate of depth change relative to distance often approaching unity. These flows are inherently complex due to their transient and multi-dimensional nature, making exact analysis difficult. However, approximate solutions using simplified models provide valuable insights into their behavior.Key Features of Rapidly Varying FlowRVF is commonly observed in scenarios involving...
199
Perceptual Constancy01:12

Perceptual Constancy

810
Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
810

You might also read

Related Articles

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

Sort by
Same author

Joint Quality Assessment and Example-Guided Tone Mapping by Disentangling Picture Appearance From Content.

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

Quality Prediction of Embedded and Overlaid Text in User-Generated Visual Content.

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

SAMScore: A Content Structural Similarity Metric for Image Translation Evaluation.

IEEE transactions on artificial intelligence·2026
Same author

HoloQA: Full Reference Video Quality Assessor of Rendered Human Avatars in Virtual Reality.

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

Constructing Per-Shot Bitrate Ladders Using Visual Information Fidelity.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society·2025
Same author

No-Reference Image Quality Assessment Leveraging GenAI Images.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society·2025

Related Experiment Video

Updated: Nov 8, 2025

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

7.1K

Towards Perceptually Optimized Adaptive Video Streaming-A Realistic Quality of Experience Database.

Christos G Bampis, Zhi Li, Ioannis Katsavounidis

    IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society
    |April 20, 2021
    PubMed
    Summary

    We created the LIVE-NFLX-II database to measure video streaming Quality of Experience (QoE). This resource helps develop better streaming algorithms, especially under low bandwidth conditions.

    More Related Videos

    Stereoacuity Improvement using Random-Dot Video Games
    06:25

    Stereoacuity Improvement using Random-Dot Video Games

    Published on: January 14, 2020

    14.7K
    Loneliness Assuaged: Eye-Tracking an Audience Watching Barrage Videos
    06:45

    Loneliness Assuaged: Eye-Tracking an Audience Watching Barrage Videos

    Published on: May 29, 2020

    4.4K

    Related Experiment Videos

    Last Updated: Nov 8, 2025

    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

    7.1K
    Stereoacuity Improvement using Random-Dot Video Games
    06:25

    Stereoacuity Improvement using Random-Dot Video Games

    Published on: January 14, 2020

    14.7K
    Loneliness Assuaged: Eye-Tracking an Audience Watching Barrage Videos
    06:45

    Loneliness Assuaged: Eye-Tracking an Audience Watching Barrage Videos

    Published on: May 29, 2020

    4.4K

    Area of Science:

    • Computer Science
    • Multimedia Systems
    • Human-Computer Interaction

    Background:

    • Measuring Quality of Experience (QoE) is crucial for video streaming.
    • Existing QoE databases and prediction models require enhancement for realistic scenarios.

    Purpose of the Study:

    • To introduce the LIVE-NFLX-II database for QoE assessment.
    • To facilitate the development of advanced video streaming algorithms.

    Main Methods:

    • Designed the LIVE-NFLX-II database with subjective QoE responses.
    • Incorporated content-adaptive encoding and actual network traces.
    • Focused on low bandwidth conditions and client-side network variations.

    Main Results:

    • Studied the impact of bitrate adaptation, network conditions, and content on user experience.
    • Evaluated the performance of video quality and QoE prediction models.
    • Identified strengths and weaknesses of current QoE models.

    Conclusions:

    • The LIVE-NFLX-II database provides a valuable tool for QoE research.
    • This work will advance perceptually-optimized client adaptation and streaming strategies.
    • The database is publicly available to foster further research.