keras-team/keras · error · ValueError

Unknown resize method

Error message

Unknown resize method

What it means

Error "Unknown resize method" thrown in keras-team/keras.

Source

Thrown at keras/src/backend/numpy/ops/image.py:454

    )

    input_size_minus_0_5 = input_size - 0.5
    return np.where(
        np.logical_and(sample_f >= -0.5, sample_f <= input_size_minus_0_5)[
            np.newaxis, :
        ],
        weights,
        0,
    )


def _resize(image, shape, method, antialias):
    if method == "nearest":
        return _resize_nearest(image, shape)
    else:
        kernel = _kernels.get(method, None)
    if kernel is None:
        raise ValueError("Unknown resize method")

    spatial_dims = tuple(
        i for i in range(len(shape)) if image.shape[i] != shape[i]
    )
    scale = [
        shape[d] / image.shape[d] if image.shape[d] != 0 else 1.0
        for d in spatial_dims
    ]

    return _scale_and_translate(
        image,
        shape,
        spatial_dims,
        scale,
        [0.0] * len(spatial_dims),
        kernel,
        antialias,
    )

View on GitHub (pinned to 7a34a03db6)

When it happens

Trigger: Thrown at keras/src/backend/numpy/ops/image.py:454 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/7feac55d1173c11d. Report an issue: GitHub.