SAMG:一种结合SAM和CNN的睑板腺图像分割模型
(华北水利水电大学 信息工程学院,河南 郑州 450046)
摘要
SAM是一种著名的通用图像分割模型。尽管SAM在自然图像上表现出色,但在处理对比度低、边界模糊的睑板腺医学图像时,其性能会明显下降,泛化能力有限。为此,文章提出了一种适合睑板腺图像分割的模型SAMG。该模型在SAM的图像编码器基础上,加入一个CNN分支,并通过一个交叉注意力模块将CNN分支与原图像编码器(ViT分支)联系起来。此外,在编码器的最后部分,通过一个SE模块使模型能够在更细粒度上理解图像内容。这种模型结构设计使得额外的参数量和计算量都相对较小。在专业的睑板腺医学图像数据集支持下,对比实验表明,SAMG模型在睑板腺图像分割任务上表现出色,且可部署于入门级别的GPU。
关键词
SAM;CNN;ViT;图像分割
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基金项目
2024年度河南省高等教育教学改革研究与实践项目(2024SJGLX0332);2023年河南省高等教育教学改革研究与实践项目 研究生教育类(2023SJGLX112Y)
作者简介
张宸睿(2000—),男,汉族,河南漯河人,硕士研究生在读,研究方向:基于深度学习模型的医学图像分割研究;通信作者:李秀丽(1967—),女,汉族,河南郑州人,教授,本科,研究方向:计算机技术及应用。