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Streaming services serve hundreds of millions of viewers worldwide, where visual assets such as thumbnails, box art, and cover images are critical for engagement. Subtle motion blur remains a pervasive quality issue, reducing visual clarity…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Ganesh Samarth , Sibendu Paul , Solale Tabarestani , Caren Chen

Recent work has shown impressive results on data-driven defocus deblurring using the two-image views available on modern dual-pixel (DP) sensors. One significant challenge in this line of research is access to DP data. Despite many cameras…

Image and Video Processing · Electrical Eng. & Systems 2021-08-18 Abdullah Abuolaim , Mauricio Delbracio , Damien Kelly , Michael S. Brown , Peyman Milanfar

With the prevalence of location-based services (LBSs) supported by advanced positioning technology, there is a dramatic increase in the transmission of high-precision personal geographical data. Malicious use of these sensitive data will…

Cryptography and Security · Computer Science 2017-03-03 Changsha Ma , Zhisheng Yan , Chang Wen Chen

Blind video super-resolution (BVSR) is a low-level vision task which aims to generate high-resolution videos from low-resolution counterparts in unknown degradation scenarios. Existing approaches typically predict blur kernels that are…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Qiang Zhu , Yuxuan Jiang , Shuyuan Zhu , Fan Zhang , David Bull , Bing Zeng

State-of-the-art video deblurring methods are capable of removing non-uniform blur caused by unwanted camera shake and/or object motion in dynamic scenes. However, most existing methods are based on batch processing and thus need access to…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Tae Hyun Kim , Kyoung Mu Lee , Bernhard Schölkopf , Michael Hirsch

Background subtraction is a basic task in computer vision and video processing often applied as a pre-processing step for object tracking, people recognition, etc. Recently, a number of successful background-subtraction algorithms have been…

Computer Vision and Pattern Recognition · Computer Science 2020-01-15 M. Ozan Tezcan , Prakash Ishwar , Janusz Konrad

Deepfakes pose a significant threat to digital media security, with current detection methods struggling to generalize across different manipulation techniques and datasets. While recent approaches combine CNN-based architectures with…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Pavan C Shekar , Pawan Soni , Vivek Kanhangad

Recently, deep image compression has shown a big progress in terms of coding efficiency and image quality improvement. However, relatively less attention has been put on video compression using deep learning networks. In the paper, we first…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Woonsung Park , Munchurl Kim

Background subtraction is a significant component of computer vision systems. It is widely used in video surveillance, object tracking, anomaly detection, etc. A new data source for background subtraction appeared as the emergence of…

Computer Vision and Pattern Recognition · Computer Science 2019-01-18 Xueying Wang , Lei Liu , Guangli Li , Xiao Dong , Peng Zhao , Xiaobing Feng

Blind image deblurring is a particularly challenging inverse problem where the blur kernel is unknown and must be estimated en route to recover the deblurred image. The problem is of strong practical relevance since many imaging devices…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Mohammad Tofighi , Yuelong Li , Vishal Monga

In many real-world scenarios, recorded videos suffer from accidental focus blur, and while video deblurring methods exist, most specifically target motion blur or spatial-invariant blur. This paper introduces a framework optimized for the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Crispian Morris , Nantheera Anantrasirichai , Fan Zhang , David Bull

Recently, facial landmark detection algorithms have achieved remarkable performance on static images. However, these algorithms are neither accurate nor stable in motion-blurred videos. The missing of structure information makes it…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Keqiang Sun , Wayne Wu , Tinghao Liu , Shuo Yang , Quan Wang , Qiang Zhou , Zuochang Ye , Chen Qian

A quantum cryptography scheme based on entanglement between a single particle state and a vacuum state is proposed. The scheme utilizes linear optics devices to detect the superposition of the vacuum and single particle states. Existence of…

Quantum Physics · Physics 2009-11-10 Jae-Weon Lee , Eok Kyun Lee , Yong Wook Chung , Hai-Woong Lee , Jaewan Kim

Person re-identification is vital for monitoring and tracking crowd movement to enhance public security. However, re-identification in the presence of occlusion substantially reduces the performance of existing systems and is a challenging…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Prathistith Raj Medi , Ghanta Sai Krishna , Praneeth Nemani , Satyanarayana Vollala , Santosh Kumar

Recently, inference privacy has attracted increasing attention. The inference privacy concern arises most notably in the widely deployed edge-cloud video analytics systems, where the cloud needs the videos captured from the edge. The video…

Cryptography and Security · Computer Science 2023-05-26 Siping Shi , Bihai Zhang , Dan Wang

Understanding the three-dimensional motion of bubbles is essential for interpreting transport and mixing in multiphase flows, especially when bubbles deform under shear or move rapidly through the flow field. In many laboratory setups, only…

Fluid Dynamics · Physics 2026-01-30 Chaitanya S Nayak , Faizaan Mohammed , Vivek Kumar , Shivam Prajapati , Cyrus Aidun

Recent developed deep unsupervised methods allow us to jointly learn representation and cluster unlabelled data. These deep clustering methods mainly focus on the correlation among samples, e.g., selecting high precision pairs to gradually…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Jianlong Wu , Keyu Long , Fei Wang , Chen Qian , Cheng Li , Zhouchen Lin , Hongbin Zha

Motion blur is a fundamental problem in computer vision as it impacts image quality and hinders inference. Traditional deblurring algorithms leverage the physics of the image formation model and use hand-crafted priors: they usually produce…

Computer Vision and Pattern Recognition · Computer Science 2018-01-17 Huaijin Chen , Jinwei Gu , Orazio Gallo , Ming-Yu Liu , Ashok Veeraraghavan , Jan Kautz

Traditional frame-based cameras inevitably suffer from motion blur due to long exposure times. As a kind of bio-inspired camera, the event camera records the intensity changes in an asynchronous way with high temporal resolution, providing…

Computer Vision and Pattern Recognition · Computer Science 2023-01-13 Lei Sun , Christos Sakaridis , Jingyun Liang , Qi Jiang , Kailun Yang , Peng Sun , Yaozu Ye , Kaiwei Wang , Luc Van Gool

This paper proposes a visual encryption method to ensure the confidentiality of digital images. The model used is based on an autoencoder using aConvolutional Neural Network (CNN) to ensure the protection of the user data on both the sender…

Cryptography and Security · Computer Science 2025-04-02 Mahdi Madani , El-Bay Bourennane