When reading not multiple of 8 bit unsigned data in pixel interleaved images, some samples are read wrongly. <img width="621" alt="Bildschirmfoto 2021-02-26 um 12 15 46" src="https://user-images.githubusercontent.com/1109799/109293800-97773c00-782c-11eb-94f1-1bd199954af7.png">