# tf.keras.backend.image_data_format

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|---|---|
| [![](https://www.tensorflow.org/images/tf_logo_32px.png) TensorFlow 2 version](https://www.tensorflow.org/api_docs/python/tf/keras/backend/image_data_format) | [![](https://www.tensorflow.org/images/GitHub-Mark-32px.png) View source on GitHub](https://github.com/tensorflow/tensorflow/blob/v1.15.0/tensorflow/python/keras/backend_config.py#L95-L107) |

Returns the default image data format convention.

#### View aliases


**Compat aliases for migration**

See
[Migration guide](https://www.tensorflow.org/guide/migrate) for
more details.

[`tf.compat.v1.keras.backend.image_data_format`](https://www.tensorflow.org/api_docs/python/tf/keras/backend/image_data_format), \`tf.compat.v2.keras.backend.image_data_format\`

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    tf.keras.backend.image_data_format()

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| ## Returns ||
|---|---|
| A string, either `'channels_first'` or `'channels_last'` ||

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#### Example:

    keras.backend.image_data_format() >>> 'channels_first'