MEASUREMENT OF WOOD QUALITY PARAMETERS FROM ANNUAL RINGS USING COLOR ANALYSIS WITH DIGITAL IMAGES
msra
摘要
In this paper we present an image analysis method which provides wood quality parameters from board and log end images. Our analysis recognizes annual rings in prepared cutting surface despite of varying color p attern or lighting. After locating annual rings accurately, p roportions of earlywood and latewood can be measured globally and locally in the image. Our method is based on combining moving window to principle component analysis (PCA). Furthermore, we apply various filtering methods to enhance result matrixes.
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关键词
pca,image analysis,annual rings.,wood quality
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