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Image distortion classification and detection is an important task in many applications. For example when compressing images, if we know the exact location of the distortion, then it is possible to re-compress images by adjusting the local…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Namhyuk Ahn , Byungkon Kang , Kyung-Ah Sohn

High dynamic range (HDR) imaging is an important task in image processing that aims to generate well-exposed images in scenes with varying illumination. Although existing multi-exposure fusion methods have achieved impressive results,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Jun Xiao , Qian Ye , Tianshan Liu , Cong Zhang , Kin-Man Lam

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…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Sanjeet Vardam , Luuk Spreeuwers

Semantic face image manipulation has received increasing attention in recent years. StyleGAN-based approaches to face morphing are among the leading techniques; however, they often suffer from noticeable blurring and artifacts as a result…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Na Zhang , Xudong Liu , Xin Li , Guo-Jun Qi

The explosive growth of digital images and the widespread availability of image editing tools have made image manipulation detection an increasingly critical challenge. Current deep learning-based manipulation detection methods excel in…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Ziyong Wang , Charith Abhayaratne

Although existing face anti-spoofing (FAS) methods achieve high accuracy in intra-domain experiments, their effects drop severely in cross-domain scenarios because of poor generalization. Recently, multifarious techniques have been…

Computer Vision and Pattern Recognition · Computer Science 2022-01-03 Shice Liu , Shitao Lu , Hongyi Xu , Jing Yang , Shouhong Ding , Lizhuang Ma

Deformable image registration can obtain dynamic information about images, which is of great significance in medical image analysis. The unsupervised deep learning registration method can quickly achieve high registration accuracy without…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Xiao Fan , Shuxin Zhuang , Zhemin Zhuang , Ye Yuan , Shunmin Qiu , Alex Noel Joseph Raj , Yibiao Rong

Recent advances in AI technology have made the forgery of digital images and videos easier, and it has become significantly more difficult to identify such forgeries. These forgeries, if disseminated with malicious intent, can negatively…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Chia-Mu Yu , Ching-Tang Chang , Yen-Wu Ti

In this work, we introduce a Denser Feature Network (DenserNet) for visual localization. Our work provides three principal contributions. First, we develop a convolutional neural network (CNN) architecture which aggregates feature maps at…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Dongfang Liu , Yiming Cui , Liqi Yan , Christos Mousas , Baijian Yang , Yingjie Chen

In this paper, we propose a novel object detection framework named "Deep Regionlets" by establishing a bridge between deep neural networks and conventional detection schema for accurate generic object detection. Motivated by the abilities…

Computer Vision and Pattern Recognition · Computer Science 2018-08-24 Hongyu Xu , Xutao Lv , Xiaoyu Wang , Zhou Ren , Navaneeth Bodla , Rama Chellappa

Currently, many face forgery detection methods aggregate spatial and frequency features to enhance the generalization ability and gain promising performance under the cross-dataset scenario. However, these methods only leverage one level…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Jie Liu , Jingjing Wang , Peng Zhang , Chunmao Wang , Di Xie , Shiliang Pu

In response to the global COVID-19 pandemic, there has been a critical demand for protective measures, with face masks emerging as a primary safeguard. The approach involves a two-fold strategy: first, recognizing the presence of a face by…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 R. Chinnaiyan , Iyyappan M , Al Raiyan Shariff A , Kondaveeti Sai , Mallikarjunaiah B M , P Bharath

Deep neural networks (DNNs) trained on large-scale datasets have recently achieved impressive improvements in face recognition. But a persistent challenge remains to develop methods capable of handling large pose variations that are…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Xi Peng , Xiang Yu , Kihyuk Sohn , Dimitris Metaxas , Manmohan Chandraker

Compressed sensing has empowered quality image reconstruction with fewer data samples than previously though possible. These techniques rely on a sparsifying linear transformation. The Daubechies wavelet transform is a common sparsifying…

Image and Video Processing · Electrical Eng. & Systems 2021-06-17 Nicholas Dwork , Daniel O'Connor , Corey A. Baron , Ethan M. I. Johnson , Adam B. Kerr , John M. Pauly , Peder E. Z. Larson

We explore the use of deep learning to localise galactic structures in low surface brightness (LSB) images. LSB imaging reveals many interesting structures, though these are frequently confused with galactic dust contamination, due to a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Felix Richards , Adeline Paiement , Xianghua Xie , Elisabeth Sola , Pierre-Alain Duc

Blind deblurring consists a long studied task, however the outcomes of generic methods are not effective in real world blurred images. Domain-specific methods for deblurring targeted object categories, e.g. text or faces, frequently…

Computer Vision and Pattern Recognition · Computer Science 2017-05-26 Grigorios G. Chrysos , Stefanos Zafeiriou

Face recognition systems (FRS) can be compromised by face morphing attacks, which blend textural and geometric information from multiple facial images. The rapid evolution of generative AI, especially Generative Adversarial Networks (GAN)…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Aravinda Reddy PN , Raghavendra Ramachandra , Sushma Venkatesh , Krothapalli Sreenivasa Rao , Pabitra Mitra , Rakesh Krishna

Face morphing attacks can compromise Face Recognition System (FRS) by exploiting their vulnerability. Face Morphing Attack Detection (MAD) techniques have been developed in recent past to deter such attacks and mitigate risks from morphing…

Computer Vision and Pattern Recognition · Computer Science 2021-11-25 Raghavendra Ramachandra , Kiran Raja , Christoph Busch

In this paper, we consider voxel selection for functional Magnetic Resonance Imaging (fMRI) brain data with the aim of finding a more complete set of probably correlated discriminative voxels, thus improving interpretation of the discovered…

Computer Vision and Pattern Recognition · Computer Science 2015-06-09 Yilun Wang , Junjie Zheng , Sheng Zhang , Xujun Duan , Huafu Chen

Deep neural networks (DNNs) have achieved remarkable success in radio frequency (RF) fingerprinting for wireless device authentication. However, their practical deployment faces two major limitations: domain shift, where models trained in…

Cryptography and Security · Computer Science 2026-02-04 Tianya Zhao , Junqing Zhang , Haowen Xu , Xiaoyan Sun , Jun Dai , Xuyu Wang
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