While Splitting A Tiff file. How to check compression Type To avoid Error!

public static int GetCompressionType(Image image)

{

    int compressionTagIndex = Array.IndexOf(image.PropertyIdList, 0x103);

    PropertyItem compressionTag = image.PropertyItems[compressionTagIndex];

    return BitConverter.ToInt16(compressionTag.Value, 0);

}

1: no compression
2: CCITT Group 3
3: Facsimile-compatible CCITT Group 3
4: CCITT Group 4 (T.6)
5: LZW