End-to-End Double JPEG Detection with a 3D Convolutional Network in the DCT Domain
Electronics Letters(2020)
摘要
Detection of double JPEG compression is essential in the field of digital image forensics. Although double JPEG compression detection methods have greatly improved with the development of convolutional neural networks (CNNs), they rely on handcrafted features such as discrete cosine transform (DCT) histograms. In this Letter, the authors propose an end-to-end trainable 3D CNN in the DCT domain for...
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关键词
convolution,data compression,discrete cosine transforms,image coding,neural nets,quantisation (signal)
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