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High-order optical vortices are inherently unstable, as they tend to split up under perturbation to a series of vortices with unity charge. Control over the perturbation opens up a new degree of freedom to control and tune their location in…

Optics · Physics 2017-06-05 Evgeny Ostrovsky , Kobi Cohen , Bergin Gjonaj , Guy Bartal

Fault tolerance in multi-core architecture has attracted attention of research community for the past 20 years. Rapid improvements in the CMOS technology resulted in exponential growth of transistor density. It resulted in increased…

Hardware Architecture · Computer Science 2022-01-03 Shashikiran Venkatesha , Ranjani Parthasarathi

In this paper, through considering lightweight cryptography, we present a comparative realization of MDS matrices used in the VLSI implementations of lightweight cryptography. We verify the MixColumn/MixNibble transformation using MDS…

Cryptography and Security · Computer Science 2018-04-19 Anita Aghaie , Mehran Mozaffari Kermani , Reza Azarderakhsh

Laser cutting of semiconductor wafers and transparent dielectrics has become a dominant process in manufacturing industries, encompassing a wide range of applications from flat display panels to microelectronic chips. Limited by the…

We introduce a novel framework that incorporates multiple scattering for large-scale 3D particle-localization using single-shot in-line holography. Traditional holographic techniques rely on single-scattering models which become inaccurate…

Signal Processing · Electrical Eng. & Systems 2019-06-19 Waleed Tahir , Ulugbek S. Kamilov , Lei Tian

In recent years, there has been a growing interest in accelerated materials innovation in the context of the process-structure-property chain. In this regard, it is essential to take into account manufacturing processes and tailor materials…

Materials Science · Physics 2024-11-12 Lukas Morand , Tarek Iraki , Johannes Dornheim , Stefan Sandfeld , Norbert Link , Dirk Helm

Limited by the cost and complexity, superresolution lithography is hard to achieve through the traditional interference lithography. We here developed the plasmonic interference lithography technique by using a hyperbolic metamaterials…

Pixel vertex detectors are THE instrument of choice for the tracking of charged particles close to the interaction point at the LHC. Hybrid pixel detectors, in which sensor and read-out IC are separate entities, constitute the present state…

Instrumentation and Detectors · Physics 2009-09-29 Norbert Wermes

The growing need for creating surfaces with specific wetting properties, such as superhyrdophobic behavior, asks for novel methods for their efficient design. In this work, a fast computational method for the evaluation of patterned…

Applied Physics · Physics 2019-01-31 V. Krokos , G. Pashos , A. N. Spyropoulos , G. Kokkoris , A. G. Papathanasiou , A. G. Boudouvis

In the pursuit of sustainable manufacturing, ultra-short pulse laser micromachining stands out as a promising solution while also offering high-precision and qualitative laser processing. However, unlocking the full potential of ultra-short…

Signal Processing · Electrical Eng. & Systems 2025-12-03 Luis Correas-Naranjo , Miguel Camacho-Sánchez , Laëtitia Launet , Milena Zuric , Valery Naranjo

We evaluate the performances of a 100 um-thick silicon strip detector (SSD) with a 300 MeV proton beam and a 90Sr beta-ray source. Signals from the SSD have been read out using a VLSI chip. Common-mode noise, signal separation efficiency…

Instrumentation and Detectors · Physics 2007-05-23 T. Hotta , M. Fujiwara , T. Kinashi , Y. Kuno , M. Kuss , T. Matsumura , T. Nakano , S. Sekikawa , H. Tajima

Recent works have demonstrated the importance of object completion in 3D Perception from Lidar signal. Several methods have been proposed in which modules were used to densify the point clouds produced by laser scanners, leading to better…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Tianran Liu , Zeping Zhang , Morteza Mousa Pasandi , Robert Laganiere

Hypergraph partitioning is an important problem in machine learning, computer vision and network analytics. A widely used method for hypergraph partitioning relies on minimizing a normalized sum of the costs of partitioning hyperedges…

Machine Learning · Computer Science 2017-11-06 Pan Li , Olgica Milenkovic

Two types of optical metamaterials operating at near-IR and mid-IR frequencies, respectively, have been designed, fabricated by nanoimprint lithography (NIL), and characterized by laser spectroscopic ellipsometry. The structure for the…

Materials Science · Physics 2015-06-25 W. Wu , E. Kim , E. Ponizovskaya , Y. Liu , Z. Yu , N. Fang , Y. R. Shen , A. M. Bratkovsky , W. Tong , C. Sun , X. Zhang , S. -Y. Wang , R. S. Williams

In many advanced network analysis applications, like social networks, e-commerce, and network security, hotspots are generally considered as a group of vertices that are tightly connected owing to the similar characteristics, such as common…

Data Structures and Algorithms · Computer Science 2019-11-27 Mingtao Lei , Xi Zhang , Lingyang Chu , Zhefeng Wang , Philip S. Yu , Binxing Fang

A growing body of work studies Blindspot Discovery Methods ("BDM"s): methods that use an image embedding to find semantically meaningful (i.e., united by a human-understandable concept) subsets of the data where an image classifier performs…

Machine Learning · Computer Science 2023-07-13 Gregory Plumb , Nari Johnson , Ángel Alexander Cabrera , Ameet Talwalkar

In garment manufacturing, an automatic sewing machine is desirable to reduce cost. To accomplish this, a high speed vision system is required to track fabric motions and recognize repetitive weave patterns with high accuracy, from a micro…

Image and Video Processing · Electrical Eng. & Systems 2018-12-12 Yuting Hu , Zhiling Long , Ghassan AlRegib

Overlay measurements are a critical part of modern semiconductor fabrication, but overlay targets have not scaled down in the way devices have. In this work, we produce overlay targets with very small footprint, consisting of just a few…

The main challenge in 3D object detection from LiDAR point clouds is achieving real-time performance without affecting the reliability of the network. In other words, the detecting network must be confident enough about its predictions. In…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Youshaa Murhij , Alexander Golodkov , Dmitry Yudin

Line segment detection plays a cornerstone role in computer vision tasks. Among numerous detection methods that have been recently proposed, the ones based on edge drawing attract increasing attention owing to their excellent detection…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Xinyu Lin , Yingjie Zhou , Yipeng Liu , Ce Zhu