When do width and height multipliers make OCR extraction more effective?

Setting the width and height multipliers to two or three enhances the effectiveness of Optical Character Recognition (OCR) extraction because this adjustment allows the OCR engine to process the text at a larger scale. Increasing the multipliers generally improves the resolution of the area being analyzed, leading to better clarity and accuracy in recognizing characters and words.

When the dimensions are multiplied, it gives the OCR system a better chance of capturing fine details in the text, which can be especially beneficial for documents with smaller fonts or complex layouts. This approach helps in mitigating common OCR challenges such as font variations, text density, and background interference, ultimately resulting in higher quality extracted data.

Using the highest possible values might lead to diminishing returns or excessive processing time without proportional improvements in accuracy. Setting them to one does not provide the enlargement needed for optimal OCR performance, and the same applies to the choice suggesting none of the values would work. Therefore, the setting of two or three strikes an ideal balance between enhancing extraction quality and maintaining processing efficiency.