raster to vector conversion ioana ciobanu jános farkas pawel kulinski arpád szövérdfi ssip...
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Raster to Vector Raster to Vector ConversionConversion
Ioana CiobanuIoana Ciobanu
János FarkasJános Farkas
Pawel KulinskiPawel Kulinski
Arpád SzövérdfiArpád Szövérdfi
SSIP Timisoara 2003SSIP Timisoara 2003
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IntroductionIntroduction
Raster to vector conversionRaster to vector conversion
Starting from a reasonably complex drawing saved in raster format, decompose it in the composite vectors from which it was formed.
Input: raster image. Output: vector description.
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StepsSteps
BinarizationBinarization VectorizationVectorization
pointspoints lineslines trianglestriangles rectanglesrectangles
Further developmentFurther development
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StepsSteps
BinarizationBinarization VectorizationVectorization
pointspoints lineslines trianglestriangles rectanglesrectangles
Further developmentFurther development
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BinarizationBinarization
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BinarizationBinarization
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BinarizationBinarization
Distance-map
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BinarizationBinarization
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StepsSteps
BinarizationBinarization VectorizationVectorization
pointspoints lineslines trianglestriangles rectanglesrectangles
Further developmentFurther development
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VectorisationVectorisation
The input binary imageThe input binary image
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VectorisationVectorisation
Finding endsFinding ends
0 0 00 1 10 0 0
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VectorisationVectorisation
Removing linesRemoving lines
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VectorisationVectorisation
Finding 90Finding 90° cornerscorners
0 0 10 1 00 0 1
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VectorisationVectorisation
Finding and removing rectanglesFinding and removing rectangles
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VectorisationVectorisation
Finding otherFinding other cornerscorners
0 0 10 1 10 0 0
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VectorisationVectorisation
Finding and removing trianglesFinding and removing triangles
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VectorisationVectorisation
The remaining forms: circles and arcsThe remaining forms: circles and arcs
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VectorisationVectorisation
The output vectorsThe output vectors
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StepsSteps
BinarizationBinarization VectorizationVectorization
pointspoints lineslines trianglestriangles rectanglesrectangles
Further developmentFurther development
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Further developmentFurther development
CirclesCircles PolylinesPolylines CurvesCurves
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