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Junyan Wang

6 accepted papers

2026

SIPO: Stabilized and Improved Preference Optimization for Aligning Diffusion Models

ICML 2026poster

Preference learning has garnered extensive attention as an effective technique for aligning diffusion models with human preferences in visual generation tasks. However, existing alignment approaches such as Diffusion-DPO suffer from two fundamental challenges: training instability caused by high gra…

Cited by 0SourceScholar
2025

FlowerTune: A Cross-Domain Benchmark for Federated Fine-Tuning of Large Language Models

NeurIPS 2025poster

Large Language Models (LLMs) have achieved state-of-the-art results across diverse domains, yet their development remains reliant on vast amounts of publicly available data, raising concerns about data scarcity and the lack of access to domain-specific, sensitive information. Federated Learning (FL)…

Cited by 0SourceScholar
2024

Towards Effective Usage of Human-Centric Priors in Diffusion Models for Text-based Human Image Generation

CVPR 2024poster

Vanilla text-to-image diffusion models struggle with generating accurate human images commonly resulting in imperfect anatomies such as unnatural postures or disproportionate limbs. Existing methods address this issue mostly by fine-tuning the model with extra images or adding additional controls --…

Cited by 9SourcePDFScholar
2023

Maximizing Spatio-Temporal Entropy of Deep 3D CNNs for Efficient Video Recognition

ICLR 2023poster

3D convolution neural networks (CNNs) have been the prevailing option for video recognition. To capture the temporal information, 3D convolutions are computed along the sequences, leading to cubically growing and expensive computations. To reduce the computational cost, previous methods resort to ma…

2022

Entropy-Driven Mixed-Precision Quantization for Deep Network Design

NeurIPS 2022accept

Deploying deep convolutional neural networks on Internet-of-Things (IoT) devices is challenging due to the limited computational resources, such as limited SRAM memory and Flash storage. Previous works re-design a small network for IoT devices, and then compress the network size by mixed-precision q…

2022

GiraffeDet: A Heavy-Neck Paradigm for Object Detection

ICLR 2022poster

In conventional object detection frameworks, a backbone body inherited from image recognition models extracts deep latent features and then a neck module fuses these latent features to capture information at different scales. As the resolution in object detection is much larger than in image recogni…