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Self-supervised hyperspectral image (HSI) clustering remains a fundamental yet challenging task due to the absence of labeled data and the inherent complexity of spatial-spectral interactions. While recent advancements have explored…

Image and Video Processing · Electrical Eng. & Systems 2025-02-10 Yao Ding , Zhili Zhang , Aitao Yang , Yaoming Cai , Xiongwu Xiao , Danfeng Hong , Junsong Yuan

In recent years, 3D scene graphs have emerged as a powerful world representation, offering both geometric accuracy and semantic richness. Combining 3D scene graphs with large language models enables robots to reason, plan, and navigate in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Abdelrhman Werby , Dennis Rotondi , Fabio Scaparro , Kai O. Arras

An Horizontal Visibility Graph (for short, HVG) is defined in association with an ordered set of non-negative reals. HVGs realize a methodology in the analysis of time series, their degree distribution being a good discriminator between…

Data Analysis, Statistics and Probability · Physics 2013-09-24 Gregory Gutin , Toufik Mansour , Simone Severini

Masked Image Modeling (MIM) with Vector Quantization (VQ) has achieved great success in both self-supervised pre-training and image generation. However, most existing methods struggle to address the trade-off in shared latent space for…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Siyuan Li , Luyuan Zhang , Zedong Wang , Juanxi Tian , Cheng Tan , Zicheng Liu , Chang Yu , Qingsong Xie , Haonan Lu , Haoqian Wang , Zhen Lei

Self-supervised learning (SSL) with vision transformers (ViTs) has proven effective for representation learning as demonstrated by the impressive performance on various downstream tasks. Despite these successes, existing ViT-based SSL…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Chaitanya Devaguptapu , Sumukh Aithal , Shrinivas Ramasubramanian , Moyuru Yamada , Manohar Kaul

Scene Graph Generation (SGG) unifies object localization and visual relationship reasoning by predicting boxes and subject-predicate-object triples. Yet most pipelines treat SGG as a one-shot, deterministic classification problem rather…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Xin Hu , Ke Qin , Wen Yin , Yuan-Fang Li , Ming Li , Tao He

Recently, masked image modeling (MIM) has offered a new methodology of self-supervised pre-training of vision transformers. A key idea of efficient implementation is to discard the masked image patches (or tokens) throughout the target…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Xiaosong Zhang , Yunjie Tian , Wei Huang , Qixiang Ye , Qi Dai , Lingxi Xie , Qi Tian

Unified models aim to support both understanding and generation by encoding images into discrete tokens and processing them alongside text within a single autoregressive framework. This unified design offers architectural simplicity and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Ziyao Wang , Chen Chen , Jingtao Li , Weiming Zhuang , Jiabo Huang , Ang Li , Lingjuan Lyu

Remote sensing visual grounding (RSVG) aims to localize objects in remote sensing imagery according to natural language expressions. Previous methods typically rely on sentence-level vision-language alignment, which struggles to exploit…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Ke Li , Ting Wang , Di Wang , Yongshan Zhu , Yiming Zhang , Tao Lei , Quan Wang

Deep network-based image and video Compressive Sensing(CS) has attracted increasing attentions in recent years. However, in the existing deep network-based CS methods, a simple stacked convolutional network is usually adopted, which not…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Tong Zhang , Wenxue Cui , Chen Hui , Feng Jiang

Vanilla autoregressive image generation models generate visual tokens step-by-step, limiting their ability to capture holistic relationships among token sequences. Moreover, because most visual tokenizers map local image patches into latent…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Anlin Zheng , Haochen Wang , Yucheng Zhao , Weipeng Deng , Tiancai Wang , Xiangyu Zhang , Xiaojuan Qi

Autoregressive multimodal large language models (MLLMs) enable 3D generation but struggle to scale to high-resolution shapes due to inadequate 3D tokenizations. Compact set-based representations discard deterministic spatial ordering,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Yuan Li , Congyi Zhang , Xifeng Gao , Xiaohu Guo

In this work, we present HieraTok, a novel multi-scale Vision Transformer (ViT)-based tokenizer that overcomes the inherent limitation of modeling single-scale representations. This is realized through two key designs: (1) multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Cong Chen , Ziyuan Huang , Cheng Zou , Muzhi Zhu , Kaixiang Ji , Jiajia Liu , Jingdong Chen , Hao Chen , Chunhua Shen

The tokenizer, as one of the fundamental components of large models, has long been overlooked or even misunderstood in visual tasks. One key factor of the great comprehension power of the large language model is that natural language…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Run Shao , Zhaoyang Zhang , Chao Tao , Yunsheng Zhang , Chengli Peng , Haifeng Li

Scalable Vector Graphics (SVGs) are fundamental to digital design and robot control, encoding not only visual structure but also motion paths in interactive drawings. In this work, we introduce RoboSVG, a unified multimodal framework for…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Jiuniu Wang , Gongjie Zhang , Quanhao Qian , Junlong Gao , Deli Zhao , Ran Xu

We propose a hierarchically structured reinforcement learning approach to address the challenges of planning for generating coherent multi-sentence stories for the visual storytelling task. Within our framework, the task of generating a…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 Qiuyuan Huang , Zhe Gan , Asli Celikyilmaz , Dapeng Wu , Jianfeng Wang , Xiaodong He

Large Language Models (LLMs) and Vision-Language Large Models (LVLMs) have achieved remarkable progress in natural language processing and multimodal understanding. Despite their impressive generalization capabilities, current LVLMs often…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Leilei Guo , Antonio Carlos Rivera , Peiyu Tang , Haoxuan Ren , Zheyu Song

Message-Passing Neural Networks (MPNNs) are extensively employed in graph learning tasks but suffer from limitations such as the restricted scope of information exchange, by being confined to neighboring nodes during each round of message…

Machine Learning · Computer Science 2024-08-30 Carlos Vonessen , Florian Grötschla , Roger Wattenhofer

Quantizing images into discrete representations has been a fundamental problem in unified generative modeling. Predominant approaches learn the discrete representation either in a deterministic manner by selecting the best-matching token or…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Jiahui Zhang , Fangneng Zhan , Christian Theobalt , Shijian Lu

Video-text retrieval is an important yet challenging task in vision-language understanding, which aims to learn a joint embedding space where related video and text instances are close to each other. Most current works simply measure the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Peng Wu , Xiangteng He , Mingqian Tang , Yiliang Lv , Jing Liu