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Related papers: HiHPQ: Hierarchical Hyperbolic Product Quantizatio…

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Real-world visual data exhibit intrinsic hierarchical structures that can be represented effectively in hyperbolic spaces. Hyperbolic neural networks (HNNs) are a promising approach for learning feature representations in such spaces.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Ahmad Bdeir , Kristian Schwethelm , Niels Landwehr

Semantic segmentation (SS) aims to classify each pixel into one of the pre-defined classes. This task plays an important role in self-driving cars and autonomous drones. In SS, many works have shown that most misclassified pixels are…

Computer Vision and Pattern Recognition · Computer Science 2023-05-29 Bike Chen , Wei Peng , Xiaofeng Cao , Juha Röning

Establishing semantic correspondence across images when the objects in the images have undergone complex deformations remains a challenging task in the field of computer vision. In this paper, we propose a hierarchical method to tackle this…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Akila Pemasiri , Kien Nguyen , Sridha Sridhara , and Clinton Fookes

Advanced change detection techniques primarily target image pairs of equal and high quality. However, variations in imaging conditions and platforms frequently lead to image pairs with distinct qualities: one image being high-quality, while…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Chao Pang , Xingxing Weng , Jiang Wu , Qiang Wang , Gui-Song Xia

Blind image quality assessment (BIQA) remains a very challenging problem due to the unavailability of a reference image. Deep learning based BIQA methods have been attracting increasing attention in recent years, yet it remains a difficult…

Computer Vision and Pattern Recognition · Computer Science 2017-12-06 Hui Zeng , Lei Zhang , Alan C. Bovik

This paper explores the use of hyperbolic geometry and deep learning techniques for recommendation. We present Hyperbolic Neural Collaborative Recommender (HNCR), a deep hyperbolic representation learning method that exploits mutual…

Information Retrieval · Computer Science 2021-04-16 Anchen Li , Bo Yang , Hongxu Chen , Guandong Xu

In this work, we address unsupervised temporal action segmentation, which segments a set of long, untrimmed videos into semantically meaningful segments that are consistent across videos. While recent approaches combine representation…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Federico Spurio , Emad Bahrami , Gianpiero Francesca , Juergen Gall

Scene graph representations enable structured visual understanding by modeling objects and their relationships, and have been widely used for multiview and 3D scene reasoning. Existing methods such as MSG learn scene graph embeddings in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Liyang Wang , Zeyu Zhang , Hao Tang

Metric learning aims to learn a highly discriminative model encouraging the embeddings of similar classes to be close in the chosen metrics and pushed apart for dissimilar ones. The common recipe is to use an encoder to extract embeddings…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Aleksandr Ermolov , Leyla Mirvakhabova , Valentin Khrulkov , Nicu Sebe , Ivan Oseledets

Hyperbolic neural networks have been popular in the recent past due to their ability to represent hierarchical data sets effectively and efficiently. The challenge in developing these networks lies in the nonlinearity of the embedding space…

Machine Learning · Computer Science 2021-12-08 Xiran Fan , Chun-Hao Yang , Baba C. Vemuri

The image-text retrieval task aims to retrieve relevant information from a given image or text. The main challenge is to unify multimodal representation and distinguish fine-grained differences across modalities, thereby finding similar…

Multimedia · Computer Science 2024-05-20 Ziyu Gong , Chengcheng Mai , Yihua Huang

Real-world datasets often exhibit class imbalance across multiple categories, manifesting as long-tailed distributions and few-shot scenarios. This is especially challenging in Class-Imbalanced Multi-Label Image Classification (CI-MLIC)…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Sheng Huang , Jiexuan Yan , Beiyan Liu , Bo Liu , Richang Hong

This paper investigates the notion of learning user and item representations in non-Euclidean space. Specifically, we study the connection between metric learning in hyperbolic space and collaborative filtering by exploring Mobius…

Information Retrieval · Computer Science 2019-12-02 Lucas Vinh Tran , Yi Tay , Shuai Zhang , Gao Cong , Xiaoli Li

The task of multi-label image classification involves recognizing multiple objects within a single image. Considering both valuable semantic information contained in the labels and essential visual features presented in the image, tight…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Shuyi Ouyang , Hongyi Wang , Ziwei Niu , Zhenjia Bai , Shiao Xie , Yingying Xu , Ruofeng Tong , Yen-Wei Chen , Lanfen Lin

Higher-Order Hypergraph Learning (HOHL) was recently introduced as a principled alternative to classical hypergraph regularization, enforcing higher-order smoothness via powers of multiscale Laplacians induced by the hypergraph structure.…

Machine Learning · Computer Science 2025-11-25 Adrien Weihs , Andrea L. Bertozzi , Matthew Thorpe

In visual place recognition, accurately identifying and matching images of locations under varying environmental conditions and viewpoints remains a significant challenge. In this paper, we introduce a new technique, called Bag-of-Queries…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Amar Ali-Bey , Brahim Chaib-draa , Philippe Giguère

In recent years, there has been a growing trend of incorporating hyperbolic geometry methods into computer vision. While these methods have achieved state-of-the-art performance on various metric learning tasks using hyperbolic distance…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Yun Yue , Fangzhou Lin , Guanyi Mou , Ziming Zhang

Image quality assessment (IQA) continues to garner great interest in the research community, particularly given the tremendous rise in consumer video capture and streaming. Despite significant research effort in IQA in the past few decades,…

Multimedia · Computer Science 2016-09-26 Prajna Paramita Dash , Akshaya Mishra , Alexander Wong

Medical Visual Question Answering (Med-VQA) answers clinical questions using medical images, aiding diagnosis. Designing the MedVQA system holds profound importance in assisting clinical diagnosis and enhancing diagnostic accuracy. Building…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Junkai Zhang , Bin Li , Shoujun Zhou , Yue Du

Recently, deep neural networks have greatly advanced histopathology image segmentation but usually require abundant annotated data. However, due to the gigapixel scale of whole slide images and pathologists' heavy daily workload, obtaining…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Wentao Pan , Jiangpeng Yan , Hanbo Chen , Jiawei Yang , Zhe Xu , Xiu Li , Jianhua Yao