private static void assertCorrectImage2binary(String path, String expected)
      throws IOException, NotFoundException {
    RSSExpandedReader rssExpandedReader = new RSSExpandedReader();

    BufferedImage image = ImageIO.read(new File(path));
    BinaryBitmap binaryMap =
        new BinaryBitmap(new GlobalHistogramBinarizer(new BufferedImageLuminanceSource(image)));
    int rowNumber = binaryMap.getHeight() / 2;
    BitArray row = binaryMap.getBlackRow(rowNumber, null);

    Vector<ExpandedPair> pairs = rssExpandedReader.decodeRow2pairs(rowNumber, row);
    BitArray binary = BitArrayBuilder.buildBitArray(pairs);
    assertEquals(expected, binary.toString());
  }