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By applying artificial intelligence to image editing technology, it has become possible to generate high-quality images with minimal traces of manipulation. However, since these technologies can be misused for criminal activities such as…

Multimedia · Computer Science 2023-09-01 Jiwon Lee , Seungjae Jeon , Yunji Park , Jaehyun Chung , Doowon Jeong

Smartphone-based contactless fingerphoto authentication has become a reliable alternative to traditional contact-based fingerprint biometric systems owing to rapid advances in smartphone camera technology. Despite its convenience,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Hailin Li , Raghavendra Ramachandra , Mohamed Ragab , Soumik Mondal , Yong Kiam Tan , Khin Mi Mi Aung

Near-range portrait photographs often contain perspective distortion artifacts that bias human perception and challenge both facial recognition and reconstruction techniques. We present the first deep learning based approach to remove such…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Yajie Zhao , Zeng Huang , Tianye Li , Weikai Chen , Chloe LeGendre , Xinglei Ren , Jun Xing , Ari Shapiro , Hao Li

Image splicing is a common form of image forgery. Such alterations may leave no visual clues of tampering. In recent works camera characteristics consistency across the image has been used to establish the authenticity and integrity of…

Computer Vision and Pattern Recognition · Computer Science 2011-05-25 H. R. Chennamma , Lalitha Rangarajan

Modern smartphones contain motion sensors, such as accelerometers and gyroscopes. These sensors have many useful applications; however, they can also be used to uniquely identify a phone by measuring anomalies in the signals, which are a…

Cryptography and Security · Computer Science 2015-03-09 Anupam Das , Nikita Borisov , Matthew Caesar

Online palmprint recognition and latent palmprint identification are two branches of palmprint studies. The former uses middle-resolution images collected by a digital camera in a well-controlled or contact-based environment with user…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Wojciech Michal Matkowski , Tingting Chai , Adams Wai Kin Kong

The rapid advancement of generative artificial intelligence is producing fake remote sensing imagery (RSI) that is increasingly difficult to detect, potentially leading to erroneous intelligence, fake news, and even conspiracy theories.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Ji Qi , Xinchang Zhang , Dingqi Ye , Yongjia Ruan , Xin Guo , Shaowen Wang , Haifeng Li

We describe a method to produce a network where current methods such as DeepFool have great difficulty producing adversarial samples. Our construction suggests some insights into how deep networks work. We provide a reasonable analyses that…

Computer Vision and Pattern Recognition · Computer Science 2017-08-16 Jiajun Lu , Theerasit Issaranon , David Forsyth

In the previous decade, there has been a considerable rise in the usage of smartphones.Due to exorbitant advancement in technology, computational speed and quality of image capturing has increased considerably. With an increase in the need…

Computer Vision and Pattern Recognition · Computer Science 2017-08-04 Saksham Gupta , Sukhad Anand , Atul Rai

Image manipulation is rapidly evolving, allowing the creation of credible content that can be used to bend reality. Although the results of deepfake detectors are promising, deepfakes can be made even more complicated to detect through…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Davide Alessandro Coccomini , Roberto Caldelli , Fabrizio Falchi , Claudio Gennaro , Giuseppe Amato

Deep neural networks are vulnerable to adversarial examples, which dramatically alter model output using small input changes. We propose Neural Fingerprinting, a simple, yet effective method to detect adversarial examples by verifying…

Machine Learning · Computer Science 2019-06-18 Sumanth Dathathri , Stephan Zheng , Tianwei Yin , Richard M. Murray , Yisong Yue

The malicious applications of deep forgery, represented by face swapping, have introduced security threats such as misinformation dissemination and identity fraud. While some research has proposed the use of robust watermarking methods to…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Yunming Zhang , Dengpan Ye , Caiyun Xie , Long Tang , Chuanxi Chen , Ziyi Liu , Jiacheng Deng

With substantial amount of time, resources and human (team) efforts invested to explore and develop successful deep neural networks (DNN), there emerges an urgent need to protect these inventions from being illegally copied, redistributed,…

Cryptography and Security · Computer Science 2019-11-05 Lixin Fan , Kam Woh Ng , Chee Seng Chan

Photoacoustic imaging (PAI) is rapidly moving from the laboratory to the clinic, increasing the need to understand confounders which might adversely affect patient care. Over the past five years, landmark studies have shown the clinical…

The increasing difficulty in accurately detecting forged images generated by AIGC(Artificial Intelligence Generative Content) poses many risks, necessitating the development of effective methods to identify and further locate forged areas.…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Yang Liu , Xiaofei Li , Jun Zhang , Shengze Hu , Jun Lei

In MRI, motion artefacts are among the most common types of artefacts. They can degrade images and render them unusable for accurate diagnosis. Traditional methods, such as prospective or retrospective motion correction, have been proposed…

Image and Video Processing · Electrical Eng. & Systems 2020-12-01 Soumick Chatterjee , Alessandro Sciarra , Max Dünnwald , Steffen Oeltze-Jafra , Andreas Nürnberger , Oliver Speck

Face morphing represents nowadays a big security threat in the context of electronic identity documents as well as an interesting challenge for researchers in the field of face recognition. Despite of the good performance obtained by…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Matteo Ferrara , Annalisa Franco , Davide Maltoni

We propose a deep feature-based face detector for mobile devices to detect user's face acquired by the front facing camera. The proposed method is able to detect faces in images containing extreme pose and illumination variations as well as…

Computer Vision and Pattern Recognition · Computer Science 2016-02-17 Sayantan Sarkar , Vishal M. Patel , Rama Chellappa

Recently, it was found that many real-world examples without intentional modifications can fool machine learning models, and such examples are called "natural adversarial examples". ImageNet-A is a famous dataset of natural adversarial…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Xiao Li , Jianmin Li , Ting Dai , Jie Shi , Jun Zhu , Xiaolin Hu

In this paper, we establish a baseline for object symmetry detection in complex backgrounds by presenting a new benchmark and an end-to-end deep learning approach, opening up a promising direction for symmetry detection in the wild. The new…

Computer Vision and Pattern Recognition · Computer Science 2017-04-04 Wei Ke , Jie Chen , Jianbin Jiao , Guoying Zhao , Qixiang Ye