I used the source code (

Another option is to upload the images to Roboflow, use Modify Classes to generate a version of the dataset with the class names you desire, and continue your project from there, or export the Modified Classes dataset version to a new project and continue with the permanent "new" label names from there.

Additionally, I highly recommend continuing to label new projects on Roboflow, as we have the ability to ingest and convert datasets with annotations in 26 different formats: https://roboflow.com/formats

• Converting Annotation Formats (Roboflow Blog)