urbanlc.model.pipeline_transforms.compute_NDBI#

urbanlc.model.pipeline_transforms.compute_NDBI(img: ndarray, index_swir: int, index_nir: int) → ndarray#

Compute the Normalized Difference Built-Up Index (NDBI).

Parameters:

  • img (np.ndarray) – Landsat image.

  • index_swir (int) – Index of the Shortwave Infrared (SWIR) band in the image.

  • index_nir (int) – Index of the Near-Infrared (NIR) band in the image.

Returns:

NDBI computed from the input image.

Return type:

np.ndarray