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Accurate de novo molecular and materials design requires structure-property models that generalize beyond known regimes. Although pretrained atomistic models achieve strong in-distribution accuracy after fine-tuning, their reliability under…

Computational Physics · Physics 2026-01-14 Chengqian Zhang , Duo Zhang , Anyang Peng , Mingyu Guo , Yuzhi Zhang , Lei Wang , Guolin Ke , Linfeng Zhang , Tiejun Li , Han Wang

Text-to-image generative models have recently exploded in popularity and accessibility. Yet so far, use of these models in creative tasks that bridge the 2D digital world and the creation of physical artefacts has been understudied. We…

Artificial Intelligence · Computer Science 2023-02-02 Amy Smith , Hope Schroeder , Ziv Epstein , Michael Cook , Simon Colton , Andrew Lippman

The text to medical image (T2MedI) with latent diffusion model has great potential to alleviate the scarcity of medical imaging data and explore the underlying appearance distribution of lesions in a specific patient status description.…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Xu Han , Fangfang Fan , Jingzhao Rong , Zhen Li , Georges El Fakhri , Qingyu Chen , Xiaofeng Liu

Modern Text-to-Image (T2I) Diffusion models have revolutionized image editing by enabling the generation of high-quality photorealistic images. While the de facto method for performing edits with T2I models is through text instructions,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Ashutosh Srivastava , Tarun Ram Menta , Abhinav Java , Avadhoot Jadhav , Silky Singh , Surgan Jandial , Balaji Krishnamurthy

Models trained on synthetic images often face degraded generalization to real data. As a convention, these models are often initialized with ImageNet pre-trained representation. Yet the role of ImageNet knowledge is seldom discussed despite…

Machine Learning · Computer Science 2020-07-15 Wuyang Chen , Zhiding Yu , Zhangyang Wang , Anima Anandkumar

Recent advancements in dataset distillation have demonstrated the significant benefits of employing soft labels generated by pre-trained teacher models. In this paper, we introduce a novel perspective by emphasizing the full utilization of…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Xinyi Shang , Peng Sun , Tao Lin

Supervised fine-tuning (SFT) of large language models can be viewed as an off-policy learning problem, where expert demonstrations come from a fixed behavior policy while training aims to optimize a target policy. Importance sampling is the…

Machine Learning · Computer Science 2025-09-22 Shiwan Zhao , Xuyang Zhao , Jiaming Zhou , Aobo Kong , Qicheng Li , Yong Qin

Parameter-efficient fine-tuning (PEFT) has become a common method for fine-tuning large language models, where a base model can serve multiple users through PEFT module switching. To enhance user experience, base models require periodic…

Computation and Language · Computer Science 2025-06-10 Naibin Gu , Peng Fu , Xiyu Liu , Ke Ma , Zheng Lin , Weiping Wang

Parameter Efficient Fine-Tuning (PEFT) is a key technique for adapting a large pretrained model to downstream tasks by fine-tuning only a small number of parameters. Recent methods based on Fourier transforms have further reduced the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Baoquan Zhang , Zhehao Yu , Lisai Zhang , Kenghong Lin , Tianran Chen , Yuxi Sun , Yunming Ye , Yao He

The rapid advancement of text-to-image (T2I) models has increased the need for reliable human preference modeling, a demand further amplified by recent progress in reinforcement learning for preference alignment. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Yuxiang Guo , Jiang Liu , Ze Wang , Hao Chen , Ximeng Sun , Yang Zhao , Jialian Wu , Xiaodong Yu , Zicheng Liu , Emad Barsoum

Fine-tuning Large Language Models (LLMs) adapts a trained model to specific downstream tasks, significantly improving task-specific performance. Supervised Fine-Tuning (SFT) is a common approach, where an LLM is trained to produce desired…

Machine Learning · Computer Science 2024-01-03 Qianxi Li , Yingyue Cao , Jikun Kang , Tianpei Yang , Xi Chen , Jun Jin , Matthew E. Taylor

In recent years, developing compact and efficient large language models (LLMs) has emerged as a thriving area of research. Traditional Supervised Fine-Tuning (SFT), which relies on singular ground truth labels, often fails to capture…

Machine Learning · Computer Science 2025-06-12 Jingyao Li , Senqiao Yang , Sitong Wu , Han Shi , Chuanyang Zheng , Hong Xu , Jiaya Jia

Existing machine-generated text (MGT) detection methods implicitly assume labels as the "golden standard". However, we reveal boundary ambiguity in MGT detection, implying that traditional training paradigms are inexact. Moreover,…

Computation and Language · Computer Science 2025-11-04 Chenwang Wu , Yiu-ming Cheung , Bo Han , Defu Lian

In text-to-image models, consistent character generation is the task of achieving text alignment while maintaining the subject's appearance across different prompts. However, since style and appearance are often entangled, the existing…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Yohai Mazuz , Janna Bruner , Lior Wolf

One of the key shortcomings in current text-to-image (T2I) models is their inability to consistently generate images which faithfully follow the spatial relationships specified in the text prompt. In this paper, we offer a comprehensive…

Training text-to-image models with web scale image-text pairs enables the generation of a wide range of visual concepts from text. However, these pre-trained models often face challenges when it comes to generating highly aesthetic images.…

Image-to-Image (I2I) translation is a heated topic in academia, and it also has been applied in real-world industry for tasks like image synthesis, super-resolution, and colorization. However, traditional I2I translation methods train data…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Jialu Huang , Jing Liao , Sam Kwong

Image-text training like CLIP has dominated the pretraining of vision foundation models in recent years. Subsequent efforts have been made to introduce region-level visual learning into CLIP's pretraining but face scalability challenges due…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Xiaohu Jiang , Yixiao Ge , Yuying Ge , Dachuan Shi , Chun Yuan , Ying Shan

Synthetic image generation has opened up new opportunities but has also created threats in regard to privacy, authenticity, and security. Detecting fake images is of paramount importance to prevent illegal activities, and previous research…

Computer Vision and Pattern Recognition · Computer Science 2023-02-27 Md Awsafur Rahman , Bishmoy Paul , Najibul Haque Sarker , Zaber Ibn Abdul Hakim , Shaikh Anowarul Fattah

Current image generation models produce visually compelling but scientifically implausible images, exposing a fundamental gap between visual fidelity and physical realism. In this work, we introduce ScienceT2I, an expert-annotated dataset…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Jialuo Li , Wenhao Chai , Xingyu Fu , Haiyang Xu , Saining Xie