计算机科学 ›› 2014, Vol. 41 ›› Issue (6): 299-303.doi: 10.11896/j.issn.1002-137X.2014.06.060
郑红波,徐玲玲,杜轶诚,秦绪佳,陈嵩辉
ZHENG Hong-bo,XU Ling-ling,DU Yi-cheng,QIN Xu-jia and CHEN Song-hui
摘要: 条纹图像增强在指纹图像处理与识别、结构光三维重建中有重要应用。针对结构光三维重建的条纹图像处理,提出了一种基于图像方向场与频率场约束的条纹图像增强算法,设计了图像方向场与频率场的计算方法,构造了方向场与频率场的约束的Gabor滤波器。算法首先对条纹图像进行高斯滤波,去除图像亮度不均匀的影响;然后计算条纹图像的方向场与频率场;最后在图像方向场与频率场的约束下对图像进行Gabor滤波。实验结果表明,算法可有效消除图像光照不均匀的影响,较好地增强结构光图像的条纹信息。
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