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基于视觉一致性的图像检索

DOI: 10.11834/jig.20110403

Keywords: 视觉一致性区域,图像分割,连通系数,图像检索

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Abstract:

提出一种新的彩色图像分割方法,将图像分割成具有明显视觉一致性的区域,这种一致性能够模拟人观察图像时的视觉感受,例如图像中的一片区域具有相同的颜色、纹理。对这样的一致性区域建立特征描述符,如颜色编码、连通系数、面积比例,其中颜色编码是通过将像素在HSI颜色空间中量化得到,进而为整幅图像建立特征描述;然后将这种特征描述用于图像的检索。实验结果表明,这种方法不仅能够很好地模拟图像所带给人的视觉感受,而且对具有视觉一致性的图像检索效果也有很好的表现。

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