IRIS READIRIS 12 PRO Manuale utente

Readiris 12 Pro

Getting Started

Getting Started Getting Started

Getting Started

Getting Started Getting Started

Getting Started

This guide will help you through the basics of how to use Readiris 12 Pro and utilize most of its features so

that you will be able to OCR documents quickly, easily, and successfully. For first time users the program

may appear complicated because of all the toolbar buttons in the program. They are there to cope with spe-

cific issues you may find with your document. At the beginning you can ignore many of them until you en-

counter a situation where they may be needed. As a result we will not cover every option available in the pro-

gram since the user manual already does that.

The program can accept images from a scanner, digital camera or pre-scanned image or PDF file.

To setup your scanner go to the

Readiris menu and choose Prefer-

ences and select your scanner from

the list.

Make sure that you have the latest

update from your Scanner Manufac-

turer.

Readiris 12 Pro supports twain

based scanners. You can find the

drivers in the following location on

your hard drive:

Hard Drive/Library/Image Capture/

Twain Data Sources

In most cases you will need to run Readiris in 32 bit

mode since most scanner drivers are not 64 bit com-

patible. Go to the Readiris application and get info to

make that change.

Highlight the Readiris.app and click on the gear icon to

access the get info option.

Set the everyone permissions to

Read/Write

Mac OS X v10.6 Snow Leopard includes drivers for many older printer and scanner

models built right into the operating system. These can be used by checking

the “enable image capture “ option.

More information can be found here; http://support.apple.com/kb/HT3669

Zones and options

Readiris is a conversion tool to that transforms scans, images or PDF files into text based files. There is no

editing done within the program. That will be done in the output application. When a document is scanned or

opened within Readiris it places labeled overlays called zones on the picture. These will be marked with these

icons which identify how those areas are going to be converted. To change these Control Click on them to

choose a different treatment or use the Select Zones tool to draw your own.

If those icons do not show up on your document then the Page Analysis was not turned on in the Options

button prior to the scan. You can do so after the fact by going to Process > Analyze Page.

Text

Graphic

Table

Barcode

Hand Printed

- Straightens crooked or skewed pages.

- Automatically rotates the page to face right side up.

- Analyzes image based on content

- Removes stray marks or speckles.

Below is a summary of the main program window with the numbered & labeled

zones shown on the input image. Realize that these zones can be changed if they

are not suitable for your purpose.

Beneath the language selection on the left is the output format selection. Clicking on

the Format dropdown reveals numerous other choices. To openthe output directly in

the application of your choice click on choose and navigate to the program in Appli-

cations.

Output Format

Now it is time to set where the output is going by clicking on the bottom left button or Set-

tings > Text Format. This brings up the Text Format dialogue. The choices are :

HTML - Used for Excel or Web pages

ODT - Open Document Format used with Open Office Word Processor

DOCX - Used with Word 2008

XLXS - Used with Excel 2008

PDF - Adobe Acrobat most often you will use the Image - Text option

RTF - Rich text format used for Word, Pages or Open Office, cross platform

Unicode - Straight text

Different options will appear with these selections. Pictured below left is the RTF which is

the most commonly used. The next decision to make is in Layout which deals with the formatting of the output

document. For the closest replication you would select Recreate source document and the sub options;Use

columns instead of frames and Insert column breaks. There are occasions where such formatting is un-

needed so the Create body text or Retain word and paragraph formatting are other options.

The merge lines is checked by default but may be turned off if you are dealing with sentence fragments such

as found in poetry or song lyrics.

Page Sizes allows you to include or exclude output page dimensions.

We want Readiris to allow us to specify a file name and where to save it so the Ask file name and location

option should be checked. The Send to allows you to select which application you want the results sent to. If

it’s not in the list click on Choose to navigate to it in your Applications folder on your Mac and select the pre-

ferred application. Of course that application has to be able to work with the selected format.

Click OK and these options are now set. These can be saved as the default or a reusable profile by going to

the Settings menu and choosing Save as default or Save.

Image Quality

Another aspect to consider is Readiris can only convert images that are correctly oriented. It will not work if

they are sideways or upside down. If you find this happens use the rotate tool to turn the image or click the

Settings and select Detect page orientation prior to the scan and the program will do it for you.

Since Readiris works by comparing images of letters to known letter shapes and making the conversion. It

depends on crisp clean letter shapes to do this. If the image is to light or dark then the results suffer. Below

are actual results from the program and the images it was working with.

"Autoformatting" recreates a facsimile copy of the original document: the text blocks, graphics and tables are

recreated in the same place and the word and paragraph formatting are maintained across the recognition.

"Autoformatting" recreates a

f(ICsimile cop."

of the original document: the te:\t blocks. graphics and tables arc

recreated in the same place and the word and paragraph formatting are maintained across the recognition.

Autoformtlftina"

recreates

ltalmo.

copy

of the

arigiDal

docummt:

the tat

b1ocb, pIphics and tables

Il'e

recnatecl in

the IIIIIle

pl8ce

8Dd the

word

8Dd

paraanph

farmtlfti"l

Il'e

maintJtinM

ICI'OIIthe recopition.

The way to cope with the situation is to scan or rescan the document in grayscale. This will allow you to adjust

the image within Readiris to either lighten or darken as needed. See the next page for an explanation of this

process.

This is the ideal image to work with as

seen from the perfect results.

This image is too light. The letter shapes

begin to have gaps and incomplete

shapes. Since this is not to extreme

there is about 75% accuracy. There

would be a lot of needless clean up to

deal with in the output document.

This is too dark. Here the letter shapes

begin to fill in and become fuzzy. Letters

like a, e, and o’s are almost completely

obscured.

Accuracy is reduced to about 20% which

is not usable.

Image Adjustment

After scanning you can adjust the brightness and contrast to compensate for quality problems on the origi-

nal scan.

Go to the View menu and uncheck Image in Color. Return to View > Image Size and

select Actual Size. This will zoom in on the document so that you can see the character

shapes clearly.

Go to the Process Menu > Adjust Image to bring up the adjustment dialog pic-

tured below.

The three controls let you brighten, adjust contrast and remove stray marks or specks. The idea is to adjust

the slider and click on Apply to see the affect that is has on the quality of the text. When satisfied click on

OK to save the changes. These changes apply only to the selected page.

If this needs to be done across a range of pages you may want to consider pre-processing them in an im-

age editor.

Processing

Once the document is scanned in or opened in the software the Recognize + Save button becomes available.

The software can handle multiple pages to output to a single file. As more documents

are added you will see thumbnails begin to line up on the fly out panel on the right.

The term recognize is both the action to process the document and a description of what is taking place. The

software looks at each character (letter, number or barcode) that appears in the image and compares it to a

known character shape and makes the conversion based on that.

The program will process the image and prompt you to select a file name and file save location. It will then

open the document in the program that was selected on the previous page. At this point the document has

been converted to text so that the desired edits can be made.

Limitations

Readiris is a very good tool for converting scanned or pre-scanned images, including Adobe Acrobat PDF

files into real text documents. However it cannot perform miracles. There are some kinds of documents it will

have trouble working with. While Readiris Pro 12 is greatly improved over previous versions it will have trou-

ble with forms.

A form typically has lines, boxes, check boxes and the like and is intended to be filled out on screen. Readiris

is intended to convert pictures of letters and numbers to actual text and numbers. Lines and boxes are usually

graphical elements or table borders that require more advanced features of the word processor.

Below is a IRS 1040 form that Readiris has no hope of replicating. In fact if you tried to create this from

scratch in Microsoft Word it would be a long complex task. That is the rule of thumb for these kinds of docu-

ments. If they cannot be created in the word processor without extraordinary effort then Readiris will have the

same difficulty.

The form on the right would be processed and outputted into the word processor in reasonable shape. There

would be additional work entailed to get it into its final form. From that point it could be saved as a template

for reuse.

If this is your primary purpose then a dedicated forms software may be more appropriate. On the Mac, the full

version of Adobe Acrobat is usually the best option.

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