You are here: Start » Function Reference » Optical Character Recognition Deprecated » InitOcr_SVM_Deprecated

InitOcr_SVM_Deprecated

Creates an OCR model based on support vector machines classifier.

Syntax

void avl::InitOcr_SVM_Deprecated
(
	const atl::Optional<float>& inNu,
	const atl::Optional<float>& inKernelGamma,
	const float& inRegularizationConstant,
	const float& inStopEpsilon,
	bool inUseShrinkingHeuristics,
	const avl::Size& inNormalizationSize,
	atl::Optional<int> inRandomSeed,
	const avl::CharacterFeatures& inCharacterFeatures,
	avl::OcrSvmModel& outOcrModel
)

void InitOcr_SVM_Deprecated
(
	float? inNu,
	float? inKernelGamma,
	float inRegularizationConstant,
	float inStopEpsilon,
	bool inUseShrinkingHeuristics,
	Size inNormalizationSize,
	int? inRandomSeed,
	CharacterFeatures inCharacterFeatures,
	out OcrSvmModel outOcrModel
)

Parameters

Name	Type	Range	Default	Description
inNu	const Optional<float>&	0.0 - 1.0	NIL	Trade-off between training accuracy and number of supported vectors
inKernelGamma	const Optional<float>&		0.01f	Gamma parameter for RBF kernel
inRegularizationConstant	const float&	0.0 -	1.0f	Preventing overfitting
inStopEpsilon	const float&		0.001f	Epsilon for stopping criterion
inUseShrinkingHeuristics	bool		True	Heuristics may speed up computations
inNormalizationSize	const Size&		(Width: 16, Height: 16)	The character size after normalization
inRandomSeed	Optional<int>	0 - +	NIL	Random seed used to train classifier
inCharacterFeatures	const CharacterFeatures&		(Pixels: True)	Character features used to identify characters
outOcrModel	OcrSvmModel&			Result OcrSvmModel used to recognize characters

Errors

Error type	Description
DomainError	Invalid normalization size in InitOcr_SVM.