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Huanpeng Chu

4 accepted papers

2025

OmniCache: A Trajectory-Oriented Global Perspective on Training-Free Cache Reuse for Diffusion Transformer Models

ICCV 2025poster

Diffusion models have emerged as a powerful paradigm for generative tasks such as image synthesis and video generation, with Transformer architectures further enhancing performance. However, the high computational cost of diffusion Transformers--stemming from a large number of sampling steps and com…

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2024

Robustness-Guided Image Synthesis for Data-Free Quantization

AAAI 2024technical

Quantization has emerged as a promising direction for model compression. Recently, data-free quantization has been widely studied as a promising method to avoid privacy concerns, which synthesizes images as an alternative to real training data. Existing methods use classification loss to ensure the…

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2023

On the Effectiveness of Out-of-Distribution Data in Self-Supervised Long-Tail Learning.

ICLR 2023poster

Though Self-supervised learning (SSL) has been widely studied as a promising technique for representation learning, it doesn't generalize well on long-tailed datasets due to the majority classes dominating the feature space. Recent work shows that the long-tailed learning performance could be booste…

2022

Renovate Yourself: Calibrating Feature Representation of Misclassified Pixels for Semantic Segmentation

AAAI 2022technical

Existing image semantic segmentation methods favor learning consistent representations by extracting long-range contextual features with the attention, multi-scale, or graph aggregation strategies. These methods usually treat the misclassified and correctly classified pixels equally, hence misleadin…