Module: Asposeocrjava::ApplyCorrectionFilters

Defined in:
lib/asposeocrjava/OCR/applycorrectionfilters.rb

Instance Method Summary collapse

Instance Method Details

#initialize ⇒ Object 



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# File 'lib/asposeocrjava/OCR/applycorrectionfilters.rb', line 3

def initialize()
    data_dir = File.dirname(File.dirname(File.dirname(File.dirname(__FILE__)))) + '/data/'
            
    # Initialize an instance of OcrEngine
    ocr_engine = Rjb::import('com.aspose.ocr.OcrEngine').new

    # Set the Image property by loading the image from file path location
    ocr_engine.setImage(Rjb::import('com.aspose.ocr.ImageStream').fromFile(data_dir + 'ocr.png'))

    # Set filters
    # Create CorrectionFilters collection
    filters = Rjb::import('com.aspose.ocr.CorrectionFilters').new

    # Initialize Median filter
    filter = Rjb::import('com.aspose.ocr.filters.MedianFilter').new(5)
    filters.add(filter)

    # Create Gaussian Blur filter
    filter = Rjb::import('com.aspose.ocr.filters.GaussBlurFilter').new
    filters.add(filter)

    # Create Noise Removal filter
    filter = Rjb::import('com.aspose.ocr.filters.RemoveNoiseFilter').new
    filters.add(filter)

    # Assign collection to OcrEngine
    ocr_engine.getConfig().setCorrectionFilters(filters)

    # Perform OCR operation
    ocr_engine.process()

    puts "Whole result is: "+ ocr_engine.getText().to_string
end