Labeling the images

This chapter uses labelImg to perform data labeling for object detection tasks. This tool requires installation on the local computer. Therefore, if you downloaded your images using Google Colab to your Google Drive, you need to map or download these images to a local computer to perform labeling. Run the following snippet in a terminal on a local computer to install labelImg using Python 3 (if you are running Python 2, please refer to the labelImg website for a guide):

pip3 install labelImg

After installing, run the following snippet to start the tool, where [IMAGE_PATH] is an optional argument to specify the path to the image folder, and [PRE-DEFINED CLASS FILE] is another optional argument to indicate the path to a text file (*.txt) that defines a list of class labels (one per line):

labelImg [IMAGE_PATH] [PRE-DEFINED CLASS FILE]

For instance, after downloading/synchronizing the simple_images folder for the downloaded images in the previous steps...