English
Related papers

Related papers: Identification of Metallic Objects using Spectral …

200 papers

Point machines (PMs) are used for switching and locking railway turnouts, and are considered one of the most critical elements of a railway signal system. The failure of the point mechanism directly affects the operation of the railway and…

Signal Processing · Electrical Eng. & Systems 2018-09-10 Chong Bian , Shunkun Yang , Tingting Huang , Qingyang Xu , Jie Liu , Enrico Zio

The comparison of vibrational transition frequencies of $\mathrm{H}_2^+$ and $\overline{\mathrm{H}}_2^-$ offers a new opportunity to test CPT invariance. Myers [Phys. Rev. A 98, 010101(R) (2018)] proposed performing laser spectroscopy in a…

Surface quality inspection of optical components is critical in optical and electronic industries. Structured-Light Modulation Analysis Technique (SMAT) is a novel method recently proposed for the contaminant and defect detection of…

Optics · Physics 2020-05-11 Yiyang Huang , Huimin Yue , Yuyao Fang , Yiping Song , Yong Liu

Discriminative features are crucial for several learning applications, such as object detection and classification. Neural networks are extensively used for extracting discriminative features of images and speech signals. However, the lack…

Machine Learning · Computer Science 2022-01-11 Priyadarshini K , Subhasis Chaudhuri

We propose an extension to the so-called PD detector. The PD detector jointly monitors received power and correlation profile distortion to detect the presence of GNSS carry-off-type spoofing, jamming, or multipath. We show that…

Signal Processing · Electrical Eng. & Systems 2018-06-21 Jason N. Gross , Cagri Kilic , Todd E. Humphreys

A well-trained model should classify objects with a unanimous score for every category. This requires the high-level semantic features should be as much alike as possible among samples. To achive this, previous works focus on re-designing…

Computer Vision and Pattern Recognition · Computer Science 2019-03-29 Hongyang Li , Bo Dai , Shaoshuai Shi , Wanli Ouyang , Xiaogang Wang

We present the development and performance of an optically detected magnetic resonance (ODMR) spectrometer. The spectrometer represents advances over similar instruments in three areas: i) the exciting light is a tunable laser source which…

Instrumentation and Detectors · Physics 2017-02-07 M. Negyedi , J. Palotás , B. Gyüre , S. Dzsaber , S. Kollarics , P. Rohringer , T. Pichler , F. Simon

The current paradigm in privacy protection in street-view images is to detect and blur sensitive information. In this paper, we propose a framework that is an alternative to blurring, which automatically removes and inpaints moving objects…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Ries Uittenbogaard , Clint Sebastian , Julien Vijverberg , Bas Boom , Dariu M. Gavrila , Peter H. N. de With

The ability to resolve the polarization of light with on-chip devices represents an urgent problem in optoelectronics. The detectors with polarization resolution demonstrated so far mostly require multiple oriented detectors or movable…

Mesoscale and Nanoscale Physics · Physics 2022-05-19 Valentin Semkin , Dmitry Mylnikov , Elena Titova , Sergey Zhukov , Dmitry Svintsov

Photomultiplier tube (PMT) voltage waveforms are the raw data of many neutrino and dark matter experiments. Waveform analysis is the cornerstone of data processing. We evaluate the performance of all the waveform analysis algorithms known…

Instrumentation and Detectors · Physics 2022-07-04 Dacheng Xu , Benda Xu , Erjin Bao , Yiyang Wu , Aiqiang Zhang , Yuyi Wang , Geliang Zhang , Yu Xu , Ziyi Guo , Jihui Pei , Hanyang Mao , Jiashuo Liu , Zhe Wang , Shaomin Chen

The answers to many unsolved problems lie in the intractable chemical space of molecules and materials. Machine learning techniques are rapidly growing in popularity as a way to compress and explore chemical space efficiently. One of the…

Chemical Physics · Physics 2020-01-06 John E. Herr , Kevin Koh , Kun Yao , John Parkhill

The increasing ubiquity of smartphones and resurgence of VR/AR techniques, it is expected that our everyday environment may soon be decorating with objects connecting with virtual elements. Alerting to the presence of these objects is…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Liming Xu , Dave Towey , Andrew P. French , Steve Benford

We introduce a solid material that is itself invisible, possessing identical electromagnetic properties as air (i.e. not a cloak) at a desired frequency. Such a material could provide improved mechanical stability, electrical conduction and…

Optics · Physics 2016-02-17 Dexin Ye , Ling Lu , John D. Joannopoulos , Marin Soljačić , Lixin Ran

Document Presentation Attack Detection (DPAD) is an important measure in protecting the authenticity of a document image. However, recent DPAD methods demand additional resources, such as manual effort in collecting additional data or…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Changsheng Chen , Yongyi Deng , Liangwei Lin , Zitong Yu , Zhimao Lai

Recognizing and localizing objects in the 3D space is a crucial ability for an AI agent to perceive its surrounding environment. While significant progress has been achieved with expensive LiDAR point clouds, it poses a great challenge for…

Computer Vision and Pattern Recognition · Computer Science 2021-08-16 Li Wang , Li Zhang , Yi Zhu , Zhi Zhang , Tong He , Mu Li , Xiangyang Xue

Complex and interesting electromagnetic behavior can be found in spaces with non-flat topology. When considering the properties of an electromagnetic medium under an arbitrary coordinate transformation an alternative interpretation presents…

Optics · Physics 2009-11-13 D. Schurig , J. B. Pendry , D. R. Smith

Phonon-mediated particle detectors based on single crystals and operated at millikelvin temperatures are used in rare-event experiments for neutrino physics and dark-matter searches. In general, these devices are not sensitive to the…

This paper presents a data processing pipeline designed to extract information from the hyperspectral signature of unknown space objects. The methodology proposed in this paper determines the material composition of space objects from…

Instrumentation and Methods for Astrophysics · Physics 2024-01-30 Massimiliano Vasile , Lewis Walker , Andrew Campbell , Simao Marto , Paul Murray , Stephen Marshall , Vasili Savitski

Accurate orientation estimation of objects can aid in scene understanding in many applications. In this paper, we consider use cases where passive tags could be deployed to assist radar systems in estimating object orientation. Towards that…

Signal Processing · Electrical Eng. & Systems 2025-09-09 Onel L. A. López , Zhu Han , Ashutosh Sabharwal

Object detection can localize and identify objects in images, and it is extensively employed in critical multimedia applications such as security surveillance and autonomous driving. Despite the success of existing object detection models,…

Cryptography and Security · Computer Science 2024-07-24 Youqian Zhang , Chunxi Yang , Eugene Y. Fu , Qinhong Jiang , Chen Yan , Sze-Yiu Chau , Grace Ngai , Hong-Va Leong , Xiapu Luo , Wenyuan Xu
‹ Prev 1 4 5 6 7 8 10 Next ›