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|---|
| [![](https://www.tensorflow.org/images/GitHub-Mark-32px.png) View source on GitHub](https://github.com/keras-team/keras/tree/v3.15.1/keras/src/backend/config.py#L141-L174) |

Set the value of the image data format convention.

#### View aliases


**Main aliases**

[`tf.keras.config.set_image_data_format`](https://www.tensorflow.org/api_docs/python/tf/keras/backend/set_image_data_format)

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    tf.keras.backend.set_image_data_format(
        data_format
    )

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| ## Args ||
|---|---|
| `data_format` | string. `'channels_first'` or `'channels_last'`. |

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#### Examples:

    keras.config.image_data_format()
    'channels_last'

    keras.config.set_image_data_format('channels_first')
    keras.config.image_data_format()
    'channels_first'

    # Set it back to `'channels_last'`
    keras.config.set_image_data_format('channels_last')