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

Practical low-cost visual communication using binary images for deaf sign language.

M D Manoranjan1, J A Robinson

  • 1PixStream, Inc., Waterloo, Ont., Canada.

IEEE Transactions on Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society
|April 25, 2000
PubMed
Summary

This study introduces a practical method for sign language communication over telephone lines using moving binary sketches. The system achieves adequate temporal resolution for effective visual communication, even with low-bandwidth connections.

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

MicroCT imaging of fibre water uptake in sugar maple (Acer saccharum) in response to freezing.

Micron (Oxford, England : 1993)·2025
Same author

High doses of a national preschool program are associated with the long-term mitigation of adverse outcomes in cognitive development and life satisfaction among children who experience early stunting: a multi-site longitudinal study in Vietnam.

Frontiers in public health·2024
Same author

Practical Hints for Dentists.

The Independent practitioner·2023
Same author

Cancer in the Testicle and Effusion in the Left Pleural Cavity.

The Chicago medical journal and examiner·2023
Same author

Aristocracy of Profession.

The Dental register·2021
Same author

Aristocracy of Professions.

The Dental register·2021

Area of Science:

  • Computer Vision
  • Digital Communication
  • Human-Computer Interaction

Background:

  • Effective video-based sign language communication requires high temporal resolution (8-10 frames/s).
  • Conventional videoconferencing over low bandwidth yields poor temporal resolution (<1 frame/s), causing jerky visuals.
  • This limits accessibility for deaf individuals relying on visual communication methods.

Purpose of the Study:

  • To develop a practical solution for real-time sign language communication over low-bandwidth telephone lines.
  • To achieve adequate image temporal resolution for clear visual communication using simplified image representations.
  • To enable effective sign language transmission using standard personal computer hardware and low-cost cameras.

Main Methods:

  • Utilizing moving binary sketches (cartoons) instead of full-color video frames.

Related Experiment Videos

  • Implementing an efficient feature extraction algorithm adaptive to global image statistics.
  • Applying irreversible preprocessing (isolated point removal, predictive filtering) for enhanced binary image quality.
  • Employing a recursive temporal prefiltering scheme using frame histograms to reduce camera noise.
  • Using an efficient three-dimensional (3-D) compression scheme for binary sketches.

    • Main Results:

    • The proposed system provides adequate temporal resolution for sign language communication.
    • Binary sketches effectively represent motion for communication despite low bandwidth.
    • Preprocessing and noise reduction techniques improve subjective image quality.
    • 3-D compression efficiently codes the binary sketch data.

    Conclusions:

    • The developed system offers a viable solution for sign language communication over standard telephone lines.
    • Moving binary sketches are effective for maintaining communication quality in low-bandwidth video.
    • The system demonstrates practical applicability for enhancing communication accessibility for the deaf community.