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Hongyang Du

4 papers indexed

arxivcs.CV2026-07-17

SlotMem: Character-Addressable Internal Memory for Narrative Long Video Generation

Yilai Liu, Xin Zhang, Shiyuan Zhang, Hongyang Du

Maintaining recurring character identities across scene transitions and long temporal gaps is a central challenge in narrative long video generation. Methods targeting global consistency often retrieve memory using cues that are not aligned with character identity preservation, w…

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arxivcs.LG2026-07-15

MIDiff: Tackling Sparsity and Imbalance in Mobile Usage Generation via Multivariate-Imaging Diffusion

Yilai Liu, Shiyuan Zhang, Hongyang Du

Mobile usage traces are critical for tasks such as user behavior prediction and app recommendation, yet their use is constrained by privacy restrictions and costly large-scale data collection. Although generative models perform well on general time series, their application to mo…

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