A Hidden-picture Puzzles Generator
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2008Author
Lee, In-Kwon 
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A hidden-picture puzzle contains objects hidden in a background image, in such a way that each object fits closely into a local region of the background. Our system converts image of the background and objects into line drawing, and then finds places in which to hide transformed versions of the objects using rotation-invariant shape context matching. During the hiding process, each object is subjected to a slight deformation to enhance its similarity to the background. The results were assessed by a panel of puzzle-solvers.
BibTeX
@article {10.1111:j.1467-8659.2008.01334.x,
journal = {Computer Graphics Forum},
title = {{A Hidden-picture Puzzles Generator}},
author = {Yoon, Jong-Chul and Lee, In-Kwon and Kang, Henry},
year = {2008},
publisher = {The Eurographics Association and Blackwell Publishing Ltd},
ISSN = {1467-8659},
DOI = {10.1111/j.1467-8659.2008.01334.x}
}
journal = {Computer Graphics Forum},
title = {{A Hidden-picture Puzzles Generator}},
author = {Yoon, Jong-Chul and Lee, In-Kwon and Kang, Henry},
year = {2008},
publisher = {The Eurographics Association and Blackwell Publishing Ltd},
ISSN = {1467-8659},
DOI = {10.1111/j.1467-8659.2008.01334.x}
}