Analytical Model for the Optimization of Self-Organizing Image Processing Systems Utilizing Cellular Automata

M. Reichenbach, Michael Schmidt, D. Fey
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引用次数: 9

Abstract

The usage of Cellular Automata (CA) for image processing tasks in self-organizing systems is a well known method, but it is a challenge to process such CAs in an embedded hardware efficiently. CAs present a helpful base for the design of both robust and fast solutions for embedded image processing hardware. Therefore, we have developed a system on a chip called ParCA which is a programmable architecture for the realization of parallel image processing algorithms based on CAs. In order to be able to determine the optimal parameters for such an image processing system, for example the degree of parallelization or the optimum partitioning size for large input images parallel processing, we deduced an analytical model comprising of a set of equations which reflect the dependencies of these parameters. By means of a multi-dimensional optimization it is possible with our model to evaluate existing systems in order to find bottlenecks or to build new architectures in an optimal way relating to given constraints.
基于元胞自动机的自组织图像处理系统优化分析模型
在自组织系统中使用元胞自动机(CA)进行图像处理是一种众所周知的方法,但如何在嵌入式硬件中高效地处理这种CA是一个挑战。ca为嵌入式图像处理硬件的鲁棒和快速解决方案的设计提供了有益的基础。因此,我们在芯片上开发了一个系统,称为ParCA,这是一个可编程的架构,用于实现基于ca的并行图像处理算法。为了能够确定这种图像处理系统的最佳参数,例如并行化程度或大型输入图像并行处理的最佳分区大小,我们推导了一个由一组反映这些参数依赖关系的方程组成的解析模型。通过多维优化,我们的模型可以评估现有系统,以便找到瓶颈,或者以与给定约束相关的最佳方式构建新的体系结构。
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