An Efficient DCT-SVD Steganographic Approach Applied to JPEG Images
Franklin Tchakounté, Priva Chassem Kamdem, Jean Claude Kamgang, Hortense Boudjou Tchapgnouo, Marcellin Atemkeng · EAI Endorsed Transactions on Industrial Networks and Intelligent Systems · 2020
To prove the origin of images in social media, this work proposes an efficient JPEG image steganography approach. After structuring the cover image into blocks of 8*8 pixels, Discrete Cosine Transform is applied to each block of pixels. The latter are quantified using a quantization