User profiles for Jiazheng Xu

Jiazheng Xu

Tsinghua University
Verified email at mails.tsinghua.edu.cn
Cited by 1388

Imagereward: Learning and evaluating human preferences for text-to-image generation

J Xu, X Liu, Y Wu, Y Tong, Q Li… - Advances in …, 2024 - proceedings.neurips.cc
We present a comprehensive solution to learn and improve text-to-image models from human
preference feedback. To begin with, we build ImageReward---the first general-purpose text…

Cogagent: A visual language model for gui agents

W Hong, W Wang, Q Lv, J Xu, W Yu… - Proceedings of the …, 2024 - openaccess.thecvf.com
People are spending an enormous amount of time on digital devices through graphical user
interfaces (GUIs) eg computer or smartphone screens. Large language models (LLMs) such …

Cogvlm: Visual expert for pretrained language models

…, J Ji, Z Yang, L Zhao, X Song, J Xu, B Xu… - arXiv preprint arXiv …, 2023 - arxiv.org
We introduce CogVLM, a powerful open-source visual language foundation model. Different
from the popular shallow alignment method which maps image features into the input space …

Cogvideox: Text-to-video diffusion models with an expert transformer

…, J Teng, W Zheng, M Ding, S Huang, J Xu… - arXiv preprint arXiv …, 2024 - arxiv.org
We present CogVideoX, a large-scale text-to-video generation model based on diffusion
transformer, which can generate 10-second continuous videos aligned with text prompt, with a …

Early clinical and radiographic outcomes of robot‐assisted versus conventional manual total knee arthroplasty: a randomized controlled study

J Xu, L Li, J Fu, C Xu, M Ni, W Chai, L Hao… - Orthopaedic …, 2022 - Wiley Online Library
Objective Robot‐assisted surgery has been promoted worldwide in recent years. The
development of a domestic orthopaedic robot and its clinical application are therefore of great …

Mixed Grazing Enhances Bacterial Diversity and Network Stability More Than Single Grazing in Both Nondegraded and Moderately Degraded Grasslands

J Xu, X Wu, J Hu, Y Yang - Land Degradation & Development, 2025 - Wiley Online Library
Jiazheng Xu1 … Jiazheng Xu and Xuefeng Wu contributed equally to this work. … Jiazheng
Xu: investigation, visualization, writing – original draft preparation. Xuefeng Wu: investigation, …

On the out-of-distribution generalization of multimodal large language models

…, J Li, W Chu, J Hai, R Xu, Y Yang, S Guan, J Xu… - arXiv preprint arXiv …, 2024 - arxiv.org
We investigate the generalization boundaries of current Multimodal Large Language Models
(MLLMs) via comprehensive evaluation under out-of-distribution scenarios and domain-…

Visionreward: Fine-grained multi-dimensional human preference learning for image and video generation

J Xu, Y Huang, J Cheng, Y Yang, J Xu, Y Wang… - arXiv preprint arXiv …, 2024 - arxiv.org
We present a general strategy to aligning visual generation models -- both image and video
generation -- with human preference. To start with, we build VisionReward -- a fine-grained …

Heavy metal domestication enhances beneficial effects of arbuscular mycorrhizal fungi on lead (Pb) phytoremediation efficiency of Bidens parviflora through …

Y Yang, B Huang, J Xu, Z Li, Z Tang, X Wu - Environmental Science and …, 2022 - Springer
Native arbuscular mycorrhizal fungi (AMF) generally provide more effective assistance for
phytoremediation to remove heavy metal (HM) from polluted soils than non-native AMF. …

Synthesis and biological activity of novel antifungal leads: 3, 5-dichlorobenzyl ester derivatives

…, Q Yuan, X Hu, W Fu, Q Xu, Z Wei, J Xu… - Journal of Agricultural …, 2021 - ACS Publications
Succinate dehydrogenase (SDH) is one of the most important molecular targets for the
development of new fungicides. Carboxamide fungicides are a class of SDH inhibitors widely …