CGHD This dataset contains images of hand-drawn electrical circuit diagrams as well as accompanying annotation and segmentation ground-truth files. It is intended to train (e.g. ANN) models for extracting electrical graphs from raster graphics. Content 2.208 Raw Images 23 Drafters 12 Circuits per Drafter 2 Drawings per Circuit 4 Photos per Drawing 185.815 Bounding Box Annotations 17.233 Rotation Annotations 38.910 Text String Annotations 246 Binary Segmentation Maps Strokes vs. Background Accompanying Polygon Annotation Files 18.344 Polygon Annotations 58 Object Classes Scripts for Data Loading, Statistics, Consistency Check and Training Preparation

Added first version of text string annotations, corrected and added rotation annotation.