Raster and vector processing for scanned linework
Photogrammetric Engineering and Remote Sensing
By: David D. Greenlee
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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.
| 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 |