CCPD (Chinese City Parking Dataset) for "Research on license plate recognition based on graphically supervised signal-assisted training"

This is an archived version of the Chinese City Parking Dataset (CCPD) used for the study: "Research on license plate recognition based on graphically supervised signal-assisted training", published in PeerJ Computer Science. The original dataset is available at: https://github.com/detectRecog/CCPD This archive contains the CCPD2019 and CCPD2020 subsets, downloaded from the links provided in the original repository. This upload ensures the long-term availability and reproducibility of the data associated with our publication.