中文
相关论文

相关论文: Refining Few-Step Text-to-Multiview Diffusion via …

200 篇论文

Diffusion models recently emerged as a powerful paradigm for recommender systems, offering state-of-the-art performance by modeling the generative process of user-item interactions. However, training such models from scratch is both…

信息检索 · 计算机科学 2025-11-11 Yu Hou , Hua Li , Ha Young Kim , Won-Yong Shin

Fine-grained text-to-image retrieval aims to retrieve a fine-grained target image with a given text query. Existing methods typically assume that each training image is accurately depicted by its textual descriptions. However, textual…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Zehong Ma , Hao Chen , Wei Zeng , Limin Su , Shiliang Zhang

While image generation techniques are now capable of producing high-quality images that respect prompts which span multiple sentences, the task of text-guided image editing remains a challenge. Even edit requests that consist of only a few…

Over the past few years, Text-to-Image (T2I) generation approaches based on diffusion models have gained significant attention. However, vanilla diffusion models often suffer from spelling inaccuracies in the text displayed within the…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Sanyam Lakhanpal , Shivang Chopra , Vinija Jain , Aman Chadha , Man Luo

Reinforcement learning (RL)-based fine-tuning has emerged as a powerful approach for aligning diffusion models with black-box objectives. Proximal policy optimization (PPO) is a popular choice of method for policy optimization. While…

Reinforcement learning (RL) has been widely used in training large language models (LLMs) for preventing unexpected outputs, eg reducing harmfulness and errors. However, existing RL methods mostly adopt the instance-level reward, which is…

计算与语言 · 计算机科学 2024-06-18 Zhipeng Chen , Kun Zhou , Wayne Xin Zhao , Junchen Wan , Fuzheng Zhang , Di Zhang , Ji-Rong Wen

Text-to-image diffusion models are typically trained to optimize the log-likelihood objective, which presents challenges in meeting specific requirements for downstream tasks, such as image aesthetics and image-text alignment. Recent…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Chaofeng Chen , Annan Wang , Haoning Wu , Liang Liao , Wenxiu Sun , Qiong Yan , Weisi Lin

The rapid progress in diffusion-based text-to-image (T2I) generation has created an urgent need for interpretable automatic evaluation methods that can assess the quality of generated images, therefore reducing the human annotation burden.…

人工智能 · 计算机科学 2025-05-26 Zi-Ao Ma , Tian Lan , Rong-Cheng Tu , Shu-Hang Liu , Heyan Huang , Zhijing Wu , Chen Xu , Xian-Ling Mao

The field of advanced text-to-image generation is witnessing the emergence of unified frameworks that integrate powerful text encoders, such as CLIP and T5, with Diffusion Transformer backbones. Although there have been efforts to control…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Liang Chen , Shuai Bai , Wenhao Chai , Weichu Xie , Haozhe Zhao , Leon Vinci , Junyang Lin , Baobao Chang

Machine unlearning in text-to-image diffusion models aims to remove targeted concepts while preserving overall utility. Prior diffusion unlearning methods typically rely on supervised weight edits or global penalties; reinforcement-learning…

机器学习 · 计算机科学 2026-02-17 Mykola Vysotskyi , Zahar Kohut , Mariia Shpir , Taras Rumezhak , Volodymyr Karpiv

Recently, multi-view learning (MVL) has garnered significant attention due to its ability to fuse discriminative information from multiple views. However, real-world multi-view datasets are often heterogeneous and imperfect, which usually…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Jie Xu , Na Zhao , Gang Niu , Masashi Sugiyama , Xiaofeng Zhu

Diffusion models have shown impressive performance in many visual generation and manipulation tasks. Many existing methods focus on training a model for a specific task, especially, text-to-video (T2V) generation, while many other works…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Ruibin Li , Tao Yang , Yangming Shi , Weiguo Feng , Shilei Wen , Bingyue Peng , Lei Zhang

Multimodal large language models via reinforcement learning (RL) have demonstrated remarkable capabilities in complex visual reasoning tasks, yet they remain limited in long-horizon multimodal scenarios, often suffering from visual…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Chenghao Li , Fusheng Hao , Xikai Zhang , Likang Xiao , Yanwei Ren , Fuxiang Wu , Quan Chen , Liu Liu

Reinforcement learning (RL) has emerged as an effective post-training paradigm for enhancing the reasoning capabilities of multimodal large language model (MLLM). However, current RL pipelines often suffer from training inefficiencies…

机器学习 · 计算机科学 2026-03-04 Linghao Zhu , Yiran Guan , Dingkang Liang , Jianzhong Ju , Zhenbo Luo , Bin Qin , Jian Luan , Yuliang Liu , Xiang Bai

Most text-to-video(T2V) diffusion models depend on pre-trained text encoders for semantic alignment, yet they often fail to maintain video quality when provided with concise prompts rather than well-designed ones. The primary issue lies in…

计算机视觉与模式识别 · 计算机科学 2025-11-07 Xiangjun Zhang , Litong Gong , Yinglin Zheng , Yansong Liu , Wentao Jiang , Mingyi Xu , Biao Wang , Tiezheng Ge , Ming Zeng

This tutorial provides a comprehensive survey of methods for fine-tuning diffusion models to optimize downstream reward functions. While diffusion models are widely known to provide excellent generative modeling capability, practical…

机器学习 · 计算机科学 2024-07-19 Masatoshi Uehara , Yulai Zhao , Tommaso Biancalani , Sergey Levine

Reinforcement learning (RL) has emerged as a powerful tool for aligning diffusion models with human preferences, typically by optimizing a single reward function under a KL regularization constraint. In practice, however, human preferences…

机器学习 · 计算机科学 2026-04-17 Qi Zhang , Dawei Wang , Shaofeng Zou

In text-to-image person retrieval tasks, the diversity of natural language expressions and the implicitness of visual semantics often lead to the problem of Expression Drift, where semantically equivalent texts exhibit significant feature…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Chao Yuan , Yujian Zhao , Haoxuan Xu , Guanglin Niu

People get informed of a daily task plan through diverse media involving both texts and images. However, most prior research only focuses on LLM's capability of textual plan generation. The potential of large-scale models in providing…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Xiaoxin Lu , Ranran Haoran Zhang , Yusen Zhang , Rui Zhang

Reinforcement Learning with Verifiable Rewards (RLVR) plays a key role in stimulating the explicit reasoning capability of Large Language Models (LLMs). We can achieve expert-level performance in some specific domains via RLVR, such as…

人工智能 · 计算机科学 2026-03-12 Haoqing Wang , Xiang Long , Ziheng Li , Yilong Xu , Tingguang Li , Yehui Tang