activity
20222025
most citedPseudo Numerical Methods for Diffusion Models on Manifolds

125 citations · 199 across the 13 of their papers we have counts for

collaborators

13 papers

cs.SD2025

T2A-Feedback: Improving Basic Capabilities of Text-to-Audio Generation via Fine-grained AI Feedback

Zehan Wang, Ke Lei, Chen Zhu +8

Text-to-audio (T2A) generation has achieved remarkable progress in generating a variety of audio outputs from language prompts. However, current state-of-the-art T2A models still s…

cs.CV2024

Improving Long-Text Alignment for Text-to-Image Diffusion Models

Luping Liu, Chao Du, Tianyu Pang +3

The rapid advancement of text-to-image (T2I) diffusion models has enabled them to generate unprecedented results from given texts. However, as text inputs become longer, existing e…

cs.CV2024★ 1 cited

OmniBind: Large-scale Omni Multimodal Representation via Binding Spaces

Zehan Wang, Ziang Zhang, Hang Zhang +5

Recently, human-computer interaction with various modalities has shown promising applications, like GPT-4o and Gemini. Given the foundational role of multimodal joint representatio…

cs.CV2024

FreeBind: Free Lunch in Unified Multimodal Space via Knowledge Fusion

Zehan Wang, Ziang Zhang, Xize Cheng +8

Unified multi-model representation spaces are the foundation of multimodal understanding and generation. However, the billions of model parameters and catastrophic forgetting probl…

cs.CV2023★ 5 cited

Chat-Scene: Bridging 3D Scene and Large Language Models with Object Identifiers

Haifeng Huang, Yilun Chen, Zehan Wang +8

Recent advancements in 3D Large Language Models (LLMs) have demonstrated promising capabilities for 3D scene understanding. However, previous methods exhibit deficiencies in genera…

cs.CV2023★ 1 cited

Unsupervised Discovery of Interpretable Directions in h-space of Pre-trained Diffusion Models

Zijian Zhang, Luping Liu, Zhijie Lin +2

We propose the first unsupervised and learning-based method to identify interpretable directions in h-space of pre-trained diffusion models. Our method is derived from an existing…

cs.CV2023★ 2 cited

Extending Multi-modal Contrastive Representations

Zehan Wang, Ziang Zhang, Luping Liu +4

Multi-modal contrastive representation (MCR) of more than three modalities is critical in multi-modal learning. Although recent methods showcase impressive achievements, the high d…

cs.CV2023★ 2 cited

Detector Guidance for Multi-Object Text-to-Image Generation

Luping Liu, Zijian Zhang, Yi Ren +3

Diffusion models have demonstrated impressive performance in text-to-image generation. They utilize a text encoder and cross-attention blocks to infuse textual information into ima…

cs.CV2023★ 13 cited

PTQD: Accurate Post-Training Quantization for Diffusion Models

Yefei He, Luping Liu, Jing Liu +3

Diffusion models have recently dominated image synthesis tasks. However, the iterative denoising process is expensive in computations at inference time, making diffusion models les…

cs.SD2023★ 47 cited

Make-An-Audio: Text-To-Audio Generation with Prompt-Enhanced Diffusion Models

Rongjie Huang, Jiawei Huang, Dongchao Yang +7

Large-scale multimodal generative modeling has created milestones in text-to-image and text-to-video generation. Its application to audio still lags behind for two main reasons: th…

cs.LG2023★ 2 cited

ERA-Solver: Error-Robust Adams Solver for Fast Sampling of Diffusion Probabilistic Models

Shengming Li, Luping Liu, Runnan Li +1

Though denoising diffusion probabilistic models (DDPMs) have achieved remarkable generation results, the low sampling efficiency of DDPMs still limits further applications. Since D…

cs.CV2022★ 1 cited

Diffusion Denoising Process for Perceptron Bias in Out-of-distribution Detection

Luping Liu, Yi Ren, Xize Cheng +3

Out-of-distribution (OOD) detection is a crucial task for ensuring the reliability and safety of deep learning. Currently, discriminator models outperform other methods in this reg…

cs.CV2022★ 125 cited

Pseudo Numerical Methods for Diffusion Models on Manifolds

Luping Liu, Yi Ren, Zhijie Lin +1

Denoising Diffusion Probabilistic Models (DDPMs) can generate high-quality samples such as image and audio samples. However, DDPMs require hundreds to thousands of iterations to pr…