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In recent years face recognition systems have been brought to the mainstream due to development in hardware and software. Consistent efforts are being made to make them better and more secure. This has also brought developments in 3D face…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Sanjeet Vardam , Luuk Spreeuwers

The machine learning community has been overwhelmed by a plethora of deep learning based approaches. Many challenging computer vision tasks such as detection, localization, recognition and segmentation of objects in unconstrained…

计算机视觉与模式识别 · 计算机科学 2019-07-16 Swarnendu Ghosh , Nibaran Das , Ishita Das , Ujjwal Maulik

Topological alignments and snakes are used in image processing, particularly in locating object boundaries. Both of them have their own advantages and limitations. To improve the overall image boundary detection system, we focused on…

计算机视觉与模式识别 · 计算机科学 2011-06-03 Ashraf A. Aly , Safaai Bin Deris , Nazar Zaki

Automatic generation of morphed face images often produces ghosting artifacts due to poorly aligned structures in the input images. Manual processing can mitigate these artifacts. However, this is not feasible for the generation of large…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Clemens Seibold , Anna Hilsmann , Peter Eisert

Recently, we have seen an increase in the global facial recognition market size. Despite significant advances in face recognition technology with the adoption of convolutional neural networks, there are still open challenges, such as when…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Marcus de Assis Angeloni , Helio Pedrini

Deepfakes pose growing challenges to the trust of information on the Internet. Thus, detecting deepfakes has attracted increasing attentions from both academia and industry. State-of-the-art deepfake detection methods consist of two key…

密码学与安全 · 计算机科学 2021-10-08 Xiaoyu Cao , Neil Zhenqiang Gong

Face recognition performance has improved remarkably in the last decade. Much of this success can be attributed to the development of deep learning techniques such as convolutional neural networks (CNNs). While CNNs have pushed the…

计算机视觉与模式识别 · 计算机科学 2018-03-29 Sandipan Banerjee , Joel Brogan , Janez Krizaj , Aparna Bharati , Brandon RichardWebster , Vitomir Struc , Patrick Flynn , Walter Scheirer

Face morphing attacks target to circumvent Face Recognition Systems (FRS) by employing face images derived from multiple data subjects (e.g., accomplices and malicious actors). Morphed images can be verified against contributing data…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Haoyu Zhang , Sushma Venkatesh , Raghavendra Ramachandra , Kiran Raja , Naser Damer , Christoph Busch

A face morph is created by combining the face images usually pertaining to two distinct identities. The goal is to generate an image that can be matched with two identities thereby undermining the security of a face recognition system. To…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Nitish Shukla , Arun Ross

Accurate segmentation of tumors and adjacent normal tissues in medical images is essential for surgical planning and tumor staging. Although foundation models generally perform well in segmentation tasks, they often struggle to focus on…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Kai Han , Siqi Ma , Chengxuan Qian , Jun Chen , Chongwen Lyu , Yuqing Song , Zhe Liu

This paper presents a novel yet efficient defense framework for segmentation models against adversarial attacks in medical imaging. In contrary to the defense methods against adversarial attacks for classification models which widely are…

图像与视频处理 · 电气工程与系统科学 2020-09-24 Hanwool Park , Amirhossein Bayat , Mohammad Sabokrou , Jan S. Kirschke , Bjoern H. Menze

Nowadays, facial recognition systems are still vulnerable to adversarial attacks. These attacks vary from simple perturbations of the input image to modifying the parameters of the recognition model to impersonate an authorised subject.…

计算机视觉与模式识别 · 计算机科学 2023-10-05 Daile Osorio-Roig , Mahdi Ghafourian , Christian Rathgeb , Ruben Vera-Rodriguez , Christoph Busch , Julian Fierrez

Morphed face images have recently become a growing concern for existing face verification systems, as they are relatively easy to generate and can be used to impersonate someone's identity for various malicious purposes. Efficient Morphing…

计算机视觉与模式识别 · 计算机科学 2023-06-29 Marija Ivanovska , Vitomir Štruc

Image segmentation is a crucial step in a wide range of method image processing systems. It is useful in visualization of the different objects present in the image. In spite of the several methods available in the literature, image…

计算机视觉与模式识别 · 计算机科学 2013-07-18 I. Laurence Aroquiaraj , K. Thangavel

Detecting maliciously falsified facial images and videos has attracted extensive attention from digital-forensics and computer-vision communities. An important topic in manipulation detection is the localization of the fake regions.…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Weinan Guan , Wei Wang , Jing Dong , Bo Peng , Tieniu Tan

A face morph is created by strategically combining two or more face images corresponding to multiple identities. The intention is for the morphed image to match with multiple identities. Current morph attack detection strategies can detect…

计算机视觉与模式识别 · 计算机科学 2022-09-08 Sudipta Banerjee , Prateek Jaiswal , Arun Ross

Foreground segmentation is an essential task in the field of image understanding. Under unsupervised conditions, different images and instances always have variable expressions, which make it difficult to achieve stable segmentation…

计算机视觉与模式识别 · 计算机科学 2020-05-22 Xi Li , Huimin Ma , Hongbing Ma , Yidong Wang

"Frontalization" is the process of synthesizing frontal facing views of faces appearing in single unconstrained photos. Recent reports have suggested that this process may substantially boost the performance of face recognition systems.…

计算机视觉与模式识别 · 计算机科学 2014-12-01 Tal Hassner , Shai Harel , Eran Paz , Roee Enbar

We propose an experimental method for measuring bias in face recognition systems. Existing methods to measure bias depend on benchmark datasets that are collected in the wild and annotated for protected (e.g., race, gender) and…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Hao Liang , Pietro Perona , Guha Balakrishnan

Face quality assessment aims at estimating the utility of a face image for the purpose of recognition. It is a key factor to achieve high face recognition performances. Currently, the high performance of these face recognition systems come…

计算机视觉与模式识别 · 计算机科学 2020-07-13 Philipp Terhörst , Jan Niklas Kolf , Naser Damer , Florian Kirchbuchner , Arjan Kuijper