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We proposed and experimentally demonstrated a new hybrid code structure based on the overlapping of two light sources to produce the effect of multi-voltage amplitudes. And we also proposed an efficient polarity reversal threshold (RRT)…

Image and Video Processing · Electrical Eng. & Systems 2022-01-19 Zihao Zhou , Maolin Li , Weipeng Guan

Semantic occupancy prediction enables dense 3D geometric and semantic understanding for autonomous driving. However, existing camera-based approaches implicitly assume complete surround-view observations, an assumption that rarely holds in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Kaixin Lin , Kunyu Peng , Di Wen , Yufan Chen , Ruiping Liu , Kailun Yang

Odor-based Molecular Communication (OMC) employs odor molecules to convey information, contributing to the realization of the Internet of Everything (IoE) vision. Despite this, the practical deployment of OMC systems is currently limited by…

Signal Processing · Electrical Eng. & Systems 2026-02-03 Ahmet B. Kilic , Fatih E. Bilgen , Ozgur B. Akan

Passive Time-of-Flight (ToF) imaging can be enabled by optical wireless communication (OWC). The lighting infrastructure is the backbone of emerging light-based wireless communication. To this end, communication sources are used as…

Signal Processing · Electrical Eng. & Systems 2023-07-18 Faisal Ahmed , Miguel Heredia Conde , Paula López Martínez

Prevalent Computational Aberration Correction (CAC) methods are typically tailored to specific optical systems, leading to poor generalization and labor-intensive re-training for new lenses. Developing CAC paradigms capable of generalizing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Xiaolong Qian , Qi Jiang , Yao Gao , Lei Sun , Zhonghua Yi , Kailun Yang , Luc Van Gool , Kaiwei Wang

In this paper, we present the results of rigorous electromagnetic broadband simulations applied to CMOS image sensors as well as experimental measurements. We firstly compare the results of 1D, 2D, and 3D broadband simulations in the…

Optics · Physics 2023-10-17 A. Crocherie , Jérôme Vaillant , F. Hirigoyen

Correcting the optical aberrations and the manufacturing deviations of cameras is a challenging task. Due to the limitation on volume and the demand for mass production, existing mobile terminals cannot rectify optical degradation. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Shiqi Chen , Ting Lin , Huajun Feng , Zhihai Xu , Qi Li , Yueting Chen

This paper looks at the performance of an outdoor visible light (OVLC) communication system used for Internet-of-Vehicles (IoV). In the proposed system an amplify-and-forward (AF) opportunistic scheme is used to extend the range of…

Signal Processing · Electrical Eng. & Systems 2020-07-22 Ramadan Abdul-Rashid , Anas M. Salhab , Salam A. Zummo

Due to their compatibility to existing telecom technology, continuous variable (CV) weak coherent state protocols are promising candidates for a broad deployment of quantum key distribution (QKD) technology. We demonstrate how an existing…

Computational corrections of defocus and aberrations in optical coherence tomography (OCT) offers a promising approach to realize high-resolution imaging with deep imaging depth, but without additional high hardware costs. However, these…

Optics · Physics 2025-10-28 Shuichi Makita , Naoki Fukutake , Lida Zhu , Yoshiaki Yasuno

Low-light optical imaging refers to the use of cameras to capture images with minimal photon flux. This area has broad application to diverse fields, including optical microscopy for biological studies. In such studies, it is important to…

Commercial OCR packages work best with high-quality scanned images. They often produce poor results when the image is degraded, either because the original itself was poor quality, or because of excessive photocopying. The ability to…

Digital Libraries · Computer Science 2007-05-23 Roger T. Hartley , Kathleen Crumpton

This paper introduces an open-source benchmark for evaluating Vision-Language Models (VLMs) on Optical Character Recognition (OCR) tasks in dynamic video environments. We present a curated dataset containing 1,477 manually annotated frames…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Sankalp Nagaonkar , Augustya Sharma , Ashish Choithani , Ashutosh Trivedi

Color constancy aims to keep object colors consistent under varying illumination. Cross-camera generalization in color constancy remains challenging because learning-based models often overfit to the color response characteristics of the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Shuwei Li , Lei Tan , Robby T. Tan

High solar Photovoltaic (PV) penetration on distribution systems can cause over-voltage problems. To this end, an Optimal Tap Control (OTC) method is proposed to regulate On-Load Tap Changers (OLTCs) by minimizing the maximum deviation of…

Systems and Control · Computer Science 2018-04-18 Changfu Li , Vahid R. Disfani , Zachary K. Pecenak , Saeed Mohajeryami , Jan Kleissl

Optical tactile sensors are extensively utilized in intelligent robot manipulation due to their ability to acquire high-resolution tactile information at a lower cost. However, achieving adequate reality and versatility in simulating…

Robotics · Computer Science 2024-05-07 Zirong Shen , Yuhao Sun , Shixin Zhang , Zixi Chen , Heyi Sun , Fuchun Sun , Bin Fang

We present OpenICS, an image compressive sensing toolbox that includes multiple image compressive sensing and reconstruction algorithms proposed in the past decade. Due to the lack of standardization in the implementation and evaluation of…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Jonathan Zhao , Matthew Westerham , Mark Lakatos-Toth , Zhikang Zhang , Avi Moskoff , Fengbo Ren

The measurement rate of cameras that take spatially multiplexed measurements by using spatial light modulators (SLM) is often limited by the switching speed of the SLMs. This is especially true for single-pixel cameras where the…

Computer Vision and Pattern Recognition · Computer Science 2015-03-17 Jian Wang , Mohit Gupta , Aswin C. Sankaranarayanan

A systematic method for simulating small-scale quantum circuits by use of linear optical devices is presented. It relies on the representation of several quantum bits by a single photon, and on the implementation of universal quantum gates…

Quantum Physics · Physics 2009-10-30 N. J. Cerf , C. Adami , P. G. Kwiat

Clinical tracking systems are popular but typically require specific tracking markers. During the last years, scanning speed of optical coherence tomography (OCT) has increased to A-scan rates above 1 MHz allowing to acquire volume scans of…

Medical Physics · Physics 2019-01-15 Matthias Schlüter , Christoph Otte , Thore Saathoff , Nils Gessert , Alexander Schlaefer