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How to Improve Performance 25

Chapter 4

How to Improve

Performance

You can make Direct run faster and recognize text more accurately by
learning how to use a few different settings.

•

Speed up Direct by deselecting

Auto Intensity

and by manually

adjusting other options instead of using the default Auto settings.

•

Improve text-recognition accuracy by using the Character Win-
dow (described later in this chapter) to adjust the Brightness set-
ting and by taking into account scanning angle and paper
transparency.

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Содержание OmniPage Direct

Страница 1: ... is as easy as pulling down the Apple menu and choosing Direct The Scan text dialog box lets you scan immediately or set options for special features such as recognizing parts of a page or different languages This tutorial guides you through the simplest scan and also explains how to use the Partial Page features Chapter 3 Commands and Settings p 15 This chapter explains every command and setting ...

Страница 2: ...ration 100 Cooper Court Los Gatos California 95030 Caere GmbH Ismaninger Strasse 17 19 81675 Munich Germany Fax 49 89 41 30 06 23 OmniPage Direct 2 0 Macintosh Version Copyright 1992 1995 Caere Corporation All rights reserved CAERE OmniPage OmniPage Direct and Transitional Editor are trademarks of Caere Corporation Many of the designations used by manufacturers and sellers to distinguish their pro...

Страница 3: ...apter 1 Installation This chapter describes how to install Direct The chapter has five sections System Requirements What s in the Package Installing the Software Selecting Your Scanner Upgrading to OmniPage Professional ...

Страница 4: ...oftware supplied by your scanner manufacturer to be sure the scanner is working on your system before you install Direct What s in the Package Check the Direct package to be sure it contains the following items Direct Release Notes Warranty Registration Card One or more 1 44MB 3 5 program disks If any of the above items are missing contact your dealer for replacement For convenience jot down your ...

Страница 5: ...extensions to support one type of scanner For example if you select Ricoh Chooser extensions required by supported Ricoh scanners will be installed Custom Installation lets you install Chooser extensions to support as many scanners as you want Your scanner and the driver supplied by its manufacturer if any must be installed on your system according to the manufacturer s instructions After installa...

Страница 6: ...6 Insert the other installation disks when you are requested to do so Direct notifies you when installation is complete 7 After installation OmniPage Direct will appear in the Apple menu Custom Installation It is recommended that you install all files using the Easy Installation method However if you are an advanced user you can click the Customize button in the Easy Install window and select whic...

Страница 7: ...quired extension in the Chooser An error message appears if you try to scan a page before selecting it in the Chooser To select a scanner for Direct 1 Choose Chooser in the Apple menu The Chooser appears icons for each installed scanner extension are displayed 2 Click the icon of the extension that your scanner requires Some extensions such as Apple Scan support multiple scanners select your scann...

Страница 8: ...ted by this version of Direct are not yet included with OmniPage Professional Your Chooser Extension is already installed on your system When you subsequently install OmniPage Professional a scanner installation dialog will appear if your scanner is not listed select None and then click Install ...

Страница 9: ...e described here for a complete description of any command or setting see Chapter 3 Commands and Settings To use Direct follow these steps 1 Open your word processing spreadsheet or other application 2 Choose OmniPage Direct in the Apple menu 3 Adjust settings and click Scan in the Scan Text dialog box 4 Select parts of a page optional 5 Check the brightness setting After recognition the scanned t...

Страница 10: ... other application 2 Place a page in your scanner If you don t know how to orient the page correctly check your scanner s manual Be sure your scanner is turned on Step 2 Choose OmniPage Direct in the Apple Menu If Direct is properly installed OmniPage Direct appears in your Macintosh Apple menu 1 Be sure you have selected your scanner in the Apple Chooser See paratext on page 1 4 2 Choose OmniPage...

Страница 11: ...ust the Brightness control click Options The Options dialog box will appear If necessary de select Auto Intensity to activate the brightness control Manually adjusting Brightness can improve recognition accuracy and speed see Chapter 4 Improving Performance If a page has sharp distinct characters printed on good qual ity non reflective paper set the brightness slide to the middle normal setting If...

Страница 12: ... by holding the mouse but ton down and dragging the mouse Zones will be recognized in the order you select them unless you use the Order zones tool the symbol To adjust a zone first select it by clicking on the Draw zones tool and then clicking on the zone Then move the mouse pointer to a selection box han dle hold the mouse button down and move the mouse Draw zones Order zones Erase zones Zoom in...

Страница 13: ...lick on the next zone you want recognized the number 2 will appear Continue until the zones are appropriately ordered 3 Click on the Erase zones tool and then click on a zone selection box The contents of the zone will not be removed only the selec tion box will go away 4 Click Recognize to start recognition During recognition text blocks are painted gray and then black on the screen as Direct wor...

Страница 14: ... image window The Character Window helps you adjust the correct Brightness setting if Auto Intensity is de selected It also shows you if you put the page in the scanner skewed or upside down If text characters appear thick and run together re scan the page after adjusting the Brightness control towards Lighten If characters appear thin and broken adjust the control towards Darken If characters app...

Страница 15: ...cter Window No special brightness adjustment is needed The following figure shows how thin broken characters appear in the Character Window Try adjusting the brightness toward Darken The following figure shows how thick run together characters appear in the Character Window Try adjusting the brightness toward Lighten ...

Страница 16: ...14 How to Scan Text ...

Страница 17: ...ticular part and that the Recognize button has turned into the Adjust button You click Adjust recognition stops and you can select parts correctly without having to re scan the page Auto Intensity Select this to let Direct automatically set an optimal brightness setting using Caere AnyPage or HP AccuPage technology This feature is available with grayscale scanners This feature is especially useful...

Страница 18: ...he most important means you have to affect the accuracy of text recognition It s needed to account for variations in paper quality print quality and scanner peculiarities It acts like the brightness setting on a copier Set brightness by moving the mouse arrow to the square in the slide holding the mouse button down and moving the square toward the desired setting Or click on the arrows to the left...

Страница 19: ...ssor When this is deselected Direct will look for extra space between lines of text on the scanned page and interpret space as a paragraph break It will insert a hard carriage return at the paragraph break If text is continuous it will assume that the continuous text is one paragraph File Menu The File menu contains the Quit command Select Quit to exit the Direct program and remove the program fro...

Страница 20: ...you if you want to scan more pages If you use an automatic document feeder ADF the prompt will appear when the ADF is empty Options Click this to display the Options dialog box This dialog box lets you indicate the size page you re scanning the column structure the type of characters printed on your page and other options Usually you won t need to use these advanced features Direct will automatica...

Страница 21: ...canner s manual for instructions on how to place landscape pages Flipped Select this if a portrait oriented page is placed upside down in the scanner Flipscape Select this if a landscape oriented page is placed upside down in the scanner If Portrait Landscape Flipped or Flipscape is selected Direct will not automatically flip an image if text recognition accuracy is very poor Page Layout Page layo...

Страница 22: ... business letters Direct will treat the entire page as one column It starts at the top of the page and moves to the bottom outlining page wide text blocks If there are tables Direct will use spaces as delimiters between columns Spreadsheet Tables Select this when scanning a table or financial form and you are putting the text into a spreadsheet Direct will insert tabs instead of spaces as delimite...

Страница 23: ...select and order zones and zoom the view in or out The buttons on the button bar let you start and cancel the recognition process and adjust settings in the Options dialog box Draw zones Click this tool and then enclose each area you want recognized with a selection box by holding the mouse button down and dragging the mouse Zones will be recognized in the order you select them unless you use the ...

Страница 24: ...om in tool and then click on the area of the page you want enlarged Click the Zoom out tool and then click on the area to zoom to a wider view The levels of zoom are Fit in Window 25 50 and 100 The 100 view gives you a pixel for pixel view of the scanned image Recognize Click this button to start recognition If you highlighted the Multiple Pages and Partial Page icons and you did not select Pause ...

Страница 25: ... you may want to change settings for different pages For example imagine you are scanning a magazine article that stretches over several pages You select Partial Page because you don t want to recognize all the advertisements that are on the page You also select Pause after every page because each page has a different text ad layout and you will have to select different parts of each page After ea...

Страница 26: ...application A dialog box will appear after recognition allowing you to name the text file and save it in an appropriate folder Direct does not retain formatting when you save text to a file Single Page Highlight this icon if you are scanning a single page Highlight Multiple Pages if you re scanning more than one page with an automatic document feeder or by changing pages in the scanner by hand Siz...

Страница 27: ...use a few different settings Speed up Direct by deselecting Auto Intensity and by manually adjusting other options instead of using the default Auto settings Improve text recognition accuracy by using the Character Win dow described later in this chapter to adjust the Brightness set ting and by taking into account scanning angle and paper transparency ...

Страница 28: ...available on grayscale scanners However if you scan high quality documents with crisp black letters printed on white paper recognition is much faster with this setting turned off Deselect Auto Intensity to activate the manual Brightness control in the Options dialog box Page Layout Select Single column when there is one column on a page as with correspondence Select Spreadsheet Tables when scannin...

Страница 29: ...on The document should be free of notes lines or doodles Any thing that is not a printed character will slow Direct considerably and any character distorted by a mark will be unrecognizable The document font must be non stylized for example the Zapf Chancery font is too fancy for Direct It s hard to recognize underlined text accurately the underline changes the shape of descenders on the letters q...

Страница 30: ...ext time you scan that type of page Auto Intensity Select this to let Direct automatically set the optimal brightness using Caere AnyPage or HP AccuPage technology This feature is especially useful if your page is dirty if text is printed on a colored background or if the page has shading from a copy machine Direct will use HP AccuPage if you select HP AccuPage as the scanner extension in the Appl...

Страница 31: ...raightening the page in the scanner If the Character Window does not appear during recognition maximize the size of your application s window and the Direct image window The following figure shows how well formed characters appear in the Character Window No special brightness adjustment is needed The Character Window ...

Страница 32: ...l toward Lighten Scanner Glass Clarity The sheet of glass on the flatbed of the scanner must be clear If it gets dirty wipe it gently with a soft damp lint free cloth or tissue Be sure it is completely dry before you put pages on it Paper Transparency Some paper is thin enough that the scanner sees text printed on the opposite side of the scanned page This is often the case with telephone book pag...

Страница 33: ...this version of Direct Error Messages a list of Direct error messages and solutions AppleEvents information about how to integrate Direct with the System 7 AppleEvents capability Special Topics general information about how Direct works and special problems you may encounter Caere Product Support how to contact and what information to have ready ...

Страница 34: ...an Apple OneScanner Color OneScanner Apple Scan Canon IX 3010 4015 Canon Scan Epson ES 300C ES 600C ES 800C Epson Epson 4000 GT Epson Fujitsu 3096G 3097G Fujitsu Scan Fujitsu ScanPartner 10 ScanPartner Jr Fujitsu Scan HP ScanJet HP Scan 2 HP ScanJet IIc IIcx IIp Plus HP Scan 2 HP AccuPage Microtek MSF 300GS 300ZS Microtek Scan Microtek ScanMaker 600ZS Microtek Scan Microtek ScanMaker IIhr IIg IIsp...

Страница 35: ...Ihr If images scanned in grayscale mode with an ADF appear distorted please contact Microtek and upgrade your scanner ROMs to version 1 2 Power Macs and ScanMaker IIhr III The ScanMaker IIhr will run on a Power Mac if you select the Microtek Scan chooser extension rather than the Microtek III hr chooser extension Chooser extensions are installed during the Direct installation process and then sele...

Страница 36: ...ID number of another device connected to your Macintosh All peripheral SCSI devices such as scanners and external hard disks have an assigned SCSI ID number Usually there is a small indicator on the back of the SCSI device that shows a number This is the device s SCSI ID number SCSI ID numbers 0 6 are legal internal hard disks are often set at 0 To find your scanner s SCSI ID number look for the i...

Страница 37: ...Direct application icon in your Apple Menu Items folder Then click Get info in the System File menu See the Memory section at the bottom of the Get info window Current size shows the amount of RAM allocated for Direct Edit this figure so that it is above the Suggested size amount directly above it Not enough memory for recognition Try increasing the amount of memory allocated to the Direct program...

Страница 38: ...le Menu Items folder Then click Get info in the System File menu See the Memory section at the bottom of the Get info window Current size shows the amount of RAM allocated for Direct Edit this figure so that it matches or exceeds the Suggested size amount directly above it Please close all Direct windows before changing the scanner type To change scanner or SCSI ID number information first close t...

Страница 39: ...stand these messages and commands You may want to review the AppleEvents chapter in Inside Macintosh Volume VI before proceeding AppleEvent Messages There are a number of AppleEvent interchange messages Only three are processed by Direct since they are the only ones that apply to an OCR session The next section describes actual commands that are embedded within these messages The supported message...

Страница 40: ...nical Information AppleEvent Commands AppleEvent_Launch_Application Initiates the AppleEvent conversation with Direct and makes Direct the active application AppleEvent_Quit_Application Tells Direct to exit to the Finder ...

Страница 41: ... for which it was not intended make sure that whatever keyboard equivalent used in the operating system matches the one used by Direct For example the US version of Direct uses the Command V keyboard equivalent to paste text If you use the US version with a French operating system you ll need to change the operating system s Paste command to respond to Command V If you are a programmer or experien...

Страница 42: ...0 pages at a time you may need to allocate more memory to your word processing application You ll know that memory is a problem if after scanning many pages no text transfers to your application To solve this problem increase your application s memory size Highlight your application s icon and choose Get info in the Macintosh File menu In the Memory box at the bottom increase the number to 4000 40...

Страница 43: ...408 395 8319 See the next page for international support numbers Information We Need From You For the most efficient response please have the following information on hand and be near your computer when you call The error message text if there was an error message Details about what you were doing before the problem occurred Direct software serial number Locate this information on Program Disk 1 D...

Страница 44: ...your Macintosh model and the amount of memory installed choose About This Macintosh in the Apple menu in the Finder International Support These numbers are for registered international users United Kingdom only 44 01 442 22 7411 Phone 44 01 442 22 7412 Fax 44 01 442 22 7413 BBS Belgium the Netherlands and Luxembourg 49 0 2208 71491 Phone 49 0 2208 71737 Phone 49 0 2208 71731 Fax Other Internationa...

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