Digital Forensics and Watermarking: 20th International Workshop, IWDW 2021, Beijing, China, November 20-22, 2021, Revised Selected Papers

Forensics and Security Analysis.- A Multi-Level Feature Enhancement Network for Image Splicing Localization.- MSA-CNN: Face Morphing Detection via a Multiple Scales Attention Convolutional Neural Network.- Double-Stream Segmentation Network with Temporal Self-Attention for Deepfake Video Detection.- Exposing Deepfake Videos with Spatial, Frequency and Multi-Scale Temporal Artifacts.- On the Security of Encrypted JPEG Image with Adaptive Key Generated by Invariant Characteristic.- Modify the Quantization Table in the JPEG Header File for Forensics and Anti-Forensics.- More Accurate and Robust PRNU-Based Source Camera Identification with 3-Step 3-Class Approach.- Effects of Image Compression on Image Age Approximation.- FMFCC-A: A Challenging Mandarin Dataset for Synthetic Speech Detection.- Watermarking.- A Feature-Map-Based Large-Payload DNN Watermarking Algorithm.- A Robust DCT-Based Video Watermarking Scheme Against Recompression and Synchronization Attacks.- Improved Fluctuation Derived Block Selection Strategy in Pixel Value Ordering Based Reversible Data Hiding.- MasterFace Watermarking for IPR Protection of Siamese Network for Face Verification.- Steganology.- Arbitrary-Sized JPEG Steganalysis Based on Fully Convolutional Network.- Using Contrastive Learning to Improve the Performance of Steganalysis Schemes.- A HEVC Steganalysis Algorithm Based on Relationship of Adjacent Intra Prediction Modes.- Data Hiding Based on Redundant Space of WeChat Mini Program Codes.- Image Block Regression Based on Feature Fusion for CNN-Based Spatial Steganalysis.