feature.h File Reference

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Data Structures
struct	_ChannelFeatures

Typedefs
typedef struct _ChannelFeatures	ChannelFeatures

Functions
MagickExport ChannelFeatures *	GetImageFeatures (const Image *, const size_t, ExceptionInfo *)
MagickExport Image *	CannyEdgeImage (const Image *, const double, const double, const double, const double, ExceptionInfo *)
MagickExport Image *	HoughLineImage (const Image *, const size_t, const size_t, const size_t, ExceptionInfo *)
MagickExport Image *	MeanShiftImage (const Image *, const size_t, const size_t, const double, ExceptionInfo *)

Typedef Documentation

ChannelFeatures

typedef struct _ChannelFeatures ChannelFeatures

Function Documentation

CannyEdgeImage()

MagickExport Image * CannyEdgeImage	(	const Image *	,
		const double	,
		const double	,
		const double	,
		const double	,
		ExceptionInfo *
	)

GetImageFeatures()

MagickExport ChannelFeatures * GetImageFeatures	(	const Image *	image,
		const	size_t,
		ExceptionInfo *	exception
	)

Definition at line 623 of file feature.c.

References AcquireQuantumMemory(), AcquireVirtualCacheView(), _PixelPacket::alpha, _Image::alpha_trait, AlphaPixelChannel, _ChannelFeatures::angular_second_moment, _PixelPacket::black, BlackPixelChannel, _PixelPacket::blue, BluePixelChannel, CMYKColorspace, _Image::colorspace, _Image::columns, _ChannelFeatures::contrast, _ChannelFeatures::correlation, DestroyCacheView(), _ChannelFeatures::difference_entropy, _ChannelFeatures::difference_variance, _ChannelFeatures::entropy, _Image::filename, GetCacheViewVirtualPixels(), GetMagickModule, GetPixelAlpha(), GetPixelBlack(), GetPixelBlue(), GetPixelChannels(), GetPixelGreen(), GetPixelRed(), _PixelPacket::green, GreenPixelChannel, _ChannelFeatures::inverse_difference_moment, IsEventLogging(), LogMagickEvent(), magick_restrict, MagickAbsoluteValue, MagickCoreSignature, MagickEpsilon, MagickFalse, MagickLog10(), MagickTrue, _ChannelFeatures::maximum_correlation_coefficient, MaxMap, MaxPixelChannels, _ChannelFeatures::measure_of_correlation_1, _ChannelFeatures::measure_of_correlation_2, PerceptibleReciprocal(), _PixelPacket::red, RedPixelChannel, RelinquishMagickMemory(), ResourceLimitError, ResourceLimitFatalError, _Image::rows, _Image::signature, _ChannelFeatures::sum_average, _ChannelFeatures::sum_entropy, _ChannelFeatures::sum_variance, ThrowFatalException, ThrowMagickException(), TraceEvent, UndefinedPixelTrait, and _ChannelFeatures::variance_sum_of_squares.

Referenced by IdentifyImage().

HoughLineImage()

MagickExport Image * HoughLineImage	(	const Image *	,
		const	size_t,
		const	size_t,
		const	size_t,
		ExceptionInfo *
	)

MeanShiftImage()

MagickExport Image * MeanShiftImage	(	const Image *	image,
		const	size_t,
		const	size_t,
		const double	color_distance,
		ExceptionInfo *	exception
	)

Definition at line 2165 of file feature.c.

References AcquireAuthenticCacheView(), AcquireVirtualCacheView(), _PixelInfo::alpha, _PixelInfo::blue, ClampToQuantum(), CloneImage(), _Image::columns, DestroyCacheView(), DestroyImage(), DirectClass, _Image::filename, GetCacheViewAuthenticPixels(), GetCacheViewVirtualPixels(), GetMagickModule, GetOneCacheViewVirtualPixelInfo(), GetPixelChannels(), GetPixelInfo(), GetPixelInfoPixel(), _PixelInfo::green, IsEventLogging(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickRound(), MagickTrue, MaxMeanShiftIterations, MeanShiftImageTag, PerceptibleReciprocal(), _Image::progress_monitor, QuantumScale, _PixelInfo::red, _Image::rows, SetImageProgress(), SetImageStorageClass(), SetPixelAlpha(), SetPixelBlue(), SetPixelGreen(), SetPixelRed(), _ExceptionInfo::signature, _Image::signature, SyncCacheViewAuthenticPixels(), TraceEvent, _PointInfo::x, and _PointInfo::y.