1 use of scanning technology for data capture icr system (intelligent character recognition)...
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Use of scanning technology
for data capture
ICR System(Intelligent Character Recognition)
Information and Communication Technology Center
National Statistical Office (NSO)
Thailand
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ICR SYSTEM
It is an automatically Data Entry by Scanning
questionnaires which can be evaluated
handwritten numeric / alphanumeric characters
(ICR) or handwritten optic marks (OMR) and
conduce to Digital Data before processing on
others Computer System.
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ICR System
ICR System in NSO (Thailand) can be divided into 2 parts :
TELEform Software System.
ABBYY Software System.
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NSO provided ICR System to process
the first Project of Population Census in 2000.
By scanning the 16 million households
(16 million Forms) which spent only 8 months
to process the raw data instead of more than
1 year by using Key in Data System.
ICR for The Population Census 2000
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ICR for The Agricultural Census 2003
NSO hired ABBYY Software to
process about 25% of The Agricultural
Census 2003 that has totally 5.7 million
households (24 million forms).
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After processing The Population
Census 2000,some survey projects have
been used ICR System such as The
Labour Force Survey (monthly report),
The Household Manufacturing Survey etc.
Other Survey Projects
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TELEform Hardware System
• NetServer for TELEform Server 1 Unit
• NetServer for Database Server 1 Unit
• Reader Modules Workstations 21 Unit
• Verifier Modules Workstations 30 Unit
• Scanner Control Workstations 6 Unit
• Scanner Fujitsu M4099D 6 Unit
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TELEform Software System
TELEform Software is selected for ICR
System which is used for Forms and Documents
Processing. It is the product of TELEform Cardiff
Software , Inc. USA.
TELEform 6.2 Elite Enterprise Edition
Components:
TELEform Designer.
TELEform Reader.
TELEform Verifier.
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ABBYY Hardware System
• IBM Server X Series 225 1 Unit
• Correction Station 1 Unit
• Verifier Modules Workstations 25 Unit
• Scanner Control Workstations 4 Unit
• Scanner Fujitsu M4099D 4 Unit
• Storageflex LT707 1 Unit
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ABBYY Software System
NSO provided ABBYY Software which is the product of Russia.
ABBYY FormReader 6.0 Enterprise Edition
Components: ❑ Form Design
❑ Administration Station
❑ Recognition Station
❑ Correction Station
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TELEform / ABBYY Designer Function
• To create template form.
• Fix value of data type properties in each field of template form on questionnaire.
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TemplateQuestionnaire
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TELEform Reader / ABBYY Administration Function
• To evaluate the questionnaires .
• Export the corrected questionnaires to a data file.
• Send the unclear questionnaires to TELEform / ABBYY Verifier Function for correcting and transferring the corrected questionnaires to a data file.
• Store scanned images.
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TELEform / ABBYY Verifier Function
• To correct questionnaires that contain
mismarked or illegible fields.
• The corrected questionnaires are automatically exported to a data file.
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BasicScript Programming Language
Script Language use to add extensive
features similar to Visual Basic.
• To develop Form Script during Evaluation and Correction.
• To develop Export Script during Data Export.
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Step of ICR System in NSO
Scan and Forms Distribution :
The questionnaires are scanned in each Block
/ Village and created Multi Page Image Files in
local hard disk.
Forms Evaluation :
The questionnaires images are evaluated.
The corrected questionnaires which skipped
Verifier Workstation and directly exported to
Database server.
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The questionnaires are scanned.
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Scan and Forms Distribution
Questionnaires Scanned Image files
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Step of ICR System in NSO (cont.)
Forms Verification :
The unclear questionnaires are needed
review and corrected it in Verifier Workstations
before transferring to Database server.
Data Export :
- Link a data file from Database server to
IBM Mainframe System.
- Store Scanned image files to CD.
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Unrecognized fields must be corrected at Verifier Workstations.
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Forms Verification and Data Export
Storage
(Images files)
Database Server
CD
Export data
for processing
Verify
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Questionnaires
CD
Storage(HD 880
GB)
Mainframe
HP Server
COMPAQ Server
Processing(Editing & Reporting)
Scanners 4
unit
IBM Server
controller
PC 6 unit
30 unit
PC 4 unit
controller
21 unit
Verifications
Readers
Correction
1 unit
station
25 unit
Verifications
-Administration-Export-Recognition
ABBYY Software
TELEform Software
ICR Link System
CD
Questionnaires
Transfers
- Backup Data
- Software - Database
S Scanners6 unit
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Specific Questionnaire for ICR System
The questionnaires must be professionally
printed in a specific colour field boxes
(blue,green,red).The scanners are recognized the questionnaires
characters / numerics and drop out field boxes
colour.Test questionnaires to make sure that can
process it with speed and accuracy.
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ICR Benefits
Reduce Cost.
Reduce Time.
Efficient Data
Capture.Increase Data Accuracy.