贝叶斯融合多核学习的图像显著性检测

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针对当前图像显著性检测算法存在的检测不准确和边缘不清晰问题,提出基于改进的贝叶斯公式融合算法。采用compactness先验得到初级显著图,并以初级显著图作为训练样本,采用多核学习方式得到次级显著图,而后基于贝叶斯公式以一定的比例融合初级和次级显著图,最终获得精确的显著性检测图。实验结果表明,算法在2个公开数据集上进行检测时,所得结果能够有效地突出目标物体,去除边缘模糊的现象,且实验结果在3个数据指标(精确度、召回率和F-measure值)方面均优于其他8种算法,算法运行速度较快,实验结果也更为精确。
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