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Face Anti-Spoofing (FAS) is essential for ensuring the security and reliability of facial recognition systems. Most existing FAS methods are formulated as binary classification tasks, providing confidence scores without interpretation. They…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Guosheng Zhang , Keyao Wang , Haixiao Yue , Ajian Liu , Gang Zhang , Kun Yao , Errui Ding , Jingdong Wang

Face images are one of the main areas of focus for computer vision, receiving on a wide variety of tasks. Although face recognition is probably the most widely researched, many other tasks such as kinship detection, facial expression…

Computer Vision and Pattern Recognition · Computer Science 2018-06-15 Amir Sadovnik , Wassim Gharbi , Thanh Vu , Andrew Gallagher

Sentence similarity is considered the basis of many natural language tasks such as information retrieval, question answering and text summarization. The semantic meaning between compared text fragments is based on the words semantic…

Information Retrieval · Computer Science 2016-10-17 Issa Atoum , Ahmed Otoom , Narayanan Kulathuramaiyer

Face anti-spoofing (FAS) plays a vital role in securing face recognition systems. Existing methods heavily rely on the expert-designed networks, which may lead to a sub-optimal solution for FAS task. Here we propose the first FAS method…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Zitong Yu , Jun Wan , Yunxiao Qin , Xiaobai Li , Stan Z. Li , Guoying Zhao

Artificial Intelligence federates numerous scientific fields in the aim of developing machines able to assist human operators performing complex treatments -- most of which demand high cognitive skills (e.g. learning or decision processes).…

Artificial Intelligence · Computer Science 2017-04-19 Sébastien Harispe , Sylvie Ranwez , Stefan Janaqi , Jacky Montmain

Recent work has compared neural network representations via similarity-based analyses to improve model interpretation. The quality of a similarity measure is typically evaluated by its success in assigning a high score to representations…

Computation and Language · Computer Science 2024-09-23 Adir Rahamim , Yonatan Belinkov

The focus of this paper is the calculation of similarity between two concepts from an ontology for a Human-Like Interaction system. In order to facilitate this calculation, a similarity function is proposed based on five dimensions (sort,…

Artificial Intelligence · Computer Science 2014-01-21 Esperanza Albacete , Javier Calle , Elena Castro , Dolores Cuadra

Text-based person search aims at retrieving target person in an image gallery using a descriptive sentence of that person. It is very challenging since modal gap makes effectively extracting discriminative features more difficult. Moreover,…

Computer Vision and Pattern Recognition · Computer Science 2021-01-11 Chenyang Gao , Guanyu Cai , Xinyang Jiang , Feng Zheng , Jun Zhang , Yifei Gong , Pai Peng , Xiaowei Guo , Xing Sun

Approximate nearest neighbor search (ANNS) constitutes an important operation in a multitude of applications, including recommendation systems, information retrieval, and pattern recognition. In the past decade, graph-based ANNS algorithms…

Information Retrieval · Computer Science 2021-05-11 Mengzhao Wang , Xiaoliang Xu , Qiang Yue , Yuxiang Wang

Face anti-spoofing (FAS) plays a vital role in face recognition systems. Most state-of-the-art FAS methods 1) rely on stacked convolutions and expert-designed network, which is weak in describing detailed fine-grained information and easily…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Zitong Yu , Chenxu Zhao , Zezheng Wang , Yunxiao Qin , Zhuo Su , Xiaobai Li , Feng Zhou , Guoying Zhao

Advances in embedding models for text, image, audio, and video drive progress across multiple domains, including retrieval-augmented generation, recommendation systems, and others. Many of these applications require an efficient method to…

Databases · Computer Science 2026-04-02 Patrick Iff , Paul Bruegger , Marcin Chrapek , David Kochergin , Maciej Besta , Torsten Hoefler

We propose a new face recognition method, called a pairwise relational network (PRN), which takes local appearance features around landmark points on the feature map, and captures unique pairwise relations with the same identity and…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Bong-Nam Kang , Yonghyun Kim , Daijin Kim

Feature modeling of different modalities is a basic problem in current research of cross-modal information retrieval. Existing models typically project texts and images into one embedding space, in which semantically similar information…

Multimedia · Computer Science 2019-06-13 Jing Yu , Chenghao Yang , Zengchang Qin , Zhuoqian Yang , Yue Hu , Weifeng Zhang

Similarity search is a fundamental problem in social and knowledge networks like GitHub, DBLP, Wikipedia, etc. Existing network similarity measures are limited because they only consider similarity from the perspective of the query node.…

Social and Information Networks · Computer Science 2016-11-29 Baoxu Shi , Lin Yang , Tim Weninger

Algorithmic sequence alignment identifies similar segments shared between pairs of documents, and is fundamental to many NLP tasks. But it is difficult to recognize similarities between distant versions of narratives such as translations…

Computation and Language · Computer Science 2023-11-08 Tanzir Pial , Steven Skiena

Tiny face detection aims to find faces with high degrees of variability in scale, resolution and occlusion in cluttered scenes. Due to the very little information available on tiny faces, it is not sufficient to detect them merely based on…

Computer Vision and Pattern Recognition · Computer Science 2018-03-06 Yue Xi , Jiangbin Zheng , Xiangjian He , Wenjing Jia , Hanhui Li

Fashion image retrieval is a cornerstone of modern e-commerce systems. A unified framework that supports diverse query formats and search intentions is highly desired in practice. However, existing approaches focus on narrow retrieval tasks…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Haokun Wen , Xuemeng Song , Xinghao Xie , Xiaolin Chen , Xiangyu Zhao , Weili Guan

Existing narrative extraction methods face a trade-off between coherence, interactivity, and multi-storyline support. Narrative Maps supports rich interaction and generates multiple storylines as a byproduct of its coverage constraints,…

Fake news are nowadays an issue of pressing concern, given their recent rise as a potential threat to high-quality journalism and well-informed public discourse. The Fake News Challenge (FNC-1) was organized in 2017 to encourage the…

Machine Learning · Computer Science 2021-01-22 Luís Borges , Bruno Martins , Pável Calado

Author similarity and detection is an integral first step in detecting state-led disinformation campaigns in an automated fashion. Current detection techniques require an analyst or subject matter expert to hand-curate accounts. Stylometric…

Social and Information Networks · Computer Science 2019-12-10 A. Kingsland , D. Fortin , E. Cary , S. Smith , K. Pazdernik , R. Perko