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The Bird's-Eye-View (BEV) representation is a critical factor that directly impacts the 3D object detection performance, but the traditional BEV grid representation induces quadratic computational cost as the spatial resolution grows. To…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Zhili Chen , Shuangjie Xu , Maosheng Ye , Zian Qian , Xiaoyi Zou , Dit-Yan Yeung , Qifeng Chen

Learning representations of multimodal data that are both informative and robust to missing modalities at test time remains a challenging problem due to the inherent heterogeneity of data obtained from different channels. To address it, we…

Machine Learning · Computer Science 2022-11-21 Petra Poklukar , Miguel Vasco , Hang Yin , Francisco S. Melo , Ana Paiva , Danica Kragic

In this paper, we present subgraph2vec, a novel approach for learning latent representations of rooted subgraphs from large graphs inspired by recent advancements in Deep Learning and Graph Kernels. These latent representations encode…

Machine Learning · Computer Science 2016-06-30 Annamalai Narayanan , Mahinthan Chandramohan , Lihui Chen , Yang Liu , Santhoshkumar Saminathan

Textual graphs are ubiquitous in real-world applications, featuring rich text information with complex relationships, which enables advanced research across various fields. Textual graph representation learning aims to generate…

Machine Learning · Computer Science 2024-08-22 Wenbin Hu , Huihao Jing , Qi Hu , Haoran Li , Yangqiu Song

Existing Multi-view Clustering (MVC) methods based on subspace learning focus on consensus representation learning while neglecting the inherent topological structure of data. Despite the integration of Graph Neural Networks (GNNs) into…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Chenping Pei , Fadi Dornaika , Jingjun Bi

Vector embeddings have been successfully applied in several domains to obtain effective representations of non-numeric data which can then be used in various downstream tasks. We present a novel application of vector embeddings in…

Machine Learning · Computer Science 2024-03-19 Ethan Baron , Bram Janssens , Matthias Bogaert

GNNs are widely used to solve various tasks including node classification and link prediction. Most of the GNN architectures assume the initial embedding to be random or generated from popular distributions. These initial embeddings require…

Machine Learning · Computer Science 2024-01-31 Shraban Kumar Chatterjee , Suman Kundu

Traditional feature encoding scheme (e.g., Fisher vector) with local descriptors (e.g., SIFT) and recent convolutional neural networks (CNNs) are two classes of successful methods for image recognition. In this paper, we propose a hybrid…

Computer Vision and Pattern Recognition · Computer Science 2017-04-26 Zhe Wang , Limin Wang , Yali Wang , Bowen Zhang , Yu Qiao

Constructing latent vector representation for nodes in a network through embedding models has shown its practicality in many graph analysis applications, such as node classification, clustering, and link prediction. However, despite the…

Human-Computer Interaction · Computer Science 2018-08-29 Quan Li , Kristanto Sean Njotoprawiro , Hammad Haleem , Qiaoan Chen , Chris Yi , Xiaojuan Ma

Polygon representation learning is essential for diverse applications, encompassing tasks such as shape coding, building pattern classification, and geographic question answering. While recent years have seen considerable advancements in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Dazhou Yu , Yuntong Hu , Yun Li , Liang Zhao

Existing computer vision methods mainly focus on the recognition of rigid objects, whereas the recognition of flexible objects remains unexplored. Recognizing flexible objects poses significant challenges due to their inherently diverse…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Lin Zuo , Kunshan Yang , Xianlong Tian , Kunbin He , Yongqi Ding , Mengmeng Jing

Learning discriminative node representations benefits various downstream tasks in graph analysis such as community detection and node classification. Existing graph representation learning methods (e.g., based on random walk and contrastive…

Machine Learning · Computer Science 2022-02-15 Xiaotian Han , Zhimeng Jiang , Ninghao Liu , Qingquan Song , Jundong Li , Xia Hu

Recently deep learning-based image compression has shown the potential to outperform traditional codecs. However, most existing methods train multiple networks for multiple bit rates, which increase the implementation complexity. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Mohammad Akbari , Jie Liang , Jingning Han , Chengjie Tu

Learned image reconstruction techniques using deep neural networks have recently gained popularity, and have delivered promising empirical results. However, most approaches focus on one single recovery for each observation, and thus neglect…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Chen Zhang , Riccardo Barbano , Bangti Jin

With the increasing consumption of 3D displays and virtual reality, multi-view video has become a promising format. However, its high resolution and multi-camera shooting result in a substantial increase in data volume, making storage and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Chen Zhu , Guo Lu , Bing He , Rong Xie , Li Song

Graph convolutional neural networks (GCNs) generalize tradition convolutional neural networks (CNNs) from low-dimensional regular graphs (e.g., image) to high dimensional irregular graphs (e.g., text documents on word embeddings). Due to…

Machine Learning · Computer Science 2021-03-30 Mehrnaz Najafi , Philip S. Yu

Blind image quality assessment (BIQA) for ultrahighdefinition (UHD) images remains challenging because native-resolution inference is computationally expensive, whereas aggressive resizing or isolated cropping may suppress scale-sensitive…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Shaode Yu , Enqi Chen , Ming Huang , Xuemin Ren , Songnan Zhao , Zhicheng Zhang , Qiurui Sun

Self-supervised representation learning methods often fail to learn subtle or complex features, which can be dominated by simpler patterns which are much easier to learn. This limitation is particularly problematic in applications to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Lucas Farndale , Paul Henderson , Edward W Roberts , Ke Yuan

Implicit fields have recently shown increasing success in representing and learning 3D shapes accurately. Signed distance fields and occupancy fields are decades old and still the preferred representations, both with well-studied…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Edoardo Mello Rella , Ajad Chhatkuli , Ender Konukoglu , Luc Van Gool

The term fine-grained visual classification (FGVC) refers to classification tasks where the classes are very similar and the classification model needs to be able to find subtle differences to make the correct prediction. State-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Harald Hanselmann , Hermann Ney
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