How form elements are recognized
Below is information and examples on how Aspose.OMR for .NET recognizes different types of elements in forms.
WriteIn
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Mapping
The image of the WriteIn field is stored as System.Drawing.Bitmap object in Images collection. It does not appear in CSV / JSON / XML recognition results.
Example
See Processing write-in fields for details.
Barcode
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Mapping
| Recognition result |
Value |
| Element Name |
name property of the Barcode element. |
| Value |
Decoded barcode. |
Example
Element Name,Value,
QR code,“https://products.aspose.com/omr/net/"
Question (ChoiceBox)
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Mapping
| Recognition result |
Value |
| Element Name |
Question{number} |
| Value |
Marked bubbles, separated by commas. |
Example
Element Name,Value,
Question1,"A,C"
CheckBox
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Mapping
| Recognition result |
Value |
| Element Name |
name property of the CheckBox element. |
| Value |
Marked boxes, separated by commas. |
Example
Element Name,Value,
Food preference:,"Vegan,Low-carb"
VerticalChoiceBox
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Mapping
| Recognition result |
Value |
| Element Name |
name property of the VerticalChoiceBox element. |
| Value |
Marked answers, separated by commas. |
Example
Element Name,Value,
Definition,"1"
ScoreGroup
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Mapping
| Recognition result |
Value |
| Element Name |
- For each ScoreQuestion element, an entry with
name property of ScoreQuestion element is added. - For each ScoreQuestion element, an entry with
name property of ScoreQuestion element and _total suffix is added. - For the entire ScoreGroup element, the entry with
name property of ScoreGroup element and _total suffix is added.
|
| Value |
- Marked evaluation criteria for each ScoreQuestion element, separated by commas.
- Aggregated score for each ScoreQuestion element.
- Total score for the entire ScoreGroup element.
|
Example
Element Name,Value,
How would you rate our services?,"The staff was friendly and helpful,Management was available to solve problems"
How would you rate our services?_total,"3"
Satisfaction survey_total,"3"
Table
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Mapping
| Recognition result |
Value |
| Element Name |
name property of each Question element. |
| Value |
Marked answer text. |
Example
Element Name,Value,
Are you satisfied with Aspose.OMR for .NET performance?,"I don't know"
Are you satisfied with Aspose.OMR for .NET recognition accuracy?,"Yes"
Is Aspose.OMR for .NET easy to use?,"Yes"
Answer Sheet
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Mapping
| Recognition result |
Value |
| Element Name |
name property of each Question element followed by the question number. |
| Value |
Answer. |
Example
Element Name,Value,
Exam1,"C"
Exam2,"A"
Exam3,"D"
Exam4,"E"
Exam5,"B"
Exam6,"B"
Exam7,"B"
Exam8,"E"
Exam9,"A"
Exam10,"C"
Exam11,"D"
Exam12,"B"
Exam13,"D"
Exam14,"E"
Exam15,"A"
Grid
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Mapping
| Recognition result |
Value |
| Element Name |
name property of the Grid element. |
| Value |
Numbers from each marked bubble merged into a single number. If more than one bubble is marked per row / column, all marked numbers are merged into the result. |
Example
Element Name,Value,
Phone number,"1234567"
CustomAnswerSheet
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Mapping
| Recognition result |
Value |
| Element Name |
name property of the CustomAnswerSheet element followed by underscore and the question number. |
| Value |
Answer. |
Example
Element Name,Value,
Example_1,"A"
Example_2,"C"
Example_3,"D"
Example_4,"C"
Example_5,"B"
Example_6,"A"
Example_7,"A"
Example_8,"C"
Example_9,"D"
Example_10,"D"
Example_11,"B"
Example_12,"B"
Example_13,"A"
Example_14,"D"
Example_15,"C"
CompositeGrid
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Mapping
| Recognition result |
Value |
| Element Name |
name property of the CompositeGrid element. |
| Value |
Symbols from each marked bubble merged into a single value. If more than one bubble are marked per row / column, an error is written into the results. |
Example
Element Name,Value,
Security word 1,"SECRET"
Security word 2,"ERROR: Multiple marks per symbol"