Picture collage systems and methods

Details Picture collage systems and methods Picture collage systems and methods

2007-02-13

2009-08-18

Tung, Kee M (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C715S244000

Reexamination Certificate

active

07576755

ABSTRACT:
Systems and methods provide picture collage systems and methods. In one implementation, a system determines a salient region in each of multiple images and develops a Bayesian model to maximize visibility of the salient regions in a collage that overlaps the images. The Bayesian model can also minimize blank spaces in the collage and normalize the percentage of each salient region that can be visibly displayed in the collage. Images are placed with diversified rotational orientation to provide a natural artistic collage appearance. A Markov Chain Monte Carlo technique is applied to the parameters of the Bayesian model to obtain image placement, orientation, and layering. The MCMC technique can combine optimization proposals that include local, global, and pairwise samplings from a distribution of state variables.

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