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The recent adoption of OpenCL programming model by FPGA vendors has realized the function portability of OpenCL workloads on FPGA. However, the poor performance portability prevents its wide adoption. To harness the power of FPGAs using OpenCL programming model, it is advantageous to design an analytical performance model to estimate the performance of OpenCL workloads on FPGAs and provide insights...
Iterative stencil algorithms find applications in a wide range of domains. FPGAs have long been adopted for computation acceleration due to its advantages of dedicated hardware design. Hence, FPGAs are a compelling alternative for executing iterative stencil algorithms. However, efficient implementation of iterative stencil algorithms on FPGAs is very challenging due to the data dependencies between...
A typical scene category contains an enormous number of distinct scene configurations that are composed of objects and regions of varying shapes in different layouts. In this paper, we first propose a representation named hierarchical space tiling (HST) to quantize the huge and continuous scene configuration space. Then, we augment the HST with attributes (nouns and adjectives) to describe the semantics...
The image annotation and retrieval are significant for semantic image retrieval that needs to establish the relations between linguistic labels and images. So the probabilistic formulation for semantic labeling is introduced to solve them. In addition, relevance feedback can improve the retrieval performance efficiently in the content-based image retrieval (CBIR). In this paper, we proposed a new...
Development of Virtual Reality in architecture design is relatively slow than in the field of entertainment. One reason of it is because the demand of architect in design is not adequately reflected in the VR application. This article analyzes the current limitations of VR technology in the field of architecture design firstly, and then summarizes three main characteristics of VR application in architecture,...
Functionality Testing is one of the most popular used technologies of black-box testing strategy. Programs to be test were taken as implicit functions mapping inputs into outs. In the view of functionality testing, if the functional behaviors of the program can be predicated correctly, it could be applied as test oracles for newer test cases generation. The main problems of this issue are discussed...
Fuzzy random variable is a measurable mapping from a probability space to a collection of fuzzy variables. The variance is a fundamental concept for fuzzy random variables. Due to the difficulties involved in computing variance, we usually focus on searching for good approximation and simulation methods to solve a complex model. Based on the definition of the variance of a fuzzy random variable, this...
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