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A common problem in the 4D reconstruction of people from multi-view video is the quality of the captured dynamic texture appearance which depends on both the camera resolution and capture volume. Typically the requirement to frame cameras…

Computer Vision and Pattern Recognition · Computer Science 2021-09-01 Marco Pesavento , Marco Volino , Adrian Hilton

Learning approaches have shown great success in the task of super-resolving an image given a low resolution input. Video super-resolution aims for exploiting additionally the information from multiple images. Typically, the images are…

Computer Vision and Pattern Recognition · Computer Science 2017-07-04 Osama Makansi , Eddy Ilg , Thomas Brox

In this work, we present QuickSRNet, an efficient super-resolution architecture for real-time applications on mobile platforms. Super-resolution clarifies, sharpens, and upscales an image to higher resolution. Applications such as gaming…

Image and Video Processing · Electrical Eng. & Systems 2023-05-16 Guillaume Berger , Manik Dhingra , Antoine Mercier , Yashesh Savani , Sunny Panchal , Fatih Porikli

Any audio recording encapsulates the unique fingerprint of the associated acoustic environment, namely the background noise and reverberation. Considering the scenario of a room equipped with a fixed smart speaker device with one or more…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-05 Francesco Nespoli , Daniel Barreda , Patrick A. Naylor

High dynamic range (HDR) rendering has the ability to faithfully reproduce the wide luminance ranges in natural scenes, but how to accurately assess the rendering quality is relatively underexplored. Existing quality models are mostly…

Image and Video Processing · Electrical Eng. & Systems 2024-09-11 Peibei Cao , Rafal K. Mantiuk , Kede Ma

The quality of the video stream is key to neural network-based video analytics. However, low-quality video is inevitably collected by existing surveillance systems because of poor quality cameras or over-compressed/pruned video streaming…

Computer Vision and Pattern Recognition · Computer Science 2023-01-25 Tingting Yuan , Liang Mi , Weijun Wang , Haipeng Dai , Xiaoming Fu

This paper delves into the synergistic potential of adaptive video streaming over emerging 6G wireless networks, emphasizing innovative buffer control techniques and detailed analysis of user viewing behaviors. As 6G technology heralds a…

Networking and Internet Architecture · Computer Science 2025-08-05 Kevin Nassisid , Teef David , Kassi Muhammad

Extended reality technology has become a useful tool in many applications, but still suffers from visual deviations that can hamper the utility of the technology. This paper discusses the types of persisting visual deviations experienced…

Human-Computer Interaction · Computer Science 2024-10-30 Rudy De-Xin de Lange , Roemer Martin Bien Bakker , Tanja Johanna Juliana Bos

We present a new and accurate approach for gaze estimation on consumer computing devices. We take advantage of continued strides in the quality of user-facing cameras found in e.g., smartphones, laptops, and desktops - 4K or greater in…

Human-Computer Interaction · Computer Science 2026-03-23 Taejun Kim , Vimal Mollyn , Riku Arakawa , Chris Harrison

Computer vision applications, especially those using augmented reality technology, are becoming quite popular in mobile devices. However, this type of application is known as presenting significant demands regarding resources. In order to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Fabio Diniz Rossi

We identify a novel instance of the background subtraction problem that focuses on extracting near-field foreground objects captured using handheld cameras. Given two user-generated videos of a scene, one with and the other without the…

Computer Vision and Pattern Recognition · Computer Science 2014-04-23 Raffay Hamid , Atish Das Sarma , Dennis DeCoste , Neel Sundaresan

Low-latency video streaming over 5G has become rapidly popular over the last few years due to its increased usage in hosting virtual events, online education, webinars, and all-hands meetings. Our work aims to address the absence of studies…

Multimedia · Computer Science 2024-03-04 Imran Khan , Tuyen X. Tran , Matti Hiltunen , Theodore Karagioules , Dimitrios Koutsonikolas

A smartphone is a powerful learning aid in the hands of a large section of students around the world. The camera of the phone can be used for several learning purposes apart from its obvious purpose of photographing. If the focal length of…

Physics Education · Physics 2022-08-11 Soumen Sarkar , Sanjoy Kumar Pal , Surajit Chakrabarti

In this paper we introduce a proposal to provide students in labs with an alternative to the traditional visible range spectrophotometers, whose acquisition and maintenance entails high costs, based on smartphones. Our solution faced two…

Human-Computer Interaction · Computer Science 2023-12-14 Carlos Balado Sánchez , Rebeca P. Díaz Redondo , Ana Fernández Vilas , Angel M. Sánchez Bermúdez

Research on mobile phone use often starts with a question of "How much time users spend on using their phones?". The question involves an equal-length measure that captures the duration of mobile phone use but does not tackle the other…

Computers and Society · Computer Science 2017-11-28 Jonathan J. H. Zhu , Hexin Chen , Tai-Quan Peng , Xiao Fan Liu , Haixing Dai

Self-captured full-body videos are popular, but most deployments require mounted cameras, carefully-framed shots, and repeated practice. We propose a more convenient solution that enables full-body video capture using handheld mobile…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Bowei Chen , Brian Curless , Ira Kemelmacher-Shlizerman , Steven M. Seitz

The sophisticated sense of touch of the human hand significantly contributes to our ability to safely, efficiently, and dexterously manipulate arbitrary objects in our environment. Robotic and prosthetic devices lack refined, tactile…

Robotics · Computer Science 2021-08-02 Xiaying Wang , Fabian Geiger , Vlad Niculescu , Michele Magno , Luca Benini

This paper uses a crowdsourced dataset of online video streaming sessions to investigate opportunities to reduce the power consumption while considering QoE. For this, we base our work on prior studies which model both the end-user's QoE…

Image and Video Processing · Electrical Eng. & Systems 2023-05-25 Christian Herglotz , Werner Robitza , Alexander Raake , Tobias Hossfeld , André Kaup

One of the main limitations for the resolution of optical instruments is the size of the sensor's pixels. In this paper we introduce a new sub pixel resolution algorithm to enhance the resolution of images. This method is based on the…

Instrumentation and Detectors · Physics 2012-11-12 Siamak Khademi , Ahmad Darudi , Zahra Abbasi

Previous work established fundamental bounds on subwavelength resolution for the radar range resolution problem, called superradar [Phys. Rev. Appl. 20, 064046 (2023)]. In this work, we identify the optimal waveforms for distinguishing the…

Signal Processing · Electrical Eng. & Systems 2025-02-14 Andrew N. Jordan , John C. Howell , Achim Kempf , Shunxing Zhang , Derek White