The diagram shows some common circuit symbols. Figure caption, Some common circuit symbols. Cells and batteries. The symbol for a battery is made by joining two more symbols for a cell together.

This paper presents a method for segmentation and identification of annotations associated with electrical symbols in a circuit diagram, which may be used with the vectorizer to make it complete. The ...

To recognize symbols and topology, we use suitable geometric primitives, contours, and skeletons that can be detected in the image. The recognition method based on the structural patterns that can ...