Dec 092017
 
PRO-CR performs Optical Character Recognition using a HP scanner, or any normal TIFF file.
File OCR200.ZIP from The Programmer’s Corner in
Category Printer + Display Graphics
PRO-CR performs Optical Character Recognition using a HP scanner, or any normal TIFF file.
File Name File Size Zip Size Zip Type
CONFIG.SAV 40 34 deflated
HELP1.DOC 2839 1237 deflated
HELP2.DOC 4148 1732 deflated
MANUAL.DOC 21998 7769 deflated
MSHERC.COM 6749 3656 deflated
OCR.EXE 91805 43382 deflated
README.DOC 10781 2480 deflated
SAMPLE.TIF 8824 7691 deflated

Download File OCR200.ZIP Here

Contents of the README.DOC file



PROFESSIONAL OPTICAL CHARACTER RECOGNITION - PRO-CR
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Copyright 1989, 1990, David P. Gray, Gray Design Associates
All Rights Reserved

Member, Association of Shareware Professionals




---------------------------[ REGISTRATION NOTICE ]---------------------------

PRO-CR is distributed as a shareware product. It retains all copyrights
for the author. Permission is granted for individuals and companies to
copy and use this software in order to try it out. If you find PRO-CR
useful, then please register your copy.

The shareware concept is meant to provide a full working copy to the user for
evaluation, try before you buy software. If you choose not to register then
erase or pass your copy onto someone else.

Please note that if you obtained your copy from a mail order distributor, the
fee paid goes entirely to the distributor and does not cover the cost of the
program itself.

You can register by sending $42.00 to David P. Gray, P.O. Box 333, Northboro,
MA 01532, U.S.A. Massachusetts residents please add 5% sales tax. For
registering you will receive the user-support telephone number together with
the latest registered version of PRO-CR.




----------------------------------[ LICENSE ]--------------------------------

PRO-CR software is the property of David P. Gray, Gray Design Associates.
You are granted a limited license to use this software for evaluation purposes.
If you wish to continue using PRO-CR after evaluation, you must register
your copy. PRO-CR may not be used on a continuous basis in any location
(home, business, school or governmental agency) without registering. Companies
wishing to use PRO-CR in multiple locations concurrently should refer to
site license information below.

Notice: PRO-CR may NOT be incorporated into any other program (i.e.
called from within any other program or batch file) and redistributed
without the express written permission from the author.




-------------------------------[ SITE LICENSE ]------------------------------

COMPANIES please note that only ONE USER at ONE LOCATION may use and operate
PRO-CR.

Additional computers, users and locations should be registered separately,
by volume, or by obtaining a site license.

DISCOUNT RATES are offered to companies registering for a site license or by
volume. Please write to Gray Design Associates, P.O. Box 333, Northboro,
MA 01532, USA for a rate schedule.




--------------------------[ DISTRIBUTION LICENSE ]---------------------------

This license allows you to make as many copies as you wish for distribution
(in its un-altered original form, including documentation) to others on the
same evaluation basis.

Specifically you may not sell or ask any consideration for PRO-CR. SIG's
and BBS's may ask a nominal fee (NOT EXCEEDING TEN DOLLARS) to cover their
copying and distribution costs. OEM's or publishers wishing to bundle
PRO-CR should contact David P. Gray, Gray Design Associates, P.O. Box 333,
Northboro, MA 01532, USA.




--------------------------[ DISCLAIMER OF WARRANTY ]-------------------------

This software and documentation are sold "AS IS" and without warranties as
to performance of merchantability or any other warranties whether expressed
or implied. Because of the various hardware and software environments
into which this program may be put, no warranty of fitness for a particular
purpose is offered.

Good data processing procedure dictates that any program be thoroughly
tested with non-critical data before relying on it. The user must assume
the entire risk of using the program. Any liability of the seller will be
limited exclusively to product replacement or refund of registration fee.




+----------------------------[ REGISTRATION FORM ]---------------------------+
| |
| |
| NAME ___________________________________________________________________ |
| |
| COMPANY ________________________________________________________________ |
| |
| STREET _________________________________________________________________ |
| |
| CITY,STATE __________________________________ ZIP ____________________ |
| |
| COUNTRY _____________________________________ |
| |
| TELEPHONE _(__________)_________________________________________________ |
| |
| |
| |
| |
| |
| |
| PRO-CR $ 42.00 U.S. DOLLARS |
| |
| TOUCH TYPE TUTOR $ 10.00 U.S. DOLLARS |
| |
| HUGO'S HOUSE OF HORRORS $ 20.00 U.S. DOLLARS |
| |
| Massachusetts residents |
| please add 5% sales tax $ U.S. DOLLARS |
| |
| T O T A L $___________ U.S. DOLLARS |
| |
| |
| |
| CANADIAN and AUSTRALIAN orders please send Postal Orders in US DOLLARS. |
| |
| |
| |
| PRO-CR 42.00 U.K. POUNDS |
| |
| TOUCH TYPE TUTOR 10.00 U.K. POUNDS |
| |
| HUGO'S HOUSE OF HORRORS 20.00 U.K. POUNDS |
| |
| T O T A L ___________ U.K. POUNDS |
| |
| |
| |
| |
| |
| To assist us in keeping the latest versions of our shareware programs in |
| circulation, please indicate where you obtained your shareware copy |
| |
| |
| COMPANY ________________________________________________________________ |
| |
| STREET _________________________________________________________________ |
| |
| CITY,STATE __________________________________ ZIP ____________________ |
| |
| COUNTRY _____________________________________ |
| |
| TELEPHONE (______)___________________________ BBS (______)____________ |
| |
| |
| |
| |
| MAIL TO David P. Gray |
| Gray Design Associates |
| P.O. Box 333 |
| Northboro, MA 01532 |
| U.S.A. |
| |
| |
| |
| |
+----------------------------------------------------------------------------+




------------------[ ASSOCIATION OF SHAREWARE PROFESSIONALS ]-----------------

This software is produced by David P. Gray who is a member of the Association
of Shareware Professionals (ASP). ASP wants to make sure that the shareware
principle works for you. If you are unable to resolve a shareware-related
problem with an ASP member by contacting the member directly, ASP may be able
to help.

The ASP Ombudsman can help you resolve a dispute or problem with an ASP member,
but does not provide technical support for members' products. Please write to
the ASP Ombudsman at P.O. Box 5786, Bellevue, WA 98006, USA or send a CompuServe
message via easyplex to ASP Ombudsman 70007,3536.




----------------------------[ END OF README.DOC ]----------------------------


Contents of the MANUAL.DOC file



PROFESSIONAL OPTICAL CHARACTER RECOGNITION - PRO-CR
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Copyright 1989, 1990, David P. Gray, Gray Design Associates
All Rights Reserved

Member, Association of Shareware Professionals




---------------------------[ REGISTRATION NOTICE ]---------------------------

PRO-CR is distributed as a shareware product. It retains all copyrights
for the author. Permission is granted for individuals and companies to
copy and use this software in order to try it out. If you find PRO-CR
useful, then please register your copy.

The shareware concept is meant to provide a full working copy to the user for
evaluation, try before you buy software. If you choose not to register then
erase or pass your copy onto someone else.

Please note that if you obtained your copy from a mail order distributor, the
fee paid goes entirely to the distributor and does not cover the cost of the
program itself.

You can register by sending $42.00 to David P. Gray, P.O. Box 333, Northboro,
MA 01532, U.S.A. Massachusetts residents please add 5% sales tax. For
registering you will receive the user-support telephone number together with
the latest registered version of PRO-CR.




----------------------------------[ LICENSE ]--------------------------------

PRO-CR software is the property of David P. Gray, Gray Design Associates.
You are granted a limited license to use this software for evaluation purposes.
If you wish to continue using PRO-CR after evaluation, you must register
your copy. PRO-CR may not be used on a continuous basis in any location
(home, business, school or governmental agency) without registering. Companies
wishing to use PRO-CR in multiple locations concurrently should refer to
site license information below.

Notice: PRO-CR may NOT be incorporated into any other program (i.e.
called from within any other program or batch file) and redistributed
without the express written permission from the author.




-------------------------------[ SITE LICENSE ]------------------------------

COMPANIES please note that only ONE USER at ONE LOCATION may use and operate
PRO-CR.

Additional computers, users and locations should be registered separately,
by volume, or by obtaining a site license.

DISCOUNT RATES are offered to companies registering for a site license or by
volume. Please write to Gray Design Associates, P.O. Box 333, Northboro,
MA 01532, USA for a rate schedule.




--------------------------[ DISTRIBUTION LICENSE ]---------------------------

This license allows you to make as many copies as you wish for distribution
(in its un-altered original form, including documentation) to others on the
same evaluation basis.

Specifically you may not sell or ask any consideration for PRO-CR. SIG's
and BBS's may ask a nominal fee (NOT EXCEEDING TEN DOLLARS) to cover their
copying and distribution costs. OEM's or publishers wishing to bundle
PRO-CR should contact David P. Gray, Gray Design Associates, P.O. Box 333,
Northboro, MA 01532, USA.




--------------------------[ DISCLAIMER OF WARRANTY ]-------------------------

This software and documentation are sold "AS IS" and without warranties as
to performance of merchantability or any other warranties whether expressed
or implied. Because of the various hardware and software environments
into which this program may be put, no warranty of fitness for a particular
purpose is offered.

Good data processing procedure dictates that any program be thoroughly
tested with non-critical data before relying on it. The user must assume
the entire risk of using the program. Any liability of the seller will be
limited exclusively to product replacement or refund of registration fee.




+----------------------------[ REGISTRATION FORM ]---------------------------+
| |
| |
| NAME ___________________________________________________________________ |
| |
| COMPANY ________________________________________________________________ |
| |
| STREET _________________________________________________________________ |
| |
| CITY,STATE __________________________________ ZIP ____________________ |
| |
| COUNTRY _____________________________________ |
| |
| TELEPHONE _(__________)_________________________________________________ |
| |
| |
| |
| |
| |
| |
| PRO-CR $ 42.00 U.S. DOLLARS |
| |
| TOUCH TYPE TUTOR $ 10.00 U.S. DOLLARS |
| |
| HUGO'S HOUSE OF HORRORS $ 20.00 U.S. DOLLARS |
| |
| Massachusetts residents |
| please add 5% sales tax $ U.S. DOLLARS |
| |
| T O T A L $___________ U.S. DOLLARS |
| |
| |
| |
| CANADIAN and AUSTRALIAN orders please send Postal Orders in US DOLLARS. |
| |
| |
| |
| PRO-CR 42.00 U.K. POUNDS |
| |
| TOUCH TYPE TUTOR 10.00 U.K. POUNDS |
| |
| HUGO'S HOUSE OF HORRORS 20.00 U.K. POUNDS |
| |
| T O T A L ___________ U.K. POUNDS |
| |
| |
| |
| |
| |
| To assist us in keeping the latest versions of our shareware programs in |
| circulation, please indicate where you obtained your shareware copy |
| |
| |
| COMPANY ________________________________________________________________ |
| |
| STREET _________________________________________________________________ |
| |
| CITY,STATE __________________________________ ZIP ____________________ |
| |
| COUNTRY _____________________________________ |
| |
| TELEPHONE (______)___________________________ BBS (______)____________ |
| |
| |
| |
| |
| MAIL TO David P. Gray |
| Gray Design Associates |
| P.O. Box 333 |
| Northboro, MA 01532 |
| U.S.A. |
| |
| |
| |
| |
+----------------------------------------------------------------------------+




------------------[ ASSOCIATION OF SHAREWARE PROFESSIONALS ]-----------------

This software is produced by David P. Gray who is a member of the Association
of Shareware Professionals (ASP). ASP wants to make sure that the shareware
principle works for you. If you are unable to resolve a shareware-related
problem with an ASP member by contacting the member directly, ASP may be able
to help.

The ASP Ombudsman can help you resolve a dispute or problem with an ASP member,
but does not provide technical support for members' products. Please write to
the ASP Ombudsman at P.O. Box 5786, Bellevue, WA 98006, USA or send a CompuServe
message via easyplex to ASP Ombudsman 70007,3536.




----------------------------[ END OF README.DOC ]----------------------------

PROFESSIONAL OPTICAL CHARACTER RECOGNITION - PRO-CR
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Copyright 1989, 1990, David P. Gray, Gray Design Associates
All Rights Reserved

Member, Association of Shareware Professionals




-------------------------------[ C O N T E N T S ]------------------------------


1. Specification
2. System Requirements
3. Files Distributed
4. Revision History
5. Future Versions

6. USER GUIDE
6.1 Start-Up Procedure
6.2 Using the Menus
6.3 Top Level Menu
6.4 Options Menu
6.5 Getting a Good Scan
6.6 The Sample Image
6.7 Error Messages

7. Virus Protection
8. Site Licenses
9. Comments to the Author
10. Association of Shareware Professionals
11. Miscellaneous




-----------------------------[ 1. SPECIFICATION ]------------------------------


* Reads 8 to 30 point mono and proportional fonts
* No font selection required
* Up to 260 words per minute
* Supports HP ScanJet directly
* Supports other scanners producing TIFF or PCX files
* Selectable resolution, including 200 (fax) and 300 dpi
* Preview and online-correction modes with graphics adapter
* Real-time viewing of text during processing
* Continuous scanning if auto document feeder attached
* Mis-recognitions flagged with selectable character
* Menu driven or non-interactive mode from DOS command line
* Callable from within other programs (Requires License)
* Virus protection




--------------------------[ 2. SYSTEM REQUIREMENTS ]---------------------------

PRO-CR performs Optical Character Recognition on an IBM PC or compatible.
The program will run on an XT or AT, however an AT is strongly recommended due
to the highly cpu-intensive nature of the program.

A graphics adapter is not required for basic character recognition, but is
needed for the preview and online-correction functions. If a graphics adapter
is used, it should be CGA, HERCULES, EGA or VGA. (Note for Hercules users:
a Microsoft Hercules driver is included. Run MSHERC.COM once before running
PRO-CR).

The minimum memory requirement is about 100Kb (512Kb is recommended), although
the program adapts itself to use as much conventional memory as available.
A temporary disk-file is used for virtual memory for images too large to fit
into memory in one go.




---------------------------[ 3. FILES DISTRIBUTED ]----------------------------

OCR.EXE : The PRO-CR program
README.DOC : Important information
HELP1.DOC : Text file used for online help
HELP2.DOC : Text file used for online help
MANUAL.DOC : This file
SAMPLE.TIF : Example TIFF file for processing
MSHERC.COM : Hercules driver




----------------------------[ 4. REVISION HISTORY ]----------------------------

1.0 05/16/89 : Baseline version.
1.01 05/18/89 : Fixed character editing in font edit
function, caused by bug in compiler's
loop optimizer.
1.02 05/31/89 : Don't reject TIFFs with no bits_per_
sample tag. Assume a value of 1.
1.03 06/19/89 : Don't reject TIFFs with no resolution
tags.
1.04 08/28/89 : Fixed bug in learn-mode.
1.05 11/29/89 : Fixed bug in Auto sheet feeder control.

2.00 04/30/90 : Removed font-dependence. Rewrote
recognition algorithms. Removed learn
and edit functions. Added preview and
online correction functions. Added
support for 200 dpi, compressed TIFFs
and PCX files. Added "unknown" char
feature. Installed virus protection.
Added DOS command line interface.




-----------------------------[ 5. FUTURE VERSIONS ]-----------------------------

Direct support of the Logitech SCANMAN is expected in the not too distant
future.




--------------------------[ 6. U S E R G U I D E ]--------------------------




--------------------------[ 6.1 START-UP PROCEDURE ]---------------------------

1. For the interactive Menu driven interface:
From the DOS prompt, type: ocr
(but see also the options below)

2. For the non-interactive DOS command line interface:
From the DOS prompt, type any of the following options:
ocr -exec -in=IN -out=OUT -unk=X -dpi=NNN -mode=M

Note that all the above options (apart from -exec and -mode) are available
when starting up in method 1. above. The -exec option is the one that
determines whether PRO-CR starts up in the menu or non-interactive mode.
None of the options are mandatory.


IN.................is the name of the image source to be processed. This may
be a file name, e.g. image.tif or fred.pcx which is the file name produced by
your scanner software. Note that both compressed and uncompressed TIFF files
are supported. The TIFF compression methods supported are types 2 and 3 (CCITT
group 3 FAX) and 32773 (Macintosh PACKBITS). Alternatively, enter the word
SCANNER to process directly from your scanner. For HP ScanJet owners with the
automatic document feeder, enter AUTO to process directly using the feeder.
The scan will continue until the auto sheet feeder runs out of material to scan.

OUT................is the name of the file to write the processed ascii text to.
If this file does not exist, it will be created. If this file does exist, text
will be appended to it so that you may scan several times to the same file.

X..................is the character to use if a mis-recognition occurs. A
suitable character would be a "*" or a "~". Not all mis-recognitions can be
flagged in this way, there will always be a certain number where PRO-CR
believes it has correctly identified the character.

NNN................is the resolution to use when scanning directly from your
scanner or when processing from a PCX image file. (The PCX format does not
provide useable resolution information). The resolution is entered in units
of dots per inch. The range is 100 to 400, but see section 6.4 for help on
choosing the correct dpi.

M..................is the graphics mode number to specify. PRO-CR inspects
your graphics adapter and selects a suitable graphics mode to operate the
preview and online correction modes. In general it chooses the mode with the
highest number of colors that has at least 640 pixels horizontally. You may
force it to choose another mode by using the -mode option. The IBM graphics
modes are:

_TEXTBW40 0 /* 40-column text, 16 grey */
_TEXTC40 1 /* 40-column text, 16/8 color */
_TEXTBW80 2 /* 80-column text, 16 grey */
_TEXTC80 3 /* 80-column text, 16/8 color */
_MRES4COLOR 4 /* 320 x 200, 4 color */
_MRESNOCOLOR 5 /* 320 x 200, 4 grey */
_HRESBW 6 /* 640 x 200, BW */
_TEXTMONO 7 /* 80-column text, BW */
_HERCMONO 8 /* 720 x 348, BW for HGC */
_MRES16COLOR 13 /* 320 x 200, 16 color */
_HRES16COLOR 14 /* 640 x 200, 16 color */
_ERESNOCOLOR 15 /* 640 x 350, BW */
_ERESCOLOR 16 /* 640 x 350, 4 or 16 color */
_VRES2COLOR 17 /* 640 x 480, BW */
_VRES16COLOR 18 /* 640 x 480, 16 color */
_MRES256COLOR 19 /* 320 x 200, 256 color */
_ORESCOLOR 64 /* 640 x 400, 1 of 16 colors (Olivetti) */

Note that only modes with 80 column text or at least 640 pixels horizont-
ally produce a readable display.

Hercules users (mode 8) may need to run the supplied driver MSHERC.COM
once before running PRO-CR.

Notice: PRO-CR may NOT be incorporated into any other program (i.e.
called from within any other program or batch file) and redistributed
without the express written permission from the author.




---------------------------[ 6.2 USING THE MENUS ]----------------------------

The following paragraphs show how to navigate PRO-CR's menus and read the
status line at the bottom of the display.


THE MENU BARS......Use the arrow keys to select the required option from the
menu bar and hit return when the option is highlighted. Alternatively, hit the
highlighted key in the required option to directly select that option.


THE STATUS LINE....The line of text on the last line of the screen shows you
what parameters you have selected in the options menu and also gives an
indication of the percentage completion of the current scan. It looks like
this:

0% input_file->output_file dpi=200 SCANJET

indicates that you may hit the Escape key during processing
to abort the recognition phase.

The next two fields "input_file->output_file" indicate both the source of
the image to be processed (either from an image file or "SCANNER" if from
a direct scan) and the output text file to receive the processed ascii
text.

Next is the resolution in dots per inch. This must be set if scanning
directly or reading from a PCX file.

Next is a block of 3 parameters inside angle brackets . The "P", if
present, indicates that the image "preview" function is active. The "C",
if present, indicates that the online correction function is active. The
final character is the "unknown character", i.e. the character to output
if a mis-recognition occurs. See the help text for the options menu for
details of these functions.

Finally, the last field indicates the selected scanner type.




----------------------------[ 6.3 TOP LEVEL MENU ]-----------------------------

Top level menu options:

Select "Start" to start the recognition process.

Select "Auto" to start recognition using the auto sheet feeder.
(Note: this option only appears if you are scanning directly and you have the
HP ScanJet auto sheet feeder attached)

Select "Options" to setup parameters for the recognition process.
Options that you need to set up are:
- the source of the image to be processed, either a file or the scanner
- the resolution of the image in dots per inch (dpi)

Note that the dpi may be automatically available if you are processing a TIFF
file since the majority of TIFF software includes this. (A warning is given
for TIFF files that do not provide this). Otherwise, if you are scanning
directly or reading a PCX file, then you need to set the dpi correctly.
PRO-CR has been optimized for the range 200 to 300 dots per inch.




-----------------------------[ 6.4 OPTIONS MENU ]------------------------------

Select from the following options:


INPUT..............Enter the source of the image to be processed. This may
be either directly from your scanner (if it is one of the supported types)
or an intermediate image file produced by your scanner software. To select
direct scanning, enter the word "SCANNER" here. To select a file, enter the
name of the image file produced by your scanner software. Currently
supported types are TIFF (both compressed and uncompressed) and PCX
(PC Paintbrush) files. Be sure to include the extension in the file name
(i.e. .TIF or .PCX) so that PRO-CR can determine the file type. For the
case of PCX files, it is necessary for you to set the resolution that the
image was scanned at (since the majority of PCX producing software does not
include this in the file). Use the "dpi" option to set this.


OUTPUT.............Enter the name of the file you wish PRO-CR to write the
ascii text into. Note that PRO-CR will create the specified file if it does
not already exist, and will append text to the specified file if it does exist.


DPI................Enter the resolution in dots per inch. There are 2 cases
when this is important. (1) When you are scanning directly. This tells the
scanner what resolution to scan at. (2) When you are processing an image file
and the file does not contain the image resolution. This is always true of
PCX files and is sometimes true of naughty TIFF files. (It is rare for TIFF
software to omit the resolution and you may assume it is present unless
PRO-CR warns you otherwise. Never assume a PCX file contains the image
resolution though !).

Knowing how to set the right dpi for DIRECT SCANNING:
PRO-CR has been written to run best at 200 to 300 dpi. 200 dpi
covers the fax standard and most hand scanners. (Some popular hand
scanners claim 300 and 400 dpi modes, however many simply duplicate
pixels to match printer resolutions and therefore add no more information
to the scan for OCR purposes). For reasonably sized text 200 dpi should
be adequate, but if the text is tightly spaced (runs together) then 300
dpi should help. PRO-CR allows a range of 100 to 400 dpi for
experimentation purposes. In general, try 200 dpi first and then 300.


UNKNOWN CHAR.......Enter the character you wish to be embedded in the output
text to flag characters that could not be recognized. This is useful if you
use an editor after the recognition phase to correct mis-recognitions. It
allows you to search for this character to speed up the correction phase.
Use of a spelling checker should also prove helpful.


PREVIEW............This function is active if a check mark appears next to it
in the menu. The function is toggled on and off by repeatedly selecting it.
When active, as much of the image as can fit on the screen is displayed prior
to being processed. This is useful to examine the quality of the scan, for
skewed paper, lack of contrast, suitable resolution etc. This function is
only available for users with a suitable graphics adapter.


CORRECT...........This function is active if a check mark appears next to it
in the menu. The function is toggled on and off by repeatedly selecting it.
When active, you will be allowed to correct mis-recognitions online during the
OCR processing phase. You will be prompted for the correct character(s) when
a mis-recognition occurs. At the lower right hand side of the screen an image
of the mis-recognized character(s) will appear for you to correct. If you are
unable to recognize the text, hit return and the text will be replaced by the
"unknown" character mentioned above. You may also hit Escape to abort the
processing. This function is only available to users with a suitable graphics
adapter.

SCANNER TYPE......Select your scanner type from the list. At the time of
writing, only the HP ScanJet is directly supported, however I have had a large
number of requests for the Logitech SCANMAN and plan to support this.




--------------------------[ 6.5 GETTING A GOOD SCAN ]--------------------------

To get the best scan, several factors must be taken into account.

1. Make sure the text is scanned in a straight line. This is especially
crucial for users of hand scanners. The lines of text should appear as
horizontal and level as possible when previewed. If lines are skewed, or
rotated, not only is the recognition accuracy impaired but it may cause
PRO-CR to mistakenly run lines together. This is not so much a problem
for flat bed scanners since they have guides for inserting the paper. Even
so, some printers may print sloping lines which are not perpendicular to
the sides of the paper. Hand scanners have the additional problem of
matching up "strips" when scanning in several passes. I would suggest that
1 strip at a time be processed in this case.

2. Make sure the scanner's contrast is set to a suitable value. This is not a
problem for the HP ScanJet which has an auto-contrast feature. With other
scanners, preview the image and look for broken or faded characters or
extraneous "noise" as a result of poor contrast. Best results are obtained
when the background is clear and the characters appear sharp.

3. Select a suitable dpi. Use preview to inspect the image. If possible,
select a dpi which causes the characters to appear separate. If too many
characters run together, the recognition accuracy will be impaired. If you
cannot separate the characters using a higher dpi (inspection of the
original copy will show that the characters are indeed joined together)
then select the online-correction mode and you will be prompted to enter
the unrecognized portion of each scanned line during the recognition phase.
If you do not select the online correction mode then PRO-CR will
attempt to separate characters that are joined together up to a maximum of 3.
For mono-spaced fonts this strategy works pretty well, but for proportional
fonts results are less desirable. Note that for some near letter quality
dot matrix fonts, lowering the dpi will actually improve results. The
reason is that the dots making up the characters will appear to join up and
become united. PRO-CR cannot read draft dot matrix fonts since the
dots making up the characters are disjointed. For the same reason,
PRO-CR will not read characters that appear broken. Broken characters
lose their essential features which PRO-CR relies upon for recognition.




---------------------------[ 6.6 THE SAMPLE IMAGE ]----------------------------

A sample image is supplied with which you can experiment with PRO-CR's features.
The image is in the file SAMPLE.TIF and is in compressed TIFF format. Make sure
the status line shows sample.tif as the image source. Select the online
correction feature and process the image. Notice that the "mm" in the word
"common" and "qu" from the word "quality" are presented for correction. This is
because these characters are joined together and cause a mis-recognition. After
the scan, deselect the online correction feature and reprocess the image.
Notice that PRO-CR successfully separates the "mm" by itself but fails with
the "qu", only recognizing the "q" correctly.




-----------------------------[ 6.7 ERROR MESSAGES ]----------------------------

The following error codes may be seen, to do with TIFF files.

1 : Could not find the input file.
2 : Non-Intel byte order. The TIFF file is possibly a Mac file.
3 : Wrong value for bits_per_sample tag.
4 : Unsupported Compressed TIFF file.
5 : Wrong value for photometric_interpretation tag.
6 : Wrong value for fill_order tag.
7 : Wrong picture orientation.
8 : Wrong value for samples_per_pixel tag.
9 : Wrong value for minimum_sample tag.
10 : Wrong value for maximum_sample tag.
11 : Wrong value for planar_configuration tag.
12 : Missing bits_per_sample tag.
13 : Missing image_width tag.
14 : Missing image_length tag.
15 : Missing image_pointer tag.
16 : Missing X_resolution tag.
17 : Missing Y_resolution tag.

In addition, there are several self explanatory warnings and other
error messages.




----------------------------[ 7. VIRUS PROTECTION ]----------------------------

PRO-CR provides a measure of protection for itself against virus infection
and accidental corruption during downloads from bulletin boards. Note that
no program can provide total protection by itself and this program makes no
guarantee of 100% protection from virus. Users should be aware that any
program's self protection scheme can be defeated given sufficient time and
motivation.



------------------------------[ 8. SITE LICENSE ]------------------------------

COMPANIES please note that only ONE USER at ONE LOCATION may use and operate
PRO-CR.

Additional computers, users and locations should be registered separately,
by volume, or by obtaining a site license.

DISCOUNT RATES are offered to companies registering for a site license or by
volume. Please write to Gray Design Associates, P.O. Box 333, Northboro,
MA 01532, USA for a rate schedule.




------------------------[ 9. COMMENTS TO THE AUTHOR ]--------------------------

Any feedback would be greatly appreciated. Please direct any comments to the
author personally via mail to David P. Gray, Gray Design Associates,
P.O. Box 333, Northboro, MA 01532, USA.




-----------------[ 10. ASSOCIATION OF SHAREWARE PROFESSIONALS ]----------------

This software is produced by David P. Gray who is a member of the Association
of Shareware Professionals (ASP). ASP wants to make sure that the shareware
principle works for you. If you are unable to resolve a shareware-related
problem with an ASP member by contacting the member directly, ASP may be able
to help.

The ASP Ombudsman can help you resolve a dispute or problem with an ASP member,
but does not provide technical support for members' products. Please write to
the ASP Ombudsman at P.O. Box 5786, Bellevue, WA 98006, USA or send a CompuServe
message via easyplex to ASP Ombudsman 70007,3536.




-----------------------------[ 11. MISCELLANEOUS ]-----------------------------

PRO-CR is written entirely using Microsoft QuickC version 2 and consists
of 4600 lines of C code.



HP and ScanJet are registered trade marks of Hewlett Packard.
ScanMan is a registered trade mark of Logitech inc.




----------------------------[ END OF MANUAL.DOC ]-------------------------------


 December 9, 2017  Add comments

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