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With technology scaling, vulnerability to soft errors in random logic is increasing. There is a need for on-line error detection and protection for logic gates even at sea level. The error checker is the key element for an on-line detection mechanism. We compare three different checkers for error detection from the point of view of area, power and false error detection rates. We find that the double...
A novel methodology for accurate and efficient static timing analysis is presented in this paper. The methodology is based on finding a frequency domain model for the gates which allows uniform treatment of the gates and interconnects. It is shown that despite the highly nonlinear overall gate model, a frequency domain model of the gate with the model parameters, gate moments, as functions of the...
For filtering image salt-pepper noises, a novel denoising algorithm based on cellular automata is proposed. First, the concept of cellular automata is introduced, then according to the salt-pepper noises' feature, local transition function based on moore neighborhood is designed for denoising, finally, the denoising effect is evaluated by hamming distance. Compared with classical median filtering,...
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