Class: OpenCV::Cv::Ml::SVM

Inherits:
Object
  • Object
show all
Extended by:
FFI::DataConverter
Defined in:
lib/ropencv/ropencv_types.rb

Constants collapse

C_SVC = 
100
NU_SVC = 
101
ONE_CLASS = 
102
EPS_SVR = 
103
NU_SVR = 
104
CUSTOM = 
-1
LINEAR = 
0
POLY = 
1
RBF = 
2
SIGMOID = 
3
CHI2 = 
4
INTER = 
5
C = 
0
GAMMA = 
1
P = 
2
NU = 
3
COEF = 
4
DEGREE = 
5

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.create ⇒ Cv::Ptr::Cv_Ml_SVM

Note:

wrapper for static method const cv::Ptrcv::ml::SVM cv::ml::SVM::create()

Returns:



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# File 'lib/ropencv/ropencv_types.rb', line 48686

def self.create()
    Rbind::cv_ml_svm_create()
end

.get_default_grid_ptr(param_id) ⇒ Cv::Ptr::Cv_Ml_ParamGrid Also known as: getDefaultGridPtr

Note:

wrapper for static method const cv::Ptrcv::ml::ParamGrid cv::ml::SVM::getDefaultGridPtr(int param_id)

Parameters:

  • param_id (Fixnum)

Returns:



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# File 'lib/ropencv/ropencv_types.rb', line 48679

def self.get_default_grid_ptr(param_id)
    Rbind::cv_ml_svm_get_default_grid_ptr(param_id)
end

.load(filepath) ⇒ Cv::Ptr::Cv_Ml_SVM

Note:

wrapper for static method const cv::Ptrcv::ml::SVM cv::ml::SVM::load(const std::string filepath)

Parameters:

Returns:



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# File 'lib/ropencv/ropencv_types.rb', line 48693

def self.load(filepath)
    Rbind::cv_ml_svm_load(filepath)
end

.new(*args) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/ropencv/ropencv_types.rb', line 48340

def self.new(*args)
    if args.first.is_a?(FFI::Pointer) || args.first.is_a?(SVMStruct)
        raise ArgumentError, "too many arguments for creating #{self.name} from Pointer" unless args.size == 1
        return super(args.first)
    end

    raise ArgumentError, "no constructor for #{self}(#{args.inspect})"
end

.null ⇒ Object

returns a null pointer to the object



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# File 'lib/ropencv/ropencv_types.rb', line 48336

def self.null
    new(SVMStruct.new)
end

Instance Method Details

#calc_error(data, test, resp) ⇒ Float Also known as: calcError

Note:

method wrapper for float cv::ml::SVM::calcError(const cv::Ptrcv::ml::TrainData data, bool test, cv::Mat& resp)

Parameters:

Returns:

  • (Float) 


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# File 'lib/ropencv/ropencv_types.rb', line 48791

def calc_error(data, test, resp)
    __validate_pointer__
    Rbind::cv_ml_svm_calc_error( self, data, test, resp)
end

#cast_to_algorithm(parse_ownership) ⇒ Cv::Algorithm Also known as: castToAlgorithm

Note:

method wrapper for cv::Algorithm* cv::ml::SVM::castToAlgorithm(bool parse_ownership)

Parameters:

  • parse_ownership (Bool)

Returns:



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# File 'lib/ropencv/ropencv_types.rb', line 48810

def cast_to_algorithm(parse_ownership)
    __validate_pointer__
    result = Rbind::cv_ml_svm_cast_to_algorithm( self, parse_ownership)
    if result.respond_to?(:__owner__?) && !result.__owner__?
    # store owner insight the pointer to not get garbage collected
        result.instance_variable_get(:@__obj_ptr__).instance_variable_set(:@__owner__,self) 
    end
    result
end

#cast_to_stat_model(parse_ownership) ⇒ Cv::Ml::StatModel Also known as: castToStatModel

Note:

method wrapper for cv::ml::StatModel* cv::ml::SVM::castToStatModel(bool parse_ownership)

Parameters:

  • parse_ownership (Bool)

Returns:



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# File 'lib/ropencv/ropencv_types.rb', line 48700

def cast_to_stat_model(parse_ownership)
    __validate_pointer__
    result = Rbind::cv_ml_svm_cast_to_stat_model( self, parse_ownership)
    if result.respond_to?(:__owner__?) && !result.__owner__?
    # store owner insight the pointer to not get garbage collected
        result.instance_variable_get(:@__obj_ptr__).instance_variable_set(:@__owner__,self) 
    end
    result
end

#clear ⇒ Void

Note:

method wrapper for void cv::ml::SVM::clear()

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 48823

def clear()
    __validate_pointer__
    Rbind::cv_ml_svm_clear( self)
end

#empty ⇒ Bool

Note:

method wrapper for bool cv::ml::SVM::empty()

Returns:

  • (Bool) 


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# File 'lib/ropencv/ropencv_types.rb', line 48721

def empty()
    __validate_pointer__
    Rbind::cv_ml_svm_empty( self)
end

#get_class_weights ⇒ Cv::Mat Also known as: getClassWeights

Note:

method wrapper for const cv::Mat cv::ml::SVM::getClassWeights()

Returns:



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# File 'lib/ropencv/ropencv_types.rb', line 48561

def get_class_weights()
    __validate_pointer__
    result = Rbind::cv_ml_svm_get_class_weights( self)
    if result.respond_to?(:__owner__?) && !result.__owner__?
    # store owner insight the pointer to not get garbage collected
        result.instance_variable_get(:@__obj_ptr__).instance_variable_set(:@__owner__,self) 
    end
    result
end

#get_coef0 ⇒ Double Also known as: getCoef0

Note:

method wrapper for double cv::ml::SVM::getCoef0()

Returns:

  • (Double) 


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# File 'lib/ropencv/ropencv_types.rb', line 48476

def get_coef0()
    __validate_pointer__
    Rbind::cv_ml_svm_get_coef0( self)
end

#get_decision_function(i, alpha, svidx) ⇒ Double Also known as: getDecisionFunction

Note:

method wrapper for double cv::ml::SVM::getDecisionFunction(int i, cv::Mat& alpha, cv::Mat& svidx)

Parameters:

Returns:

  • (Double) 


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# File 'lib/ropencv/ropencv_types.rb', line 48670

def get_decision_function(i, alpha, svidx)
    __validate_pointer__
    Rbind::cv_ml_svm_get_decision_function( self, i, alpha, svidx)
end

#get_default_name ⇒ Std::String Also known as: getDefaultName

Note:

method wrapper for const std::string cv::ml::SVM::getDefaultName()

Returns:



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# File 'lib/ropencv/ropencv_types.rb', line 48855

def get_default_name()
    __validate_pointer__
    result = Rbind::cv_ml_svm_get_default_name( self)
    if result.respond_to?(:__owner__?) && !result.__owner__?
    # store owner insight the pointer to not get garbage collected
        result.instance_variable_get(:@__obj_ptr__).instance_variable_set(:@__owner__,self) 
    end
    result
end

#get_degree ⇒ Double Also known as: getDegree

Note:

method wrapper for double cv::ml::SVM::getDegree()

Returns:

  • (Double) 


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# File 'lib/ropencv/ropencv_types.rb', line 48493

def get_degree()
    __validate_pointer__
    Rbind::cv_ml_svm_get_degree( self)
end

#get_gamma ⇒ Double Also known as: getGamma

Note:

method wrapper for double cv::ml::SVM::getGamma()

Returns:

  • (Double) 


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# File 'lib/ropencv/ropencv_types.rb', line 48459

def get_gamma()
    __validate_pointer__
    Rbind::cv_ml_svm_get_gamma( self)
end

#get_kernel_type ⇒ Fixnum Also known as: getKernelType

Note:

method wrapper for int cv::ml::SVM::getKernelType()

Returns:

  • (Fixnum) 


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# File 'lib/ropencv/ropencv_types.rb', line 48605

def get_kernel_type()
    __validate_pointer__
    Rbind::cv_ml_svm_get_kernel_type( self)
end

#get_nu ⇒ Double Also known as: getNu

Note:

method wrapper for double cv::ml::SVM::getNu()

Returns:

  • (Double) 


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# File 'lib/ropencv/ropencv_types.rb', line 48527

def get_nu()
    __validate_pointer__
    Rbind::cv_ml_svm_get_nu( self)
end

#get_support_vectors ⇒ Cv::Mat Also known as: getSupportVectors

Note:

method wrapper for const cv::Mat cv::ml::SVM::getSupportVectors()

Returns:



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# File 'lib/ropencv/ropencv_types.rb', line 48641

def get_support_vectors()
    __validate_pointer__
    result = Rbind::cv_ml_svm_get_support_vectors( self)
    if result.respond_to?(:__owner__?) && !result.__owner__?
    # store owner insight the pointer to not get garbage collected
        result.instance_variable_get(:@__obj_ptr__).instance_variable_set(:@__owner__,self) 
    end
    result
end

#get_term_criteria ⇒ Cv::TermCriteria Also known as: getTermCriteria

Note:

method wrapper for const cv::TermCriteria cv::ml::SVM::getTermCriteria()

Returns:



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# File 'lib/ropencv/ropencv_types.rb', line 48583

def get_term_criteria()
    __validate_pointer__
    result = Rbind::cv_ml_svm_get_term_criteria( self)
    if result.respond_to?(:__owner__?) && !result.__owner__?
    # store owner insight the pointer to not get garbage collected
        result.instance_variable_get(:@__obj_ptr__).instance_variable_set(:@__owner__,self) 
    end
    result
end

#get_type ⇒ Fixnum Also known as: getType

Note:

method wrapper for int cv::ml::SVM::getType()

methods

Returns:

  • (Fixnum) 


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# File 'lib/ropencv/ropencv_types.rb', line 48442

def get_type()
    __validate_pointer__
    Rbind::cv_ml_svm_get_type( self)
end

#get_uncompressed_support_vectors ⇒ Cv::Mat Also known as: getUncompressedSupportVectors

Note:

method wrapper for const cv::Mat cv::ml::SVM::getUncompressedSupportVectors()

Returns:



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# File 'lib/ropencv/ropencv_types.rb', line 48654

def get_uncompressed_support_vectors()
    __validate_pointer__
    result = Rbind::cv_ml_svm_get_uncompressed_support_vectors( self)
    if result.respond_to?(:__owner__?) && !result.__owner__?
    # store owner insight the pointer to not get garbage collected
        result.instance_variable_get(:@__obj_ptr__).instance_variable_set(:@__owner__,self) 
    end
    result
end

#get_var_count ⇒ Fixnum Also known as: getVarCount

Note:

method wrapper for int cv::ml::SVM::getVarCount()

Returns:

  • (Fixnum) 


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# File 'lib/ropencv/ropencv_types.rb', line 48713

def get_var_count()
    __validate_pointer__
    Rbind::cv_ml_svm_get_var_count( self)
end

#getc ⇒ Double Also known as: getC

Note:

method wrapper for double cv::ml::SVM::getC()

Returns:

  • (Double) 


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# File 'lib/ropencv/ropencv_types.rb', line 48510

def getc()
    __validate_pointer__
    Rbind::cv_ml_svm_getc( self)
end

#getp ⇒ Double Also known as: getP

Note:

method wrapper for double cv::ml::SVM::getP()

Returns:

  • (Double) 


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# File 'lib/ropencv/ropencv_types.rb', line 48544

def getp()
    __validate_pointer__
    Rbind::cv_ml_svm_getp( self)
end

#is_classifier ⇒ Bool Also known as: isClassifier

Note:

method wrapper for bool cv::ml::SVM::isClassifier()

Returns:

  • (Bool) 


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# File 'lib/ropencv/ropencv_types.rb', line 48736

def is_classifier()
    __validate_pointer__
    Rbind::cv_ml_svm_is_classifier( self)
end

#is_trained ⇒ Bool Also known as: isTrained

Note:

method wrapper for bool cv::ml::SVM::isTrained()

Returns:

  • (Bool) 


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# File 'lib/ropencv/ropencv_types.rb', line 48728

def is_trained()
    __validate_pointer__
    Rbind::cv_ml_svm_is_trained( self)
end

#predict(samples, results = Cv::Mat.new(), flags = 0) ⇒ Float

Note:

method wrapper for float cv::ml::SVM::predict(const cv::Mat samples, const cv::Mat results = Mat()/O, int flags = 0)

Parameters:

  • samples (Cv::Mat)
  • results (Cv::Mat) (defaults to: Cv::Mat.new())
  • flags (Fixnum) (defaults to: 0)

Returns:

  • (Float) 


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# File 'lib/ropencv/ropencv_types.rb', line 48802

def predict(samples, results = Cv::Mat.new(), flags = 0)
    __validate_pointer__
    Rbind::cv_ml_svm_predict( self, samples, results, flags)
end

#read(fn) ⇒ Void

Note:

method wrapper for void cv::ml::SVM::read(const cv::FileNode fn)

Parameters:

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 48840

def read(fn)
    __validate_pointer__
    Rbind::cv_ml_svm_read( self, fn)
end

#save(filename) ⇒ Void

Note:

method wrapper for void cv::ml::SVM::save(const std::string filename)

Parameters:

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 48848

def save(filename)
    __validate_pointer__
    Rbind::cv_ml_svm_save( self, filename)
end

#set_class_weights(val) ⇒ Void Also known as: setClassWeights

Note:

method wrapper for void cv::ml::SVM::setClassWeights(const cv::Mat val)

Parameters:

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 48575

def set_class_weights(val)
    __validate_pointer__
    Rbind::cv_ml_svm_set_class_weights( self, val)
end

#set_coef0(val) ⇒ Void Also known as: setCoef0

Note:

method wrapper for void cv::ml::SVM::setCoef0(double val)

Parameters:

  • val (Double)

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 48485

def set_coef0(val)
    __validate_pointer__
    Rbind::cv_ml_svm_set_coef0( self, val)
end

#set_degree(val) ⇒ Void Also known as: setDegree

Note:

method wrapper for void cv::ml::SVM::setDegree(double val)

Parameters:

  • val (Double)

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 48502

def set_degree(val)
    __validate_pointer__
    Rbind::cv_ml_svm_set_degree( self, val)
end

#set_gamma(val) ⇒ Void Also known as: setGamma

Note:

method wrapper for void cv::ml::SVM::setGamma(double val)

Parameters:

  • val (Double)

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 48468

def set_gamma(val)
    __validate_pointer__
    Rbind::cv_ml_svm_set_gamma( self, val)
end

#set_kernel(kernel_type) ⇒ Void Also known as: setKernel

Note:

method wrapper for void cv::ml::SVM::setKernel(int kernelType)

Parameters:

  • kernel_type (Fixnum)

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 48614

def set_kernel(kernel_type)
    __validate_pointer__
    Rbind::cv_ml_svm_set_kernel( self, kernel_type)
end

#set_nu(val) ⇒ Void Also known as: setNu

Note:

method wrapper for void cv::ml::SVM::setNu(double val)

Parameters:

  • val (Double)

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 48536

def set_nu(val)
    __validate_pointer__
    Rbind::cv_ml_svm_set_nu( self, val)
end

#set_term_criteria(val) ⇒ Void Also known as: setTermCriteria

Note:

method wrapper for void cv::ml::SVM::setTermCriteria(const cv::TermCriteria val)

Parameters:

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 48597

def set_term_criteria(val)
    __validate_pointer__
    Rbind::cv_ml_svm_set_term_criteria( self, val)
end

#set_type(val) ⇒ Void Also known as: setType

Note:

method wrapper for void cv::ml::SVM::setType(int val)

Parameters:

  • val (Fixnum)

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 48451

def set_type(val)
    __validate_pointer__
    Rbind::cv_ml_svm_set_type( self, val)
end

#setc(val) ⇒ Void Also known as: setC

Note:

method wrapper for void cv::ml::SVM::setC(double val)

Parameters:

  • val (Double)

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 48519

def setc(val)
    __validate_pointer__
    Rbind::cv_ml_svm_setc( self, val)
end

#setp(val) ⇒ Void Also known as: setP

Note:

method wrapper for void cv::ml::SVM::setP(double val)

Parameters:

  • val (Double)

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 48553

def setp(val)
    __validate_pointer__
    Rbind::cv_ml_svm_setp( self, val)
end

#to_s ⇒ Object

converts SVM into a string by crawling through all its attributes



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# File 'lib/ropencv/ropencv_types.rb', line 48413

def to_s
    "#<cv::ml::SVM >"
end

#train(train_data, flags = 0) ⇒ Bool #train(samples, layout, responses) ⇒ Bool

Note:

wrapper for overloaded method train

Overloads:

  • #train(train_data, flags = 0) ⇒ Bool

    Parameters:

    Returns:

    • (Bool)
  • #train(samples, layout, responses) ⇒ Bool

    Parameters:

    Returns:

    • (Bool)

Raises:

  • (ArgumentError) 


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# File 'lib/ropencv/ropencv_types.rb', line 48753

def train(*args)
    __validate_pointer__
    # overloaded method wrapper for bool cv::ml::SVM::train(const cv::Ptr<cv::ml::TrainData> trainData, int flags = 0)
    @@cv_ml_svm_train_defaults0 ||= [nil, 0]
    if(args.size >= 1 && args.size <= 2)
        targs = args.clone
        targs.size.upto(1) do |i|
            targs[i] = @@cv_ml_svm_train_defaults0[i]
        end
        begin
                return Rbind::cv_ml_svm_train(self,*targs)
        rescue TypeError => e
            @error = e
        end
    end

    # overloaded method wrapper for bool cv::ml::SVM::train(const cv::Mat samples, int layout, const cv::Mat responses)
    @@cv_ml_svm_train__2_defaults1 ||= [nil, nil, nil]
    if(args.size >= 3 && args.size <= 3)
        targs = args.clone
        targs.size.upto(2) do |i|
            targs[i] = @@cv_ml_svm_train__2_defaults1[i]
        end
        begin
                return Rbind::cv_ml_svm_train__2(self,*targs)
        rescue TypeError => e
            @error = e
        end
    end

    raise ArgumentError, "No overloaded signature fits to: #{args.map(&:class)}"
end

#train_auto(samples, layout, responses, k_fold = 10, cgrid = Cv::Ml::SVM::get_default_grid_ptr(SVM::C), gamma_grid = Cv::Ml::SVM::get_default_grid_ptr(SVM::GAMMA), p_grid = Cv::Ml::SVM::get_default_grid_ptr(SVM::P), nu_grid = Cv::Ml::SVM::get_default_grid_ptr(SVM::NU), coeff_grid = Cv::Ml::SVM::get_default_grid_ptr(SVM::COEF), degree_grid = Cv::Ml::SVM::get_default_grid_ptr(SVM::DEGREE), balanced = false) ⇒ Bool Also known as: trainAuto

Note:

method wrapper for bool cv::ml::SVM::trainAuto(const cv::Mat samples, int layout, const cv::Mat responses, int kFold = 10, const cv::Ptrcv::ml::ParamGrid Cgrid = SVM::getDefaultGridPtr(SVM::C), const cv::Ptrcv::ml::ParamGrid gammaGrid = SVM::getDefaultGridPtr(SVM::GAMMA), const cv::Ptrcv::ml::ParamGrid pGrid = SVM::getDefaultGridPtr(SVM::P), const cv::Ptrcv::ml::ParamGrid nuGrid = SVM::getDefaultGridPtr(SVM::NU), const cv::Ptrcv::ml::ParamGrid coeffGrid = SVM::getDefaultGridPtr(SVM::COEF), const cv::Ptrcv::ml::ParamGrid degreeGrid = SVM::getDefaultGridPtr(SVM::DEGREE), bool balanced = false)

Parameters:

Returns:

  • (Bool) 


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# File 'lib/ropencv/ropencv_types.rb', line 48633

def train_auto(samples, layout, responses, k_fold = 10, cgrid = Cv::Ml::SVM::get_default_grid_ptr(SVM::C), gamma_grid = Cv::Ml::SVM::get_default_grid_ptr(SVM::GAMMA), p_grid = Cv::Ml::SVM::get_default_grid_ptr(SVM::P), nu_grid = Cv::Ml::SVM::get_default_grid_ptr(SVM::NU), coeff_grid = Cv::Ml::SVM::get_default_grid_ptr(SVM::COEF), degree_grid = Cv::Ml::SVM::get_default_grid_ptr(SVM::DEGREE), balanced = false)
    __validate_pointer__
    Rbind::cv_ml_svm_train_auto( self, samples, layout, responses, k_fold, cgrid, gamma_grid, p_grid, nu_grid, coeff_grid, degree_grid, balanced)
end

#write(fs, name = Std::String.new()) ⇒ Void

Note:

method wrapper for void cv::ml::SVM::write(const cv::Ptrcv::FileStorage fs, const std::string name = String())

Parameters:

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 48832

def write(fs, name = Std::String.new())
    __validate_pointer__
    Rbind::cv_ml_svm_write( self, fs, name)
end