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OCR PreProcess


This plugin try to pre-process for the better OCR.


Author: Jerry Chae


Notification

Dependent modules

Warning

No potential damage to customer files and data (overwrite risk)

Helpful links to 3rd party contents

None

Need help?

Technical contact to tech@argos-labs.com


May you search all operations,




Input (Required)

Display Name

Input Method

Default Value

Description

Operation

choice

Extract Largest Rect

Operations of Process, one of {Extract Largest Rect, Auto Rotate}

Image

fileread


Image file to process

  • If message to translate is too big then use Text file

Input (Optional)

Display Name

Show Default

Input Method

Default Value

Description

Save Temp Images

False


False

If this flag is set then next 7 temporary image files are created for debugging purpose: .01-gray. 02-blurred. 03-white. 04-edged. 05-contours. 06-10large-countour. 07-receit-contour.

Target Image

Fase

filewrite


If this target file is not given, default result image file must be {finename}.result.{ext}, for example the result for 01.jpg is 01.result.jpg otherwise given result image file will be used.

Gray Result

False


False

When this flag is true result image changed into gray scale.

B/W Threshold

False


False

When this flag is true result image changed into Black/White scale. Note that this flag is valid only Gray Result is set.

B/W Blocksize

False

int

21

This is the block size of black/white threshold. This value is valid only B/W Threshold is set.

B/W Offset

False

int

5

This is the offset of black/white threshold. This value is valid only B/W Threshold is set.

Rot Fill Color

False


(255,255,255)

When image is automatically rotated by Auto Rotate operation filling area at the edge of image can happen and this area must be filled with specific color. Format is (R,G,B) each value has the value between 0 and 255. Default is white, (255,255,255).

  • If Show Default is True then this item is showed at the Properties otherwise hided at Advanced group

Return Value

Absolute result image file path

Return Code

Code

Meaning

0

Success

1

Invalid image file to process

2

Invalid operation

98

Parsing error for Parameters or Options

99

Else exceptional case



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