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Matrix computation is considered to be the core of many machine learning and graph algorithm workloads. In traditional single-node age, numerical analysis platforms like R and Matlab provide matrix programming model natively. As data is increasingly scaled up in the Big Data era, there is an increasing demand to seamlessly integrate large-scale matrix computation into distributed data-parallel computing...
The ancient Tangka image with reflecting Tibet art has been broken by the nature and human with different degrees The part-shed Tangka image is researched as a type of special breaking. After discussing the process of image inpainting and Tangka image inpainting, we give some direction of the development of Tangka image restoration.
In this paper, the current situation on the course of The Fundament of Database Application was analyzed. Based on an example about the experiment of data querying, it presents the content of this experiment and analyses its significance in this course. By studying the problems of data querying experiment, it shown the structure of knowledge and the cognition model for this course, and some advices...
In CHES 2006, M. Amir et al. introduced a generalized method of differential fault attack (DFA) against AES-128. Their fault models cover all locations before the 9th round in AES-128. However, their method cannot be applied to AES with other key sizes, such as AES-192 and AES-256. On the differential analysis, we propose a new method to extend DFA on AES with all key sizes. Our results in this study...
This paper proposes a novel blind time-offset (TO) estimation scheme for orthogonal frequency division multiplexing (OFDM) systems. Based on the observation that a TO almost surely gives rise to interblock interference (IBI), the proposed TO estimation is accomplished by minimizing the EBI. Borrowing the idea of differential decoding, the need of channel state information is circumvented via joint...
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