一种用于无乘法器索贝尔边缘检测的高效滤波器结构

2009 Innovative Technologies in Intelligent Systems and Industrial Applications Pub Date : 2009-07-25 DOI:10.1109/CITISIA.2009.5224243

C. Pradabpet, N. Ravinu, S. Chivapreecha, B. Knobnob, K. Dejhan

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引用次数: 19

摘要

本文提出了一种基于高斯梯度低通滤波器概念的无乘法器索贝尔边缘检测滤波器结构。这个概念与用于评估索贝尔边缘检测核的思想相同。提出的Sobel边缘检测滤波器结构由4组所谓的低通型二阶1-D DPF (Discrete Pascal filter)组成，该滤波器结构不需要任何乘法器，只需要14个加法器即可实现。从而实现了高效率的无乘法器索贝尔边缘检测器。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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An efficient filter structure for multiplierless Sobel edge detection

This paper presents a multiplierless Sobel edge detection filter structure based on the gradient of Gaussian lowpass filter concept. This concept is same as the idea that used for evaluation of Sobel edge detection kernels. The proposed Sobel edge detection filter structure consists of 4 sets of the so-called lowpass-type 2nd order 1-D DPF (Discrete Pascal Filter) and the filter structure does not need any multipliers, only 14 adders are needed for realization. Consequently, the high efficiency multiplierless Sobel edge detector can be achieved.

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2009 Innovative Technologies in Intelligent Systems and Industrial Applications

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