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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 encoding methods like CLIP face limitations, and aligning the…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Luping Liu , Chao Du , Tianyu Pang , Zehan Wang , Chongxuan Li , Dong Xu

We present an innovative approach to 3D Human Pose Estimation (3D-HPE) by integrating cutting-edge diffusion models, which have revolutionized diverse fields, but are relatively unexplored in 3D-HPE. We show that diffusion models enhance…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Cédric Rommel , Eduardo Valle , Mickaël Chen , Souhaiel Khalfaoui , Renaud Marlet , Matthieu Cord , Patrick Pérez

Text-To-Image (TTI) Diffusion Models such as DALL-E and Stable Diffusion are capable of generating images from text prompts. However, they have been shown to perpetuate gender stereotypes. These models process data internally in multiple…

计算机视觉与模式识别 · 计算机科学 2024-10-11 Abhishek Mandal , Susan Leavy , Suzanne Little

Conversational recommendation systems (CRS) aim to interactively acquire user preferences and accordingly recommend items to users. Accurately learning the dynamic user preferences is of crucial importance for CRS. Previous works learn the…

信息检索 · 计算机科学 2023-07-27 Sen Zhao , Wei Wei , Xian-Ling Mao , Shuai Zhu , Minghui Yang , Zujie Wen , Dangyang Chen , Feida Zhu

We fine-tuned a foundational stable diffusion model using X-ray scattering images and their corresponding descriptions to generate new scientific images from given prompts. However, some of the generated images exhibit significant…

图像与视频处理 · 电气工程与系统科学 2024-08-26 Zhuowen Zhao , Xiaoya Chong , Tanny Chavez , Alexander Hexemer

Monocular 3D human pose estimation (HPE) often encounters challenges such as depth ambiguity and occlusion during the 2D-to-3D lifting process. Additionally, traditional methods may overlook multi-scale skeleton features when utilizing…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Bing Han , Yuhua Huang , Pan Gao

Aligning language models with human preferences through reinforcement learning from human feedback is crucial for their safe and effective deployment. The human preference is typically represented through comparison where one response is…

机器学习 · 计算机科学 2025-07-15 Hoang Anh Just , Ming Jin , Anit Sahu , Huy Phan , Ruoxi Jia

The recently introduced Consistency models pose an efficient alternative to diffusion algorithms, enabling rapid and good quality image synthesis. These methods overcome the slowness of diffusion models by directly mapping noise to data,…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Shelly Golan , Roy Ganz , Michael Elad

Recent advancements in diffusion models have significantly impacted content creation, leading to the emergence of Personalized Content Synthesis (PCS). By utilizing a small set of user-provided examples featuring the same subject, PCS aims…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Xulu Zhang , Xiaoyong Wei , Wentao Hu , Jinlin Wu , Jiaxin Wu , Wengyu Zhang , Zhaoxiang Zhang , Zhen Lei , Qing Li

Deep image restoration models aim to learn a mapping from degraded image space to natural image space. However, they face several critical challenges: removing degradation, generating realistic details, and ensuring pixel-level consistency.…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Xinqi Lin , Fanghua Yu , Jinfan Hu , Zhiyuan You , Wu Shi , Jimmy S. Ren , Jinjin Gu , Chao Dong

Generating a 3D human model from a single reference image is challenging because it requires inferring textures and geometries in invisible views while maintaining consistency with the reference image. Previous methods utilizing 3D…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Jingbo Zhang , Xiaoyu Li , Qi Zhang , Yanpei Cao , Ying Shan , Jing Liao

Score-based generative modeling, informally referred to as diffusion models, continue to grow in popularity across several important domains and tasks. While they provide high-quality and diverse samples from empirical distributions,…

机器学习 · 统计学 2023-12-29 Jacopo Teneggi , Matthew Tivnan , J. Webster Stayman , Jeremias Sulam

Different users find different images generated for the same prompt desirable. This gives rise to personalized image generation which involves creating images aligned with an individual's visual preference. Current generative models are,…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Sogand Salehi , Mahdi Shafiei , Teresa Yeo , Roman Bachmann , Amir Zamir

Direct preference optimization (DPO) methods have shown strong potential in aligning text-to-image diffusion models with human preferences by training on paired comparisons. These methods improve training stability by avoiding the REINFORCE…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Yi-Lun Wu , Bo-Kai Ruan , Chiang Tseng , Hong-Han Shuai

Diffusion-based generative models demonstrate state-of-the-art performance across various image synthesis tasks, yet their tendency to replicate and amplify dataset biases remains poorly understood. Although previous research has viewed…

机器学习 · 计算机科学 2025-12-24 Nathan Roos , Ekaterina Iakovleva , Ani Gjergji , Vito Paolo Pastore , Enzo Tartaglione

Recent text-conditioned image generation models have demonstrated an exceptional capacity to produce diverse and creative imagery with high visual quality. However, when pre-trained on billion-sized datasets randomly collected from the…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Yue Jiang , Yueming Lyu , Tianxiang Ma , Bo Peng , Jing Dong

Diffusion models have emerged as the leading paradigm in generative modeling, excelling in various applications. Despite their success, these models often misalign with human intentions and generate results with undesired properties or even…

机器学习 · 计算机科学 2026-02-06 Buhua Liu , Shitong Shao , Bao Li , Lichen Bai , Zhiqiang Xu , Haoyi Xiong , James Kwok , Sumi Helal , Zeke Xie

Text-to-image (T2I) models achieve high-fidelity generation through extensive training on large datasets. However, these models may unintentionally pick up undesirable biases of their training data, such as over-representation of particular…

计算机视觉与模式识别 · 计算机科学 2024-07-01 Shufan Li , Harkanwar Singh , Aditya Grover

Diffusion-based generative models' impressive ability to create convincing images has garnered global attention. However, their complex internal structures and operations often pose challenges for non-experts to grasp. We introduce…

Estimating human pose is an important yet challenging task in multimedia applications. Existing pose estimation libraries target reproducing standard pose estimation algorithms. When it comes to customising these algorithms for real-world…

计算机视觉与模式识别 · 计算机科学 2022-10-27 Yixiao Guo , Jiawei Liu , Guo Li , Luo Mai , Hao Dong