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Oblique Decision Tree (ODT) separates the feature space by linear projections, as opposed to the conventional Decision Tree (DT) that forces axis-parallel splits. ODT has been proven to have a stronger representation ability than DT, as it…

Machine Learning · Computer Science 2025-02-04 Shen-Huan Lyu , Yi-Xiao He , Yanyan Wang , Zhihao Qu , Bin Tang , Baoliu Ye

Face recognition has witnessed significant progress due to the advances of deep convolutional neural networks (CNNs), the central task of which is how to improve the feature discrimination. To this end, several margin-based (\textit{e.g.},…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Xiaobo Wang , Shifeng Zhang , Shuo Wang , Tianyu Fu , Hailin Shi , Tao Mei

The training scheme of deep face recognition has greatly evolved in the past years, yet it encounters new challenges in the large-scale data situation where massive and diverse hard cases occur. Especially in the range of low false accept…

Computer Vision and Pattern Recognition · Computer Science 2021-05-17 Dan Zeng , Hailin Shi , Hang Du , Jun Wang , Zhen Lei , Tao Mei

Large facial variations are the main challenge in face recognition. To this end, previous variation-specific methods make full use of task-related prior to design special network losses, which are typically not general among different tasks…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Yuge Huang , Pengcheng Shen , Ying Tai , Shaoxin Li , Xiaoming Liu , Jilin Li , Feiyue Huang , Rongrong Ji

Few-Shot Remote Sensing Scene Classification (FS-RSSC) presents the challenge of classifying remote sensing images with limited labeled samples. Existing methods typically emphasize single-modal feature learning, neglecting the potential…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Zhong Ji , Ci Liu , Jingren Liu , Chen Tang , Yanwei Pang , Xuelong Li

The softmax-based loss functions and its variants (e.g., cosface, sphereface, and arcface) significantly improve the face recognition performance in wild unconstrained scenes. A common practice of these algorithms is to perform…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Hongwei Xu , Suncheng Xiang , Dahong Qian

Imbalanced data pose challenges for deep learning based classification models. One of the most widely-used approaches for tackling imbalanced data is re-weighting, where training samples are associated with different weights in the loss…

Machine Learning · Computer Science 2022-08-08 Dandan Guo , Zhuo Li , Meixi Zheng , He Zhao , Mingyuan Zhou , Hongyuan Zha

Face recognition (FR) using deep convolutional neural networks (DCNNs) has seen remarkable success in recent years. One key ingredient of DCNN-based FR is the appropriate design of a loss function that ensures discrimination between various…

Computer Vision and Pattern Recognition · Computer Science 2021-03-08 Syed Safwan Khalid , Muhammad Awais , Chi-Ho Chan , Zhenhua Feng , Ammarah Farooq , Ali Akbari , Josef Kittler

Deep learning techniques are renowned for supporting effective transfer learning. However, as we demonstrate, the transferred representations support only a few modes of separation and much of its dimensionality is unutilized. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2015-12-23 Etai Littwin , Lior Wolf

In this paper, we propose a novel face alignment method that trains deep convolutional network from coarse to fine. It divides given landmarks into principal subset and elaborate subset. We firstly keep a large weight for principal subset…

Computer Vision and Pattern Recognition · Computer Science 2016-08-02 Zhiwen Shao , Shouhong Ding , Yiru Zhao , Qinchuan Zhang , Lizhuang Ma

Recognizability, a key perceptual factor in human face processing, strongly affects the performance of face recognition (FR) systems in both verification and identification tasks. Effectively using recognizability to enhance feature…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Duc-Phuong Doan-Ngo , Thanh-Dang Diep , Thanh Nguyen-Duc , Thanh-Sach LE , Nam Thoai

Face recognition has witnessed significant progresses due to the advances of deep convolutional neural networks (CNNs), the central challenge of which, is feature discrimination. To address it, one group tries to exploit mining-based…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Xiaobo Wang , Shuo Wang , Shifeng Zhang , Tianyu Fu , Hailin Shi , Tao Mei

In this work, we investigate several methods and strategies to learn deep embeddings for face recognition, using joint sample- and set-based optimization. We explain our framework that expands traditional learning with set-based supervision…

Computer Vision and Pattern Recognition · Computer Science 2020-09-09 Baris Gecer , Vassileios Balntas , Tae-Kyun Kim

Learning discriminative deep feature embeddings by using million-scale in-the-wild datasets and margin-based softmax loss is the current state-of-the-art approach for face recognition. However, the memory and computing cost of the Fully…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Xiang An , Jiankang Deng , Jia Guo , Ziyong Feng , Xuhan Zhu , Jing Yang , Tongliang Liu

In the open world, detecting out-of-distribution (OOD) data, whose labels are disjoint with those of in-distribution (ID) samples, is important for reliable deep neural networks (DNNs). To achieve better detection performance, one type of…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Yingwen Wu , Ruiji Yu , Xinwen Cheng , Zhengbao He , Xiaolin Huang

Convolutional Neural Networks (CNNs) have been widely used in computer vision tasks, such as face recognition and verification, and have achieved state-of-the-art results due to their ability to capture discriminative deep features.…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Alessandro Calefati , Muhammad Kamran Janjua , Shah Nawaz , Ignazio Gallo

Despite the recent success of convolutional neural networks for computer vision applications, unconstrained face recognition remains a challenge. In this work, we make two contributions to the field. Firstly, we consider the problem of face…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Daniel Sáez Trigueros , Li Meng , Margaret Hartnett

Convolutional Neural Network (CNN) have been widely used in image classification. Over the years, they have also benefited from various enhancements and they are now considered as state of the art techniques for image like data. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-06-06 Thomas Gonzalez , Antoine Blais , Nicolas Couëllan , Christian Ruiz

Face recognition has made extraordinary progress owing to the advancement of deep convolutional neural networks (CNNs). The central task of face recognition, including face verification and identification, involves face feature…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Hao Wang , Yitong Wang , Zheng Zhou , Xing Ji , Dihong Gong , Jingchao Zhou , Zhifeng Li , Wei Liu

Pretrained Transformers achieve remarkable performance when training and test data are from the same distribution. However, in real-world scenarios, the model often faces out-of-distribution (OOD) instances that can cause severe semantic…

Computation and Language · Computer Science 2022-01-24 Wenxuan Zhou , Fangyu Liu , Muhao Chen
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