module Asposeimagingjava::ConvertingRasterImages
Public Class Methods
new()
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# File lib/asposeimagingjava/images/convertingrasterimages.rb, line 3 def initialize() # Binarization with Fixed Threshold binarization_with_fixed_threshold() # Binarization with Otsu Threshold binarization_with_otsu_threshold() # Transform image to its grayscale representation transform_image_to_grayscale() end
Public Instance Methods
binarization_with_fixed_threshold()
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# File lib/asposeimagingjava/images/convertingrasterimages.rb, line 14 def binarization_with_fixed_threshold() data_dir = File.dirname(File.dirname(File.dirname(File.dirname(__FILE__)))) + '/data/' # Load an existing image image = Rjb::import('com.aspose.imaging.Image').load(data_dir + "test.jpg") # Check if image is cached if !image.isCached() # Cache image if not already cached image.cacheData() end # Binarize image with predefined fixed threshold image.binarizeFixed(100) # Save the image to disk image.save(data_dir + "binarization_with_fixed_threshold.jpg") # Display Status. puts "Binarization image with Fixed Threshold successfully!" end
binarization_with_otsu_threshold()
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# File lib/asposeimagingjava/images/convertingrasterimages.rb, line 36 def binarization_with_otsu_threshold() data_dir = File.dirname(File.dirname(File.dirname(File.dirname(__FILE__)))) + '/data/' # Load an existing image image = Rjb::import('com.aspose.imaging.Image').load(data_dir + "test.jpg") # Check if image is cached if !image.isCached() # Cache image if not already cached image.cacheData() end # Binarize image with Otsu Thresholding image.binarizeOtsu() # Save the image to disk image.save(data_dir + "binarization_with_otsu_threshold.jpg") # Display Status. puts "Binarization image with Otsu Threshold successfully!" end
transform_image_to_grayscale()
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# File lib/asposeimagingjava/images/convertingrasterimages.rb, line 58 def transform_image_to_grayscale() data_dir = File.dirname(File.dirname(File.dirname(File.dirname(__FILE__)))) + '/data/' # Load an existing image image = Rjb::import('com.aspose.imaging.Image').load(data_dir + "test.jpg") # Check if image is cached if !image.isCached() # Cache image if not already cached image.cacheData() end # Transform image to its grayscale representation image.grayscale() # Save the image to disk image.save(data_dir + "transform_image_to_grayscale.jpg") # Display Status. puts "Transform image to its grayscale representation successfully!" end