计算机科学 ›› 2017, Vol. 44 ›› Issue (6): 274-277.doi: 10.11896/j.issn.1002-137X.2017.06.048
翟奥博,温显斌,张鑫
ZHAI Ao-bo, WEN Xian-bin and ZHANG Xin
摘要: 针对双树复小波变换缺少不同尺度纹理的空间分布特征的缺陷,提出了一种改进双树复小波和灰度-梯度共生矩阵相融合的纹理图像检索新算法。首先,该算法将图像进行非均匀分块,并对分块的图像进行双树复小波变换,以此增加不同尺度下的空间信息;其次,利用灰度-梯度共生矩阵提取4个统计量特征;然后, 融合 两种方法提取的纹理特征以得到图像检索的纹理特征;最后,用Canberra距离进行相似性度量并输出图像检索的结果。实验结果表明,该方法对纹理图像有较好的检索效果。
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