Changes between Version 6 and Version 7 of UserGuidelines/OCR
- Timestamp:
- 08/17/11 16:48:36 (13 years ago)
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UserGuidelines/OCR
v6 v7 1 1 2 == Sahana Eden Optical Character Recognition ==2 == Sahana Eden Optical Character Recognition Software == 3 3 4 Sahana OCR Module is responsible to generate OCR-able PDF Form for every resource Form available in HTML. There are two types of interfaces available based on the usecase. 5 1. Single Form Upload 6 When there is human resource available to upload and verify the OCR-ed data individually then this interface can be considered. Here the user will upload a scanned Form, let eden OCR it, then he/she can verifies the data and update the database with this new record. 4 '''Introduction''' 7 5 8 2. Bulk Form Upload 9 When there is not enough human resource available to upload and verify the OCR-ed data then this usecase can be considered where scanned forms can be uploaded in bulk and verified later. 6 Optical Character Recognition (or just OCR) in Sahana Eden is used to facilitate electronic data collection by providing paper 7 based data collection as an alternative by which one can download and print a blank FORM and upload them back after data entry. 8 The OCR software in Sahana Eden will then read them and store the data electronically. 10 9 11 ''' Phases'''10 '''Workflow''' 12 11 13 The workflow of OCR Module is composed of two phases: 14 1. Download PDF Form 15 2. Upload Scanned Form 12 As this operation would essentially have two phases, they have been described in detail. 16 13 14 [http://eden.sahanafoundation.org/wiki/UserGuidelines/OCR/DownloadForm Download a FORM - (A Blank FORM which could be printed and distributed among the Volunteers for data collection)] 17 15 18 == Download PDF Form == 16 [http://eden.sahanafoundation.org/wiki/UserGuidelines/OCR/UploadForm Upload a FORM - (A FORM with handwritten data which has to be uploaded back to the Sahana Eden server(s) which could read and store them electronically)] 19 17 20 A PDF Form for a resource can be downloaded from the buttons available in create/update UI of any resource alternatively it can be downloaded directly from the following links. 18 '''Errors / Frequently Asked Questions''' 21 19 22 http://127.0.0.1:8000/eden/modulePrefix/moduleSuffix/create.pdf 20 And what if something goes wrong and you see an error message. Most of the common error messages have been described: 23 21 24 and 25 26 http://127.0.0.1:8000/eden/modulePrefix/moduleSuffix/recordId/componentName/create.pdf 27 28 [[BR]] 29 [[Image(http://eden.sahanafoundation.org/raw-attachment/wiki/UserGuidelines/OCR/Screenshot-4.png)]] 30 [[BR]] 31 32 == Upload Scanned Form == 33 34 A Scanned form can be uploaded in two different ways. 35 36 '''1. Individual Upload''' 37 38 [[BR]] 39 [[Image(http://eden.sahanafoundation.org/raw-attachment/wiki/UserGuidelines/OCR/Screenshot-3.png)]] 40 [[BR]] 41 42 For this use-case, the user has to use the web UI to upload the scanned OCR Form. The scanned Form can either be a single PDF file or multiple image files, one file corresponds to one page. The OCR upload button is available in create/update UI of any resource alternatively it can be uploaded directly from the following links. 43 44 http://127.0.0.1:8000/eden/modulePrefix/moduleSuffix/upload.pdf 45 46 and 47 48 http://127.0.0.1:8000/eden/modulePrefix/moduleSuffix/recordId/componentName/upload.pdf 49 50 [[BR]] 51 [[Image(http://eden.sahanafoundation.org/raw-attachment/wiki/UserGuidelines/OCR/Screenshot-5.png)]] 52 [[BR]] 53 54 While there are two options available for uploading a OCR Form. 55 1. one image per page 56 [[BR]] 57 [[Image(http://eden.sahanafoundation.org/raw-attachment/wiki/UserGuidelines/OCR/Screenshot-6.png)]] 58 [[BR]] 59 2. upload a Scanned OCR form as a PDF. 60 [[BR]] 61 [[Image(http://eden.sahanafoundation.org/raw-attachment/wiki/UserGuidelines/OCR/Screenshot-7.png)]] 62 [[BR]] 63 64 65 '''2. Bulk Upload''' 66 67 TODO 22 [http://eden.sahanafoundation.org/wiki/UserGuidelines/OCR/HandleErrors What if something goes wrong? - (How to handle ERRORS occurred while operating this Optical Character Recognition software)]