Preprocessor Options - Full-Text Search - English - Foundation 22.1 - OnBase - external

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OnBase
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Full-Text Search
Release
Foundation 22.1
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The Preprocessor Options allow you to modify the image file before it undergoes OCR processing.

Preprocessor Option

Description

No color conversion

Does not convert original colors. OCRing color images dramatically reduces the speed of the OCR engine.

This option does not modify the original image.

Convert color to grayscale

Converts color images to grayscale images (composed of discrete shades of gray).

This option does not modify the original image. The conversion is used only for the OCR process.

Convert all to bitonal

Converts images to bitonal images (images composed of a single background color and a single foreground color).

This option does not modify the original image. The conversion is used only for the OCR process.

Automatic inversion

Inverts the entire image if the OCR engine perceives it to be inverted (having a black background and white foreground). Black pixels are converted to white. White pixels are converted to black.

Never invert

The image is never inverted.

Always invert

The image is always inverted.

Automatically deskew

Deskews the image if the OCR engine perceives it to be skewed (placed at an angle).

Automatic rotation

Text orientation is automatically detected on the page and rotated to the correct, upright rotation.

Note:

If your solution is licensed for Advanced Capture, this setting is ignored when performing Point and Shoot Indexing. When performing Point and Shooting Indexing, the orientation of the page is always left as-is.

Never rotate

Text orientation remains as in the original document.

Note:

If your solution is licensed for Advanced Capture, this setting is ignored when performing Point and Shoot Indexing. When performing Point and Shooting Indexing, the orientation of the page is always left as-is.

Always rotate left 90 degrees

Rotates the text orientation 90 degrees to the left.

Note:

If your solution is licensed for Advanced Capture, this setting is ignored when performing Point and Shoot Indexing. When performing Point and Shooting Indexing, the orientation of the page is always left as-is.

Always rotate right 90 degrees

Rotates the text orientation 90 degrees to the right.

Note:

If your solution is licensed for Advanced Capture, this setting is ignored when performing Point and Shoot Indexing. When performing Point and Shooting Indexing, the orientation of the page is always left as-is.

Always rotate 180 degrees

Rotates the text orientation 180 degrees.

Note:

If your solution is licensed for Advanced Capture, this setting is ignored when performing Point and Shoot Indexing. When performing Point and Shooting Indexing, the orientation of the page is always left as-is.

Automatically despeckle

Automatically removes dots and speckles that commonly show up in faxed documents.

Automatically enhance resolution

Automatically adds pixels to enhance resolution if the OCR engine perceives it to be necessary.

Never enhance resolution

Pixels are never added to enhance resolution.

Always enhance resolution

Pixels are always added to enhance resolution.

Report per-page timing Statistics

Select this option to include detailed per-page OCR engine statistics in the Verification report.