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author:

毛烨 (毛烨.) [1] | 陈亮 (陈亮.) [2]

Indexed by:

CQVIP PKU

Abstract:

针对传统的激光雷达强度图像降噪方法中,普遍存在着降噪效果不理想、峰值信噪比较低等问题,为了提高激光雷达图像峰值信噪比,从而实现激光雷达图像降噪,提出基于小波域混合模型的激光雷达强度图像降噪方法.分析激光雷达图像中噪声的特点,将其进行对数变换,利用小波变换对图像进行边缘检测,以得到激光雷达强度图像噪声所在位置为依据;利用自适应阈值对激光雷达强度图像变换后的小波系数进行分类,将双变量模型和空间自适应统计模型相结合实现对激光雷达强度图像降噪.实验结果表明,所提方法图像降噪效果较为理想、峰值信噪比较高,所提方法的峰值信噪比比另外两种方法高出10.93和16.13.

Keyword:

图像降噪 小波变换 强噪声条件下 激光雷达

Community:

  • [ 1 ] [毛烨]福州大学
  • [ 2 ] [陈亮]福州大学

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Source :

激光杂志

ISSN: 0253-2743

CN: 50-1085/TN

Year: 2019

Issue: 11

Volume: 40

Page: 80-83

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 1

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