Segmentation based improved guided filter

Jian-bo WANG; Hang YANG; Xiao-tian Wu

doi:10.3788/YJYXS20173205.0380

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Segmentation based improved guided filter

Display and Image | 更新时间：2020-07-07

- Segmentation based improved guided filter
- Chinese Journal of Liquid Crystals and Displays Vol. 32, Issue 5, Pages: 380-386(2017)
- 作者机构：
  
  1.北京航天发射技术研究所, 北京 100076
  2.中国科学院长春光学精密机械与物理研究所图像部, 吉林长春 130033
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20173205.0380
  CLC： TP394.1;TH691.9
- Received：10 October 2016，
  
  Accepted：26 December 2016，
  
  Published：2017-05
- 稿件说明：
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Jian-bo WANG, Hang YANG, Xiao-tian Wu. Segmentation based improved guided filter[J]. Chinese journal of liquid crystals and displays, 2017, 32(5): 380-386.
DOI：

Jian-bo WANG, Hang YANG, Xiao-tian Wu. Segmentation based improved guided filter[J]. Chinese journal of liquid crystals and displays, 2017, 32(5): 380-386. DOI： 10.3788/YJYXS20173205.0380.

摘要

为了更好地对图像进行平滑同时保持边缘不模糊，设计一种新的滤波方法。对基于该方法的图像滤波、细节增强等算法进行研究。首先，根据图像的亮度和颜色对图像进行分割，将图像分成不同的区域。接着，在不同的区域进行导引滤波，得到互不交叠的多个滤波子图像。然后，将这些子图融合，得到基于分割的改进导引滤波结果。最后，利用提出的改进导引滤波方法提出一种多尺度的细节增强方法。实验结果表明，在图像光滑和细节增强方面，提出的方法都要好于传统的导引滤波：提出的方法不仅能较好的光滑图像，同时保持边缘清晰，减少了传统滤波方法在边缘处的光晕现象。

Abstract

In order to smooth image detail and preserve edge information well

a new edge-preserving filter is proposed in this paper. The filtering and detail enhancement method based on the proposed filter is studied. First

based on image intensity and color

the mean shift method is used for image segmentation

and we obtain several areas. Second

the guided image filter is used for each area

and several filtered images are separated with each other. Third

we fuse these filtered images to obtain a final result. Finally

a multi-scale detail enhancement method based on improved guided filter is proposed. Experimental results indicate that the proposed filter approach can obtain edge-preserving smoothed image

and detail enhanced image with less hole than guided filter. The proposed filter can obtain better results than guided filter in smoothing and detail enhancement.

关键词

Keywords

references

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