Author

Ching-Chun Chang

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Preprint Sep 2026

AngelFingerprint: A Traceable, Explainable, and White-Box Stealthy Watermark for Text-Guided Image Editing

Text-guided diffusion editing raises disinformation concerns, making reliable image provenance essential. While watermarks are commonly used for this purpose, most methods carry a fixed ID that cannot explain what was changed and which prompt produced it. Furthermore, under open-source white-box access, attackers can e...

Bo-Han Kung, F. Waseda, Ching-Chun Chang et al. · 0 citations

Open access Jul 2026

Subband-Guided Hybrid Multi-Axis Attention Network for Frequency-Aware Image Super-Resolution

Findings indicate that wavelet-guided subband processing is compatible with HMA and that WSB provides the more computationally economical extension, but because the standard-dataset evaluation is based on selected images and a complete component-level ablation is not available, the results should be interpreted as prel...

Ching-Chun Chang, Tzu-Chuen Lu, Chin-Chen Chang · Journal of Machine Learning... · 0 citations

#artificial intelligence Preprint Sep 2026

Retrosynthesis of Synthetic Media for Explainable AI Provenance Forensics

A self-referential retrosynthesis framework for explainable AI provenance forensics under a fixed-generator setting that leverages a jointly optimized encoder-decoder pair to implement a self-embedding mechanism that enables round-trip consistency verification.

Yi-Jie Lin, Ching-Chun Chang, Isao Echizen et al. · 0 citations