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

3.5K
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...
3.5K
Quality Control01:05

Quality Control

4.1K
Quality control is one of the three cyclical quality assurance activities that help keep a system under statistical control. Typical quality control activities include creating quality control charts, conducting proficiency testing, and documenting and archiving results.
Quality control helps track data, visualize trends, and identify variations, making it easier to detect deviations that may affect the accuracy of an analysis. One way to do this is by generating a quality control chart, which...
4.1K
Upsampling01:22

Upsampling

679
Managing signal sampling rates is essential in digital signal processing to maintain signal integrity. A decimated signal, characterized by a reduced frequency range due to its lower sampling rate, can be upsampled by inserting zeros between each sample. This upsampling process expands the original spectrum and introduces repeated spectral replicas at intervals dictated by the new Nyquist frequency. To refine this zero-inserted sequence, it is passed through a lowpass filter with a cutoff...
679
Reducing Line Loss01:18

Reducing Line Loss

429
In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
429
Downsampling01:20

Downsampling

744
When considering a sampled sequence with zero values between sampling instants, one can replace it by taking every N-th value of the sequence. At these integer multiples of N, the original and sampled sequences coincide. This process, known as decimation, involves extracting every N-th sample from a sequence, thereby creating a more efficient sequence.
The Fourier transform of the decimated sequence reveals a combination of scaled and shifted versions of the original spectrum. This...
744
Uniform Depth Channel Flow01:27

Uniform Depth Channel Flow

706
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...
706

You might also read

Related Articles

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

Sort by
Same author

PAC-Net: patch adaptive cut-off network with differentiable module-wise K-learning for robust and efficient medical image segmentation.

Physics in medicine and biology·2026
Same author

Corrigendum to "Dual-functional hydrogel platform suppresses M1 activation and stabilizes M2 macrophages in intervertebral disc degeneration" [Mater. Today Bio, 38 (2026), 103087].

Materials today. Bio·2026
Same author

Metagenomic profiling of biliary microbiota reveals distinct microbial and functional features in cholelithiasis and cholecystic polyps.

Medicine·2026
Same author

Seasonal and Sex Differences in Children's Body Composition Under In-Term PA Versus Vacation Non-PA Periods: A 40-Month Natural-Experiment Observation.

American journal of human biology : the official journal of the Human Biology Council·2026
Same author

Advances in Foodborne Pathogen Detection: From Conventional Confirmation to Integrated and Intelligent Platforms.

Foods (Basel, Switzerland)·2026
Same author

Dose-Gradient Function-Guided Reduction of Radiation-Induced Heart Injury in Left-Sided Breast Cancer Treated With Helical Tomotherapy After Mastectomy.

Technology in cancer research & treatment·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: Mar 12, 2026

Characterization of Anisotropic Leaky Mode Modulators for Holovideo
09:36

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

8.4K

Multi-Layer Quantization Control for Quality-Constrained H.265/HEVC.

Xiang Pan, Zhenzhong Chen

    IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society
    |November 17, 2016
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a multi-layer quantization control method for stable video quality in H.265/HEVC video compression. The new approach ensures consistent video quality by modeling rate-quality characteristics and using a Kalman filter.

    Related Experiment Videos

    Last Updated: Mar 12, 2026

    Characterization of Anisotropic Leaky Mode Modulators for Holovideo
    09:36

    Characterization of Anisotropic Leaky Mode Modulators for Holovideo

    Published on: March 19, 2016

    8.4K

    Area of Science:

    • Digital video compression
    • Video quality assessment
    • Signal processing

    Background:

    • Stable video quality is crucial for effective video compression.
    • Existing methods may not consistently achieve target video quality.
    • H.265/HEVC offers a new hierarchical partition structure for advanced compression.

    Purpose of the Study:

    • To develop a multi-layer quantization control method for quality-constrained video coding.
    • To achieve stable video quality in H.265/HEVC compression.
    • To improve upon existing rate control algorithms.

    Main Methods:

    • Modeling rate-quality characteristics using ν-support vector regression with a Gaussian radial basis function kernel.
    • Proposing a Kalman filter-based multi-layer quantization control strategy.
    • Implementing and evaluating the method within the H.265/HEVC framework.

    Main Results:

    • The proposed method demonstrates advantages in H.265/HEVC video compression.
    • Experimental results show more stable video quality compared to other algorithms.
    • Achieved consistent target video quality across different video sequences.

    Conclusions:

    • The multi-layer quantization control method effectively achieves stable video quality.
    • The Kalman filter integration enhances quality-constrained video coding performance.
    • This approach offers a superior solution for H.265/HEVC quality control.