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Single image deraining is a crucial problem because rain severely degenerates the visibility of images and affects the performance of computer vision tasks like outdoor surveillance systems and intelligent vehicles. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Hao-Hsiang Yang , Chao-Han Huck Yang , Yu-Chiang Frank Wang

Face morphing attack detection is a challenging task. Automatic classification methods and manual inspection are realised in automatic border control gates to detect morphing attacks. Understanding how a machine learning system can detect…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Juan Tapia , Christoph Busch

Advancing face morphing attack techniques is crucial to anticipate evolving threats and develop robust defensive mechanisms for identity verification systems. This work introduces DCMorph, a dual-stream diffusion-based morphing framework…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Tahar Chettaoui , Eduarda Caldeira , Guray Ozgur , Raghavendra Ramachandra , Fadi Boutros , Naser Damer

This paper presents a novel keypoints-based attention mechanism for visual recognition in still images. Deep Convolutional Neural Networks (CNNs) for recognizing images with distinctive classes have shown great success, but their…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Asish Bera , Zachary Wharton , Yonghuai Liu , Nik Bessis , Ardhendu Behera

Morphing attacks is a threat to biometric systems where the biometric reference in an identity document can be altered. This form of attack presents an important issue in applications relying on identity documents such as border security or…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Eklavya Sarkar , Pavel Korshunov , Laurent Colbois , Sébastien Marcel

Face-morphing attacks have been a cause for concern for a number of years. Striving to remain one step ahead of attackers, researchers have proposed many methods of both creating and detecting morphed images. These detection methods,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Richard T. Marriott , Sami Romdhani , Stéphane Gentric , Liming Chen

Due to the advancement of Generative Adversarial Networks (GAN), Autoencoders, and other AI technologies, it has been much easier to create fake images such as "Deepfakes". More recent research has introduced few-shot learning, which uses a…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Young Oh Bang , Simon S. Woo

In this paper, we propose a computational efficient end-to-end training deep neural network (CEDNN) model and spatial attention maps based on difference images. Firstly, the difference image is generated by image processing. Then five…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Jing Chen , Chenhui Wang , Kejun Wang , Meichen Liu

Event cameras offer high temporal resolution and dynamic range with minimal motion blur, making them promising for robust object detection. While Spiking Neural Networks (SNNs) on neuromorphic hardware are often considered for…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Soikat Hasan Ahmed , Jan Finkbeiner , Emre Neftci

Synthetic aperture radar (SAR) image change detection is critical in remote sensing image analysis. Recently, the attention mechanism has been widely used in change detection tasks. However, existing attention mechanisms often employ…

Image and Video Processing · Electrical Eng. & Systems 2024-07-19 Jiangwei Xie , Feng Gao , Xiaowei Zhou , Junyu Dong

Few studies have focused on examining how people recognize morphing attacks, even as several publications have examined the susceptibility of automated FRS and offered morphing attack detection (MAD) approaches. MAD approaches base their…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Sankini Rancha Godage , Frøy Løvåsdal , Sushma Venkatesh , Kiran Raja , Raghavendra Ramachandra , Christoph Busch

In most recent years, deep convolutional neural networks (DCNNs) based image super-resolution (SR) has gained increasing attention in multimedia and computer vision communities, focusing on restoring the high-resolution (HR) image from a…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Jingcai Guo , Shiheng Ma , Song Guo

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…

Computer Vision and Pattern Recognition · Computer Science 2023-06-29 Marija Ivanovska , Vitomir Štruc

This work proposes a new end-to-end DCNN based approach for motion segmentation, especially for video sequences captured with such non-static cameras, called MOSNET. While other approaches focus on spatial or temporal context only, the…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Markus Bosch

Face morphing attack detection (MAD) is one of the most challenging tasks in the field of face recognition nowadays. In this work, we introduce a novel deep learning strategy for a single image face morphing detection, which implies the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-08 Iurii Medvedev , Farhad Shadmand , Nuno Gonçalves

Face recognition has evolved significantly with the advancement of deep learning techniques, enabling its widespread adoption in various applications requiring secure authentication. However, this progress has also increased its exposure to…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Iurii Medvedev , Nuno Goncalves

In the digital age, the emergence of deepfakes and synthetic media presents a significant threat to societal and political integrity. Deepfakes based on multi-modal manipulation, such as audio-visual, are more realistic and pose a greater…

Sound · Computer Science 2024-08-08 Vinaya Sree Katamneni , Ajita Rattani

In this paper, we present novel sharp attention networks by adaptively sampling feature maps from convolutional neural networks (CNNs) for person re-identification (re-ID) problem. Due to the introduction of sampling-based attention models,…

Computer Vision and Pattern Recognition · Computer Science 2018-09-27 Chen Shen , Guo-Jun Qi , Rongxin Jiang , Zhongming Jin , Hongwei Yong , Yaowu Chen , Xian-Sheng Hua

Object detection and counting are related but challenging problems, especially for drone based scenes with small objects and cluttered background. In this paper, we propose a new Guided Attention Network (GANet) to deal with both object…

Computer Vision and Pattern Recognition · Computer Science 2019-09-26 Yuanqiang Cai , Dawei Du , Libo Zhang , Longyin Wen , Weiqiang Wang , Yanjun Wu , Siwei Lyu

Images of morphed faces pose a serious threat to face recognition--based security systems, as they can be used to illegally verify the identity of multiple people with a single morphed image. Modern detection algorithms learn to identify…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Marija Ivanovska , Andrej Kronovšek , Peter Peer , Vitomir Štruc , Borut Batagelj