statistic.c File Reference

#include "MagickCore/studio.h"
#include "MagickCore/accelerate-private.h"
#include "MagickCore/animate.h"
#include "MagickCore/artifact.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/cache.h"
#include "MagickCore/cache-private.h"
#include "MagickCore/cache-view.h"
#include "MagickCore/client.h"
#include "MagickCore/color.h"
#include "MagickCore/color-private.h"
#include "MagickCore/colorspace.h"
#include "MagickCore/colorspace-private.h"
#include "MagickCore/composite.h"
#include "MagickCore/composite-private.h"
#include "MagickCore/compress.h"
#include "MagickCore/constitute.h"
#include "MagickCore/display.h"
#include "MagickCore/draw.h"
#include "MagickCore/enhance.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/gem.h"
#include "MagickCore/gem-private.h"
#include "MagickCore/geometry.h"
#include "MagickCore/list.h"
#include "MagickCore/image-private.h"
#include "MagickCore/magic.h"
#include "MagickCore/magick.h"
#include "MagickCore/memory_.h"
#include "MagickCore/module.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/option.h"
#include "MagickCore/paint.h"
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/profile.h"
#include "MagickCore/property.h"
#include "MagickCore/quantize.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/random_.h"
#include "MagickCore/random-private.h"
#include "MagickCore/resource_.h"
#include "MagickCore/segment.h"
#include "MagickCore/semaphore.h"
#include "MagickCore/signature-private.h"
#include "MagickCore/statistic.h"
#include "MagickCore/string_.h"
#include "MagickCore/thread-private.h"
#include "MagickCore/timer.h"
#include "MagickCore/utility.h"
#include "MagickCore/version.h"

Include dependency graph for statistic.c:

Go to the source code of this file.

Data Structures
struct	_PixelChannels
struct	_SkipNode
struct	_SkipList
struct	_PixelList

Macros
#define	EvaluateImageTag   "Evaluate/Image"
#define	FunctionImageTag   "Function/Image "
#define	MaxNumberImageMoments   8
#define	Log10Epsilon   (1.0e-11)
#define	SwapPixels(alpha, beta)
#define	PolynomialImageTag   "Polynomial/Image"
#define	StatisticImageTag   "Statistic/Image"

Typedefs
typedef struct _PixelChannels	PixelChannels
typedef struct _SkipNode	SkipNode
typedef struct _SkipList	SkipList
typedef struct _PixelList	PixelList

Functions
static PixelChannels **	DestroyPixelTLS (const Image *images, PixelChannels **pixels)
static PixelChannels **	AcquirePixelTLS (const Image *images)
static double	EvaluateMax (const double x, const double y)
static int	IntensityCompare (const void *x, const void *y)
static double	ApplyEvaluateOperator (RandomInfo *random_info, const Quantum pixel, const MagickEvaluateOperator op, const double value)
static Image *	AcquireImageCanvas (const Image *images, ExceptionInfo *exception)
MagickExport Image *	EvaluateImages (const Image *images, const MagickEvaluateOperator op, ExceptionInfo *exception)
MagickExport MagickBooleanType	EvaluateImage (Image *image, const MagickEvaluateOperator op, const double value, ExceptionInfo *exception)
static Quantum	ApplyFunction (Quantum pixel, const MagickFunction function, const size_t number_parameters, const double *parameters, ExceptionInfo *exception)
MagickExport MagickBooleanType	FunctionImage (Image *image, const MagickFunction function, const size_t number_parameters, const double *parameters, ExceptionInfo *exception)
MagickExport MagickBooleanType	GetImageEntropy (const Image *image, double *entropy, ExceptionInfo *exception)
MagickExport MagickBooleanType	GetImageExtrema (const Image *image, size_t *minima, size_t *maxima, ExceptionInfo *exception)
MagickExport MagickBooleanType	GetImageKurtosis (const Image *image, double *kurtosis, double *skewness, ExceptionInfo *exception)
MagickExport MagickBooleanType	GetImageMean (const Image *image, double *mean, double *standard_deviation, ExceptionInfo *exception)
MagickExport MagickBooleanType	GetImageMedian (const Image *image, double *median, ExceptionInfo *exception)
MagickExport ChannelMoments *	GetImageMoments (const Image *image, ExceptionInfo *exception)
static double	MagickLog10 (const double x)
MagickExport ChannelPerceptualHash *	GetImagePerceptualHash (const Image *image, ExceptionInfo *exception)
MagickExport MagickBooleanType	GetImageRange (const Image *image, double *minima, double *maxima, ExceptionInfo *exception)
static ssize_t	GetMedianPixel (Quantum *pixels, const size_t n)
MagickExport ChannelStatistics *	GetImageStatistics (const Image *image, ExceptionInfo *exception)
MagickExport Image *	PolynomialImage (const Image *images, const size_t number_terms, const double *terms, ExceptionInfo *exception)
static PixelList *	DestroyPixelList (PixelList *pixel_list)
static PixelList **	DestroyPixelListTLS (PixelList **pixel_list)
static PixelList *	AcquirePixelList (const size_t width, const size_t height)
static PixelList **	AcquirePixelListTLS (const size_t width, const size_t height)
static void	AddNodePixelList (PixelList *pixel_list, const size_t color)
static void	GetMedianPixelList (PixelList *pixel_list, Quantum *pixel)
static void	GetModePixelList (PixelList *pixel_list, Quantum *pixel)
static void	GetNonpeakPixelList (PixelList *pixel_list, Quantum *pixel)
static void	InsertPixelList (const Quantum pixel, PixelList *pixel_list)
static void	ResetPixelList (PixelList *pixel_list)
MagickExport Image *	StatisticImage (const Image *image, const StatisticType type, const size_t width, const size_t height, ExceptionInfo *exception)

Macro Definition Documentation

EvaluateImageTag

#define EvaluateImageTag   "Evaluate/Image"

FunctionImageTag

#define FunctionImageTag   "Function/Image "

Log10Epsilon

#define Log10Epsilon   (1.0e-11)

MaxNumberImageMoments

#define MaxNumberImageMoments   8

PolynomialImageTag

#define PolynomialImageTag   "Polynomial/Image"

StatisticImageTag

#define StatisticImageTag   "Statistic/Image"

SwapPixels

#define SwapPixels	(		alpha,
			beta
	)

Value:

{ \
  Quantum gamma=(alpha); \
  (alpha)=(beta);(beta)=gamma; \
}

Typedef Documentation

PixelChannels

typedef struct _PixelChannels PixelChannels

PixelList

typedef struct _PixelList PixelList

SkipList

typedef struct _SkipList SkipList

SkipNode

typedef struct _SkipNode SkipNode

Function Documentation

AcquireImageCanvas()

static Image * AcquireImageCanvas ( const Image *  images, ExceptionInfo *  exception  )

static

Definition at line 449 of file statistic.c.

References CloneImage(), _Image::columns, MagickTrue, _Image::next, _Image::number_channels, and _Image::rows.

Referenced by EvaluateImages(), and PolynomialImage().

AcquirePixelList()

static PixelList * AcquirePixelList ( const size_t  width, const size_t  height  )

static

Definition at line 2598 of file statistic.c.

References AcquireAlignedMemory(), AcquireMagickMemory(), DestroyPixelList(), _PixelList::length, MagickCoreSignature, _SkipList::nodes, _PixelList::signature, and _PixelList::skip_list.

Referenced by AcquirePixelListTLS().

AcquirePixelListTLS()

static PixelList ** AcquirePixelListTLS ( const size_t  width, const size_t  height  )

static

Definition at line 2618 of file statistic.c.

References AcquirePixelList(), AcquireQuantumMemory(), DestroyPixelListTLS(), GetMagickResourceLimit(), and ThreadResource.

Referenced by StatisticImage().

AcquirePixelTLS()

static PixelChannels ** AcquirePixelTLS ( const Image *  images )

static

Definition at line 159 of file statistic.c.

References AcquireQuantumMemory(), _Image::columns, DestroyPixelTLS(), GetImageListLength(), GetMagickResourceLimit(), MagickMax, MaxPixelChannels, _Image::next, and ThreadResource.

Referenced by EvaluateImages(), and PolynomialImage().

AddNodePixelList()

static void AddNodePixelList ( PixelList *  pixel_list, const size_t  color  )

static

Definition at line 2645 of file statistic.c.

References _SkipNode::count, _SkipList::level, _SkipNode::next, _SkipList::nodes, _PixelList::seed, _SkipNode::signature, _PixelList::signature, and _PixelList::skip_list.

Referenced by InsertPixelList().

ApplyEvaluateOperator()

static double ApplyEvaluateOperator ( RandomInfo *  random_info, const Quantum  pixel, const MagickEvaluateOperator  op, const double  value  )

static

Definition at line 239 of file statistic.c.

References AbsEvaluateOperator, AddEvaluateOperator, AddModulusEvaluateOperator, AndEvaluateOperator, CosineEvaluateOperator, DivideEvaluateOperator, EvaluateMax(), ExponentialEvaluateOperator, GaussianNoise, GaussianNoiseEvaluateOperator, GenerateDifferentialNoise(), ImpulseNoise, ImpulseNoiseEvaluateOperator, InverseLogEvaluateOperator, LaplacianNoise, LaplacianNoiseEvaluateOperator, LeftShiftEvaluateOperator, LogEvaluateOperator, MagickEpsilon, MagickMin, MagickPI, MaxEvaluateOperator, MeanEvaluateOperator, MedianEvaluateOperator, MinEvaluateOperator, MultiplicativeGaussianNoise, MultiplicativeNoiseEvaluateOperator, MultiplyEvaluateOperator, OrEvaluateOperator, PerceptibleReciprocal(), PoissonNoise, PoissonNoiseEvaluateOperator, PowEvaluateOperator, QuantumRange, QuantumScale, random_info, RightShiftEvaluateOperator, RootMeanSquareEvaluateOperator, SetEvaluateOperator, SineEvaluateOperator, SubtractEvaluateOperator, SumEvaluateOperator, ThresholdBlackEvaluateOperator, ThresholdEvaluateOperator, ThresholdWhiteEvaluateOperator, UndefinedEvaluateOperator, UniformNoise, UniformNoiseEvaluateOperator, and XorEvaluateOperator.

Referenced by EvaluateImage(), and EvaluateImages().

ApplyFunction()

static Quantum ApplyFunction ( Quantum  pixel, const MagickFunction  function, const size_t  number_parameters, const double *  parameters, ExceptionInfo *  exception  )

static

Definition at line 976 of file statistic.c.

References ArcsinFunction, ArctanFunction, ClampToQuantum(), MagickPI, PerceptibleReciprocal(), PolynomialFunction, QuantumRange, QuantumScale, SinusoidFunction, and UndefinedFunction.

Referenced by FunctionImage().

DestroyPixelList()

static PixelList * DestroyPixelList ( PixelList *  pixel_list )

static

Definition at line 2574 of file statistic.c.

References _SkipList::nodes, RelinquishAlignedMemory(), RelinquishMagickMemory(), and _PixelList::skip_list.

Referenced by AcquirePixelList(), and DestroyPixelListTLS().

DestroyPixelListTLS()

static PixelList ** DestroyPixelListTLS ( PixelList **  pixel_list )

static

Definition at line 2585 of file statistic.c.

References DestroyPixelList(), GetMagickResourceLimit(), RelinquishMagickMemory(), and ThreadResource.

Referenced by AcquirePixelListTLS(), and StatisticImage().

DestroyPixelTLS()

static PixelChannels ** DestroyPixelTLS ( const Image *  images, PixelChannels **  pixels  )

static

Definition at line 140 of file statistic.c.

References GetImageListLength(), GetMagickResourceLimit(), MagickMax, RelinquishMagickMemory(), and ThreadResource.

Referenced by AcquirePixelTLS(), EvaluateImages(), and PolynomialImage().

EvaluateImage()

MagickExport MagickBooleanType EvaluateImage	(	Image *	image,
		const MagickEvaluateOperator	op,
		const double	value,
		ExceptionInfo *	exception
	)

Definition at line 829 of file statistic.c.

References AcquireAuthenticCacheView(), AcquireRandomInfoTLS(), ApplyEvaluateOperator(), ClampPixel(), ClampToQuantum(), _Image::columns, CopyPixelTrait, DestroyCacheView(), DestroyRandomInfoTLS(), DirectClass, EvaluateImageTag, _Image::filename, GetCacheViewAuthenticPixels(), GetImageArtifact(), GetMagickModule, GetOpenMPThreadId(), GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), GetRandomSecretKey(), IsEventLogging(), IsStringTrue(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickTrue, MeanEvaluateOperator, _Image::progress_monitor, random_info, _Image::rows, SetImageProgress(), SetImageStorageClass(), _ExceptionInfo::signature, _Image::signature, SyncCacheViewAuthenticPixels(), TraceEvent, UndefinedPixelTrait, and UpdatePixelTrait.

EvaluateImages()

MagickExport Image * EvaluateImages	(	const Image *	images,
		const MagickEvaluateOperator	op,
		ExceptionInfo *	exception
	)

Definition at line 474 of file statistic.c.

References AcquireAuthenticCacheView(), AcquireImageCanvas(), AcquirePixelTLS(), AcquireQuantumMemory(), AcquireRandomInfoTLS(), AcquireVirtualCacheView(), AddEvaluateOperator, ApplyEvaluateOperator(), _PixelChannels::channel, ClampToQuantum(), _Image::columns, DestroyCacheView(), DestroyImage(), DestroyPixelTLS(), DestroyRandomInfoTLS(), DirectClass, EvaluateImageTag, _Image::filename, GetCacheViewVirtualPixels(), GetImageListLength(), GetMagickModule, GetNextImageInList(), GetOpenMPThreadId(), GetPixelChannel(), GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), GetRandomSecretKey(), IntensityCompare(), IsEventLogging(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickTrue, MaxPixelChannels, MeanEvaluateOperator, MedianEvaluateOperator, MultiplyEvaluateOperator, _Image::progress_monitor, QuantumScale, QueueCacheViewAuthenticPixels(), random_info, RelinquishMagickMemory(), ResourceLimitError, RootMeanSquareEvaluateOperator, _Image::rows, SetImageProgress(), SetImageStorageClass(), _ExceptionInfo::signature, _Image::signature, SyncCacheViewAuthenticPixels(), ThrowMagickException(), TraceEvent, UndefinedPixelTrait, and UpdatePixelTrait.

EvaluateMax()

static double EvaluateMax ( const double  x, const double  y  )

inlinestatic

Definition at line 204 of file statistic.c.

Referenced by ApplyEvaluateOperator().

FunctionImage()

MagickExport MagickBooleanType FunctionImage	(	Image *	image,
		const MagickFunction	function,
		const size_t	number_parameters,
		const double *	parameters,
		ExceptionInfo *	exception
	)

Definition at line 1074 of file statistic.c.

References AcquireAuthenticCacheView(), ApplyFunction(), _Image::columns, DestroyCacheView(), DirectClass, _Image::filename, FunctionImageTag, GetCacheViewAuthenticPixels(), GetMagickModule, GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), IsEventLogging(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickTrue, _Image::progress_monitor, _Image::rows, SetImageProgress(), SetImageStorageClass(), _ExceptionInfo::signature, _Image::signature, SyncCacheViewAuthenticPixels(), TraceEvent, UndefinedPixelTrait, and UpdatePixelTrait.

Referenced by BrightnessContrastImage().

GetImageEntropy()

MagickExport MagickBooleanType GetImageEntropy	(	const Image *	image,
		double *	entropy,
		ExceptionInfo *	exception
	)

Definition at line 1193 of file statistic.c.

References CompositePixelChannel, _ChannelStatistics::entropy, _Image::filename, GetImageStatistics(), GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, RelinquishMagickMemory(), _Image::signature, and TraceEvent.

Referenced by GetMagickProperty().

GetImageExtrema()

MagickExport MagickBooleanType GetImageExtrema	(	const Image *	image,
		size_t *	minima,
		size_t *	maxima,
		ExceptionInfo *	exception
	)

Definition at line 1241 of file statistic.c.

References _Image::filename, GetImageRange(), GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, _Image::signature, and TraceEvent.

GetImageKurtosis()

MagickExport MagickBooleanType GetImageKurtosis	(	const Image *	image,
		double *	kurtosis,
		double *	skewness,
		ExceptionInfo *	exception
	)

Definition at line 1291 of file statistic.c.

References CompositePixelChannel, _Image::filename, GetImageStatistics(), GetMagickModule, IsEventLogging(), _ChannelStatistics::kurtosis, LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, RelinquishMagickMemory(), _Image::signature, _ChannelStatistics::skewness, and TraceEvent.

Referenced by GetMagickProperty().

GetImageMean()

MagickExport MagickBooleanType GetImageMean	(	const Image *	image,
		double *	mean,
		double *	standard_deviation,
		ExceptionInfo *	exception
	)

Definition at line 1341 of file statistic.c.

References CompositePixelChannel, _Image::filename, GetImageStatistics(), GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, _ChannelStatistics::mean, RelinquishMagickMemory(), _Image::signature, _ChannelStatistics::standard_deviation, and TraceEvent.

Referenced by AutoGammaImage(), and GetMagickProperty().

GetImageMedian()

MagickExport MagickBooleanType GetImageMedian	(	const Image *	image,
		double *	median,
		ExceptionInfo *	exception
	)

Definition at line 1389 of file statistic.c.

References CompositePixelChannel, _Image::filename, GetImageStatistics(), GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, _ChannelStatistics::median, RelinquishMagickMemory(), _Image::signature, and TraceEvent.

Referenced by GetMagickProperty().

GetImageMoments()

MagickExport ChannelMoments * GetImageMoments	(	const Image *	image,
		ExceptionInfo *	exception
	)

Definition at line 1434 of file statistic.c.

References AcquireQuantumMemory(), AcquireVirtualCacheView(), _ChannelMoments::centroid, _Image::columns, DestroyCacheView(), _ChannelMoments::ellipse_angle, _ChannelMoments::ellipse_axis, _ChannelMoments::ellipse_eccentricity, _ChannelMoments::ellipse_intensity, _Image::filename, GetCacheViewVirtualPixels(), GetImageChannels(), GetMagickModule, GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), _ChannelMoments::invariant, IsEventLogging(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickEpsilon, MagickFalse, MagickPI, MaxPixelChannels, PerceptibleReciprocal(), QuantumScale, RadiansToDegrees(), RelinquishMagickMemory(), _Image::rows, _Image::signature, TraceEvent, UndefinedPixelTrait, UpdatePixelTrait, _PointInfo::x, and _PointInfo::y.

Referenced by GetImagePerceptualHash(), and IdentifyImage().

GetImagePerceptualHash()

MagickExport ChannelPerceptualHash * GetImagePerceptualHash	(	const Image *	image,
		ExceptionInfo *	exception
	)

Definition at line 1736 of file statistic.c.

References AcquireQuantumMemory(), AcquireString(), BlurImage(), _ChannelPerceptualHash::colorspace, _Image::depth, DestroyImage(), DestroyString(), GetImageArtifact(), GetImageChannels(), GetImageMoments(), MagickColorspaceOptions, MagickFalse, MagickLog10(), MaximumNumberOfImageMoments, MaximumNumberOfPerceptualColorspaces, MaxPixelChannels, _ChannelPerceptualHash::number_channels, _ChannelPerceptualHash::number_colorspaces, ParseCommandOption(), RelinquishMagickMemory(), StringToken(), and TransformImageColorspace().

Referenced by GetPerceptualHashDistortion(), and IdentifyImage().

GetImageRange()

MagickExport MagickBooleanType GetImageRange	(	const Image *	image,
		double *	minima,
		double *	maxima,
		ExceptionInfo *	exception
	)

Definition at line 1842 of file statistic.c.

References AcquireVirtualCacheView(), _Image::columns, DestroyCacheView(), _Image::filename, GetCacheViewVirtualPixels(), GetMagickModule, GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), IsEventLogging(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickTrue, _Image::rows, _Image::signature, TraceEvent, UndefinedPixelTrait, and UpdatePixelTrait.

Referenced by GetImageExtrema(), GetMagickProperty(), and MinMaxStretchImage().

GetImageStatistics()

MagickExport ChannelStatistics * GetImageStatistics	(	const Image *	image,
		ExceptionInfo *	exception
	)

Definition at line 2029 of file statistic.c.

References AcquireQuantumMemory(), AcquireVirtualMemory(), _ChannelStatistics::area, ClampToQuantum(), _Image::columns, CompositePixelChannel, _ChannelStatistics::depth, _ChannelStatistics::entropy, _Image::filename, GetImageChannels(), GetMagickModule, GetMedianPixel(), GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), GetPixelReadMask(), GetQuantumRange(), GetVirtualMemoryBlob(), GetVirtualPixels(), IsEventLogging(), _ChannelStatistics::kurtosis, LogMagickEvent(), magick_restrict, MAGICKCORE_QUANTUM_DEPTH, MagickCoreSignature, MagickFalse, MagickLog10(), MagickMaximumValue, MagickTrue, _ChannelStatistics::maxima, MaxMap, MaxPixelChannels, _ChannelStatistics::mean, _ChannelStatistics::median, _ChannelStatistics::minima, PerceptibleReciprocal(), QuantumRange, RelinquishMagickMemory(), RelinquishVirtualMemory(), ResourceLimitError, _Image::rows, ScaleAnyToQuantum(), ScaleQuantumToAny(), _Image::signature, _ChannelStatistics::skewness, _ChannelStatistics::standard_deviation, _ChannelStatistics::sum, _ChannelStatistics::sum_cubed, _ChannelStatistics::sum_fourth_power, _ChannelStatistics::sum_squared, ThrowMagickException(), TraceEvent, UndefinedPixelTrait, UpdatePixelTrait, and _ChannelStatistics::variance.

Referenced by CollectOneImgStats(), GetImageEntropy(), GetImageKurtosis(), GetImageMean(), GetImageMedian(), GetNormalizedCrossCorrelationDistortion(), and IdentifyImage().

GetMedianPixel()

static ssize_t GetMedianPixel ( Quantum *  pixels, const size_t  n  )

static

Definition at line 1978 of file statistic.c.

References SwapPixels.

Referenced by GetImageStatistics().

GetMedianPixelList()

static void GetMedianPixelList ( PixelList *  pixel_list, Quantum *  pixel  )

inlinestatic

Definition at line 2704 of file statistic.c.

References _SkipNode::count, _PixelList::length, _SkipNode::next, _SkipList::nodes, and _PixelList::skip_list.

Referenced by StatisticImage().

GetModePixelList()

static void GetModePixelList ( PixelList *  pixel_list, Quantum *  pixel  )

inlinestatic

Definition at line 2729 of file statistic.c.

References _SkipNode::count, _PixelList::length, _SkipNode::next, _SkipList::nodes, and _PixelList::skip_list.

Referenced by StatisticImage().

GetNonpeakPixelList()

static void GetNonpeakPixelList ( PixelList *  pixel_list, Quantum *  pixel  )

inlinestatic

Definition at line 2763 of file statistic.c.

References _SkipNode::count, _PixelList::length, _SkipNode::next, _SkipList::nodes, and _PixelList::skip_list.

Referenced by StatisticImage().

InsertPixelList()

static void InsertPixelList ( const Quantum  pixel, PixelList *  pixel_list  )

inlinestatic

Definition at line 2798 of file statistic.c.

References AddNodePixelList(), _SkipNode::count, _SkipList::nodes, _SkipNode::signature, _PixelList::signature, and _PixelList::skip_list.

Referenced by StatisticImage().

IntensityCompare()

static int IntensityCompare ( const void *  x, const void *  y  )

static

Definition at line 215 of file statistic.c.

References _PixelChannels::channel, and MaxPixelChannels.

Referenced by EvaluateImages().

MagickLog10()

static double MagickLog10 ( const double  x )

inlinestatic

Definition at line 1727 of file statistic.c.

References Log10Epsilon.

Referenced by GetImagePerceptualHash(), and GetImageStatistics().

PolynomialImage()

MagickExport Image * PolynomialImage	(	const Image *	images,
		const size_t	number_terms,
		const double *	terms,
		ExceptionInfo *	exception
	)

Definition at line 2338 of file statistic.c.

References AcquireAuthenticCacheView(), AcquireImageCanvas(), AcquirePixelTLS(), AcquireVirtualCacheView(), _PixelChannels::channel, ClampToQuantum(), _Image::columns, DestroyCacheView(), DestroyImage(), DestroyPixelTLS(), DirectClass, _Image::filename, GetCacheViewVirtualPixels(), GetImageListLength(), GetMagickModule, GetNextImageInList(), GetOpenMPThreadId(), GetPixelChannel(), GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), IsEventLogging(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickTrue, MaxPixelChannels, PolynomialImageTag, _Image::progress_monitor, QuantumRange, QuantumScale, QueueCacheViewAuthenticPixels(), ResourceLimitError, _Image::rows, SetImageProgress(), SetImageStorageClass(), _ExceptionInfo::signature, _Image::signature, SyncCacheViewAuthenticPixels(), ThrowMagickException(), TraceEvent, UndefinedPixelTrait, and UpdatePixelTrait.

ResetPixelList()

static void ResetPixelList ( PixelList *  pixel_list )

static

Definition at line 2816 of file statistic.c.

References _SkipList::level, _SkipNode::next, _SkipList::nodes, _PixelList::seed, _PixelList::signature, and _PixelList::skip_list.

Referenced by StatisticImage().

StatisticImage()

MagickExport Image * StatisticImage	(	const Image *	image,
		const StatisticType	type,
		const size_t	width,
		const size_t	height,
		ExceptionInfo *	exception
	)

Definition at line 2838 of file statistic.c.

References AcquireAuthenticCacheView(), AcquirePixelListTLS(), AcquireVirtualCacheView(), ClampToQuantum(), CloneImage(), _Image::columns, ContrastStatistic, CopyPixelTrait, DestroyCacheView(), DestroyImage(), DestroyPixelListTLS(), DirectClass, _Image::filename, GetCacheViewVirtualPixels(), GetMagickModule, GetMedianPixelList(), GetModePixelList(), GetNonpeakPixelList(), GetOpenMPThreadId(), GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), GetPixelWriteMask(), GradientStatistic, InsertPixelList(), IsEventLogging(), LogMagickEvent(), magick_restrict, MagickAbsoluteValue, MagickCoreSignature, MagickFalse, MagickMax, MagickTrue, MaximumStatistic, MeanStatistic, MedianStatistic, MinimumStatistic, ModeStatistic, NonpeakStatistic, PerceptibleReciprocal(), _Image::progress_monitor, QuantumRange, QueueCacheViewAuthenticPixels(), ResetPixelList(), ResourceLimitError, RootMeanSquareStatistic, _Image::rows, SetImageProgress(), SetImageStorageClass(), SetPixelChannel(), _ExceptionInfo::signature, _Image::signature, StandardDeviationStatistic, StatisticImageTag, SyncCacheViewAuthenticPixels(), ThrowImageException, TraceEvent, UndefinedPixelTrait, and UpdatePixelTrait.

Referenced by DeskewImage(), and PreviewImage().