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Block-Run Run-Length Coding of Handwriting and Bilevel Graphics Based on Quadtree Segmentation

Block-Run Run-Length Coding of Handwriting and Bilevel Graphics Based on Quadtree Segmentation
Block-Run Run-Length Coding of Handwriting and Bilevel Graphics Based on Quadtree Segmentation
An efficient off-line coding scheme for handwriting and bilevel graphics based on quadtree segmentation and block-run run-length coding (RLC) is presented. By segmenting a captured handwriting or graphic image into variable size blocks according to the image activity inside the blocks and run-length coding on a block-run basis, the new scheme is able to achieve higher coding efficiency than the conventional one-dimensional RLC and its bit rate is close to that of on-line dynamographical chain coding.
Segmentation, Chain coding, Handwriting, graphics coding
187-191
Yuen, H
3856b554-ec7d-4cae-a993-7503e7b793eb
Hanzo, L
66e7266f-3066-4fc0-8391-e000acce71a1
Yuen, H
3856b554-ec7d-4cae-a993-7503e7b793eb
Hanzo, L
66e7266f-3066-4fc0-8391-e000acce71a1

Yuen, H and Hanzo, L (1997) Block-Run Run-Length Coding of Handwriting and Bilevel Graphics Based on Quadtree Segmentation. Pattern Recognition Letters, 18 (2), 187-191.

Record type: Article

Abstract

An efficient off-line coding scheme for handwriting and bilevel graphics based on quadtree segmentation and block-run run-length coding (RLC) is presented. By segmenting a captured handwriting or graphic image into variable size blocks according to the image activity inside the blocks and run-length coding on a block-run basis, the new scheme is able to achieve higher coding efficiency than the conventional one-dimensional RLC and its bit rate is close to that of on-line dynamographical chain coding.

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More information

Published date: 1997
Keywords: Segmentation, Chain coding, Handwriting, graphics coding
Organisations: Southampton Wireless Group
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Identifiers

Local EPrints ID: 251298
URI: http://eprints.soton.ac.uk/id/eprint/251298
PURE UUID: b7cd1247-8f1e-42dc-967b-251c42771c1a
ORCID for L Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 26 Oct 1999
Last modified: 18 Mar 2024 02:32

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Contributors

Author: H Yuen
Author: L Hanzo ORCID iD

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