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快速傅立叶变换(FFT)图像处理方法是近几年来应用于木材解剖特征研究上的一种先进技术。木材横切面细胞排列具有显著的规律性和周期性,用FFT方法得到的FFT图谱可以将这些周期性的特征量化提取出来,以便于定量地比较、识别和分类等。因此,木材解剖特征FFT图谱的研究对于木材的鉴别、分类及演化规律的研究都具有十分重要的意义。本文总结了FFT方法在木材科学领域中的应用,并简要介绍了FFT用于木材解剖研究的一般方法。
The Fast Fourier Transform (FFT) image processing method is an advanced technique applied to the research of wood anatomical features in recent years. The cell arrangement of wood cross-section has obvious regularity and periodicity. The FFT spectrum obtained by FFT method can be used to quantitatively extract these periodic features for quantitative comparison, identification and classification. Therefore, the study of wood anatomical features FFT map for the identification, classification and evolution of wood are of great significance. This paper summarizes the application of FFT in the field of wood science and briefly introduces the general method of FFT for wood anatomy.