How to convert scanned images into vector-based feature layer

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What is ArcScan?
ArcScan provides tools that allow you to convert scanned images into vector-based feature layers. The process of converting raster data to vector features is known as vectorization. Vectorization can be performed manually by interactively tracing raster cells or automatically using the automatic mode.

The interactive vectorization experience, referred to as raster tracing, requires that you trace the raster cells in the map to create vector features. The automated vectorization experience, referred to as automatic vectorization, requires that you generate features for the entire raster based on settings that you specify.

Organizations that need to convert raster images into vector-based feature layers are the primary candidates for using the ArcScan extension. Since a large amount of geographic information still exists in the form of hard-copy maps, having a tool to integrate these documents into a GIS is crucial. These legacy documents can be derived from engineering, survey, and cartographic professionals. ArcScan provides an efficient way to streamline this integration when compared to traditional techniques, such as digitizing.

The ArcScan extension also provides tools that allow you to perform simple raster editing to prepare your raster layers for vectorization. This practice, known as raster preprocessing, can help you eliminate unwanted raster elements that are not in the scope of your vectorization projects.

1.Getting started with ArcScan
2.Interactive vectorization (raster tracing)
3.Automatic vectorization
4.Selecting raster cells
5.Cleaning up rasters before vectorization