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12.38 emacspeak-ocr Options
Commentary:
This module defines Emacspeak front-end to OCR.
This module assumes that sane is installed and working
for image acquisition,
and that there is an OCR engine that can take acquired
images and produce text.
Prerequisites:
Sane installed and working.
scanimage to generate tiff files from scanner.
tiffcp to compress the tiff file.
working ocr executable
by default this module assumes that the OCR executable
is named "ocr"
Automatically generated documentation
for options defined in module emacspeak-ocr.
These options are customizable via Emacs' Custom interface.
— Variable:
User Option emacspeak-ocr-compress-image
Command used to compress the scanned tiff file.
— Variable:
User Option emacspeak-ocr-compress-image-options
Options used for compressing tiff image.
— Variable:
User Option emacspeak-ocr-compress-photo-options
Options used when created JPEG from scanned photographs.
— Variable:
User Option emacspeak-ocr-engine
OCR engine to process acquired image.
— Variable:
User Option emacspeak-ocr-engine-options
Command line options to pass to OCR engine.
— Variable:
User Option emacspeak-ocr-image-extension
Filename extension used for acquired image.
— Variable:
User Option emacspeak-ocr-jpeg-metadata-writer
Program to add metadata to JPEG files.
— Variable:
User Option emacspeak-ocr-keep-uncompressed-image
If set to T, uncompressed image is not removed.
— Variable:
User Option emacspeak-ocr-photo-compress
Program to create JPEG compressed images.
— Variable:
User Option emacspeak-ocr-scan-image
Name of image acquisition program.
— Variable:
User Option emacspeak-ocr-scan-image-options
Command line options to pass to image acquisition program.
— Variable:
User Option emacspeak-ocr-scan-photo-options
Options used when scanning in photographs.
— Variable:
User Option emacspeak-ocr-working-directory
Directory where images and OCR results
will be placed.