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 Experiment Videos

Optimal median-type filtering under structural constraints.

B Zeng1

  • 1Dept. of Electr. and Electron. Eng., Hong Kong Univ. of Sci. and Technol., Kowloon.

IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society
|January 1, 1995
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

[Clinical application of superimposed high-frequency jet ventilation in adult and pediatric laryngotracheal surgery].

Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery·2026
Same author

[A case of primary giant malignant melanoma of the eye with extraocular extension].

[Zhonghua yan ke za zhi] Chinese journal of ophthalmology·2026
Same author

[Research progress on cardiac L-type calcium channel mutations in Brugada syndrome and early repolarization syndrome].

Zhonghua xin xue guan bing za zhi·2025
Same author

[A retrospective study on an innovative modular surgical technique in laparoscopic total gastrectomy combined with spleen-preserving hilar lymphadenectomy].

Zhonghua wei chang wai ke za zhi = Chinese journal of gastrointestinal surgery·2025
Same author

Genome-wide identification of xyloglucan endotransglucosylase/hydrolase genes in almond and PdXTH2 overexpression induces cell structural disassembly and promotes programmed cell death progression.

Plant biology (Stuttgart, Germany)·2025
Same author

Differentially spliced mitochondrial CYP419A1 contributes to ethiprole resistance in Nilaparvata lugens.

Insect biochemistry and molecular biology·2025
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

This study introduces a simple yet effective method for designing median filters that maximize noise reduction while preserving signal features. The new filter design matches or exceeds optimal weighted median filter performance for various noise types.

Area of Science:

  • Signal Processing
  • Image Processing
  • Filter Design

Background:

  • Median filters are crucial for noise reduction in signals and images.
  • Preserving signal features during noise attenuation is a key challenge.
  • Optimal weighted median (WM) filters offer high performance but are complex to design.

Purpose of the Study:

  • To develop a novel, simplified method for designing median-type filters.
  • To achieve maximum noise attenuation under structural constraints.
  • To ensure the designed filters preserve essential signal or image features.

Main Methods:

  • Direct modification of the Boolean function of a standard median filter.
  • Derivation of an analytic, closed-form representation for the filter's Boolean function.

Related Experiment Videos

  • Theoretical proof of performance equivalence or superiority to optimal WM filters under identical constraints.

    • Main Results:

    • Simulations show significant noise attenuation improvements: 41% (uniform), 46% (Gaussian), and 52% (double-exponential) in 2-D cases.
    • The method provides a simpler alternative to solving complex linear inequalities for WM filter design.
    • Demonstrated substantial improvement in impulsive noise environments, validated by an image enhancement application.

    Conclusions:

    • The proposed filter design method is simple, general, and highly effective.
    • It offers a practical approach to achieving superior noise reduction while maintaining signal integrity.
    • This method advances the field of digital signal and image processing filter design.