Dynamsoft Label Recognition Enumeration - Parameter Mode Enumeration

Enumeration	Description
DLRBinarizationMode	Describes the binarization mode.
DLRGrayscaleTransformationMode	Describes the grayscale transformation mode.
DLRRegionPredetectionMode	Describes the region predetection mode.

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DLRBinarizationMode

Describes the binarization mode.

Declarations

Language	Declaration
C / C++	enum DLRBinarizationMode
.Net	enum Dynamsoft.DLR.EnumDLRBinarizationMode
Android	class EnumDLRBinarizationMode
ObjC / Swift	enum EnumDLRBinarizationMode

Members

Member (except ObjC/Swift)	Member (ObjC/Swift)	Value	Description
DLR_BM_SKIP	EnumDLRBinarizationModeSkip	0x00	Skips the binarization.
DLR_BM_AUTO	EnumDLRBinarizationModeAuto	0x01	Not supported yet.
DLR_BM_LOCAL_BLOCK	EnumDLRBinarizationModeLocalBlock	0x02	Binarizes the image based on the local block.
DLR_BM_THRESHOLD	EnumDLRBinarizationModeThreshold	0x04	Binarizes the image based on given threshold.

Remarks Check arguments of DLRBinarizationModes for available argument settings.

 

DLRGrayscaleTransformationMode

Describes the grayscale transformation mode.

Declarations

Language	Declaration
C / C++	enum DLRGrayscaleTransformationMode
.Net	enum Dynamsoft.DLR.EnumDLRGrayscaleTransformationMode
Android	class EnumDLRGrayscaleTransformationMode
ObjC / Swift	enum EnumDLRGrayscaleTransformationMode

Members

Member (except ObjC/Swift)	Member (ObjC/Swift)	Value	Description
DLR_GTM_SKIP	EnumDLRGrayscaleTransformationModeSkip	0x00	Skips grayscale transformation.
DLR_GTM_INVERTED	EnumDLRGrayscaleTransformationModeInverted	0x01	Transforms to inverted grayscale. Recommended for light on dark images.
DLR_GTM_ORIGINAL	EnumDLRGrayscaleTransformationModeOriginal	0x02	Keeps the original grayscale. Recommended for dark on light images.
DLR_GTM_AUTO	EnumDLRGrayscaleTransformationModeAuto	0x04	Lets the library choose an algorithm automatically for grayscale transformation.

 

DLRRegionPredetectionMode

Describes the region predetection mode.

Declarations

Language	Declaration
C / C++	enum DLRRegionPredetectionMode
.Net	enum Dynamsoft.DLR.EnumDLRRegionPredetectionMode
Android	class EnumDLRRegionPredetectionMode
ObjC / Swift	enum EnumDLRRegionPredetectionMode

Members

Member (except ObjC/Swift)	Member (ObjC/Swift)	Value	Description
DLR_RPM_SKIP	EnumDLRRegionPredetectionModeSkip	0x00	Skips region detection.
DLR_RPM_AUTO	EnumDLRRegionPredetectionModeAuto	0x01	Lets the library choose an algorithm automatically to detect region.
DLR_RPM_GENERAL	EnumDLRRegionPredetectionModeGeneral	0x02	Takes the whole image as a region.
DLR_RPM_GENERAL_RGB_CONTRAST	EnumDLRRegionPredetectionModeGeneralRGBContrast	0x04	Detects region using the general algorithm based on RGB colour contrast.
DLR_RPM_GENERAL_GRAY_CONTRAST	EnumDLRRegionPredetectionModeGeneralGrayContrast	0x08	Detects region using the general algorithm based on gray contrast.
DLR_RPM_GENERAL_HSV_CONTRAST	EnumDLRRegionPredetectionModeGeneralHSVContrast	0x10	Detects region using the general algorithm based on HSV colour contrast.

Remarks Check arguments of DLRRegionPredetectionModes for available argument settings.