TY - CONF AU - Świerczyński Roger JO - Proceedings of International Conference on Computer Vision and Graphics (ICCVG 2002) TI - Fragile watermarking using subband coding T2 - Proceedings of International Conference on Computer Vision and Graphics (ICCVG 2002) PY - 2002 Y1 - 25-29 September 2002 JA - Proceedings of International Conference on Computer Vision and Graphics (ICCVG 2002) DO - ER -