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Heterogeneous face recognition (HFR) refers to matching face imagery across different domains. It has received much interest from the research community as a result of its profound implications in law enforcement. A wide variety of new…

计算机视觉与模式识别 · 计算机科学 2014-10-13 Shuxin Ouyang , Timothy Hospedales , Yi-Zhe Song , Xueming Li

Network embedding aims to find a way to encode network by learning an embedding vector for each node in the network. The network often has property information which is highly informative with respect to the node's position and role in the…

社会与信息网络 · 计算机科学 2018-11-28 Enya Shen , Zhidong Cao , Changqing Zou , Jianmin Wang

In deep metric learning (DML), high-level input data are represented in a lower-level representation (embedding) space, such that samples from the same class are mapped close together, while samples from disparate classes are mapped further…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Ryan Furlong , Vincent O'Brien , James Garland , Daniel Palacios-Alonso , Francisco Dominguez-Mateos

Traditional classifiers treat all labels as mutually independent, thereby considering all negative classes to be equally incorrect. This approach fails severely in many real-world scenarios, where a known semantic hierarchy defines a…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Depanshu Sani , Saket Anand

Label hierarchies are often available apriori as part of biological taxonomy or language datasets WordNet. Several works exploit these to learn hierarchy aware features in order to improve the classifier to make semantically meaningful…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Ashima Garg , Depanshu Sani , Saket Anand

The rapid progress in deep generative models has led to the creation of incredibly realistic synthetic images that are becoming increasingly difficult to distinguish from real-world data. The widespread use of Variational Models, Diffusion…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Anant Mehta , Bryant McArthur , Nagarjuna Kolloju , Zhengzhong Tu

Heterogeneous information network (HIN) embedding aims to embed multiple types of nodes into a low-dimensional space. Although most existing HIN embedding methods consider heterogeneous relations in HINs, they usually employ one single…

社会与信息网络 · 计算机科学 2019-05-21 Yuanfu Lu , Chuan Shi , Linmei Hu , Zhiyuan Liu

The joint optimization of representation learning and clustering in the embedding space has experienced a breakthrough in recent years. In spite of the advance, clustering with representation learning has been limited to flat-level…

机器学习 · 计算机科学 2019-03-26 Su-Jin Shin , Kyungwoo Song , Il-Chul Moon

From social networks to protein complexes to disease genomes to visual data, hypergraphs are everywhere. However, the scope of research studying deep learning on hypergraphs is still quite sparse and nascent, as there has not yet existed an…

机器学习 · 计算机科学 2019-10-08 Josh Payne

Heterogeneous information networks (HINs) are ubiquitous in real-world applications. Due to the heterogeneity in HINs, the typed edges may not fully align with each other. In order to capture the semantic subtlety, we propose the concept of…

社会与信息网络 · 计算机科学 2018-03-07 Yu Shi , Huan Gui , Qi Zhu , Lance Kaplan , Jiawei Han

To incorporate spatial (neighborhood) and bidirectional hierarchical relationships as well as features and priors of the samples into their classification, we formulated the classification problem on three variants of multiresolution…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Faezeh Fallah

Data integration tasks such as the creation and extension of knowledge graphs involve the fusion of heterogeneous entities from many sources. Matching and fusion of such entities require to also match and combine their properties…

数据库 · 计算机科学 2020-10-06 Daniel Ayala , Inma Hernández , David Ruiz , Erhard Rahm

Very low-resolution face recognition (VLRFR) poses unique challenges, such as tiny regions of interest and poor resolution due to extreme standoff distance or wide viewing angle of the acquisition devices. In this paper, we study principled…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Jacky Chen Long Chai , Tiong-Sik Ng , Cheng-Yaw Low , Jaewoo Park , Andrew Beng Jin Teoh

The goal of Feature Selection - comprising filter, wrapper, and embedded approaches - is to find the optimal feature subset for designated downstream tasks. Nevertheless, current feature selection methods are limited by: 1) the selection…

机器学习 · 计算机科学 2023-09-18 Meng Xiao , Dongjie Wang , Min Wu , Pengfei Wang , Yuanchun Zhou , Yanjie Fu

With the development of medical imaging technology and machine learning, computer-assisted diagnosis which can provide impressive reference to pathologists, attracts extensive research interests. The exponential growth of medical images and…

计算机视觉与模式识别 · 计算机科学 2020-10-08 Xiao Kang , Xingbo Liu , Xiushan Nie , Yilong Yin

Embedding techniques have become essential components of large databases in the deep learning era. By encoding discrete entities, such as words, items, or graph nodes, into continuous vector spaces, embeddings facilitate more efficient…

信息检索 · 计算机科学 2024-10-18 Shiwei Li , Zhuoqi Hu , Xing Tang , Haozhao Wang , Shijie Xu , Weihong Luo , Yuhua Li , Xiuqiang He , Ruixuan Li

Feature selection removes redundant features to enhanc performance and computational efficiency in downstream tasks. Existing works often struggle to capture complex feature interactions and adapt to diverse scenarios. Recent advances in…

机器学习 · 计算机科学 2026-03-02 Rui Liu , Rui Xie , Zijun Yao , Yanjie Fu , Dongjie Wang

Statistical heterogeneity of clients' local data is an important characteristic in federated learning, motivating personalized algorithms tailored to the local data statistics. Though there has been a plethora of algorithms proposed for…

机器学习 · 计算机科学 2025-01-27 Kaan Ozkara , Bruce Huang , Ruida Zhou , Suhas Diggavi

Learning with limited data is a key challenge for visual recognition. Many few-shot learning methods address this challenge by learning an instance embedding function from seen classes and apply the function to instances from unseen classes…

机器学习 · 计算机科学 2021-06-15 Han-Jia Ye , Hexiang Hu , De-Chuan Zhan , Fei Sha

Hierarchical classification problems are commonly seen in practice. However, most existing methods do not fully utilize the hierarchical information among class labels. In this paper, a novel label embedding approach is proposed, which…

统计方法学 · 统计学 2020-07-23 Yiwei Fan , Xiaoling Lu , Yufeng Liu , Junlong Zhao