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Controllable video generation has emerged as a versatile tool for autonomous driving, enabling realistic synthesis of traffic scenarios. However, existing methods depend on control signals at inference time to guide the generative model…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Mirlan Karimov , Teodora Spasojevic , Markus Braun , Julian Wiederer , Vasileios Belagiannis , Marc Pollefeys

In Semantic-ID (SID) based generative recommendation, each item is represented as a sequence of discrete codes, and an autoregressive model is trained to generate the SID sequence of the next item; top-K performance is then measured by…

Information Retrieval · Computer Science 2026-05-26 Qian Zhang , Lech Szymanski , Haibo Zhang , Jeremiah D. Deng

3D object segmentation with Large Language Models (LLMs) has become a prevailing paradigm due to its broad semantics, task flexibility, and strong generalization. However, this paradigm is hindered by representation misalignment: LLMs…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Zhuoxu Huang , Mingqi Gao , Jungong Han

Discrete motion tokenization has recently enabled Large Language Models (LLMs) to serve as versatile backbones for motion understanding and motion-language reasoning. However, existing pipelines typically decouple motion quantization from…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Zhankai Ye , Bofan Li , Yukai Jin , Shuoqiu Li , Wei Wang , Yanfu Zhang , Shangqian Gao , Xin Liu

The evolution toward 6G networks demands a fundamental shift from bit-centric transmission to semantic-aware communication that emphasizes task-relevant information. This work introduces TOAST (Task-Oriented Adaptive Semantic Transmission),…

Machine Learning · Computer Science 2025-06-30 Sheng Yun , Jianhua Pei , Ping Wang

Enabling intelligent agents to comprehend and interact with 3D environments through natural language is crucial for advancing robotics and human-computer interaction. A fundamental task in this field is ego-centric 3D visual grounding,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Henry Zheng , Hao Shi , Qihang Peng , Yong Xien Chng , Rui Huang , Yepeng Weng , Zhongchao Shi , Gao Huang

Discrete image tokenization is a key bottleneck for scalable visual generation: a tokenizer must remain compact for efficient latent-space priors while preserving semantic structure and using discrete capacity effectively. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Idil Bilge Altun , Mert Onur Cakiroglu , Elham Buxton , Mehmet Dalkilic , Hasan Kurban

We present a novel approach to feature labeling using gradient descent in token-space. While existing methods typically use language models to generate hypotheses about feature meanings, our method directly optimizes label representations…

Machine Learning · Computer Science 2025-04-02 Julian Schulz , Seamus Fallows

Deep learning approaches achieve prominent success in 3D semantic segmentation. However, collecting densely annotated real-world 3D datasets is extremely time-consuming and expensive. Training models on synthetic data and generalizing on…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Runyu Ding , Jihan Yang , Li Jiang , Xiaojuan Qi

The objective of personalization and stylization in text-to-image is to instruct a pre-trained diffusion model to analyze new concepts introduced by users and incorporate them into expected styles. Recently, parameter-efficient fine-tuning…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Likun Li , Haoqi Zeng , Changpeng Yang , Haozhe Jia , Di Xu

Open-world instance-level scene understanding aims to locate and recognize unseen object categories that are not present in the annotated dataset. This task is challenging because the model needs to both localize novel 3D objects and infer…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Runyu Ding , Jihan Yang , Chuhui Xue , Wenqing Zhang , Song Bai , Xiaojuan Qi

Flow-matching methods for 3D shape assembly learn point-wise velocity fields that transport parts toward assembled configurations, yet they receive no explicit guidance about which cross-part interactions should drive the motion. We…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Nahyuk Lee , Zhiang Chen , Marc Pollefeys , Sunghwan Hong

Recent advances in multimodal models highlight the pivotal role of image tokenization in high-resolution image generation. By compressing images into compact latent representations, tokenizers enable generative models to operate in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Qihang Rao , Borui Zhang , Wenzhao Zheng , Jie Zhou , Jiwen Lu

We consider molecule generation in 3D space using language models (LMs), which requires discrete tokenization of 3D molecular geometries. Although tokenization of molecular graphs exists, that for 3D geometries is largely unexplored. Here,…

Artificial Intelligence · Computer Science 2024-08-20 Xiner Li , Limei Wang , Youzhi Luo , Carl Edwards , Shurui Gui , Yuchao Lin , Heng Ji , Shuiwang Ji

Robust visual localization under a wide range of viewing conditions is a fundamental problem in computer vision. Handling the difficult cases of this problem is not only very challenging but also of high practical relevance, e.g., in the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Johannes L. Schönberger , Marc Pollefeys , Andreas Geiger , Torsten Sattler

The demand for semantically rich 3D models of indoor scenes is rapidly growing, driven by applications in augmented reality, virtual reality, and robotics. However, creating them from sparse views remains a challenge due to geometric…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Yijie Gao , Houqiang Zhong , Tianchi Zhu , Zhengxue Cheng , Qiang Hu , Li Song

We propose Text-Aligned Speech Tokens with Multiple Layer-Aggregation (TASLA), which is a text-aligned speech tokenization framework that aims to address the problem that under a low-frame-rate and text-aligned regime, single-source speech…

Sound · Computer Science 2025-10-17 Ming-Hao Hsu , Liang-Hsuan Tseng , Hung-yi Lee , Zhizheng Wu

A fundamental challenge in conditional 3D shape generation is to minimize the information loss and maximize the intention of user input. Existing approaches have predominantly focused on two types of isolated conditional signals, i.e., user…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Seunggwan Lee , Hwanhee Jung , Byoungsoo Koh , Qixing Huang , Sangho Yoon , Sangpil Kim

3D semantic scene understanding tasks have achieved great success with the emergence of deep learning, but often require a huge amount of manually annotated training data. To alleviate the annotation cost, we propose the first…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Shichao Dong , Guosheng Lin

Most deep learning approaches to comprehensive semantic modeling of 3D indoor spaces require costly dense annotations in the 3D domain. In this work, we explore a central 3D scene modeling task, namely, semantic scene reconstruction without…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Junwen Huang , Alexey Artemov , Yujin Chen , Shuaifeng Zhi , Kai Xu , Matthias Nießner