keras-team/keras · error · ValueError

target_width must be >= 0. Received: target_width={target_wi

Error message

target_width must be >= 0. Received: target_width={target_width}

What it means

Error "target_width must be >= 0. Received: target_width={target_width}" thrown in keras-team/keras.

Source

Thrown at keras/src/ops/image.py:1711

        if width is not None:
            left_padding = self.left_padding
            right_padding = self.right_padding
            if left_padding is None:
                left_padding = target_width - width - right_padding
            if right_padding is None:
                right_padding = target_width - width - left_padding
            if left_padding < 0:
                raise ValueError(
                    "left_padding must be >= 0. "
                    f"Received: left_padding={left_padding}"
                )
            if right_padding < 0:
                raise ValueError(
                    "right_padding must be >= 0. "
                    f"Received: right_padding={right_padding}"
                )
            if target_width < 0:
                raise ValueError(
                    "target_width must be >= 0. "
                    f"Received: target_width={target_width}"
                )

        images_shape[height_axis] = target_height
        images_shape[width_axis] = target_width
        return KerasTensor(shape=images_shape, dtype=images.dtype)


@keras_export("keras.ops.image.pad_images")
def pad_images(
    images,
    top_padding=None,
    left_padding=None,
    bottom_padding=None,
    right_padding=None,
    target_height=None,
    target_width=None,

View on GitHub (pinned to 7a34a03db6)

When it happens

Trigger: Thrown at keras/src/ops/image.py:1711 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/9cb486efedb29842. Report an issue: GitHub.