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CVPR2022 | 用于重采图像的特征解耦学习与动态融合
2022-06-22 20:18:00 【智源社区】
本文中作者提出了一种新的特征解耦和动态融合(FDDF)模块以自适应学习最有效的recapture特征,此外作者收集制作了一个大规模的真实场景通用recapture(RUR)数据集,其中包含各种recapture模式,其数量大约是之前公布的数据集的五倍。
作者是第一个提出通用模型和通用真实场景大规模数据集用来做recaptured image forensic的人,所提的FDDF可以在RUR数据集上达到SOTA的水平。

论文链接:
https://arxiv.org/pdf/2206.06103.pdf
FDDF模型的架构,如下图所示。

该模型由显式特征解耦(EFD)模块和动态特征融合(DFF)模块组合而成。整个流程可被表述为:
(1)图像被送入四个平行分支,以统一的Resnet18骨干网络生成四种capture feature;
(2)capture feature被具有自适应权重的可学习的模块融合;
(3)融合的特征将被送进分类层,以判断图像是否被recapture。
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