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3D fluorescence microscopy of living organisms has increasingly become an essential and powerful tool in biomedical research and diagnosis. An exploding amount of imaging data has been collected, whereas efficient and effective…

Image and Video Processing · Electrical Eng. & Systems 2019-11-28 Yang Jiao , Mo Weng , Mei Yang

We present a technique for dynamically projecting 3D content onto human hands with short perceived motion-to-photon latency. Computing the pose and shape of human hands accurately and quickly is a challenging task due to their articulated…

Graphics · Computer Science 2024-09-09 Yotam Erel , Or Kozlovsky-Mordenfeld , Daisuke Iwai , Kosuke Sato , Amit H. Bermano

LiDAR sensors are essential for autonomous systems, yet LiDAR fiducial markers (LFMs) lag behind visual fiducial markers (VFMs) in adoption and utility. Bridging this gap is vital for robotics and computer vision but challenging due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Yibo Liu

The efficient interaction of light with quantum emitters is crucial to most applications in nano and quantum photonics, such as sensing or quantum information processing. Effective excitation and photon extraction are particularly important…

Precise control of particle positioning is desirable in many optical propulsion and sorting applications. Here, we develop an integrated platform for particle manipulation consisting of a combined optical nanofiber and optical tweezers…

We present a conceptual design for a fiber positioning system for multi-object high-resolution spectroscopy, designed to be compatible with the upcoming large telescopes with a wide field of view. The design incorporates multiple…

Instrumentation and Methods for Astrophysics · Physics 2025-09-23 Manjunath Bestha , T. Sivarani , Arun Surya , Sudharsan Yadav , Athira Unni , Parvathy M , Devika Divakar , S. Sriram , Ajin Prakash , Amirul Hasan

Optical rotation, a form of optical activity, is a phenomenon employed in various metrological applications and industries including chemical, food, and pharmaceutical. In naturally-occurring, as well as structured media, the integrated…

Laser-based manufacturing has emerged as a promising alternative to conventional thermal and mechanical processing owing to its precision, versatility, and ability to work across diverse materials. In particular, tailoring the spatial…

This paper proposes a scientifically reasonable polarization mode dispersion (PMD) emulator (PMDE) for coherent optical fiber transmission. Guidelines are physically correct modeling of the polarization-dispersive fiber, the time-variable…

Signal Processing · Electrical Eng. & Systems 2019-03-14 Reinhold Noe , Benjamin Koch

The design of a complex phase mask (CPM) for inscribing aperiodic filters in fibers is presented. The complex structure of the mask surface relief consists of discrete aperiodic phase-steps at periodic intervals. We show that the…

Instrumentation and Methods for Astrophysics · Physics 2020-04-21 Aashia Rahman , Kalaga Madhav , Martin M. Roth

It is a crucial issue to realize real-time piston correction in the area of sparse aperture imaging. This paper introduces an optical diffractive neural network-based piston sensing method, which can achieve light-speed sensing. By using…

Optics · Physics 2023-06-30 Xiafei Ma , Zongliang Xie , Haotong Ma , Ge Ren

Mapping the intricate network of nerve fibers is crucial for understanding brain function. Three-Dimensional Polarized Light Imaging (3D-PLI) and Computational Scattered Light Imaging (ComSLI) map dense nerve fibers in brain sections with…

Medical Physics · Physics 2025-06-03 Franca auf der Heiden , Markus Axer , Katrin Amunts , Miriam Menzel

We introduce a high resolution spatially adaptive light source, or a projector, into a neural reflectance field that allows to both calibrate the projector and photo realistic light editing. The projected texture is fully differentiable…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Yotam Erel , Daisuke Iwai , Amit H. Bermano

3D-Polarized Light Imaging (3D-PLI) is a neuroimaging technique used to study the structural connectivity of the human brain at the meso- and microscale. In 3D-PLI, the complex nerve fiber architecture of the brain is characterized by 3D…

Computational Physics · Physics 2020-12-21 Felix Matuschke , Kévin Ginsburger , Cyril Poupon , Katrin Amunts , Markus Axer

We present a technique to embed information invisible to the eye inside 3D printed objects. The information is integrated in the object model, and then fabricated using off-the-shelf dual-head FDM (Fused Deposition Modeling) 3D printers.…

Human-Computer Interaction · Computer Science 2025-09-17 Weiwei Jiang , Chaofan Wang , Zhanna Sarsenbayeva , Andrew Irlitti , Jarrod Knibbe , Tilman Dingler , Jorge Goncalves , Vassilis Kostakos

Photonic components responsive to external optical stimuli are attracting increasing interest, because their properties can be manipulated by light with fast switching times, high spatial definition, and potentially remote control. These…

Applied Physics · Physics 2019-04-15 A. Szukalski , S. Uttiya , F. D'Elia , A. Portone , D. Pisignano , L. Persano , A. Camposeo

Dispersion engineering is essential to the performance of most modern optical systems including fiber-optic devices. Even though the chromatic dispersion of a meter-scale single-mode fiber used for endoscopic applications is negligible,…

Active stereo vision is important in reconstructing objects without obvious textures. However, it is still very challenging to extract and match the projected patterns from two camera views automatically and robustly. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Yongcan Shuang , Zhenzhou Wang

The paper reports on a high precision equipment designed to modify over 3-dimensions (3D) by means of high-energy gold ions the local properties of thin and thick films. A target-moving system aimed at creating patterns across the volume is…

Superconductivity · Physics 2009-11-11 A. Rovelli , A. Amato , D. Botta , A. Chiodoni , R. Gerbaldo , G. Ghigo , L. Gozzelino , F. Laviano , B. Minetti , E. Mezzetti

We present a new fiber assignment algorithm for a robotic fiber positioner system in multi-object spectroscopy. Modern fiber positioner systems typically have overlapping patrol regions, resulting in the number of observable targets being…