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CCS
2010
ACM
14 years 2 months ago
Scene tagging: image-based CAPTCHA using image composition and object relationships
In this paper, we propose a new form of image-based CAPTCHA we term "scene tagging". It tests the ability to recognize a relationship between multiple objects in an imag...
Peter Matthews, Cliff Changchun Zou
CAE
2007
14 years 1 months ago
Celtic Knots Colorization based on Color Harmony Principles
This paper proposes two simple and powerful algorithms to automatically paint Celtic knots with aesthetic colors. The shape of the knot is generated from its dual graph as present...
Caroline Larboulette
AAAI
2007
14 years 1 months ago
Thresholded Rewards: Acting Optimally in Timed, Zero-Sum Games
In timed, zero-sum games, the goal is to maximize the probability of winning, which is not necessarily the same as maximizing our expected reward. We consider cumulative intermedi...
Colin McMillen, Manuela M. Veloso
AIIDE
2007
14 years 1 months ago
Automatic Design of Balanced Board Games
AI techniques are already widely used in game software to provide computer-controlled opponents for human players. However, game design is a more-challenging problem than game pla...
Joe Marks, Vincent Hom
NSDI
2007
14 years 1 months ago
Beyond One-Third Faulty Replicas in Byzantine Fault Tolerant Systems
Byzantine fault tolerant systems behave correctly when no more than f out of 3f + 1 replicas fail. When there are more than f failures, traditional BFT protocols make no guarantee...
Jinyuan Li, David Mazières
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