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We propose a novel method for creating adversarial examples. Instead of perturbing pixels, we use an encoder-decoder representation of the input image and perturb intermediate layers in the decoder. This changes the high-level features…

计算机视觉与模式识别 · 计算机科学 2021-10-15 Vojtěch Čermák , Lukáš Adam

We propose MAD-GAN, an intuitive generalization to the Generative Adversarial Networks (GANs) and its conditional variants to address the well known problem of mode collapse. First, MAD-GAN is a multi-agent GAN architecture incorporating…

计算机视觉与模式识别 · 计算机科学 2018-07-17 Arnab Ghosh , Viveka Kulharia , Vinay Namboodiri , Philip H. S. Torr , Puneet K. Dokania

Although a substantial amount of studies is dedicated to morph detection, most of them fail to generalize for morph faces outside of their training paradigm. Moreover, recent morph detection methods are highly vulnerable to adversarial…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Hossein Kashiani , Shoaib Meraj Sami , Sobhan Soleymani , Nasser M. Nasrabadi

Face plays an important role in humans visual perception, and reconstructing perceived faces from brain activities is challenging because of its difficulty in extracting high-level features and maintaining consistency of multiple face…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Zihao Wang , Jing Zhao , Xuetong Ding , Hui Zhang

This paper aims to address a new task of image morphing under a multiview setting, which takes two sets of multiview images as the input and generates intermediate renderings that not only exhibit smooth transitions between the two input…

计算机视觉与模式识别 · 计算机科学 2022-08-03 Chih-Jung Tsai , Cheng Sun , Hwann-Tzong Chen

Magnetic Resonance Imaging (MRI) of the brain can come in the form of different modalities such as T1-weighted and Fluid Attenuated Inversion Recovery (FLAIR) which has been used to investigate a wide range of neurological disorders.…

机器学习 · 计算机科学 2019-12-11 Harrison Nguyen , Simon Luo , Fabio Ramos

Current state-of-the-art deep learning based face recognition (FR) models require a large number of face identities for central training. However, due to the growing privacy awareness, it is prohibited to access the face images on user…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Chih-Ting Liu , Chien-Yi Wang , Shao-Yi Chien , Shang-Hong Lai

Generative Adversarial Networks (GANs) can produce high-quality samples, but do not provide an estimate of the probability density around the samples. However, it has been noted that maximizing the log-likelihood within an energy-based…

机器学习 · 计算机科学 2023-10-03 Omri Ben-Dov , Pravir Singh Gupta , Victoria Abrevaya , Michael J. Black , Partha Ghosh

Modern GANs excel at generating high quality and diverse images. However, when transferring the pretrained GANs on small target data (e.g., 10-shot), the generator tends to replicate the training samples. Several methods have been proposed…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Yunqing Zhao , Henghui Ding , Houjing Huang , Ngai-Man Cheung

Foreground-aware image synthesis aims to generate images as well as their foreground masks. A common approach is to formulate an image as an masked blending of a foreground image and a background image. It is a challenging problem because…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Jeongmin Bae , Mingi Kwon , Youngjung Uh

Face recognition based on the deep convolutional neural networks (CNN) shows superior accuracy performance attributed to the high discriminative features extracted. Yet, the security and privacy of the extracted features from deep learning…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Xingbo Dong , Zhihui Miao , Lan Ma , Jiajun Shen , Zhe Jin , Zhenhua Guo , Andrew Beng Jin Teoh

Federated learning (FL) is a trending training paradigm to utilize decentralized training data. FL allows clients to update model parameters locally for several epochs, then share them to a global model for aggregation. This training…

机器学习 · 计算机科学 2022-08-09 Xiaoxiao Li , Zhao Song , Jiaming Yang

Common measures of brain functional connectivity (FC) including covariance and correlation matrices are semi-positive definite (SPD) matrices residing on a cone-shape Riemannian manifold. Despite its remarkable success for Euclidean-valued…

机器学习 · 计算机科学 2022-12-13 Yee-Fan Tan , Chee-Ming Ting , Fuad Noman , Raphaël C. -W. Phan , Hernando Ombao

Generating realistic palmprint (more generally biometric) images has always been an interesting and, at the same time, challenging problem. Classical statistical models fail to generate realistic-looking palmprint images, as they are not…

计算机视觉与模式识别 · 计算机科学 2020-03-25 Shervin Minaee , Mehdi Minaei , Amirali Abdolrashidi

In recent years, the rapid development of generative artificial intelligence technology has significantly lowered the barrier to creating high-quality fake images, posing a serious challenge to information authenticity and credibility.…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Haifeng Zhang , Qinghui He , Xiuli Bi , Bo Liu , Chi-Man Pun , Bin Xiao

Handwritten fonts have a distinct expressive character, but they are often difficult to read due to unclear or inconsistent handwriting. FontFusionGAN (FFGAN) is a novel method for improving handwritten fonts by combining them with printed…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Avinash Kumar , Kyeolhee Kang , Ammar ul Hassan , Jaeyoung Choi

In this study, we employ Generative Adversarial Networks as an oversampling method to generate artificial data to assist with the classification of credit card fraudulent transactions. GANs is a generative model based on the idea of game…

机器学习 · 计算机科学 2019-07-09 Hung Ba

Deepfakes utilise Artificial Intelligence (AI) techniques to create synthetic media where the likeness of one person is replaced with another. There are growing concerns that deepfakes can be maliciously used to create misleading and…

计算机视觉与模式识别 · 计算机科学 2022-06-02 Nyee Thoang Lim , Meng Yi Kuan , Muxin Pu , Mei Kuan Lim , Chun Yong Chong

Face morphing, a sophisticated presentation attack technique, poses significant security risks to face recognition systems. Traditional methods struggle to detect morphing attacks, which involve blending multiple face images to create a…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Iurii Medvedev , Joana Pimenta , Nuno Gonçalves

In this paper, we propose a novel cross-attention-based generative adversarial network (GAN) for the challenging person image generation task. Cross-attention is a novel and intuitive multi-modal fusion method in which an…

计算机视觉与模式识别 · 计算机科学 2025-01-16 Hao Tang , Ling Shao , Nicu Sebe , Luc Van Gool