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Raster and vector processing for scanned linework

Photogrammetric Engineering and Remote Sensing
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Abstract

An investigation of raster editing techniques, including thinning, filling, and node detecting, was performed by using specialized software. The techniques were based on encoding the state of the 3-by-3 neighborhood surrounding each pixel into a single byte. A prototypical method for converting the edited raster linkwork into vectors was also developed. Once vector representations of the lines were formed, they were formatted as a Digital Line Graph, and further refined by deletion of nonessential vertices and by smoothing with a curve-fitting technique.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Raster and vector processing for scanned linework
Series title Photogrammetric Engineering and Remote Sensing
Volume 53
Issue 10
Year Published 1987
Language English
Publisher American Society for Photogrammetry and Remote Sensing
Contributing office(s) Earth Resources Observation and Science (EROS) Center
Description 5 p.
First page 1383
Last page 1387
Online Only (Y/N) N
Additional Online Files (Y/N) N