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Electron paramagnetic resonance (EPR) performed with a scanning tunneling microscope (STM) allows for probing the spin excitation of single atomic species with MHz energy resolution. One of the basic applications of conventional EPR is the…

Mesoscale and Nanoscale Physics · Physics 2021-11-10 Tom S. Seifert , Stepan Kovarik , Pietro Gambardella , Sebastian Stepanow

Fingerprints are widely recognized as one of the most unique and reliable characteristics of human identity. Most modern fingerprint authentication systems rely on contact-based fingerprints, which require the use of fingerprint scanners or…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 M. G. Sarwar Murshed , Syed Konain Abbas , Sandip Purnapatra , Daqing Hou , Faraz Hussain

Measurement of the optical transmission matrix (TM) of an opaque material is an advanced form of space-variant aberration correction. Beyond imaging, TM-based methods are emerging in a range of fields including optical communications,…

A significant challenge in image-guided surgery is the accurate measurement task of relevant structures such as vessel segments, resection margins, or bowel lengths. While this task is an essential component of many surgeries, it involves…

Computer Vision and Pattern Recognition · Computer Science 2023-11-17 Leopold Müller , Patrick Hemmer , Moritz Queisner , Igor Sauer , Simeon Allmendinger , Johannes Jakubik , Michael Vössing , Niklas Kühl

This paper presents a novel personal identification and verification system using information extracted from the hand shape and texture. The system has two major constituent modules: a fully automatic and robust peg free segmentation and…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 F. Sohel , A. El-Sallam , M. Bennamoun

Many edge and contour detection algorithms give a soft-value as an output and the final binary map is commonly obtained by applying an optimal threshold. In this paper, we propose a novel method to detect image contours from the extracted…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Zahra Mousavi Kouzehkanan , Reshad Hosseini , Babak Nadjar Araabi

The second harmonic method is a dynamic indentation technique independent of the direct indentation depth measurement. It can be used to determine near-surface mechanical properties of bulk materials more precisely than classical dynamic…

Materials Science · Physics 2015-02-03 G Guillonneau , G Kermouche , J Teisseire , E Barthel , S Bec , J. -L Loubet

Hard point-contact spectroscopy and scanning probe microscopy/spectroscopy are powerful techniques for investigating materials with strong expandability. To support these studies, tips with various physical and chemical properties are…

Materials Science · Physics 2021-02-01 Jiawei Zhang , Pinyuan Wang , Xuao Zhang , Haoran Ji , Jiawei Luo , He Wang , Jian Wang

Image registration is fundamental in medical imaging, enabling precise alignment of anatomical structures for diagnosis, treatment planning, image-guided interventions, and longitudinal monitoring. This work introduces IMPACT (Image Metric…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Valentin Boussot , Cédric Hémon , Jean-Claude Nunes , Jason Dowling , Simon Rouzé , Caroline Lafond , Anaïs Barateau , Jean-Louis Dillenseger

In recent years, dynamic indentation tests have been shown to be useful both in identification of mechanical properties of biological tissues (such as articular cartilage) and assessing their viability. We consider frictionless flat-ended…

Biological Physics · Physics 2015-06-04 I. Argatov , A. U. Daniels , G. Mishuris , S. Ronken , D. Wirz

In a wide range of practical problems, such as forming operations and impact tests, assuming that one of the contacting bodies is rigid is an excellent approximation to the physical phenomenon. In this work, the well-established dual mortar…

Computational Engineering, Finance, and Science · Computer Science 2022-10-07 R. Pinto Carvalho , A. M. Couto Carneiro , F. M. Andrade Pires , A. Popp

Scanning probe microscopy is one of the most versatile windows into the nanoworld, providing imaging access to a variety of sample properties, depending on the probe employed. Tunneling probes map electronic properties of samples, magnetic…

Mesoscale and Nanoscale Physics · Physics 2015-01-09 Thomas Häberle , Dominik Schmid-Lorch , Friedemann Reinhard , Jörg Wrachtrup

We develop a real-time state estimation system to recover the pose and contact formation of an object relative to its environment. In this paper, we focus on the application of inserting an object picked by a suction cup into a tight space,…

Robotics · Computer Science 2018-03-22 Kuan-Ting Yu , Alberto Rodriguez

Dermal interstitial fluid (ISF) is a rich source of biomarkers (e.g., glucose) that can be used for continuous health monitoring with wearable sensors. Hollow microneedle devices are a promising solution to extract ISF on demand by…

This paper presents a method for segmenting iris images obtained from the deceased subjects, by training a deep convolutional neural network (DCNN) designed for the purpose of semantic segmentation. Post-mortem iris recognition has recently…

Computer Vision and Pattern Recognition · Computer Science 2018-07-12 Mateusz Trokielewicz , Adam Czajka

Enabling dexterous manipulation and safe human-robot interaction, soft robots are widely used in numerous surgical applications. One of the complications associated with using soft robots in surgical applications is reconstructing their…

Robotics · Computer Science 2023-04-26 Amirhosein Alian , George Mylonas , James Avery

Electrical impedance tomography is an imaging modality for extracting information on the conductivity distribution inside a physical body from boundary measurements of current and voltage. In many practical applications, it is a priori…

Numerical Analysis · Mathematics 2014-06-06 Lauri Harhanen , Nuutti Hyvönen , Helle Majander , Stratos Staboulis

Contactless and non-invasive estimation of mechanical properties of physical media from optical observations is of interest for manifold engineering and biomedical applications, where direct physical measurements are not possible.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 A. N. Maria Antony , T. Richter , E. Gladilin

This paper is concerned with the inverse scattering problem by an unbounded rough surface. A direct imaging method is proposed to reconstruct the rough surface from the scattered near-field Cauchy data generating by point sources and…

Numerical Analysis · Mathematics 2018-05-01 Xiaoli Liu , Bo Zhang , Haiwen Zhang

Event-based visual odometry is a specific branch of visual Simultaneous Localization and Mapping (SLAM) techniques, which aims at solving tracking and mapping subproblems (typically in parallel), by exploiting the special working principles…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Junkai Niu , Sheng Zhong , Xiuyuan Lu , Shaojie Shen , Guillermo Gallego , Yi Zhou