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Gaze-tracking is a novel way of interacting with computers which allows new scenarios, such as enabling people with motor-neuron disabilities to control their computers or doctors to interact with patient information without touching screen…

Artificial Intelligence · Computer Science 2020-10-13 Jatin Sharma , Jon Campbell , Pete Ansell , Jay Beavers , Christopher O'Dowd

Integrating conventional optics into compact nanostructured surfaces is the goal of flat optics. Despite the enormous progress of this technology, there are still critical challenges for real world applications due to a limited efficiency…

Latent diffusion models such as Stable Diffusion 1.5 offer strong generative priors that are highly valuable for image restoration, yet their full pipelines remain too computationally heavy for deployment on edge devices. Existing…

Edge detection is typically viewed as a pixel-level classification problem mainly addressed by discriminative methods. Recently, generative edge detection methods, especially diffusion model based solutions, are initialized in the edge…

Computer Vision and Pattern Recognition · Computer Science 2024-10-07 Caixia Zhou , Yaping Huang , Mochu Xiang , Jiahui Ren , Haibin Ling , Jing Zhang

Augmented reality (AR) has the potential to revolutionize the way in which information is presented by overlaying virtual information onto a person's direct view of their real-time surroundings. By placing the display on the surface of the…

A self-driving perception model aims to extract 3D semantic representations from multiple cameras collectively into the bird's-eye-view (BEV) coordinate frame of the ego car in order to ground downstream planner. Existing perception methods…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Jiachen Lu , Zheyuan Zhou , Xiatian Zhu , Hang Xu , Li Zhang

An experimental evidence of subwavelength imaging with a "lens", which is a uniaxial negative permittivity wire medium slab, is reported. The slab is formed by gratings of long thin parallel conducting cylinders. Taking into account the…

Explicit filters play a pivotal role in the scale separation and numerical stability of advanced Large Eddy Simulation (LES) closures, such as dynamic eddy-viscosity or Approximate Deconvolution (AD) methods. In the present study, it is…

Fluid Dynamics · Physics 2026-02-25 Mohammad Bagher Molaei , Ehsan Amani , Morteza Ghorbani

Bird's-eye-view (BEV) representation is crucial for the perception function in autonomous driving tasks. It is difficult to balance the accuracy, efficiency and range of BEV representation. The existing works are restricted to a limited…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Hang Wu , Zhenghao Zhang , Siyuan Lin , Tong Qin , Jin Pan , Qiang Zhao , Chunjing Xu , Ming Yang

Eye tracking has become an essential human-machine interaction modality for providing immersive experience in numerous virtual and augmented reality (VR/AR) applications desiring high throughput (e.g., 240 FPS), small-form, and enhanced…

We report that metamaterial-inspired one-dimensional gratings (or metagratings) can be used to control nonpropagating diffraction orders as well as propagating ones. By accurate engineering of the near field, it becomes possible to satisfy…

Applied Physics · Physics 2019-03-06 Vladislav Popov , Fabrice Boust , Shah Nawaz Burokur

The space in front of a projector or camera can be folded into a light-guide by total-internal reflection if the guide is tapered like a wedge. This article explains how to calculate both flat and curved wedges by scaling a thin version…

Optics · Physics 2025-12-09 Adrian Travis

Radar plays a crucial role in automotive safety by enabling reliable object detection, thereby assisting drivers and, prospectively, serving as one of the primary sensors in autonomous driving. The radar visibility of a road participant…

Emerging mobile virtual reality (VR) systems will require to continuously perform complex computer vision tasks on ultra-high-resolution video frames through the execution of deep neural networks (DNNs)-based algorithms. Since…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Khandaker Foysal Haque , Francesca Meneghello , Md. Ebtidaul Karim , Francesco Restuccia

Radiance fields have revolutionized photo-realistic 3D scene visualization by enabling high-fidelity reconstruction of complex environments, making them an ideal match for light field displays. However, integrating these technologies…

Light guide plates are essential optical components widely used in a diverse range of applications ranging from medical lighting fixtures to back-lit TV displays. An essential step in the manufacturing of light guide plates is the quality…

Image and Video Processing · Electrical Eng. & Systems 2022-04-26 Carol Xu , Mahmoud Famouri , Gautam Bathla , Mohammad Javad Shafiee , Alexander Wong

The WIYN 3.5m Telescope at Kitt Peak National Observatory hosts a suite of optical and near infrared instruments, including an extreme precision, optical spectrograph, NEID, built for exoplanet radial velocity studies. In order to achieve…

Instrumentation and Methods for Astrophysics · Physics 2024-11-07 Jackson Zariski , Kaitlin Kratter , Sarah Logsdon , Chad Bender , Dan Li , Heidi Schweiker , Jayadev Rajagopal , Bill McBride , Emily Hunting

Conventional optical lenses have been used to focus light from outside without disturbing the medium. The focused spot size is proportional to the focal distance in a conventional lens, resulting in a tradeoff between depth of penetration…

Gaze estimation is the fundamental basis for many visual tasks. Yet, the high cost of acquiring gaze datasets with 3D annotations hinders the optimization and application of gaze estimation models. In this work, we propose a novel Head-Eye…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Pengwei Yin , Jiawu Dai , Jingjing Wang , Di Xie , Shiliang Pu

Sampling discrepancies between different manufacturers and models of lidar sensors result in inconsistent representations of objects. This leads to performance degradation when 3D detectors trained for one lidar are tested on other types of…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Darren Tsai , Julie Stephany Berrio , Mao Shan , Stewart Worrall , Eduardo Nebot
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