Results 41 to 50 of about 7,550 (263)

One‐Dimensional Materials Supported in Two‐Dimensional Van der Waals Metal–Organic Frameworks with Optical Anisotropy Switching via Twist‐Engineering

Advanced Materials, EarlyView.
We introduce a molecular strategy to assemble one‐dimensional (1D) materials into two‐dimensional (2D) van der Waals metal–organic frameworks (MOFs). Crystals of [FeX(pzX)(bpy)] (X = Cl, F) form anisotropic 2D layers that can be mechanically exfoliated into thin sheets.
Eleni C. Mazarakioti, Carla Boix‐Constant, Iván Gómez‐Muñoz, Diego López‐Alcalá, Sergio Revuelta, Marco Ballabio, Vasileios Balos, José J. Baldoví, Enrique Cánovas, Josep Canet‐Ferrer, Guillermo Mínguez Espallargas, Samuel Mañas‐Valero, Eugenio Coronado   +12 more
wiley   +1 more source

Selective Augmentation to Create a Balance Dataset Based on Photometric Variation

IEEE Access
Dataset quality is an integral aspect of image object detection. Consequently, poor-quality datasets are often blamed for limiting model performance. Conventional convolutional neural network models attempt to address the model performance issue and have
Saraswathi Sivamani, Sun Il Chon, Ji Hwan Park   +2 more
doaj   +1 more source

Unambiguous Photometric Stereo Using Two Images [PDF]

, 2011
In the last years, the 3D reconstruction of surfaces which represent objects photographed by simple digital cameras has become more and more necessary to the scientific community. Through the most various mathematical and engineering methods, scientists continue to study the Shape-from-shading problem, using the photometric stereo technique which ...
Mecca, Roberto, Durou, Jean-Denis
openaire   +2 more sources

Transient Cytoskeletal Anisotropy Encodes Short‐Term Mechanical Memory in Glioblastoma Cells

Advanced Materials, EarlyView.
The same mechanical deformation can produce distinct cytoskeletal states depending on loading history. Experiments and constitutive modeling reveal that transient actin–vimentin anisotropy stores mechanical information and governs short‐term mechanical memory in glioblastoma cells.
Clara Gomez‐Cruz, Matthieu Gelin, Lucas Pradeau‐Phélut, Arrate Muñoz‐Barrutia, Sandrine Etienne‐Manneville, Daniel Garcia‐Gonzalez   +5 more
wiley   +1 more source

TRIPP: An Aperture Photometry Package for the Reduction of CCD Time Series Images

Open Astronomy, 2003
TRIPP is an aperture photometry program designed with the purpose of extracting light curves from large sets of similar CCD frames typically obtained during time-resolved photometric monitoring campaigns such as, for example, WET runs.
Schuh S. L., Dreizler S., Deetjen J. L., Göhler E.   +3 more
doaj   +1 more source

Summary study of data-driven photometric stereo methods

Virtual Reality & Intelligent Hardware, 2020
Background: A photometric stereo method aims to recover the surface normal of a 3D object observed under varying light directions. It is an ill-defined problem because the general reflectance properties of the surface are unknown.
Qian Zheng, Boxin Shi, Gang Pan
doaj   +1 more source

Improving the Robustness of Visual Teach‐and‐Repeat Navigation Using Drift Error Correction and Event‐Based Vision for Low‐Light Environments

Advanced Robotics Research, EarlyView.
Visual teach‐and‐repeat (VTR) navigation allows robots to learn and follow routes without building a full metric map. We show that navigation accuracy for VTR can be improved by integrating a topological map with error‐drift correction based on stereo vision.
Fuhai Ling, Ze Huang, Tony J. Prescott
wiley   +1 more source

CATALOG OF ASTRONOMICAL POSITIONS OF SATURN’S MOONS OBTAINED BY PHOTOGRAPHIC OBSERVATIONS AT THE MAO NASU IN 1961-1991

Odessa Astronomical Publications, 2016
In the framework of UkrVO national project the new methods of plate digital image processing are developed. The photographic material of the UkrVO Joint Digital Archive (JDA, http://194.44.35.19/vo-mao/DB/ archivespecial.php) is used for the solution of ...
O. M. Yizhakevych, V. M. Andruk, L. K. Pakuliak   +2 more
doaj   +1 more source

TacScope: A Miniaturized Vision‐Based Tactile Sensor for Surgical Applications

Advanced Robotics Research, EarlyView.
TacScope is a compact, vision‐based tactile sensor designed for robot‐assisted surgery. By leveraging a curved elastomer surface with pressure‐sensitive particle redistribution, it captures high‐resolution 3D tactile feedback. TacScope enables accurate tumor detection and shape classification beneath soft tissue phantoms, offering a scalable, low‐cost ...
Md Rakibul Islam Prince, Sheeraz Athar, Pokuang Zhou, Yu She   +3 more
wiley   +1 more source

Combining Photogrammetry and Photometric Stereo to Achieve Precise and Complete 3D Reconstruction

Sensors, 2022
Image-based 3D reconstruction has been employed in industrial metrology for micro-measurements and quality control purposes. However, generating a highly-detailed and reliable 3D reconstruction of non-collaborative surfaces is still an open issue.
Ali Karami, Fabio Menna, Fabio Remondino
doaj   +1 more source