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首页> 外文会议>International symposium on multispectral image processing and pattern recognition >Novel Structures for Discrete Hartley Transform based on First-Order Moments
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Novel Structures for Discrete Hartley Transform based on First-Order Moments

机译：基于一阶矩的离散Hartley变换的新颖结构

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摘要

Discrete Hartley Transform (DHT) is an important tool in digital signal processing. In the present paper, the DHT is firstly transformed into the first-order moments-based form, then a new fast algorithm is proposed to calculate the first-order moments without multiplication. Based on the algorithm theory, the corresponding hardware architecture for DHT is proposed, which only contains shift operations and additions with no need for multipliers and large memory. To verify the availability and effectiveness, the proposed design is implemented with hardware description language and synthesized by Synopsys Design Compiler with 0.18-μm SMIC library. A series of experiments have proved that the proposed architecture has better performance in terms of the product of the hardware consumption and computation time.
机译：离散哈特利变换（DHT）是数字信号处理中的重要工具。本文首先将DHT转换为基于一阶矩的形式，然后提出了一种新的快速算法来计算一阶矩而无需乘法。基于算法理论，提出了相应的DHT硬件架构，该架构仅包含移位运算和加法运算，无需乘法器和大内存。为了验证可用性和有效性，所提出的设计使用硬件描述语言来实现，并由Synopsys Design Compiler使用0.18μm的SMIC库进行综合。一系列实验证明，在硬件消耗和计算时间的乘积方面，所提出的体系结构具有更好的性能。

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