A zero-padding algorithm based on correlation-based image analysis theory with the accuracy of sub-pixel class was presented to determine the benchmarks in different digital images.
基于图像相关分析理论提出了一种新的补零相关分析算法以确定不同数字图像上的相关标记点，其测量精度可达亚像素量级。
Based on the above analysis, the article gives coal analysis system's hardware structure and software algorithm, and this system is based on spatial digital image processing.
鉴于以上分析，文章给出了基于空间域数字图像处理的煤岩分析系统的硬件构成，软件介绍。
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