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UNSD Census Workshop Day 2 - Session 9 Data Capture: Process Stages

Learn about the process stages involved in data capture for a census, including forms receiving, scanning, recognition, verification, and quality control. Discover the logistical issues and time management strategies for high-quality data capture.

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UNSD Census Workshop Day 2 - Session 9 Data Capture: Process Stages

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  1. UNSD Census Workshop Day 2 - Session 9 Data Capture: Process Stages Andy Tye – International Manager DRS are Worldwide specialists in data capture from paper

  2. Data Capture Pre-Census Planning – Pre-Pilot Timeline (Census July 2010)

  3. Data Capture Pre-Census Planning – Post-Pilot Timeline (Census July 2010)

  4. Data Capture Pre-Census Planning – Forms Design - Sudan

  5. Data Capture Pre-Census Planning – Enumerator Training Ethiopia

  6. Data Capture Enumeration during the Census

  7. Data Capture Census Processing Stages • Forms Receiving • Scanning Process • Recognition Process • Verification Process • Quality Process • Logistic issues • Time V Quality

  8. Data Capture Census Processing Stages • Forms Receiving • Scanning Process • Recognition Process • Verification Process • Quality Process • Logistic issues • Time V Quality

  9. Data Capture – Process Stages Forms Receiving • Batch processing • EA Control forms • Opening • Sifting • Cutting • Prepare to scan

  10. Data Capture – Process Stages Forms Receiving • Batch processing • EA Control forms (Sudan Example) • Opening • Sifting • Cutting • Prepare to scan

  11. Data Capture – Process Stages EA Control forms - Sudan • 2 Parts • Supervisor • Enumerator • Unique Barcode

  12. Data Capture – Process Stages EA Control forms - Sudan

  13. Data Capture Census Processing Stages • Forms Receiving  • Scanning Process • Recognition Process • Verification Process • Quality Process • Logistic issues • Time V Quality

  14. Data Capture Census Processing Stages • Forms Receiving  • Scanning Process • Recognition Process • Verification Process • Quality Process • Logistic issues • Time V Quality

  15. Data Capture – Process Stages Scanning Process • Speed • Form condition • Scanner condition • Size & Type of image • Real-time validation rules • Sorting • Doubles separation & detection • Operator training • Paper Crashes • Environment

  16. Data Capture – Process Stages Scanning Process • Skew • Form condition • Scanner condition • Operator training • Cut of Form

  17. Data Capture – Process Stages Scanning Process • Double Sheets • Sifting • Scanner separator condition • Operator training • Detection via scanners sensors • Ultra Sonic • Capacitive

  18. Data Capture – Process Stages Scanning Process • Other • Duty Cycle • Servicing and Cleaning • Batch Control • Audit/Tracking Process • Physical space

  19. Data Capture – Process Stages Scanning Process - Ethiopia

  20. Data Capture – Process Stages Scanning Process Show Scanner Video

  21. Data Capture Census Processing Stages • Forms Receiving  • Scanning Process  • Recognition Process • Verification Process • Quality Process • Logistic issues • Time V Quality

  22. Data Capture Census Processing Stages • Forms Receiving  • Scanning Process  • Recognition Process • Verification Process • Quality Process • Logistic issues • Time V Quality

  23. Data Capture – Process Stages Recognition Process – For Hand Written Characters • Feature recognition • Length • Nodes • Angles

  24. Data Capture – Process Stages Recognition Process – For Hand Written Characters • Feature recognition • Length • Nodes • Angles • Neural Networks • Resize • Converted to Pixels • Template set comparatives

  25. Data Capture Census Processing Stages • Forms Receiving  • Scanning Process  • Recognition Process  • Verification Process • Quality Process • Logistic issues • Time V Quality

  26. Data Capture Census Processing Stages • Forms Receiving  • Scanning Process  • Recognition Process  • Verification Process • Quality Process • Logistic issues • Time V Quality

  27. Data Capture – Process Stages Verification Process

  28. Data Capture – Process Stages Verification Process

  29. Data Capture – Process Stages Verification Process – Sudan & Malawi

  30. Data Capture Census Processing Stages • Forms Receiving  • Scanning Process  • Recognition Process  • Verification Process  • Quality/Managment Process • Logistic issues • Time V Quality

  31. Data Capture Census Processing Stages • Forms Receiving  • Scanning Process  • Recognition Process  • Verification Process  • Quality/Management Process • Logistic issues • Time V Quality

  32. Data Capture – Process Stages Quality Process • Starts Pre-Census • Audit Trail • Unique Barcodes • System Reports • Defined Roles

  33. Data Capture Census Processing Stages • Forms Receiving  • Scanning Process  • Recognition Process  • Verification Process  • Quality/Management Process  • Logistic issues • Time V Quality

  34. Data Capture Census Processing Stages • Forms Receiving  • Scanning Process  • Recognition Process  • Verification Process  • Quality/Management Process  • Logistic issues • Time V Quality

  35. Data Capture – Process Stages Logistic Issues • Distribution (EA Packs and Forms) • Space • Man power • Security • Loading and moving equipment • Receiving & Processing • Space • Storage • Processing • Security • Fire and emergency procedures

  36. Logistic Issues - Tanzania Data Capture – Process Stages

  37. Logistic Issues – 0.5 Million Forms Data Capture – Process Stages

  38. Logistic Issues – 0.5 Million Forms Data Capture – Process Stages

  39. Logistic Issues – Lifting equipment Data Capture – Process Stages

  40. Logistic Issues – 10 Million Forms (6,000 Sqft) Data Capture – Process Stages

  41. Logistic Issues – Forms Storage in Sudan Data Capture – Process Stages

  42. Logistic Issues – Fire Risk Data Capture – Process Stages

  43. Data Capture Census Processing Stages • Forms Receiving  • Scanning Process  • Recognition Process  • Verification Process  • Quality/Management Process  • Logistic issues  • Time V Quality

  44. Data Capture Census Processing Stages • Forms Receiving  • Scanning Process  • Recognition Process  • Verification Process  • Quality/Management Process  • Logistic issues  • Time V Quality

  45. Data Capture – Process Stages Time V Quality ‘From experience DRS has identified that the largest issue for Time and Quality is how well the Census forms are filled out by the Enumerators’

  46. Data Capture Census Processing Stages • Forms Receiving  • Scanning Process  • Recognition Process  • Verification Process  • Quality/Management Process  • Logistic issues  • Time V Quality 

  47. Data Capture – Process Stages Summary • Significant Pre-census Preparation (2 Years) • Forms design – Critical path • Staffing • Data Capture systems • used in a variety of business sectors • Verification of Data – Business rules • Security and Backup plans

  48. Worldwide specialists in data capture from paper

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