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The high dimensional and semantically complex nature of textual Big data presents significant challenges for text clustering, which frequently lead to suboptimal groupings when using conventional techniques like k-means or hierarchical…

Computation and Language · Computer Science 2025-08-25 Mohammad Wali Ur Rahman , Ric Nevarez , Lamia Tasnim Mim , Salim Hariri

Vision Transformers naturally accommodate sparsity, yet standard tokenization methods confine features to discrete patch grids. This constraint prevents models from fully exploiting sparse regimes, forcing awkward compromises. We propose…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Martine Hjelkrem-Tan , Marius Aasan , Gabriel Y. Arteaga , Adín Ramírez Rivera

Following their success in natural language processing, transformers have recently shown much promise for computer vision. The self-attention operation underlying transformers yields global interactions between all tokens ,i.e. words or…

Existing KV cache compression methods generally operate on discrete tokens or non-semantic chunks. However, such approaches often lead to semantic fragmentation, where linguistically coherent units are disrupted, causing irreversible…

Computation and Language · Computer Science 2026-03-17 Shunlong Wu , Hai Lin , Shaoshen Chen , Tingwei Lu , Yongqin Zeng , Shaoxiong Zhan , Hai-Tao Zheng , Hong-Gee Kim

We propose global context vision transformer (GC ViT), a novel architecture that enhances parameter and compute utilization for computer vision. Our method leverages global context self-attention modules, joint with standard local…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Ali Hatamizadeh , Hongxu Yin , Greg Heinrich , Jan Kautz , Pavlo Molchanov

Multi-view clustering (MVC) has had significant implications in cross-modal representation learning and data-driven decision-making in recent years. It accomplishes this by leveraging the consistency and complementary information among…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Jiatai Wang , Zhiwei Xu , Xuewen Yang , Hailong Li , Bo Li , Xuying Meng

The dot product self-attention (DPSA) is a fundamental component of transformers. However, scaling them to long sequences, like documents or high-resolution images, becomes prohibitively expensive due to quadratic time and memory…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Pourya Shamsolmoali , Masoumeh Zareapoor , Eric Granger , Michael Felsberg

In this paper, we propose a methodology to improvise the technique of deep transfer clustering (DTC) when applied to the less variant data distribution. Clustering can be considered as the most important unsupervised learning problem. A…

Semantic correspondence is the problem of establishing correspondences across images depicting different instances of the same object or scene class. One of recent approaches to this problem is to estimate parameters of a global…

Computer Vision and Pattern Recognition · Computer Science 2018-10-29 Paul Hongsuck Seo , Jongmin Lee , Deunsol Jung , Bohyung Han , Minsu Cho

Image Restoration (IR), a classic low-level vision task, has witnessed significant advancements through deep models that effectively model global information. Notably, the emergence of Vision Transformers (ViTs) has further propelled these…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Bin Ren , Yawei Li , Jingyun Liang , Rakesh Ranjan , Mengyuan Liu , Rita Cucchiara , Luc Van Gool , Ming-Hsuan Yang , Nicu Sebe

Vision Transformer (ViT) based autoencoders often underutilize the global Class token and employ static attention mechanisms, limiting both generative control and optimization efficiency. This paper introduces ViTCAE, a framework that…

Machine Learning · Computer Science 2025-09-23 Vahid Jebraeeli , Hamid Krim , Derya Cansever

Current Large Multimodal Models (LMMs) empowered visual grounding typically rely on $\texttt{<SEG>}$ tokens as a text prompt to jointly optimize the vision-language model (e.g., LLaVA) and the downstream task-specific model (e.g., SAM).…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Rui Qian , Xin Yin , Dejing Dou

Weakly-Supervised Semantic Segmentation (WSSS) using image-level labels typically utilizes Class Activation Map (CAM) to generate the pseudo labels. Limited by the local structure perception of CNN, CAM usually cannot identify the integral…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Lixiang Ru , Heliang Zheng , Yibing Zhan , Bo Du

Self-supervised learning has recently emerged as the preeminent pretraining paradigm across and between modalities, with remarkable results. In the image domain specifically, group (or cluster) discrimination has been one of the most…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Ioannis Maniadis Metaxas , Georgios Tzimiropoulos , Ioannis Patras

We attempt to reduce the computational costs in vision transformers (ViTs), which increase quadratically in the token number. We present a novel training paradigm that trains only one ViT model at a time, but is capable of providing…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Mingbao Lin , Mengzhao Chen , Yuxin Zhang , Chunhua Shen , Rongrong Ji , Liujuan Cao

Multi-view clustering has been empirically shown to improve learning performance by leveraging the inherent complementary information across multiple views of data. However, in real-world scenarios, collecting strictly aligned views is…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Liang Peng , Yixuan Ye , Cheng Liu , Hangjun Che , Fei Wang , Zhiwen Yu , Si Wu , Hau-San Wong

Stereo matching is a fundamental building block for many vision and robotics applications. An informative and concise cost volume representation is vital for stereo matching of high accuracy and efficiency. In this paper, we present a novel…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Gangwei Xu , Yun Wang , Junda Cheng , Jinhui Tang , Xin Yang

Convolutional Neural Networks (CNNs) have dominated computer vision for years, due to its ability in capturing locality and translation invariance. Recently, many vision transformer architectures have been proposed and they show promising…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Pichao Wang , Xue Wang , Fan Wang , Ming Lin , Shuning Chang , Hao Li , Rong Jin

Semantic segmentation is one of the core tasks in the field of computer vision, and its goal is to accurately classify each pixel in an image. The traditional Unet model achieves efficient feature extraction and fusion through an…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Xuan Li , Quanchao Lu , Yankaiqi Li , Muqing Li , Yijiashun Qi

Cluster discrimination is an effective pretext task for unsupervised representation learning, which often consists of two phases: clustering and discrimination. Clustering is to assign each instance a pseudo label that will be used to learn…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Qi Qian , Yuanhong Xu , Juhua Hu , Hao Li , Rong Jin