但现有的识别木材来源和清除非法原木的技术正变的更加精细。
But the technologies available to identify the source of timber and thus weed out illegal logs are becoming ever more elaborate.
本论文研究的视频识别原木节子缺陷的理论，为工业化木材缺陷计算机视频检测设备的设计与应用，提供了必要的理论前提和技术基础。
The theory that discern the log knobs flaw by video method provide the essential theory premise and technology for the design and application of wood flaw detecting and discerning.
基于数字图像处理技术和分形理论，应用多重分形频谱理论对木材内部缺陷进行识别，并设定了适用于木材图像检测的分形频谱值范围；
Based on digital image processing and fractal, multifractal spectrum was applied to wood inner defects recognition, the range of multifractal spectrum was set for wood image detection.
基于数字图像处理技术和分形理论，应用多重分形频谱理论对木材内部缺陷进行识别，并设定了适用于木材图像检测的分形频谱值范围；
Based on digital image processing and fractal, multifractal spectrum was applied to wood inner defects recognition, the range of multifractal spectrum was set for wood image detection.
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