Search Results for author: Yasi Zhang

Found 5 papers, 0 papers with code

Flow Priors for Linear Inverse Problems via Iterative Corrupted Trajectory Matching

no code implementations29 May 2024 Yasi Zhang, Peiyu Yu, Yaxuan Zhu, Yingshan Chang, Feng Gao, Ying Nian Wu, Oscar Leong

Generative models based on flow matching have attracted significant attention for their simplicity and superior performance in high-resolution image synthesis.

Latent Energy-Based Odyssey: Black-Box Optimization via Expanded Exploration in the Energy-Based Latent Space

no code implementations27 May 2024 Peiyu Yu, Dinghuai Zhang, Hengzhi He, Xiaojian Ma, Ruiyao Miao, Yifan Lu, Yasi Zhang, Deqian Kong, Ruiqi Gao, Jianwen Xie, Guang Cheng, Ying Nian Wu

To this end, we formulate an learnable energy-based latent space, and propose Noise-intensified Telescoping density-Ratio Estimation (NTRE) scheme for variational learning of an accurate latent space model without costly Markov Chain Monte Carlo.

Object-Conditioned Energy-Based Attention Map Alignment in Text-to-Image Diffusion Models

no code implementations10 Apr 2024 Yasi Zhang, Peiyu Yu, Ying Nian Wu

Text-to-image diffusion models have shown great success in generating high-quality text-guided images.

Attribute Object

Skews in the Phenomenon Space Hinder Generalization in Text-to-Image Generation

no code implementations25 Mar 2024 Yingshan Chang, Yasi Zhang, Zhiyuan Fang, YingNian Wu, Yonatan Bisk, Feng Gao

We hypothesize that the underlying phenomenological coverage has not been proportionally scaled up, leading to a skew of the presented phenomenon which harms generalization.

Relational Reasoning Text-to-Image Generation

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