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Although Contrastive Language-Image Pre-training (CLIP) exhibits strong performance across diverse vision tasks, its application to person representation learning faces two critical challenges: (i) the scarcity of large-scale annotated…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Tianlu Zheng , Yifan Zhang , Xiang An , Ziyong Feng , Kaicheng Yang , Qichuan Ding

Multi-modal contrastive models such as CLIP achieve state-of-the-art performance in zero-shot classification by embedding input images and texts on a joint representational space. Recently, a modality gap has been reported in two-encoder…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Abrar Fahim , Alex Murphy , Alona Fyshe

In the weakly supervised temporal video grounding study, previous methods use predetermined single Gaussian proposals which lack the ability to express diverse events described by the sentence query. To enhance the expression ability of a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Sunoh Kim , Jungchan Cho , Joonsang Yu , YoungJoon Yoo , Jin Young Choi

Model-based clustering techniques have been widely applied to various application areas, while most studies focus on canonical mixtures with unique component distribution form. However, this strict assumption is often hard to satisfy. In…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Fei Zheng , Nicolas Duchateau

A general fuzzy min-max (GFMM) neural network is one of the efficient neuro-fuzzy systems for classification problems. However, a disadvantage of most of the current learning algorithms for GFMM is that they can handle effectively numerical…

Machine Learning · Computer Science 2020-09-02 Thanh Tung Khuat , Bogdan Gabrys

Functional data analysis (FDA) is an important modern paradigm for handling infinite-dimensional data. An important task in FDA is model-based clustering, which organizes functional populations into groups via subpopulation structures. The…

Computation · Statistics 2017-02-14 Hien D Nguyen , Geoffrey J McLachlan , Jeremy F P Ullmann , Andrew L Janke

Vision-language models (VLMs) like CLIP are trained with the objective of aligning text and image pairs. To improve CLIP-based few-shot image classification, recent works have observed that, along with text embeddings, image embeddings from…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Dipam Goswami , Simone Magistri , Gido M. van de Ven , Bartłomiej Twardowski , Andrew D. Bagdanov , Tinne Tuytelaars , Joost van de Weijer

Given unlabelled datasets containing both old and new categories, generalized category discovery (GCD) aims to accurately discover new classes while correctly classifying old classes. Current GCD methods only use a single visual modality of…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Enguang Wang , Zhimao Peng , Zhengyuan Xie , Fei Yang , Xialei Liu , Ming-Ming Cheng

Multi-label image classification is a foundational topic in various domains. Multimodal learning approaches have recently achieved outstanding results in image representation and single-label image classification. For instance, Contrastive…

Computer Vision and Pattern Recognition · Computer Science 2022-11-11 Fengjun Wang , Sarai Mizrachi , Moran Beladev , Guy Nadav , Gil Amsalem , Karen Lastmann Assaraf , Hadas Harush Boker

Generalized Category Discovery (GCD) requires a model to both classify known categories and cluster unknown categories in unlabeled data. Prior methods leveraged self-supervised pre-training combined with supervised fine-tuning on the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Rabah Ouldnoughi , Chia-Wen Kuo , Zsolt Kira

Despite their consistent performance improvements, cross-modal retrieval models (e.g., CLIP) show degraded performances with retrieving keys composed of fused image-text modality (e.g., Wikipedia pages with both images and text). To address…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Jungsoo Lee , Janghoon Cho , Hyojin Park , Munawar Hayat , Kyuwoong Hwang , Fatih Porikli , Sungha Choi

Despite the rapid development of computational hardware, the treatment of large and high dimensional data sets is still a challenging problem. This paper provides a twofold contribution to the topic. First, we propose a Gaussian Mixture…

In this letter, we propose a Gaussian mixture model (GMM)-based channel estimator which is learned on imperfect training data, i.e., the training data are solely comprised of noisy and sparsely allocated pilot observations. In a practical…

Signal Processing · Electrical Eng. & Systems 2023-02-14 Benedikt Fesl , Nurettin Turan , Michael Joham , Wolfgang Utschick

We present ImageBind-LLM, a multi-modality instruction tuning method of large language models (LLMs) via ImageBind. Existing works mainly focus on language and image instruction tuning, different from which, our ImageBind-LLM can respond to…

Numerous methods have been proposed to adapt a pre-trained foundational CLIP model for few-shot classification. As CLIP is trained on a large corpus, it generalises well through adaptation to few-shot classification. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2024-09-18 Alexey Kravets , Vinay Namboodiri

We present ImageBind, an approach to learn a joint embedding across six different modalities - images, text, audio, depth, thermal, and IMU data. We show that all combinations of paired data are not necessary to train such a joint…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Rohit Girdhar , Alaaeldin El-Nouby , Zhuang Liu , Mannat Singh , Kalyan Vasudev Alwala , Armand Joulin , Ishan Misra

Embeddings in machine learning are low-dimensional representations of complex input patterns, with the property that simple geometric operations like Euclidean distances and dot products can be used for classification and comparison tasks.…

Machine Learning · Statistics 2018-02-28 Niko Brummer , Anna Silnova , Lukas Burget , Themos Stafylakis

Despite the remarkable performance of deep models in medical imaging, they still require source data for training, which limits their potential in light of privacy concerns. Federated learning (FL), as a decentralized learning framework…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Yihang Wu , Ahmad Chaddad

We propose an Gaussian Mixture Model (GMM) learning algorithm, based on our previous work of GMM expansion idea. The new algorithm brings more robustness and simplicity than classic Expectation Maximization (EM) algorithm. It also improves…

Machine Learning · Computer Science 2023-09-07 Weiguo Lu , Xuan Wu , Deng Ding , Gangnan Yuan

We introduce Gaussian masking for Language-Image Pre-Training (GLIP) a novel, straightforward, and effective technique for masking image patches during pre-training of a vision-language model. GLIP builds on Fast Language-Image Pre-Training…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Mingliang Liang , Martha Larson