pyflink.multimodal.expression.ImageExpressionAccessor.rescale

ImageExpressionAccessor.rescale(*, scale: float, method: str = 'lanczos', concurrency: Optional[int] = None) → pyflink.table.expression.Expression

Scale image values by a ratio.

Equivalent to image_rescale(). See that function for full parameter details.

Parameters

• scale – Scale factor applied to both width and height.

• method – Resize interpolation method.

• concurrency – Optional execution concurrency for this operation. None uses the framework default.

Returns

A DataFrame expression that produces rescaled IMAGE values.