The advances in human face recognition (FR) systems have recorded sublime success for
automatic and secured authentication in diverse domains. Although the traditional methods …

Presentation attack detection (PAD) algorithms have become an integral requirement for the
secure usage of face recognition systems. As face recognition algorithms and applications …

Prevailing face biometric-based recognition systems are susceptible to widely attempted
spoof or presentation attacks. To countermeasure these attacks, automated spoof detection …

Despite the high performances achieved using deep learning techniques in biometric
systems, the inability to rationalise the decisions reached by such approaches is a …

为了应对大量的欺诈攻击, 如照片攻击和视频攻击, 提出了一种基于多通道特征与最小二乘法
决策的人脸反欺诈方法. 一方面, 将人脸在不同颜色空间分量上的梯度特征进行加权融合 …

Spatio-temporal information is valuable as a discriminative cue for presentation attack
detection, where the temporal texture changes and fine-grained motions (such as eye …

With the increasing popularity of face recognition technology, face-spoofing frequently
occurs, resulting in security risks and economic losses. The research on face anti-spoofing …

Obesity is an increasing problem in the UK, with over half of the population being overweight
or obese. The use of gastric surgery is increasing, with a 5% increase in 2016/17 compared …