parameters: ()
return_statement: return _IMAGE_DATA_FORMAT
docstring: Returns the default image data format convention.
  
    Returns:
        A string, either `'channels_first'` or `'channels_last'`
  
    Example:
    ```python
        >>> keras.backend.image_data_format()
        'channels_first'
    ```
docstring_summary: Returns the default image data format convention.
docstring_tokens: Returns the default image data format convention .
function: def image_data_format():
    """Returns the default image data format convention.
  
    Returns:
        A string, either `'channels_first'` or `'channels_last'`
  
    Example:
    ```python
        >>> keras.backend.image_data_format()
        'channels_first'
    ```
    """
    return _IMAGE_DATA_FORMAT
function_tokens: def image_data_format ( ) : return _IMAGE_DATA_FORMAT