English
Related papers

Related papers: Edit-GRPO: A Locality-Preserving Policy Optimizati…

200 papers

Image restoration is the task of recovering a clean image from a degraded version. In most cases, the degradation is spatially varying, and it requires the restoration network to both localize and restore the affected regions. In this…

Image and Video Processing · Electrical Eng. & Systems 2022-01-04 Maitreya Suin , Kuldeep Purohit , A. N. Rajagopalan

Image editing affords increased control over the aesthetics and content of generated images. Pre-existing works focus predominantly on text-based instructions to achieve desired image modifications, which limit edit precision and accuracy.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Bowen Li , Yongxin Yang , Steven McDonagh , Shifeng Zhang , Petru-Daniel Tudosiu , Sarah Parisot

Generative Adversarial Network (GAN) based localized image editing can suffer from ambiguity between semantic attributes. We thus present a novel objective function to evaluate the locality of an image edit. By introducing the supervision…

Computer Vision and Pattern Recognition · Computer Science 2022-02-18 Ehsan Pajouheshgar , Tong Zhang , Sabine Süsstrunk

Direct Preference Optimization (DPO) and related methods align large language models from pairwise preferences by regularizing updates against a fixed reference policy. As the policy drifts, a static reference, however, can become…

Machine Learning · Computer Science 2026-05-18 Youngjae Cho , Jongsuk Kim , Ji-Hoon Kim

Face retouching requires removing subtle imperfections while preserving unique facial identity features, in order to enhance overall aesthetic appeal. However, existing methods suffer from a fundamental trade-off. Supervised learning on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Jiachen Yang , Xianhui Lin , Yi Dong , Zebiao Zheng , Xing Liu , Hong Gu , Yanmei Fang

High-resolution content creation is rapidly emerging as a central challenge in both the vision and graphics communities. Images serve as the most fundamental modality for visual expression, and content generation that aligns with the user…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Junsung Lee , Hyunsoo Lee , Yong Jae Lee , Bohyung Han

Group Relative Policy Optimization (GRPO) has emerged as a popular algorithm for reinforcement learning with large language models (LLMs). However, upon analyzing its clipping mechanism, we argue that it is suboptimal in certain scenarios.…

Machine Learning · Computer Science 2026-01-08 Chi Liu , Xin Chen

Recent advances in image editing have been driven by the development of denoising diffusion models, marking a significant leap forward in this field. Despite these advances, the generalization capabilities of recent image editing approaches…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Zichong Meng , Changdi Yang , Jun Liu , Hao Tang , Pu Zhao , Yanzhi Wang

Recent advancements in Reinforcement Learning (RL), particularly Group Relative Policy Optimization (GRPO), have significantly enhanced the reasoning capabilities of Large Language Models. However, applying these problem-centric…

Computation and Language · Computer Science 2026-05-26 Yihong Tang , Kehai Chen , Liang Yue , Benyou Wang , Min Zhang

Instruction-based image editing enables natural-language control over visual modifications, yet existing models falter under Instruction-Visual Complexity (IV-Complexity), where intricate instructions meet cluttered or ambiguous scenes. We…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Tianyuan Qu , Lei Ke , Xiaohang Zhan , Longxiang Tang , Yuqi Liu , Bohao Peng , Bei Yu , Dong Yu , Jiaya Jia

The performance of image generation has been significantly improved in recent years. However, the study of image screening is rare and its performance with Multimodal Large Language Models (MLLMs) is unsatisfactory due to the lack of data…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Zhiyuan Hu , Zheng Sun , Yi Wei , Long Yu

Foreground-conditioned inpainting, which aims at generating a harmonious background for a given foreground subject based on the text prompt, is an important subfield in controllable image generation. A common challenge in current methods,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Qirui Li , Yizhe Tang , Ran Yi , Guangben Lu , Fangyuan Zou , Peng Shu , Huan Yu , Jie Jiang

Given an image, generating its natural language description (i.e., caption) is a well studied problem. Approaches proposed to address this problem usually rely on image features that are difficult to interpret. Particularly, these image…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Aditya Mogadala , Xiaoyu Shen , Dietrich Klakow

Scene Text Editing (STE) involves replacing text in a scene image with new target text while preserving both the original text style and background texture. Existing methods suffer from two major challenges: inconsistency and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Fuxiang Yang , Tonghua Su , Donglin Di , Yin Chen , Xiangqian Wu , Zhongjie Wang , Lei Fan

Optimizing communication topology is fundamental to the efficiency and effectiveness of Large Language Model (LLM)-based Multi-Agent Systems (MAS). While recent approaches utilize reinforcement learning to dynamically construct…

Computation and Language · Computer Science 2026-03-04 Yueyang Cang , Xiaoteng Zhang , Erlu Zhao , Zehua Ji , Yuhang Liu , Yuchen He , Zhiyuan Ning , Chen Yijun , Wenge Que , Li Shi

We present SMART-Editor, a framework for compositional layout and content editing across structured (posters, websites) and unstructured (natural images) domains. Unlike prior models that perform local edits, SMART-Editor preserves global…

Computation and Language · Computer Science 2025-08-06 Ishani Mondal , Meera Bharadwaj , Ayush Roy , Aparna Garimella , Jordan Lee Boyd-Graber

Recently, the editing of neural radiance fields (NeRFs) has gained considerable attention, but most prior works focus on static scenes while research on the appearance editing of dynamic scenes is relatively lacking. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Shangzan Zhang , Sida Peng , Yinji ShenTu , Qing Shuai , Tianrun Chen , Kaicheng Yu , Hujun Bao , Xiaowei Zhou

Many 3D scene editing tasks focus on modifying local regions rather than the entire scene, except for some global applications like style transfer, and in the context of 3D Gaussian Splatting (3DGS), where scenes are represented by a series…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Lanqing Guo , Yufei Wang , Hezhen Hu , Yan Zheng , Yeying Jin , Siyu Huang , Zhangyang Wang

Blind Face Restoration (BFR) encounters inherent challenges in exploring its large solution space, leading to common artifacts like missing details and identity ambiguity in the restored images. To tackle these challenges, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Bin Wu , Yahui Liu , Chi Zhang , Yao Zhao , Wei Wang

Image manipulation under the guidance of textual descriptions has recently received a broad range of attention. In this study, we focus on the regional editing of images with the guidance of given text prompts. Different from current…

Computer Vision and Pattern Recognition · Computer Science 2023-02-24 Nisha Huang , Fan Tang , Weiming Dong , Tong-Yee Lee , Changsheng Xu