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Biometric recognition on partial captured targets is challenging, where only several partial observations of objects are available for matching. In this area, deep learning based methods are widely applied to match these partial captured…

Computer Vision and Pattern Recognition · Computer Science 2018-10-18 Lingxiao He , Zhenan Sun , Yuhao Zhu , Yunbo Wang

We present a novel two-view geometry estimation framework which is based on a differentiable robust loss function fitting. We propose to treat the robust fundamental matrix estimation as an implicit layer, which allows us to avoid…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Vladislav Pyatov , Iaroslav Koshelev , Stamatis Lefkimmiatis

Most saliency estimation methods aim to explicitly model low-level conspicuity cues such as edges or blobs and may additionally incorporate top-down cues using face or text detection. Data-driven methods for training saliency models using…

Computer Vision and Pattern Recognition · Computer Science 2018-04-06 Saumya Jetley , Naila Murray , Eleonora Vig

We present a quality-aware multimodal recognition framework that combines representations from multiple biometric traits with varying quality and number of samples to achieve increased recognition accuracy by extracting complimentary…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Sobhan Soleymani , Ali Dabouei , Fariborz Taherkhani , Seyed Mehdi Iranmanesh , Jeremy Dawson , Nasser M. Nasrabadi

Face verification remains a challenging problem in very complex conditions with large variations such as pose, illumination, expression, and occlusions. This problem is exacerbated when we rely unrealistically on a single training data…

Computer Vision and Pattern Recognition · Computer Science 2014-12-23 Chaochao Lu , Xiaoou Tang

Deep Metric Learning (DML) models often require strong local and global representations, however, effective integration of local and global features in DML model training is a challenge. DML models are often trained with specific loss…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Mohammad K. Ebrahimpour , Gang Qian , Allison Beach

Face representation in the wild is extremely hard due to the large scale face variations. To this end, some deep convolutional neural networks (CNNs) have been developed to learn discriminative feature by designing properly margin-based…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Jianjun Qian , Shumin Zhu , Chaoyu Zhao , Jian Yang , Wai Keung Wong

With the rapid development of deep learning technology, more and more face forgeries by deepfake are widely spread on social media, causing serious social concern. Face forgery detection has become a research hotspot in recent years, and…

Computer Vision and Pattern Recognition · Computer Science 2021-09-30 Hao Lin , Weiqi Luo , Kangkang Wei , Minglin Liu

Clinical application of high-resolution diffusion MRI is hindered by hardware limitations and prohibitive scan times, motivating computational super-resolution. This study investigates the efficacy of a feature-based loss function in…

Image and Video Processing · Electrical Eng. & Systems 2026-05-18 David Lohr , Rene Werner

We develop a general framework for estimating the $L_\infty(\mathbb{T}^d)$ error for the approximation of multivariate periodic functions belonging to specific reproducing kernel Hilbert spaces (RHKS) using approximants that are…

Numerical Analysis · Mathematics 2019-09-06 Lutz Kämmerer

This paper presents an extensive exploration and comparative analysis of lightweight face recognition (FR) models, specifically focusing on MobileFaceNet and its modified variant, MMobileFaceNet. The need for efficient FR models on devices…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Ahmad Hassanpour , Yasamin Kowsari

Deep face recognition has achieved great success due to large-scale training databases and rapidly developing loss functions. The existing algorithms devote to realizing an ideal idea: minimizing the intra-class distance and maximizing the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Yaoyao Zhong , Weihong Deng , Jiani Hu , Dongyue Zhao , Xian Li , Dongchao Wen

State-of-the-art face recognition (FR) approaches have shown remarkable results in predicting whether two faces belong to the same identity, yielding accuracies between 92% and 100% depending on the difficulty of the protocol. However, the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-30 Stefan Hörmann , Tianlin Kong , Torben Teepe , Fabian Herzog , Martin Knoche , Gerhard Rigoll

We propose a deep learning-based feature fusion approach for facial computing including face recognition as well as gender, race and age detection. Instead of training a single classifier on face images to classify them based on the…

Computer Vision and Pattern Recognition · Computer Science 2016-10-17 Wei Li , Zhigang Zhu

Average-K classification is an alternative to top-K classification in which the number of labels returned varies with the ambiguity of the input image but must average to K over all the samples. A simple method to solve this task is to…

Machine Learning · Computer Science 2023-04-03 Camille Garcin , Maximilien Servajean , Alexis Joly , Joseph Salmon

As Covid-19 has been constantly getting mutated and in three or four months a new variant gets introduced to us and it comes with more deadly problems. The things that prevent us from getting Covid is getting vaccinated and wearing a face…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Abdullah Ahmad Khan , Mohd. Belal , GhufranUllah

This paper explores connections between margin-based loss functions and consistency in binary classification and regression applications. It is shown that a large class of margin-based loss functions for binary classification/regression…

Machine Learning · Statistics 2023-01-30 Jeffrey Buzas

This paper presents a simple and effective two-stage mesh denoising algorithm, where in the first stage, the face normal filtering is done by using the bilateral normal filtering in the robust statistics framework. Tukey's bi-weight…

Graphics · Computer Science 2017-11-22 Sunil Kumar Yadav , Ulrich Reitebuch , Konrad Polthier

Real-world object classes appear in imbalanced ratios. This poses a significant challenge for classifiers which get biased towards frequent classes. We hypothesize that improving the generalization capability of a classifier should improve…

Computer Vision and Pattern Recognition · Computer Science 2019-01-24 Munawar Hayat , Salman Khan , Waqas Zamir , Jianbing Shen , Ling Shao

Despite the striking success of general protein folding models such as AlphaFold2(AF2, Jumper et al. (2021)), the accurate computational modeling of antibody-antigen complexes remains a challenging task. In this paper, we first analyze…

Quantitative Methods · Quantitative Biology 2024-07-03 Ruidong Wu , Ruihan Guo , Rui Wang , Shitong Luo , Yue Xu , Jiahan Li , Jianzhu Ma , Qiang Liu , Yunan Luo , Jian Peng