waffleau

  def self.extract_dominant_colors(image_path, quantity=5, threshold=0.01)
    image = MiniMagick::Image.open(image_path)

    # Get image histogram
    result = image.run_command('convert', image_path, '-format', '%c', '-colors', quantity, '-depth', 8, 'histogram:info:')
    
    # Extract colors and frequencies from result
    frequencies = result.scan(/([0-9]+)\:/).flatten.map { |m| m.to_f }
    hex_values = result.scan(/(\#[0-9ABCDEF]{6,8})/).flatten
    total_frequencies = frequencies.reduce(:+).to_f