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Partial polarization is the manifestation of the correlation between two mutually orthogonal transverse field components associated with a light beam. We show both theoretically and experimentally that the origin of this correlation can be…

Surface plasmon polaritons have attracted varies of interests due to its special properties, especially in the polarization-controlled devices. Typically, the polarization-controlled devices include directional coupling, focusing lens and…

Optics · Physics 2018-07-30 Hailong Zhou , Jinran Qie , Jianji Dong , Xinliang Zhang

Deep-learning-based face recognition (FR) systems are susceptible to adversarial examples in both digital and physical domains. Physical attacks present a greater threat to deployed systems as adversaries can easily access the input…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Ning Jiang , Yanhong Liu , Dingheng Zeng , Yue Feng , Weihong Deng , Ying Li

Polarization is a basic property of light and is fundamentally linked to the internal geometry of a source of radiation. Polarimetry complements photometric, spectroscopic, and imaging analyses of sources of radiation and has made possible…

Instrumentation and Methods for Astrophysics · Physics 2017-01-18 S. Trippe

Mainstream vision-language models (VLMs) fundamentally struggle with severe optical ambiguities, such as reflections and transparent objects, due to the inherent limitations of standard RGB inputs. While polarization imaging captures…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yuliang Li , Chu Zhou , Heng Guo , Boxin Shi , Imari Sato , Zhanyu Ma

This paper focuses on a new problem of estimating human pose and shape from single polarization images. Polarization camera is known to be able to capture the polarization of reflected lights that preserves rich geometric cues of an object…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Shihao Zou , Xinxin Zuo , Sen Wang , Yiming Qian , Chuan Guo , Li Cheng

Color tuning is a fascinating and indispensable property in applications such as advanced display, active camouflaging and information encryption. Thus far, a variety of reconfigurable approaches have been implemented to achieve color…

Polarization is a fundamental property of light that carries distinct and valuable information. Consequently, its precise measurement is crucial for numerous applications, including biomedical imaging, remote sensing, and optical…

Propagation of light through a thin flat metallic screen containing a hole of twisted shape is sensitive to whether the incident wave is left or right circularly polarized. The transmitted light accrues a component with handedness opposite…

Materials Science · Physics 2007-05-23 A. V. Krasavin , A. S. Schwanecke , M. Reichelt , T. Stroucken , S. W. Koch , E. M. Wright , N. I. Zheludev

The use of deep learning for human identification and object detection is becoming ever more prevalent in the surveillance industry. These systems have been trained to identify human body's or faces with a high degree of accuracy. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 Morgan Frearson , Kien Nguyen

Face anti-spoofing is the key to preventing security breaches in biometric recognition applications. Existing software-based and hardware-based face liveness detection methods are effective in constrained environments or designated datasets…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Yu Tian , Kunbo Zhang , Leyuan Wang , Zhenan Sun

2D face recognition has been proven insecure for physical adversarial attacks. However, few studies have investigated the possibility of attacking real-world 3D face recognition systems. 3D-printed attacks recently proposed cannot generate…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Yanjie Li , Yiquan Li , Xuelong Dai , Songtao Guo , Bin Xiao

We present a scheme for remotely addressing single nano-objects by means of near-field optical microscopy that makes only use of one of the most fundamental properties of electromagnetic radiation: its polarization. A medium containing…

Optics · Physics 2007-05-23 M. Brun , A. Drezet , H. Mariette , J. C. Woehl , S. Huant

In laser gravitational waves detectors optical loss restricts sensitivity. We discuss polarization scattering as one more possible mechanism of optical losses. Circulated inside interferometer light is polarized and after reflection its…

Instrumentation and Methods for Astrophysics · Physics 2020-02-20 Sergey P. Vyatchanin

This paper presents a learning-based method for transparent surface estimation from a single view polarization image. Existing shape from polarization(SfP) methods have the difficulty in estimating transparent shape since the inherent…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Mingqi Shao , Chongkun Xia , Zhendong Yang , Junnan Huang , Xueqian Wang

Car detection is an important task that serves as a crucial prerequisite for many automated driving functions. The large variations in lighting/weather conditions and vehicle densities of the scenes pose significant challenges to existing…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Wen Dong , Haiyang Mei , Ziqi Wei , Ao Jin , Sen Qiu , Qiang Zhang , Xin Yang

Holography is a cornerstone characterisation and imaging technique that can be applied to the full electromagnetic spectrum, from X-rays to radio waves or even particles such as neutrons. The key property in all these holographic approaches…

Quantum Physics · Physics 2021-01-12 Hugo Defienne , Bienvenu Ndagano , Ashley Lyons , Daniele Faccio

Polarization control and switchability are among the most unique features of "metasurfaces" as compared with diffractive optics technologies of the past. Here, we review how the polarization control afforded by the advent of present-day…

Optics · Physics 2025-05-21 Noah A. Rubin , Yeshaiahu Fainman

Manipulating the polarization of light is highly desired for versatile applications ranging from super resolution, optical trapping, to particle acceleration. The enormous freedom in metasurface design motivates the implementation of…

We show that the polarization state of coherent light propagating through an optically thick multiple-scattering medium, can be controlled by wavefront shaping, i.e. by controlling only the spatial phase of the incoming field with a spatial…

Optics · Physics 2015-06-05 Yefeng Guan , Ori Katz , Eran Small , Jianying Zhou , Yaron Silberberg