基于Graph Cuts的木材扫描电镜图像特征提取方法

doi:10.11707/j.1001-7488.20140416

林业科学 ›› 2014, Vol. 50 ›› Issue (4): 108-114.doi: 10.11707/j.1001-7488.20140416

基于Graph Cuts的木材扫描电镜图像特征提取方法

朱佳¹, 汪杭军²

1. 浙江农林大学信息工程学院临安 311300;
2. 浙江农林大学天目学院诸暨 311800

收稿日期:2013-06-13 修回日期:2013-11-23 出版日期:2014-04-25 发布日期:2014-05-06
基金资助:
国家自然科学基金项目（60970082）；浙江省自然科学基金项目（Y13C160027）；浙江农林大学人才启动项目（2013FR059）。

Feature Extraction Method of Wood SEM Micrographs Based on Graph Cuts

Zhu Jia¹, Wang Hangjun²

1. School of Information Engineering, Zhejiang A & F University Lin'an 311300;
2. Tianmu College of Zhejiang A & F University Zhuji 311800

Received:2013-06-13 Revised:2013-11-23 Online:2014-04-25 Published:2014-05-06
Contact: 汪杭军

摘要/Abstract

摘要：

提出一种基于Graph Cuts图像分割的木材SEM图像特征提取方法。首先对木材SEM图像增强，应用Graph Cuts分割图像；提取木材组织轮廓后，使用数学形态学平滑对象轮廓；最后提出木材细胞的9种几何和统计特征及其计算方法。针对12个木材树种的试验结果表明：本方法给出的特征在给定树种及各树种的早、晚材间均具有较大的差异，为木材材种识别提供了重要依据。

关键词: Graph Cuts, 特征提取, 扫描电镜, 图像分割, 细胞

Abstract:

Generally, even the subtle differences of wood textures among different species can be clearly identified with their scanning electron microscope(SEM)micrographs. Therefore, the features extracted from the SEM micrographs can provide a reliable basis for the classification of wood micrographs. In this paper, a novel method of wood SEM micrographs was proposed for feature extraction based on Graph Cuts. Firstly, the wood SEM micrographs would be enhanced before partitioning the images into multiple segments by Graph Cuts, then extracting the contours of wood tissues and smoothing the contours of objects by mathematical morphology. Finally, nine kinds of geometric and statistical features and their computing methods were given. The experimental results on 12 wood species showed that the features we proposed had a great difference among the given wood species(also in the earlywood and latewood of each given species), which provided an important basis for the wood assortment recognition.

Key words: Graph Cuts, feature extraction, SEM, image segmentation, cell

中图分类号:

S781

朱佳, 汪杭军. 基于Graph Cuts的木材扫描电镜图像特征提取方法[J]. 林业科学, 2014, 50(4): 108-114.

Zhu Jia, Wang Hangjun. Feature Extraction Method of Wood SEM Micrographs Based on Graph Cuts[J]. Scientia Silvae Sinicae, 2014, 50(4): 108-114.

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基于Graph Cuts的木材扫描电镜图像特征提取方法

Feature Extraction Method of Wood SEM Micrographs Based on Graph Cuts

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