Synopsis
Set OCR processing controls.
Format
void MocrControl(FontId, ControlToSet, Value)
| MIL_ID FontId; | Font buffer identifier |
| long ControlType; | Type of control to set |
| double ControlValue; | Value of control parameter |
Description
This function sets various OCR controls for the read/verify operation, such as inter-character spacing, etc.
The FontId parameter specifies the identifier of the font with which to associate the control settings.
The ControlType and ControlValue parameters together specify the type and value of control to set.
| ControlType | Description | ControlValue |
| M_STRING_ACCEPTANCE | Minimum acceptance score for successful read/verification of string (default is 1 %). | 0 – 100% |
| M_CHAR_ACCEPTANCE | Minimum acceptance score for successful read/verification of an individual character (default is 1 %). | 0 – 100% |
| M_CHAR_INVALID | Symbol for unrecognized characters (set to M_NULL when no special character is desired). Default is M_NULL. | 0 – 255 |
| M_TARGET_CHAR_SPACING | Specifies inter-character spacing (also set by calibration with MocrCalibrateFont). | > 1 |
| M_TARGET_CHAR_SIZE_X | Specifies target character X size (also set by calibration with MocrCalibrateFont). | > 1 |
| M_TARGET_CHAR_SIZE_Y | Specifies target character Y size (also set by calibration with MocrCalibrateFont). | > 1 |
| M_CHAR_ERASE | Specifies the character to erase from the font. | Any character present in the font. |
| M_SKIP_CONTRAST_ENHANCE | Skip contrast enhancement step (default is M_DISABLE). | M_ENABLE or M_DISABLE |
| M_SKIP_STRING_LOCATION | Skip string location step (default is M_DISABLE). | M_ENABLE or M_DISABLE |
| M_ROBUSTNESS | Specifies the robustness/speed factor (default is M_MEDIUM). M_VERY_HIGH: most reliable but slow M_HIGH: reliable for noisy images M_MEDIUM: default setting M_LOW: fast for good images M_VERY_LOW: very fast but least reliable |
See also
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