WhiteBlackReader¶

class WhiteBlackReader(reader: BaseTextReader)[source]¶

Bases: BaseTextReader

Convert images to grayscale before OCR processing.

read_image(image: ndarray) → list[TextData][source]¶

Read text data from a grayscale version of the image.

Parameters:: image (numpy.ndarray) – Image data to process.
Returns:: Detected text data.
Return type:: list[TextData]