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Synthesis of diverse driving scenes serves as a crucial data augmentation technique for validating the robustness and generalizability of autonomous driving systems. Current methods aggregate high-definition (HD) maps and 3D bounding boxes…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Zhechao Wang , Yiming Zeng , Lufan Ma , Zeqing Fu , Chen Bai , Ziyao Lin , Cheng Lu

Recent advances in tuning-free personalized image generation based on diffusion models are impressive. However, to improve subject fidelity, existing methods either retrain the diffusion model or infuse it with dense visual embeddings, both…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Zhichao Wei , Qingkun Su , Long Qin , Weizhi Wang

Existing Weakly-Supervised Change Detection (WSCD) methods often encounter the problem of "instance lumping" under scene-level supervision, particularly in scenarios with a dense distribution of changed instances (i.e., changed objects). In…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Zhenghui Zhao , Chen Wu , Lixiang Ru , Di Wang , Hongruixuan Chen , Cuiqun Chen

Recent 3D generative models have achieved remarkable performance in synthesizing high resolution photorealistic images with view consistency and detailed 3D shapes, but training them for diverse domains is challenging since it requires…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Gwanghyun Kim , Se Young Chun

Multi-instance registration is a challenging problem in computer vision and robotics, where multiple instances of an object need to be registered in a standard coordinate system. In this work, we propose the first iterative framework called…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Xinyue Cao , Xiyu Zhang , Yuxin Cheng , Zhaoshuai Qi , Yanning Zhang , Jiaqi Yang

Character video synthesis aims to produce realistic videos of animatable characters within lifelike scenes. As a fundamental problem in the computer vision and graphics community, 3D works typically require multi-view captures for per-case…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Yifang Men , Yuan Yao , Miaomiao Cui , Liefeng Bo

Text-to-video (T2V) diffusion models have recently achieved impressive visual quality, yet most systems still generate silent clips and treat audio as a secondary concern. Existing audio-video generation pipelines typically decompose the…

Recent advances in large-scale text-to-image generation models have led to a surge in subject-driven text-to-image generation, which aims to produce customized images that align with textual descriptions while preserving the identity of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Kewen Chen , Xiaobin Hu , Wenqi Ren

Graphical user interface (UI) software has undergone a fundamental transformation from traditional two-dimensional (2D) desktop/web/mobile interfaces to spatial three-dimensional (3D) environments. While existing work has made remarkable…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Shuqing Li , Anson Y. Lam , Yun Peng , Wenxuan Wang , Michael R. Lyu

Generalizing open-vocabulary 3D instance segmentation (OV-3DIS) to diverse, unstructured, and mesh-free environments is crucial for robotics and AR/VR, yet remains a significant challenge. We attribute this to two key limitations of…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Zhishan Zhou , Siyuan Wei , Zengran Wang , Chunjie Wang , Xiaosheng Yan , Xiao Liu

Recent breakthroughs in text-guided image generation have significantly advanced the field of 3D generation. While generating a single high-quality 3D object is now feasible, generating multiple objects with reasonable interactions within a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Chongjian Ge , Chenfeng Xu , Yuanfeng Ji , Chensheng Peng , Masayoshi Tomizuka , Ping Luo , Mingyu Ding , Varun Jampani , Wei Zhan

Reconstructing and decomposing dynamic urban scenes is crucial for autonomous driving, urban planning, and scene editing. However, existing methods fail to perform instance-aware decomposition without manual annotations, which is crucial…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Yunxuan Mao , Rong Xiong , Yue Wang , Yiyi Liao

This paper proposes "3Dify," a procedural 3D computer graphics (3D-CG) generation framework utilizing Large Language Models (LLMs). The framework enables users to generate 3D-CG content solely through natural language instructions. 3Dify is…

Graphics · Computer Science 2025-10-07 Shun-ichiro Hayashi , Daichi Mukunoki , Tetsuya Hoshino , Satoshi Ohshima , Takahiro Katagiri

Instance segmentation on 3D point clouds (3DIS) is a longstanding challenge in computer vision, where state-of-the-art methods are mainly based on full supervision. As annotating ground truth dense instance masks is tedious and expensive,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Tuan Duc Ngo , Binh-Son Hua , Khoi Nguyen

Grounding natural language to the physical world is a ubiquitous topic with a wide range of applications in computer vision and robotics. Recently, 2D vision-language models such as CLIP have been widely popularized, due to their impressive…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Georgios Tziafas , Yucheng Xu , Zhibin Li , Hamidreza Kasaei

Due to the complex and highly dynamic motions in the real world, synthesizing dynamic videos from multi-view inputs for arbitrary viewpoints is challenging. Previous works based on neural radiance field or 3D Gaussian splatting are limited…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Jiahao Wu , Rui Peng , Jianbo Jiao , Jiayu Yang , Luyang Tang , Kaiqiang Xiong , Jie Liang , Jinbo Yan , Runling Liu , Ronggang Wang

2D concept art generation for 3D scenes is a crucial yet challenging task in computer graphics, as creating natural intuitive environments still demands extensive manual effort in concept design. While generative AI has simplified 2D…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Zhenhong Sun , Yifu Wang , Yonhon Ng , Yongzhi Xu , Daoyi Dong , Hongdong Li , Pan Ji

Recent advances in multimodal learning have achieved remarkable success across diverse vision-language tasks. However, such progress heavily relies on large-scale image-text datasets, making training costly and inefficient. Prior efforts in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Junhyeok Choi , Sangwoo Mo , Minwoo Chae

3D semantic scene understanding is essential for digital twins, autonomous driving, smart agriculture, and embodied perception, yet dense point-wise annotation for point clouds remains expensive and difficult to scale. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Yijing Wang , Ruonan Li , Qilin Wang , Rongqiang Zhao , Jie Liu

3D scene understanding has become an essential area of research with applications in autonomous driving, robotics, and augmented reality. Recently, 3D Gaussian Splatting (3DGS) has emerged as a powerful approach, combining explicit modeling…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Haijie Li , Yanmin Wu , Jiarui Meng , Qiankun Gao , Zhiyao Zhang , Ronggang Wang , Jian Zhang