An experimental investigation of a modified-halftone encoded gray scale image compression system for slow-scan videoteleconferencing

Author

Antonio Jose

Date of Publication

1994

Document Type

Master's Thesis

Degree Name

Master of Science in Electronics and Communications Engineering

Subject Categories

Engineering

College

Gokongwei College of Engineering

Department/Unit

Electronics and Communications Engineering

Thesis Adviser

Dr. Felicito Caluyo

Defense Panel Chair

Aliento Estalilla

Defense Panel Member

Homer Co
Ronald Potenciano

Abstract/Summary

The study involves the implementation of an algorithm for compression of image data using a combination of bit-plane coding and frame-replenishment coding. A method is used here to extend the gray scale display capability of a VGA monitor from 16 to 61 levels. Experiments are then performed to determine the compression capability of the algorithm and the quality of the images produced using subjective and quantitative measures. The target application considered by the study is slow-scan videoteleconferencing.

Abstract Format

html

Language

English

Format

Print

Accession Number

TG02239

Shelf Location

Archives, The Learning Commons, 12F Henry Sy Sr. Hall

Physical Description

64 numb. leaves

Keywords

Image processing -- Digital techniques; Algorithms; Teleconferencing; Imaging systems; Data transmission systems; Video telephone

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