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Face frontalization refers to the process of synthesizing the frontal view of a face from a given profile. Due to self-occlusion and appearance distortion in the wild, it is extremely challenging to recover faithful results and preserve…

计算机视觉与模式识别 · 计算机科学 2018-10-09 Jie Cao , Yibo Hu , Hongwen Zhang , Ran He , Zhenan Sun

Face recall is a basic human cognitive process performed routinely, e.g., when meeting someone and determining if we have met that person before. Assisting a subject during face recall by suggesting candidate faces can be challenging. One…

机器学习 · 统计学 2016-04-29 Andres G. Abad , Luis I. Reyes Castro

The analysis of expression and facial Action Units (AUs) detection are very important tasks in fields of computer vision and Human Computer Interaction (HCI) due to the wide range of applications in human life. Many works has been done…

计算机视觉与模式识别 · 计算机科学 2015-11-09 Mohammadamin Abbasnejad , Mohammad Ali Masnadi-Shirazi

It is a common practice to exploit pyramidal feature representation to tackle the problem of scale variation in object instances. However, most of them still predict the objects in a certain range of scales based solely or mainly on a…

计算机视觉与模式识别 · 计算机科学 2020-12-10 Zehui Gong , Dong Li

Facial expression editing is a challenging task as it needs a high-level semantic understanding of the input face image. In conventional methods, either paired training data is required or the synthetic face resolution is low. Moreover,…

计算机视觉与模式识别 · 计算机科学 2017-09-14 Hui Ding , Kumar Sricharan , Rama Chellappa

Whilst face recognition applications are becoming increasingly prevalent within our daily lives, leading approaches in the field still suffer from performance bias to the detriment of some racial profiles within society. In this study, we…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Seyma Yucer , Samet Akçay , Noura Al-Moubayed , Toby P. Breckon

Image retrieval methods for place recognition learn global image descriptors that are used for fetching geo-tagged images at inference time. Recent works have suggested employing weak and self-supervision for mining hard positives and hard…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Wenxuan Fang , Kai Zhang , Yoli Shavit , Wensen Feng

Face recognition has achieved considerable progress in recent years thanks to the development of deep neural networks, but it has recently been discovered that deep neural networks are vulnerable to adversarial examples. This means that…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Xiaoliang Liu , Furao Shen , Jian Zhao , Changhai Nie

Objectives: This research introduces a novel area-preserving Generative Adversarial Networks (GAN) inversion technique for effectively de-identifying dental patient images. This innovative method addresses privacy concerns while preserving…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Mingchuan Tian , Wilson Weixun Lu , Kelvin Weng Chiong Foong , Eugene Loh

Multi-task learning is an effective learning strategy for deep-learning-based facial expression recognition tasks. However, most existing methods take into limited consideration the feature selection, when transferring information between…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Rui Zhao , Tianshan Liu , Jun Xiao , Daniel P. K. Lun , Kin-Man Lam

Neural networks are known to be vulnerable to adversarial attacks -- slight but carefully constructed perturbations of the inputs which can drastically impair the network's performance. Many defense methods have been proposed for improving…

As a spontaneous expression of emotion on face, micro-expression reveals the underlying emotion that cannot be controlled by human. In micro-expression, facial movement is transient and sparsely localized through time. However, the existing…

计算机视觉与模式识别 · 计算机科学 2021-03-16 Min Peng , Chongyang Wang , Yuan Gao , Tao Bi , Tong Chen , Yu Shi , Xiang-Dong Zhou

Pre-trained language models (PLMs) have been widely used to underpin various downstream tasks. However, the adversarial attack task has found that PLMs are vulnerable to small perturbations. Mainstream methods adopt a detached two-stage…

计算与语言 · 计算机科学 2023-05-30 Xuanjie Fang , Sijie Cheng , Yang Liu , Wei Wang

We introduce a novel self-supervised learning method based on adversarial training. Our objective is to train a discriminator network to distinguish real images from images with synthetic artifacts, and then to extract features from its…

计算机视觉与模式识别 · 计算机科学 2018-06-14 Simon Jenni , Paolo Favaro

This paper tackles the challenging problem of estimating the intensity of Facial Action Units with few labeled images. Contrary to previous works, our method does not require to manually select key frames, and produces state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2020-11-05 Enrique Sanchez , Adrian Bulat , Anestis Zaganidis , Georgios Tzimiropoulos

Automatic real personality recognition (RPR) aims to evaluate human real personality traits from their expressive behaviours. However, most existing solutions generally act as external observers to infer observers' personality impressions…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Xiangyu Kong , Hengde Zhu , Haoqin Sun , Zhihao Guo , Jiayan Gu , Xinyi Ni , Wei Zhang , Shizhe Liu , Siyang Song

We propose an approach to self-supervised representation learning based on maximizing mutual information between features extracted from multiple views of a shared context. For example, one could produce multiple views of a local…

机器学习 · 计算机科学 2019-07-09 Philip Bachman , R Devon Hjelm , William Buchwalter

Aspect-based sentiment analysis (ABSA) tries to predict the polarity of a given document with respect to a given aspect entity. While neural network architectures have been successful in predicting the overall polarity of sentences,…

计算与语言 · 计算机科学 2017-12-18 Yi Tay , Anh Tuan Luu , Siu Cheung Hui

Facial expression has a significant role in analyzing human cognitive state. Deriving an accurate facial appearance representation is a critical task for an automatic facial expression recognition application. This paper provides a new…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Monu Verma , Prafulla Saxena , Santosh. K. Vipparthi , Gridhari Singh

Articulated human pose estimation is a fundamental yet challenging task in computer vision. The difficulty is particularly pronounced in scale variations of human body parts when camera view changes or severe foreshortening happens.…

计算机视觉与模式识别 · 计算机科学 2017-08-04 Wei Yang , Shuang Li , Wanli Ouyang , Hongsheng Li , Xiaogang Wang