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Designing realistic multi-object scenes requires not only generating images, but also planning spatial layouts that respect semantic relations and physical plausibility. On one hand, while recent advances in diffusion models have enabled…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Zezhong Fan , Xiaohan Li , Luyi Ma , Kai Zhao , Liang Peng , Topojoy Biswas , Evren Korpeoglu , Kaushiki Nag , Kannan Achan

Our modern world produces an increasing quantity of data, and especially geospatial data, with advance of sensing technologies, and growing complexity and organisation of vector data. Tools are needed to efficiently create and edit those…

Databases · Computer Science 2018-01-18 Remi Cura , Julien Perret , Nicolas Paparoditis

The integration of geometric reconstruction and generative modeling remains a critical challenge in developing AI systems capable of human-like spatial reasoning. This paper proposes Aether, a unified framework that enables geometry-aware…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Aether Team , Haoyi Zhu , Yifan Wang , Jianjun Zhou , Wenzheng Chang , Yang Zhou , Zizun Li , Junyi Chen , Chunhua Shen , Jiangmiao Pang , Tong He

Generative search engines represent a transition from traditional ranking-based retrieval to Large Language Model (LLM)-based synthesis, transforming optimization goals from ranking prominence towards content inclusion. Generative Engine…

Artificial Intelligence · Computer Science 2026-03-24 Jiaqi Yuan , Jialu Wang , Zihan Wang , Qingyun Sun , Ruijie Wang , Jianxin Li

This paper presents a novel approach to procedural generation of urban maps for First Person Shooter (FPS) games. A multi-agent evolutionary system is employed to place streets, buildings and other items inside the Unity3D game engine,…

Artificial Intelligence · Computer Science 2016-04-21 Jan Kruse , Ricardo Sosa , Andy M. Connor

In this paper, we present a modelling experiment developed to study systems of cities and processes of urbanisation in large territories over long time spans. Building on geographical theories of urban evolution, we rely on agent-based…

We challenge text-to-image models with generating escape room puzzle images that are visually appealing, logically solid, and intellectually stimulating. While base image models struggle with spatial relationships and affordance reasoning,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Mengyi Shan , Brian Curless , Ira Kemelmacher-Shlizerman , Steve Seitz

We describe a guided proceduralization framework that optimizes geometry processing on architectural input models to extract target grammars. We aim to provide efficient artistic workflows by creating procedural representations from…

Graphics · Computer Science 2018-07-10 Ilke Demir , Daniel G. Aliaga

As a cornerstone of the modern digital economy, 3D modeling and rendering demand substantial resources and manual effort when scene editing is performed in the traditional manner. Despite recent progress in VLM-based agents for 3D editing,…

Human-Computer Interaction · Computer Science 2026-01-13 Hao Wang , Wenhui Zhu , Shao Tang , Zhipeng Wang , Xuanzhao Dong , Xin Li , Xiwen Chen , Ashish Bastola , Xinhao Huang , Yalin Wang , Abolfazl Razi

Transformative innovations in model architectures have introduced hierarchical embedding augmentation as a means to redefine the representation of tokens through multi-level semantic structures, offering enhanced adaptability to complex…

Computation and Language · Computer Science 2025-08-11 Derek Yotheringhay , Alistair Kirkland , Humphrey Kirkbride , Josiah Whitesteeple

We propose a hierarchical design framework to automatically synthesize coordination schemes and control policies for cooperative multi-agent systems to fulfill formal performance requirements, by associating a bottom-up reactive motion…

Robotics · Computer Science 2016-12-16 Rafael Rodrigues da Silva , Bo Wu , Jin Dai , Hai Lin

Large language model (LLM)-based agents have demonstrated remarkable capabilities in decision-making tasks, but struggle significantly with complex, long-horizon planning scenarios. This arises from their lack of macroscopic guidance,…

Computation and Language · Computer Science 2025-08-27 Ziyue Li , Yuan Chang , Gaihong Yu , Xiaoqiu Le

Geo-localization is a critical task in computer vision. In this work, we cast the geo-localization as a 2D image retrieval task. Current state-of-the-art methods for 2D geo-localization are not robust to locate a scene with drastic scale…

Computer Vision and Pattern Recognition · Computer Science 2021-02-19 Liqi Yan , Yiming Cui , Yingjie Chen , Dongfang Liu

Achieving physically accurate object manipulation in image editing is essential for its potential applications in interactive world models. However, existing visual generative models often fail at precise spatial manipulation, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Ruihang Xu , Dewei Zhou , Xiaolong Shen , Fan Ma , Yi Yang

Editing facial expressions by only changing what we want is a long-standing research problem in Generative Adversarial Networks (GANs) for image manipulation. Most of the existing methods that rely only on a global generator usually suffer…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Rumeysa Bodur , Binod Bhattarai , Tae-Kyun Kim

Balancing passenger demand and vehicle availability is crucial for ensuring the sustainability and effectiveness of urban transportation systems. To address this challenge, we propose a novel hierarchical strategy for the efficient…

Systems and Control · Electrical Eng. & Systems 2024-06-17 Pengbo Zhu , Giancarlo Ferrari-Trecate , Nikolas Geroliminis

Aerial vision-and-language navigation (VLN), requiring drones to interpret natural language instructions and navigate complex urban environments, emerges as a critical embodied AI challenge that bridges human-robot interaction, 3D spatial…

Robotics · Computer Science 2025-12-29 Weichen Zhang , Chen Gao , Shiquan Yu , Ruiying Peng , Baining Zhao , Qian Zhang , Jinqiang Cui , Xinlei Chen , Yong Li

Modeling human behavior in urban environments is fundamental for social science, behavioral studies, and urban planning. Prior work often rely on rigid, hand-crafted rules, limiting their ability to simulate nuanced intentions, plans, and…

Artificial Intelligence · Computer Science 2025-06-30 Nicolas Bougie , Narimasa Watanabe

Geospatial modeling provides critical solutions for pressing global challenges such as sustainability and climate change. Existing large language model (LLM)-based algorithm discovery frameworks, such as AlphaEvolve, excel at evolving…

Artificial Intelligence · Computer Science 2025-09-29 Peng Luo , Xiayin Lou , Yu Zheng , Zhuo Zheng , Stefano Ermon

Embodied agents for creative tasks like photography must bridge the semantic gap between high-level language commands and geometric control. We introduce PhotoAgent, an agent that achieves this by integrating Large Multimodal Models (LMMs)…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Lirong Che , Zhenfeng Gan , Yanbo Chen , Junbo Tan , Xueqian Wang