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Face anti-spoofing (FAS) plays a critical role in securing face recognition systems from different presentation attacks. Previous works leverage auxiliary pixel-level supervision and domain generalization approaches to address unseen spoof…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Chien-Yi Wang , Yu-Ding Lu , Shang-Ta Yang , Shang-Hong Lai

Face recognition algorithms perform more accurately than humans in some cases, though humans and machines both show race-based accuracy differences. As algorithms continue to improve, it is important to continually assess their race bias…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Geraldine Jeckeln , Selin Yavuzcan , Kate A. Marquis , Prajay Sandipkumar Mehta , Amy N. Yates , P. Jonathon Phillips , Alice J. O'Toole

The problem of faces detection in images or video streams is a classical problem of computer vision. The multiple solutions of this problem have been proposed, but the question of their optimality is still open. Many algorithms achieve a…

计算机视觉与模式识别 · 计算机科学 2015-11-24 Ilya Kalinovskii , Vladimir Spitsyn

Current self-supervised learning (SSL) methods (e.g., SimCLR, DINO, VICReg,MOCOv3) target primarily on representations at instance level and do not generalize well to dense prediction tasks, such as object detection and segmentation.Towards…

机器学习 · 计算机科学 2023-11-07 Qing Su , Anton Netchaev , Hai Li , Shihao Ji

Psychophysical studies suggest that face recognition takes place in a narrow band of low spatial frequencies (``critical band''). Here, we examined the recognition performance of an artificial face recognition system as a function of the…

神经元与认知 · 定量生物学 2007-05-23 Matthias S. Keil , Agata Lapedriza , David Masip , Jordi Vitria

Facial recognition has always been a challeng- ing task for computer vision scientists and experts. Despite complexities arising due to variations in camera parameters, illumination and face orientations, significant progress has been made…

计算机视觉与模式识别 · 计算机科学 2018-09-11 Saumya Kumaar , Abhinandan Dogra , Abrar Majeedi , Hanan Gani , Ravi M. Vishwanath , S N Omkar

Face recognition technology has advanced rapidly and has been widely used in various applications. Due to the extremely huge amount of data of face images and the large computing resources required correspondingly in large-scale face…

计算机视觉与模式识别 · 计算机科学 2019-07-04 Nai Bian , Feng Liang , Haisheng Fu , Bo Lei

Editing on digital images is ubiquitous. Identification of deliberately modified facial images is a new challenge for face identification system. In this paper, we address the problem of identification of a face or person from heavily…

计算机视觉与模式识别 · 计算机科学 2012-11-01 H. R. Chennamma , Lalitha Rangarajan

Place recognition plays a crucial role in re-localization and loop closure detection tasks for robots and vehicles. This paper seeks a well-defined global descriptor for LiDAR-based place recognition. Compared to local descriptors, global…

机器人学 · 计算机科学 2022-09-28 Yongzhi Fan , Xin Du , Lun Luo , Jizhong Shen

Biometric technologies, especially face recognition, have become an essential part of identity management systems worldwide. In deployments of biometrics, secure storage of biometric information is necessary in order to protect the users'…

计算机视觉与模式识别 · 计算机科学 2021-11-08 Christian Rathgeb , Johannes Merkle , Johanna Scholz , Benjamin Tams , Vanessa Nesterowicz

The growing scope, scale, and number of biometric deployments around the world emphasise the need for research into technologies facilitating efficient and reliable biometric identification queries. This work presents a method of indexing…

计算机视觉与模式识别 · 计算机科学 2021-03-08 Pawel Drozdowski , Fabian Stockhardt , Christian Rathgeb , Christoph Busch

In this paper, we present a novel approach to automatic 3D Facial Expression Recognition (FER) based on deep representation of facial 3D geometric and 2D photometric attributes. A 3D face is firstly represented by its geometric and…

计算机视觉与模式识别 · 计算机科学 2015-11-11 Huibin Li , Jian Sun , Dong Wang , Zongben Xu , Liming Chen

We propose a method to address challenges in unconstrained face detection, such as arbitrary pose variations and occlusions. First, a new image feature called Normalized Pixel Difference (NPD) is proposed. NPD feature is computed as the…

计算机视觉与模式识别 · 计算机科学 2015-09-08 Shengcai Liao , Anil K. Jain , Stan Z. Li

Working with Child Sexual Exploitation Material (CSEM) in forensic applications might be benefited from the progress in automatic face recognition. However, discriminative parts of a face in CSEM, i.e., mostly the eyes, could be often…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Rubel Biswas , Pablo Blanco-Medina

Pattern recognition problem rely upon the features inherent in the pattern of images. Face detection and recognition is one of the challenging research areas in the field of computer vision. In this paper, we present a method to identify…

计算机视觉与模式识别 · 计算机科学 2013-12-25 P. Kiran Sree , I. Ramesh Babu

Automated Facial Expression Recognition (FER) has remained a challenging and interesting problem. Despite efforts made in developing various methods for FER, existing approaches traditionally lack generalizability when applied to unseen…

神经与进化计算 · 计算机科学 2016-11-18 Ali Mollahosseini , David Chan , Mohammad H. Mahoor

Due to the increasing availability and functionality of image editing tools, many forensic techniques such as digital image authentication, source identification and tamper detection are important for forensic image analysis. In this paper,…

计算机视觉与模式识别 · 计算机科学 2020-02-07 Ruiting Shao , Edward J. Delp

The internet is filled with fake face images and videos synthesized by deep generative models. These realistic DeepFakes pose a challenge to determine the authenticity of multimedia content. As countermeasures, artifact-based detection…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Gaojian Wang , Qian Jiang , Xin Jin , Xiaohui Cui

Computer-aided diagnosis (CAD) can help pathologists improve diagnostic accuracy together with consistency and repeatability for cancers. However, the CAD models trained with the histopathological images only from a single center (hospital)…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Jun Shi , Yuanming Zhang , Zheng Li , Xiangmin Han , Saisai Ding , Jun Wang , Shihui Ying

Although deep neural networks offer better face detection results than shallow or handcrafted models, their complex architectures come with higher computational requirements and slower inference speeds than shallow neural networks. In this…

计算机视觉与模式识别 · 计算机科学 2018-11-29 Petru Soviany , Radu Tudor Ionescu