Class: OpenCV::CvKNearest

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

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.cast_from_cv_stat_model(ptr) ⇒ CvKNearest Also known as: castFromCvStatModel

Note:

wrapper for static method CvKNearest* CvKNearest::castFromCvStatModel(CvStatModel* ptr)

Parameters:

Returns:



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# File 'lib/ropencv/ropencv_types.rb', line 42379

def self.cast_from_cv_stat_model(ptr)
    Rbind::cvk_nearest_cast_from_cv_stat_model(ptr)
end

.cvk_nearest ⇒ Object .cvk_nearest(train_data, responses, sample_idx = Cv::Mat.new(), is_regression = false, max_k = 32) ⇒ Object

Overloads:

  • .cvk_nearest(train_data, responses, sample_idx = Cv::Mat.new(), is_regression = false, max_k = 32) ⇒ Object

    Parameters:

    • train_data (Cv::Mat)
    • responses (Cv::Mat)
    • sample_idx (Cv::Mat) (defaults to: Cv::Mat.new())
    • is_regression (Bool) (defaults to: false)
    • max_k (Fixnum) (defaults to: 32)

Raises:

  • (ArgumentError) 


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# File 'lib/ropencv/ropencv_types.rb', line 42229

def self.new(*args)
    if args.first.is_a?(FFI::Pointer) || args.first.is_a?(CvKNearestStruct)
        raise ArgumentError, "too many arguments for creating #{self.name} from Pointer" unless args.size == 1
        return super(args.first)
    end
    # overloaded method wrapper for CvKNearest::CvKNearest()
    @@cvk_nearest_cvk_nearest_defaults0 ||= []
    if(args.size >= 0 && args.size <= 0)
        targs = args.clone
        targs.size.upto(-1) do |i|
            targs[i] = @@cvk_nearest_cvk_nearest_defaults0[i]
        end
        begin
                return Rbind::cvk_nearest_cvk_nearest(*targs)
        rescue TypeError => e
            @error = e
        end
    end

    # overloaded method wrapper for CvKNearest::CvKNearest(const cv::Mat trainData, const cv::Mat responses, const cv::Mat sampleIdx = cv::Mat(), bool isRegression = false, int max_k = 32)
    @@cvk_nearest_cvk_nearest2_defaults1 ||= [nil, nil, Cv::Mat.new(), false, 32]
    if(args.size >= 2 && args.size <= 5)
        targs = args.clone
        targs.size.upto(4) do |i|
            targs[i] = @@cvk_nearest_cvk_nearest2_defaults1[i]
        end
        begin
                return Rbind::cvk_nearest_cvk_nearest2(*targs)
        rescue TypeError => e
            @error = e
        end
    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 42217

def self.null
    new(CvKNearestStruct.new)
end

Instance Method Details

#cast_to_cv_stat_model ⇒ CvStatModel Also known as: castToCvStatModel

Note:

method wrapper for CvStatModel* CvKNearest::castToCvStatModel()

Returns:



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# File 'lib/ropencv/ropencv_types.rb', line 42365

def cast_to_cv_stat_model()
    __validate_pointer__
    result = Rbind::cvk_nearest_cast_to_cv_stat_model( 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

#find_nearest(samples, k, results, neighbor_responses, dists) ⇒ Float

Note:

method wrapper for float CvKNearest::find_nearest(const cv::Mat samples, int k, cv::Mat& results, cv::Mat& neighborResponses, cv::Mat& dists)

Parameters:

Returns:

  • (Float) 


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# File 'lib/ropencv/ropencv_types.rb', line 42358

def find_nearest(samples, k, results, neighbor_responses, dists)
    __validate_pointer__
    Rbind::cvk_nearest_find_nearest( self, samples, k, results, neighbor_responses, dists)
end

#load(filename, name = 0) ⇒ Void

Note:

method wrapper for void CvKNearest::load(c_string filename, c_string name = 0)

Parameters:

  • filename (C_string)
  • name (C_string) (defaults to: 0)

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 42397

def load(filename, name = 0)
    __validate_pointer__
    Rbind::cvk_nearest_load( self, filename, name)
end

#save(filename, name = 0) ⇒ Void

Note:

method wrapper for void CvKNearest::save(c_string filename, c_string name = 0)

Parameters:

  • filename (C_string)
  • name (C_string) (defaults to: 0)

Returns:

  • (Void) 


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# File 'lib/ropencv/ropencv_types.rb', line 42388

def save(filename, name = 0)
    __validate_pointer__
    Rbind::cvk_nearest_save( self, filename, name)
end

#to_s ⇒ Object

converts CvKNearest into a string by crawling through all its attributes



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# File 'lib/ropencv/ropencv_types.rb', line 42329

def to_s
    "#<CvKNearest >"
end

#train(train_data, responses, sample_idx = Cv::Mat.new(), is_regression = false, max_k = 32, update_base = false) ⇒ Bool

Note:

method wrapper for bool CvKNearest::train(const cv::Mat trainData, const cv::Mat responses, const cv::Mat sampleIdx = cv::Mat(), bool isRegression = false, int maxK = 32, bool updateBase = false)

methods

Parameters:

  • train_data (Cv::Mat)
  • responses (Cv::Mat)
  • sample_idx (Cv::Mat) (defaults to: Cv::Mat.new())
  • is_regression (Bool) (defaults to: false)
  • max_k (Fixnum) (defaults to: 32)
  • update_base (Bool) (defaults to: false)

Returns:

  • (Bool) 


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# File 'lib/ropencv/ropencv_types.rb', line 42346

def train(train_data, responses, sample_idx = Cv::Mat.new(), is_regression = false, max_k = 32, update_base = false)
    __validate_pointer__
    Rbind::cvk_nearest_train( self, train_data, responses, sample_idx, is_regression, max_k, update_base)
end