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Diffusion models have achieved remarkable advancements in text-to-image generation. However, existing models still have many difficulties when faced with multiple-object compositional generation. In this paper, we propose RealCompo, a new…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Xinchen Zhang , Ling Yang , Yaqi Cai , Zhaochen Yu , Kai-Ni Wang , Jiake Xie , Ye Tian , Minkai Xu , Yong Tang , Yujiu Yang , Bin Cui

A robust evaluation metric has a profound impact on the development of text generation systems. A desirable metric compares system output against references based on their semantics rather than surface forms. In this paper we investigate…

Computation and Language · Computer Science 2019-09-27 Wei Zhao , Maxime Peyrard , Fei Liu , Yang Gao , Christian M. Meyer , Steffen Eger

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

Text-to-image generative models have recently attracted considerable interest, enabling the synthesis of high-quality images from textual prompts. However, these models often lack the capability to generate specific subjects from given…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Yanting Miao , William Loh , Suraj Kothawade , Pascal Poupart , Abdullah Rashwan , Yeqing Li

Despite significant progress in Text-to-Image (T2I) generative models, even lengthy and complex text descriptions still struggle to convey detailed controls. In contrast, Layout-to-Image (L2I) generation, aiming to generate realistic and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Chengyou Jia , Minnan Luo , Zhuohang Dang , Guang Dai , Xiaojun Chang , Mengmeng Wang , Jingdong Wang

Diffusion models have recently achieved significant success in various image manipulation tasks, including image super-resolution and perceptual quality enhancement. Pretrained text-to-image models, such as Stable Diffusion, have exhibited…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Sanchar Palit , Subhasis Chaudhuri , Biplab Banerjee

Deep neural networks have achieved promising results in automatic image captioning due to their effective representation learning and context-based content generation capabilities. As a prominent type of deep features used in many of the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Ali Abedi , Hossein Karshenas , Peyman Adibi

Text-to-image (T2I) diffusion models excel at generating photorealistic images but often fail to render accurate spatial relationships. We identify two core issues underlying this common failure: 1) the ambiguous nature of data concerning…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Gaoyang Zhang , Bingtao Fu , Qingnan Fan , Qi Zhang , Runxing Liu , Hong Gu , Huaqi Zhang , Xinguo Liu

Visual-spatial understanding, the ability to infer object relationships and layouts from visual input, is fundamental to downstream tasks such as robotic navigation and embodied interaction. However, existing methods face spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Haoyu Zhang , Meng Liu , Zaijing Li , Haokun Wen , Weili Guan , Yaowei Wang , Liqiang Nie

Instruction-guided image editing has achieved remarkable progress, yet current models still face challenges with complex instructions and often require multiple samples to produce a desired result. Reinforcement Learning (RL) offers a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Xin Luo , Jiahao Wang , Chenyuan Wu , Shitao Xiao , Xiyan Jiang , Defu Lian , Jiajun Zhang , Dong Liu , Zheng liu

Retrieval augmented models are becoming increasingly popular for computer vision tasks after their recent success in NLP problems. The goal is to enhance the recognition capabilities of the model by retrieving similar examples for the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Ahmet Iscen , Alireza Fathi , Cordelia Schmid

State-of-the-art deep learning methods have shown a remarkable capacity to model complex data domains, but struggle with geospatial data. In this paper, we introduce SpaceGAN, a novel generative model for geospatial domains that learns…

Machine Learning · Computer Science 2019-05-24 Konstantin Klemmer , Adriano Koshiyama , Sebastian Flennerhag

Advanced diffusion models like RPG, Stable Diffusion 3 and FLUX have made notable strides in compositional text-to-image generation. However, these methods typically exhibit distinct strengths for compositional generation, with some…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Xinchen Zhang , Ling Yang , Guohao Li , Yaqi Cai , Jiake Xie , Yong Tang , Yujiu Yang , Mengdi Wang , Bin Cui

Recognizing spatial relations and reasoning about them is essential in multiple applications including navigation, direction giving and human-computer interaction in general. Spatial relations between objects can either be explicit --…

Computation and Language · Computer Science 2020-07-21 Soham Dan , Hangfeng He , Dan Roth

Fine-grained visual reasoning remains a core challenge for multimodal large language models (MLLMs). The recently introduced ReasonMap highlights this gap by showing that even advanced MLLMs struggle with spatial reasoning in structured and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Sicheng Feng , Kaiwen Tuo , Song Wang , Lingdong Kong , Jianke Zhu , Huan Wang

Recent works have demonstrated that using reinforcement learning (RL) with multiple quality rewards can improve the quality of generated images in text-to-image (T2I) generation. However, manually adjusting reward weights poses challenges…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Seung Hyun Lee , Yinxiao Li , Junjie Ke , Innfarn Yoo , Han Zhang , Jiahui Yu , Qifei Wang , Fei Deng , Glenn Entis , Junfeng He , Gang Li , Sangpil Kim , Irfan Essa , Feng Yang

Text-to-image models are powerful for producing high-quality images based on given text prompts, but crafting these prompts often requires specialized vocabulary. To address this, existing methods train rewriting models with supervision…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Hongji Yang , Yucheng Zhou , Wencheng Han , Jianbing Shen

Reward modeling is central to alignment pipelines such as RLHF, RLAIF, and PPO-based policy optimization, yet its reliability is constrained by limited and heterogeneous human preference data that are expensive to collect at scale. While…

Machine Learning · Computer Science 2026-05-26 Payel Bhattacharjee , Osvaldo Simeone , Ravi Tandon

Planet-scale photo geolocalization is the complex task of estimating the location depicted in an image solely based on its visual content. Due to the success of convolutional neural networks (CNNs), current approaches achieve super-human…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Jonas Theiner , Eric Mueller-Budack , Ralph Ewerth

Human feedback plays a critical role in learning and refining reward models for text-to-image generation, but the optimal form the feedback should take for learning an accurate reward function has not been conclusively established. This…

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