keras-team/keras · error · NotImplementedError

`{fn_name}` currently supports only non-overlapping reconstr

Error message

`{fn_name}` currently supports only non-overlapping reconstruction (strides == size). Got strides={strides} and size={size}. Overlap-add reconstruction is planned for a follow-up.

What it means

Error "`{fn_name}` currently supports only non-overlapping reconstruction (strides == size). Got strides={strides} and size={size}. Overlap-add reconstruction is planned for a follow-up." thrown in keras-team/keras.

Source

Thrown at keras/src/ops/image.py:1193

            data_format,
        )
    return _reconstruct_patches_2d(
        patches,
        size,
        output_size,
        strides,
        padding,
        data_format,
    )


def _validate_reconstruct_strides(size, strides, fn_name):
    if strides is None:
        return tuple(size)
    if isinstance(strides, int):
        strides = (strides,) * len(size)
    if tuple(strides) != tuple(size):
        raise NotImplementedError(
            f"`{fn_name}` currently supports only non-overlapping "
            f"reconstruction (strides == size). Got strides={strides} "
            f"and size={size}. Overlap-add reconstruction is planned for "
            f"a follow-up."
        )
    return tuple(strides)


def _reconstruct_patches_2d(
    patches,
    size,
    output_size,
    strides=None,
    padding="valid",
    data_format=None,
):
    if isinstance(size, int):
        size = (size, size)

View on GitHub (pinned to 7a34a03db6)

When it happens

Trigger: Thrown at keras/src/ops/image.py:1193 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of keras-team/keras@7a34a03db6 (2026-08-25). Data as JSON: /api/errors/3632713431b2c7d7. Report an issue: GitHub.