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PREPARING_THE_DATA.md

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Preparing the Data - Data Formatting for Custom Objects

You can skip the steps below by downloading the annotated dataset from this link.

There should be a text file for every JPEG image file describing the positions of the potholes in the specified image. The text file should have the same name and be in the same directory as the image file. What should be included in the text file:

<object-class> <x_center> <y_center> <width> <height>

Where:

  • <object-class> - integer object number from 0 to (classes-1)
  • <x_center> <y_center> <width> <height> - float values relative to width and height of image, it can be equal from (0.0 to 1.0]
  • for example: <x> = <absolute_x> / <image_width> or <height> = <absolute_height> / <image_height>
  • attention: <x_center> <y_center> - are center of rectangle (are not top-left corner)

For example for img1.jpg you will be creating img1.txt containing:

1 0.716797 0.395833 0.216406 0.147222
0 0.687109 0.379167 0.255469 0.158333
1 0.420312 0.395833 0.140625 0.166667

The above information is obtained from this source.

Note: <object-class> should always be 0 in our case since we are only detecting a single Pothole class

Next Step: > Running the Project