English
Related papers

Related papers: From Prompts to Printable Models: Support-Effectiv…

200 papers

Efficient training strategies for large-scale diffusion models have recently emphasized the importance of improving discriminative feature representations in these models. A central line of work in this direction is representation alignment…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Junno Yun , Yaşar Utku Alçalar , Mehmet Akçakaya

Diffusion models have achieved state-of-the-art performance across multiple domains, with recent advancements extending their applicability to discrete data. However, aligning discrete diffusion models with task-specific preferences remains…

Machine Learning · Computer Science 2025-04-10 Umberto Borso , Davide Paglieri , Jude Wells , Tim Rocktäschel

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…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Yi-Lun Wu , Bo-Kai Ruan , Chiang Tseng , Hong-Han Shuai

The emergence of Retrieval-augmented generation (RAG) has alleviated the issues of outdated and hallucinatory content in the generation of large language models (LLMs), yet it still reveals numerous limitations. When a general-purpose LLM…

Computation and Language · Computer Science 2024-12-20 Jiayi Wu , Hengyi Cai , Lingyong Yan , Hao Sun , Xiang Li , Shuaiqiang Wang , Dawei Yin , Ming Gao

Due to the lack of large-scale text-3D correspondence data, recent text-to-3D generation works mainly rely on utilizing 2D diffusion models for synthesizing 3D data. Since diffusion-based methods typically require significant optimization…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Bin-Shih Wu , Hong-En Chen , Sheng-Yu Huang , Yu-Chiang Frank Wang

Human video generation has advanced rapidly with the development of diffusion models, but the high computational cost and substantial memory consumption associated with training these models on high-resolution, multi-frame data pose…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Changlin Li , Jiawei Zhang , Shuhao Liu , Sihao Lin , Zeyi Shi , Zhihui Li , Xiaojun Chang

We present SparseGen, a novel framework for efficient image-to-3D generation, which exhibits low input-view bias while being significantly faster. Unlike traditional approaches that rely on dense volumetric grids, triplanes, or…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Zhiyuan Xu , Jiuming Liu , Yuxin Chen , Masayoshi Tomizuka , Chenfeng Xu , Chensheng Peng

This paper introduces a novel approach to aesthetic quality improvement in pre-trained text-to-image diffusion models when given a simple prompt. Our method, dubbed Prompt Embedding Optimization (PEO), leverages a pre-trained text-to-image…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Hovhannes Margaryan , Bo Wan , Tinne Tuytelaars

Recent advancements in reinforcement learning from human feedback have shown that utilizing fine-grained token-level reward models can substantially enhance the performance of Proximal Policy Optimization (PPO) in aligning large language…

Machine Learning · Computer Science 2025-06-18 Mingkang Zhu , Xi Chen , Zhongdao Wang , Bei Yu , Hengshuang Zhao , Jiaya Jia

Text-to-3D generation is to craft a 3D object according to a natural language description. This can significantly reduce the workload for manually designing 3D models and provide a more natural way of interaction for users. However, this…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Han Yi , Zhedong Zheng , Xiangyu Xu , Tat-seng Chua

This work presents a generative modeling approach based on successive subspace learning (SSL). Unlike most generative models in the literature, our method does not utilize neural networks to analyze the underlying source distribution and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Zohreh Azizi , C. -C. Jay Kuo

Offline paired preference optimization algorithms have become a popular approach for fine-tuning on preference data, outperforming traditional supervised fine-tuning in various tasks. However, traditional implementations often involve…

Machine Learning · Computer Science 2024-11-01 Franklin Wang , Sumanth Hegde

As an emerging computing paradigm, edge computing offers computing resources closer to the data sources, helping to improve the service quality of many real-time applications. A crucial problem is designing a rational pricing mechanism to…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-15 Haosong Peng , Yufeng Zhan , DiHua Zhai , Xiaopu Zhang , Yuanqing Xia

Recent advancements in large language model alignment leverage token-level supervisions to perform fine-grained preference optimization. However, existing token-level alignment methods either optimize on all available tokens, which can be…

Computation and Language · Computer Science 2025-11-07 Kailai Yang , Zhiwei Liu , Qianqian Xie , Jimin Huang , Erxue Min , Sophia Ananiadou

Aerodynamic inverse design can improve vehicle and aircraft efficiency, but practical design rarely seeks performance alone: vehicle refinement must reduce drag while preserving visual features linked to design language, brand recognition…

Machine Learning · Computer Science 2026-05-29 Huaguan Chen , Ning Lin , Luxi Chen , Jiacheng Cen , Rui Zhang , Wenbing Huang , Chongxuan Li , Hao Sun

Recent advances in deep learning have significantly transformed the field of 3D shape generation, enabling the synthesis of complex, diverse, and semantically meaningful 3D objects. This survey provides a comprehensive overview of the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Nicolas Caytuiro , Ivan Sipiran

We introduce a 3D detailizer, a neural model which can instantaneously (in <1s) transform a coarse 3D shape proxy into a high-quality asset with detailed geometry and texture as guided by an input text prompt. Our model is trained using the…

Graphics · Computer Science 2025-09-30 Qimin Chen , Yuezhi Yang , Wang Yifan , Vladimir G. Kim , Siddhartha Chaudhuri , Hao Zhang , Zhiqin Chen

Resource-efficient training optimization techniques are becoming increasingly important as the size of large language models (LLMs) continues to grow. In particular, batch packing is commonly used in pre-training and supervised fine-tuning…

Computation and Language · Computer Science 2026-03-02 Jaekyung Cho

Text-to-3D generation based on diffusion models often suffers from the Janus problem, leading to inconsistent geometry across viewpoints. This work identifies viewpoint bias in 2D diffusion priors as the main cause and proposes Structural…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Qing Zhang , Jinguang Tong , Jing Zhang , Jie Hong , Xuesong Li

Direct Preference Optimization (DPO) has emerged as a popular algorithm for aligning pretrained large language models with human preferences, owing to its simplicity and training stability. However, DPO suffers from the recently identified…

Machine Learning · Computer Science 2026-03-20 Haocheng Luo , Zehang Deng , Thanh-Toan Do , Mehrtash Harandi , Dinh Phung , Trung Le