吉林大学学报(地球科学版) ›› 2021, Vol. 51 ›› Issue (6): 1897-1907.doi: 10.13278/j.cnki.jjuese.20200186
周恒1, 张春雷2, 张欣3, 陈庆轩4, 张艳5, 仲诚诚1
Zhou Heng1, Zhang Chunlei2, Zhang Xin3, Chen Qingxuan4, Zhang Yan5, Zhong Chengcheng1
摘要： 针对岩石颗粒边缘模糊、结构复杂的特点，为了更有效地识别颗粒边缘，在基于特征值的C3相干算法的基础上，融合多尺度和多角度的特征表达，提出了一种改进的C3相干算法。该算法综合考虑岩石薄片图像角度域光学特征、空间尺度信息和各向异性信息，能更有效地表征颗粒边缘特征，表现出对复杂矿物结构的适应能力。在采集的岩石薄片正交偏光图像上验证提出的算法，实验结果表明，与原生C3相干算法相比，改进后的C3相干算法在全局图像上的方差和灰度差分乘积分别提升了68.41%和22.91%，信息熵下降了21.61%。
中图分类号:
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