Preprint
Aug 2026
SpreadMark: Robust Image Watermarking via Spread-Spectrum Embedding
SpreadMark keeps the embedded watermark imperceptible, maintaining high perceptual quality on both COCO and DIV2K, and is the only evaluated method retaining high detection under both the regeneration and the latent-space sparsification settings the authors test.
Wei Song, Yu-Xin Cao, Zhen-Chang Xing et al.
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