Author

Linli Xu

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Conference Open access Sep 2026

Trajectory-Consistent Denoising Diffusion Codebook Models for Zero-Shot High-Fidelity Image Compression at Ultra-Low Bitrates

This paper proposes the Trajectory-Consistent Diffusion Codebook Model (TC-DDCM), a generative model that significantly outperforms state-of-the-art zero-shot methods in rate-distortion-perception performance at ultra-low bitrates, making zero-shot diffusion-based compression practical.

Fang Zhang, Linli Xu · Proceedings of the Thirty-Fi... · 0 citations

Preprint Aug 2026

Improving Few-Step Language Flows with Untied Self-Conditioning

It is shown that the mismatch degrades both the self-conditioning input and the solver update, and derive a correction for each from the model's own structure, and the resulting sampler, Untied Self-Conditioning, requires no retraining and uses one evaluation per step.

Bocheng Li, Linli Xu · 1 citation