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The Instruction Following (IF) ability measures how well Multi-modal Large Language Models (MLLMs) understand exactly what users are telling them and whether they are doing it right. Existing multimodal instruction following training data…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Shengyuan Ding , Shenxi Wu , Xiangyu Zhao , Yuhang Zang , Haodong Duan , Xiaoyi Dong , Pan Zhang , Yuhang Cao , Dahua Lin , Jiaqi Wang

Direct Preference Optimization (DPO) has been proposed as an effective and efficient alternative to reinforcement learning from human feedback (RLHF). In this paper, we propose a novel and enhanced version of DPO based on curriculum…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Florinel-Alin Croitoru , Vlad Hondru , Radu Tudor Ionescu , Nicu Sebe , Mubarak Shah

Large language models (LLMs) have shown remarkable performance across various tasks, yet their ability to handle long-context reading remains challenging. This study explores the effectiveness of leveraging high-quality academic peer review…

Computation and Language · Computer Science 2024-11-11 Shengzhi Li , Kittipat Kampa , Rongyu Lin , Bohang Li , Shichao Pei

Image-based product attribute prediction in e-commerce is a crucial task with numerous applications. The supervised fine-tuning of Vision Language Models (VLMs) faces significant scale challenges due to the cost of manual or API based…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Mandar Kulkarni

Understanding the vulnerability of large-scale pre-trained vision-language models like CLIP against adversarial attacks is key to ensuring zero-shot generalization capacity on various downstream tasks. State-of-the-art defense mechanisms…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Fan Yang , Mingxuan Xia , Sangzhou Xia , Chicheng Ma , Hui Hui

The rapid growth of autonomous driving datasets has enabled the scaling of powerful motion forecasting models. While large-scale pretraining provides strong performance, the standard imitation objective may not fully capture the complex…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Zhefan Xu , Ghassen Jerfel , Marina Haliem , Qi Zhao , Jeonhyung Kang , Khaled S. Refaat

In the rapidly advancing field of conditional image generation research, challenges such as limited explainability lie in effectively evaluating the performance and capabilities of various models. This paper introduces VIEScore, a Visual…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Max Ku , Dongfu Jiang , Cong Wei , Xiang Yue , Wenhu Chen

Existing post-training techniques are broadly categorized into supervised fine-tuning (SFT) and reinforcement learning (RL) methods; the former is stable during training but suffers from limited generalization, while the latter, despite its…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Daoan Zhang , Guangchen Lan , Dong-Jun Han , Wenlin Yao , Xiaoman Pan , Hongming Zhang , Mingxiao Li , Pengcheng Chen , Yu Dong , Christopher Brinton , Jiebo Luo

Text-to-image diffusion models often face a severe trilemma in human portrait generation: text-image alignment, photorealism, and human-perceived aesthetics inherently inhibit one another. Supervised Fine-Tuning (SFT) is an effective method…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Yunlong Wang , Jinjin Shi , Wenbin Gao , Xuran Xu , Runyu Shi , Ying Huang

Direct Preference Optimization (DPO) is a method for enhancing model performance by directly optimizing for the preferences or rankings of outcomes, instead of traditional loss functions. This approach has proven effective in aligning Large…

Machine Learning · Computer Science 2024-09-18 Ruoyu Wang , Jiachen Sun , Shaowei Hua , Quan Fang

Large-scale vision-language pre-trained (VLP) models (e.g., CLIP) are renowned for their versatility, as they can be applied to diverse applications in a zero-shot setup. However, when these models are used in specific domains, their…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Anh-Quan Cao , Maximilian Jaritz , Matthieu Guillaumin , Raoul de Charette , Loris Bazzani

The increasing availability of image-text pairs has largely fueled the rapid advancement in vision-language foundation models. However, the vast scale of these datasets inevitably introduces significant variability in data quality, which…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Lei Zhang , Fangxun Shu , Tianyang Liu , Sucheng Ren , Hao Jiang , Cihang Xie

Existing Large Vision-Language Models (LVLMs) can process inputs with context lengths up to 128k visual and text tokens, yet they struggle to generate coherent outputs beyond 1,000 words. We find that the primary limitation is the absence…

Computer Vision and Pattern Recognition · Computer Science 2025-02-21 Shangqing Tu , Yucheng Wang , Daniel Zhang-Li , Yushi Bai , Jifan Yu , Yuhao Wu , Lei Hou , Huiqin Liu , Zhiyuan Liu , Bin Xu , Juanzi Li

Conditional image editing aims to modify a source image according to textual prompts and optional reference guidance. Such editing is crucial in scenarios requiring strict structural control (i.e., anomaly insertion in driving scenes and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Yuhan Pu , Hao Zheng , Ziqian Mo , Hill Zhang , Tianyi Fan , Shuhong Wu , Jiaheng Wei

Visually-guided image editing, where edits are conditioned on both visual cues and textual prompts, has emerged as a powerful paradigm for fine-grained, controllable content generation. Although recent generative models have shown…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Sara Ghazanfari , Wei-An Lin , Haitong Tian , Ersin Yumer

Human image generation is a key focus in image synthesis due to its broad applications, but even slight inaccuracies in anatomy, pose, or details can compromise realism. To address these challenges, we explore Direct Preference Optimization…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Sanghyeon Na , Yonggyu Kim , Hyunjoon Lee

A variety of text-guided image editing models have been proposed recently. However, there is no widely-accepted standard evaluation method mainly due to the subjective nature of the task, letting researchers rely on manual user study. To…

Computer Vision and Pattern Recognition · Computer Science 2025-05-02 Suho Ryu , Kihyun Kim , Eugene Baek , Dongsoo Shin , Joonseok Lee

It is highly desirable yet challenging to generate image captions that can describe novel objects which are unseen in caption-labeled training data, a capability that is evaluated in the novel object captioning challenge (nocaps). In this…

Computer Vision and Pattern Recognition · Computer Science 2021-03-08 Xiaowei Hu , Xi Yin , Kevin Lin , Lijuan Wang , Lei Zhang , Jianfeng Gao , Zicheng Liu

Existing methods for preference tuning of text-to-image (T2I) diffusion models often rely on computationally expensive generation steps to create positive and negative pairs of images. These approaches frequently yield training pairs that…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Sanjana Reddy , Ishaan Malhi , Sally Ma , Praneet Dutta

Image matting requires high-quality pixel-level human annotations to support the training of a deep model in recent literature. Whereas such annotation is costly and hard to scale, significantly holding back the development of the research.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Yanda Li , Zilong Huang , Gang Yu , Ling Chen , Yunchao Wei , Jianbo Jiao