protected Integer calcBPB_RootEntCnt() throws UnsupportedEncodingException {
        byte[] bTemp = new byte[2];
        for (int i = 17;i < 19; i++) {
            bTemp[i-17] = imageBytes[i];
        }
        BPB_RootEntCnt = byteArrayToInt(bTemp);
        System.out.println(BPB_RootEntCnt);
        return BPB_RootEntCnt;
    }