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A Novel Fault-Tolerant Routing Algorithm for Networks on Chip
,
M.Sc. Thesis
Sharif University of Technology
;
Sarbazi Azad, Hamid
(Supervisor)
Abstract
Due to the rapid growth of technology, the number of cores on a single chip has increased, caused thousands (or millions) of transistors being tight in a new layout consequently. Technology scaling arise the sensitivity and likelihood of faults. Thus, fault management is one of the important challenging issues in multiple core design we should face. Faults can be permanent, transient, and intermittent. Apart from the fact that how and when a fault occurs, supporting a fault-tolerant or fault-prevention routing is a must in NoCs. To target mentioned problem, we have proposed two routing algorithm in this thesis. The first algorithm is FaulToleReR, which is a reconfigurable fault (faults can...
A reconfigurable fault-tolerant routing algorithm to optimize the network-on-chip performance and latency in presence of intermittent and permanent faults
, Article Proceedings - IEEE International Conference on Computer Design: VLSI in Computers and Processors ; 2011 , Pages 433-434 ; 10636404 (ISSN) ; 9781457719523 (ISBN) ; Modarressi, M ; Sarbazi Azad, H ; Sharif University of Technology
2011
Abstract
As the semiconductor industry advances to the deep sub-micron and nano technology points, the on-chip components are more prone to the defects during manufacturing and faults during system operation. Consequently, fault tolerant techniques are essential to improve the yield of modern complex chips. We propose a fault-tolerant routing algorithm that keeps the negative effect of faulty components on the NoC power and performance as low as possible. Targeting intermittent faults, we achieve fault tolerance by employing a simple and fast mechanism composed of two processes: NoC monitoring and route adaption. Experimental results show the effectiveness of the proposed technique, in that it offers...
Enhancement Of the Quality In PET Brain Images Using AutoGANcoder Algorithms
, M.Sc. Thesis Sharif University of Technology ; vosoughi, Naser (Supervisor) ; Ghafarian, Pardis (Co-Supervisor) ; Attari, Ali Akbar (Co-Supervisor)
Abstract
Positron Emission Tomography (PET) is a cutting-edge medical imaging technique that enables the examination of functional activities in different regions of the body, particularly the brain. This technique involves injecting a radiopharmaceutical into the body, which emits gamma rays that are subsequently detected by the PET scanner to generate images. However, a significant challenge in PET imaging is the degradation of image quality due to noise and photon scattering, which can lead to diagnostic errors, especially in sensitive applications such as detecting brain diseases. Various image reconstruction techniques have been developed in the past to mitigate attenuation and scattering...