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Face recognition has been widely studied due to its importance in different applications; however, most of the proposed methods fail when face images are occluded or captured under illumination and pose variations. Recently several low-rank…

计算机视觉与模式识别 · 计算机科学 2017-03-16 Homa Foroughi , Moein Shakeri , Nilanjan Ray , Hong Zhang

Face Anti-Spoofing (FAS) is recently studied under the continual learning setting, where the FAS models are expected to evolve after encountering the data from new domains. However, existing methods need extra replay buffers to store…

计算机视觉与模式识别 · 计算机科学 2023-03-20 Rizhao Cai , Yawen Cui , Zhi Li , Zitong Yu , Haoliang Li , Yongjian Hu , Alex Kot

Convolutional Neural Networks have reached extremely high performances on the Face Recognition task. Largely used datasets, such as VGGFace2, focus on gender, pose and age variations trying to balance them to achieve better results.…

计算机视觉与模式识别 · 计算机科学 2020-11-23 Fabio Valerio Massoli , Giuseppe Amato , Fabrizio Falchi

Compared to facial expression recognition, expression synthesis requires a very high-dimensional mapping. This problem exacerbates with increasing image sizes and limits existing expression synthesis approaches to relatively small images.…

计算机视觉与模式识别 · 计算机科学 2020-11-19 Nazar Khan , Arbish Akram , Arif Mahmood , Sania Ashraf , Kashif Murtaza

Transfer learning can address the learning tasks of unlabeled data in the target domain by leveraging plenty of labeled data from a different but related source domain. A core issue in transfer learning is to learn a shared feature space in…

机器学习 · 计算机科学 2019-01-10 Peng Xu , Zhaohong Deng , Jun Wang , Qun Zhang , Shitong Wang

Face Super-Resolution (FSR) aims to recover high-resolution (HR) face images from low-resolution (LR) ones. Despite the progress made by convolutional neural networks in FSR, the results of existing approaches are not ideal due to their low…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Hao Liu , Yang Yang , Yunxia Liu

We propose a simple strategy for masking image patches during visual-language contrastive learning that improves the quality of the learned representations and the training speed. During each iteration of training, we randomly mask clusters…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Zihao Wei , Zixuan Pan , Andrew Owens

Cross-resolution face recognition (CRFR), which is important in intelligent surveillance and biometric forensics, refers to the problem of matching a low-resolution (LR) probe face image against high-resolution (HR) gallery face images.…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Guangwei Gao , Yi Yu , Jian Yang , Guo-Jun Qi , Meng Yang

Pre-trained language models have been shown to improve performance in many natural language tasks substantially. Although the early focus of such models was single language pre-training, recent advances have resulted in cross-lingual and…

计算与语言 · 计算机科学 2021-04-22 Ozan Caglayan , Menekse Kuyu , Mustafa Sercan Amac , Pranava Madhyastha , Erkut Erdem , Aykut Erdem , Lucia Specia

Few-shot learning (FSL) is a central problem in meta-learning, where learners must efficiently learn from few labeled examples. Within FSL, feature pre-training has recently become an increasingly popular strategy to significantly improve…

机器学习 · 计算机科学 2023-11-07 Ruohan Wang , Isak Falk , Massimiliano Pontil , Carlo Ciliberto

Existing face super-resolution (FSR) methods have made significant advancements, but they primarily super-resolve face with limited visual information, original pixel-wise space in particular, commonly overlooking the pluralistic clues,…

计算机视觉与模式识别 · 计算机科学 2024-11-15 Chenyang Wang , Wenjie An , Kui Jiang , Xianming Liu , Junjun Jiang

This paper presents SimCLR: a simple framework for contrastive learning of visual representations. We simplify recently proposed contrastive self-supervised learning algorithms without requiring specialized architectures or a memory bank.…

机器学习 · 计算机科学 2020-07-02 Ting Chen , Simon Kornblith , Mohammad Norouzi , Geoffrey Hinton

We propose a simple yet powerful Landmark guided Generative Adversarial Network (LandmarkGAN) for the facial expression-to-expression translation using a single image, which is an important and challenging task in computer vision since the…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Hao Tang , Nicu Sebe

Visual and linguistic pre-training aims to learn vision and language representations together, which can be transferred to visual-linguistic downstream tasks. However, there exists semantic confusion between language and vision during the…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Shentong Mo , Jingfei Xia , Ihor Markevych

The collection and curation of large-scale medical datasets from multiple institutions is essential for training accurate deep learning models, but privacy concerns often hinder data sharing. Federated learning (FL) is a promising solution…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Rui Yan , Liangqiong Qu , Qingyue Wei , Shih-Cheng Huang , Liyue Shen , Daniel Rubin , Lei Xing , Yuyin Zhou

The great success of Convolutional Neural Networks (CNN) for facial attribute prediction relies on a large amount of labeled images. Facial image datasets are usually annotated by some commonly used attributes (e.g., gender), while labels…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Fariborz Taherkhani , Ali Dabouei , Sobhan Soleymani , Jeremy Dawson , Nasser M. Nasrabadi

It is still challenging to build an AI system that can perform tasks that involve vision and language at human level. So far, researchers have singled out individual tasks separately, for each of which they have designed networks and…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Duy-Kien Nguyen , Takayuki Okatani

We study how to transfer representations pretrained on source tasks to target tasks in visual percept based RL. We analyze two popular approaches: freezing or finetuning the pretrained representations. Empirical studies on a set of popular…

机器学习 · 计算机科学 2023-02-14 Sébastien M. R. Arnold , Fei Sha

Face anti-spoofing (FAS) has recently advanced in multimodal fusion, cross-domain generalization, and interpretability. With large language models and reinforcement learning (RL), strategy-based training offers new opportunities to jointly…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Yingjie Ma , Xun Lin , Yong Xu , Weicheng Xie , Zitong Yu

We present an extension to masked autoencoders (MAE) which improves on the representations learnt by the model by explicitly encouraging the learning of higher scene-level features. We do this by: (i) the introduction of a perceptual…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Samyakh Tukra , Frederick Hoffman , Ken Chatfield