The aim of our paper is to show how Partially Balanced Incomplete Block Designs (PBIBD) may be used to construct (2,n) visual cryptographic schemes for black and white images with small pixel expansion. In situations where uniformity of the participants with respect to the relative contrast is not important, our schemes work well since by allowing the relative contrast to vary depending on which two participants are recovering the image, they can keep the pixel expansion quite small. Thus our schemes have considerably smaller pixel expansion than many of the existing schemes. For some n and some pairs of participants recovering the image, our schemes have larger relative contrast than some existing schemes.
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Avishek ADHIKARI, Mausumi BOSE, Dewesh KUMAR, Bimal ROY, "Applications of Partially Balanced Incomplete Block Designs in Developing (2,n) Visual Cryptographic Schemes" in IEICE TRANSACTIONS on Fundamentals,
vol. E90-A, no. 5, pp. 949-951, May 2007, doi: 10.1093/ietfec/e90-a.5.949.
Abstract: The aim of our paper is to show how Partially Balanced Incomplete Block Designs (PBIBD) may be used to construct (2,n) visual cryptographic schemes for black and white images with small pixel expansion. In situations where uniformity of the participants with respect to the relative contrast is not important, our schemes work well since by allowing the relative contrast to vary depending on which two participants are recovering the image, they can keep the pixel expansion quite small. Thus our schemes have considerably smaller pixel expansion than many of the existing schemes. For some n and some pairs of participants recovering the image, our schemes have larger relative contrast than some existing schemes.
URL: https://global.ieice.org/en_transactions/fundamentals/10.1093/ietfec/e90-a.5.949/_p
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@ARTICLE{e90-a_5_949,
author={Avishek ADHIKARI, Mausumi BOSE, Dewesh KUMAR, Bimal ROY, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={Applications of Partially Balanced Incomplete Block Designs in Developing (2,n) Visual Cryptographic Schemes},
year={2007},
volume={E90-A},
number={5},
pages={949-951},
abstract={The aim of our paper is to show how Partially Balanced Incomplete Block Designs (PBIBD) may be used to construct (2,n) visual cryptographic schemes for black and white images with small pixel expansion. In situations where uniformity of the participants with respect to the relative contrast is not important, our schemes work well since by allowing the relative contrast to vary depending on which two participants are recovering the image, they can keep the pixel expansion quite small. Thus our schemes have considerably smaller pixel expansion than many of the existing schemes. For some n and some pairs of participants recovering the image, our schemes have larger relative contrast than some existing schemes.},
keywords={},
doi={10.1093/ietfec/e90-a.5.949},
ISSN={1745-1337},
month={May},}
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TY - JOUR
TI - Applications of Partially Balanced Incomplete Block Designs in Developing (2,n) Visual Cryptographic Schemes
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 949
EP - 951
AU - Avishek ADHIKARI
AU - Mausumi BOSE
AU - Dewesh KUMAR
AU - Bimal ROY
PY - 2007
DO - 10.1093/ietfec/e90-a.5.949
JO - IEICE TRANSACTIONS on Fundamentals
SN - 1745-1337
VL - E90-A
IS - 5
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - May 2007
AB - The aim of our paper is to show how Partially Balanced Incomplete Block Designs (PBIBD) may be used to construct (2,n) visual cryptographic schemes for black and white images with small pixel expansion. In situations where uniformity of the participants with respect to the relative contrast is not important, our schemes work well since by allowing the relative contrast to vary depending on which two participants are recovering the image, they can keep the pixel expansion quite small. Thus our schemes have considerably smaller pixel expansion than many of the existing schemes. For some n and some pairs of participants recovering the image, our schemes have larger relative contrast than some existing schemes.
ER -