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The evolution of video generation toward complex, multi-shot narratives has exposed a critical deficit in current evaluation methods. Existing benchmarks remain anchored to single-shot paradigms, lacking the comprehensive story assets and…

Multimedia · Computer Science 2026-03-02 Haoyuan Shi , Yunxin Li , Nanhao Deng , Zhenran Xu , Xinyu Chen , Longyue Wang , Baotian Hu , Min Zhang

Despite the rapid evolution and increasing efficacy of language and vision generative models, there remains a lack of comprehensive datasets that bridge the gap between personalized fashion needs and AI-driven design, limiting the potential…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Georgia Argyrou , Angeliki Dimitriou , Maria Lymperaiou , Giorgos Filandrianos , Giorgos Stamou

Personalized alignment of large language models seeks to adapt responses to individual user preferences, typically via reinforcement learning. A key challenge is obtaining accurate, user-specific reward signals in open-ended scenarios.…

Computation and Language · Computer Science 2026-02-13 Pinyi Zhang , Ting-En Lin , Yuchuan Wu , Jingyang Chen , Zongqi Wang , Hua Yang , Ze Xu , Fei Huang , Kai Zhang , Yongbin Li

The development of trustworthy conversational information-seeking systems relies on dialogue models that can generate faithful and accurate responses based on relevant knowledge texts. However, two main challenges hinder this task. Firstly,…

Computation and Language · Computer Science 2023-11-03 Wanyu Du , Yangfeng Ji

Visual designers naturally draw inspiration from multiple visual references, combining diverse elements and aesthetic principles to create artwork. However, current image generative frameworks predominantly rely on single-source inputs --…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Ruoxi Chen , Dongping Chen , Siyuan Wu , Sinan Wang , Shiyun Lang , Petr Sushko , Gaoyang Jiang , Yao Wan , Ranjay Krishna

Aligning multimodal generative models with human preferences demands reward signals that respect the compositional, multi-dimensional structure of human judgment. Prevailing RLHF approaches reduce this structure to scalar or pairwise…

Artificial Intelligence · Computer Science 2026-05-12 Juanxi Tian , Fengyuan Liu , Jiaming Han , Yilei Jiang , Yongliang Wu , Yesheng Liu , Haodong Li , Furong Xu , Wanhua Li

Graph Retrieval Augmented Generation (GraphRAG) has garnered increasing recognition for its potential to enhance large language models (LLMs) by structurally organizing domain-specific corpora and facilitating complex reasoning. However,…

Computation and Language · Computer Science 2025-06-23 Yilin Xiao , Junnan Dong , Chuang Zhou , Su Dong , Qian-wen Zhang , Di Yin , Xing Sun , Xiao Huang

Benchmarks are the de facto standard for tracking progress in large language models (LLMs), yet static test sets can rapidly saturate, become vulnerable to contamination, and are costly to refresh. Scalable evaluation of open-ended items…

Computation and Language · Computer Science 2026-03-24 Yandan Zheng , Haoran Luo , Zhenghong Lin , Wenjin Liu , Luu Anh Tuan

A reliable reward function is essential for reinforcement learning (RL) in image generation. Most current RL approaches depend on pre-trained preference models that output scalar rewards to approximate human preferences. However, these…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Weijia Mao , Hao Chen , Zhenheng Yang , Mike Zheng Shou

Current metrics for text-to-image models typically rely on statistical metrics which inadequately represent the real preference of humans. Although recent work attempts to learn these preferences via human annotated images, they reduce the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Sixian Zhang , Bohan Wang , Junqiang Wu , Yan Li , Tingting Gao , Di Zhang , Zhongyuan Wang

Recent advances in image generation models have expanded their applications beyond aesthetic imagery toward practical visual content creation. However, existing benchmarks mainly focus on natural image synthesis and fail to systematically…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Yan Li , Zezi Zeng , Ziwei Zhou , Xin Gao , Muzhao Tian , Yifan Yang , Mingxi Cheng , Qi Dai , Yuqing Yang , Lili Qiu , Zhendong Wang , Zhengyuan Yang , Xue Yang , Lijuan Wang , Ji Li , Chong Luo

Reward Models (RMs) are critical components in the Reinforcement Learning from Human Feedback (RLHF) pipeline, directly determining the alignment quality of Large Language Models (LLMs). Recently, Generative Reward Models (GRMs) have…

Artificial Intelligence · Computer Science 2026-04-21 Kai Qin , Liangxin Liu , Yu Liang , Longzheng Wang , Yan Wang , Yueyang Zhang , Long Xia , Zhiyuan Sun , Houde Liu , Daiting Shi

Traditional preference tuning methods for LLMs/Visual Generative Models often rely solely on reward model labeling, which can be opaque, offer limited insights into the rationale behind preferences, and are prone to issues such as reward…

Machine Learning · Computer Science 2026-01-13 Hanyang Zhao , Haoxian Chen , Yucheng Guo , Genta Indra Winata , Tingting Ou , Ziyu Huang , David D. Yao , Wenpin Tang

Nowadays, rating systems play a crucial role in the attraction of customers for different services. However, as it is difficult to detect a fake rating, attackers can potentially impact the rating's aggregated score unfairly. This malicious…

Computer Science and Game Theory · Computer Science 2022-08-05 Iman Vakilinia , Peyman Faizian , Mohammad Mahdi Khalili

Large Language Models (LLMs) have shown significant potential in designing reward functions for Reinforcement Learning (RL) tasks. However, obtaining high-quality reward code often involves human intervention, numerous LLM queries, or…

Machine Learning · Computer Science 2024-10-21 Shengjie Sun , Runze Liu , Jiafei Lyu , Jing-Wen Yang , Liangpeng Zhang , Xiu Li

Generating images conditioned on multiple visual references is critical for real-world applications such as multi-subject composition, narrative illustration, and novel view synthesis, yet current models suffer from severe performance…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Zhekai Chen , Yuqing Wang , Manyuan Zhang , Xihui Liu

Common image editing tasks typically adopt powerful generative diffusion models as the leading paradigm for real-world content editing. Meanwhile, although reinforcement learning (RL) methods such as Diffusion-DPO and Flow-GRPO have further…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Fan Li , Chonghuinan Wang , Lina Lei , Yuping Qiu , Jiaqi Xu , Jiaxiu Jiang , Xinran Qin , Zhikai Chen , Fenglong Song , Zhixin Wang , Renjing Pei , Wangmeng Zuo

The integration of Large Language Model (LLM) agents is transforming recommender systems from simple query-item matching towards deeply personalized and interactive recommendations. Reinforcement Learning (RL) provides an essential…

Creating advertising images is often a labor-intensive and time-consuming process. Can we automatically generate such images using basic product information like a product foreground image, taglines, and a target size? Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Hongyu Chen , Min Zhou , Jing Jiang , Jiale Chen , Yang Lu , Zihang Lin , Bo Xiao , Tiezheng Ge , Bo Zheng

Aligning Text-to-Image (T2I) generation models with human preferences increasingly relies on image reward models that score or rank generated images according to prompt alignment and perceptual quality. Existing reward models are commonly…

Artificial Intelligence · Computer Science 2026-05-22 Kuei-Chun Kao , Daixuan Huo , Yuanhao Ban , Cho-Jui Hsieh