Results 91 to 100 of about 2,851,376 (274)

Problems in estimate of parts geometrical accuracy

Science intensive technologies in mechanical engineering, 2018
The paper reports the analysis of the method for parts geometrical accuracy definition which includes the following stages: part surfaces measurement, a representation of measurement results and their relative position, a definition without errors count and a definition of surface errors. There are shown drawbacks of stages enumerated such as a neglect
openaire   +2 more sources

Integration of OpenCV‐Based Microscopic Adhesive Volume Measurement Into a Pyiron Workflow for Automated Data Analysis

Advanced Engineering Materials, EarlyView.
Residual adhesive after electrode loading in adhesive‐assisted resistance spot welding is quantified through a traceable experimental‐to‐digital workflow. Chromatic confocal topography provides calibrated surface‐height data, while OpenCV detects the electrode imprint and integrates adhesive height into comparable volume metrics.
Sung‐Min Wi, Jiangdong Zhao
wiley   +1 more source

The Impact of Point Cloud Simplification on the Accuracy of the Viewshed

Computer Assisted Methods in Engineering and Science
Contemporary visibility analyses, particularly relevant in environmental and landscape studies, require the processing of very large datasets derived from point clouds.
Jerzy ORLOF, Adrian WIDŁAK
doaj   +1 more source

Microstructure Modification of Additively Manufactured Mo–9Si–8B by Annealing and Its Effects on High‐Temperature Mechanical Properties

Advanced Engineering Materials, EarlyView.
Postbuild annealing systematically modifies the phase fractions and morphology of EB‐PBF processed Mo–9Si–8B. Quantitative microstructure–property correlations reveal how controlled phase evolution enhances high‐temperature compressive strength and creep resistance.
Christopher Schmidt, Yong Chen, Georg Hasemann, Benjamin Wahlmann, Carolin Körner, Manja Krüger   +5 more
wiley   +1 more source

Evaluation of the Potential of Very-High-Resolution Satellite Imagery in Large-Scale Mapping

Remote Sensing
With the rapid and ongoing expansion of urban areas, the need for accurate, reliable, and regularly updated topographic maps has become increasingly critical for planning and sustainable development. While traditional aerial photogrammetry—whether analog
Ilyas Afa, Adnane Labbaci, Laila El Ghazouani, Hassan Radoine   +3 more
doaj   +1 more source

STANDARD MBTHOD OF RMSE CALCULATION FROM POLYNOMIAL RECTIFICATION

Journal of Engineering, 2002
Image quality and geometric accuracy of SPOT data are essential elements in cartographi: applications. The evaluation of geometric accuracy of SPOT data is carried out by analysis and quantification of the errors in geometric correction.
Ruba Yousif Hussain, Abd ul-Razzak T . Ziboon, Khalid I. Hassun   +2 more
doaj   +1 more source

Enhanced Ultrasound Transmission Through Aberration Layers Using Space‐Coiling Acoustic Metamaterials

Advanced Engineering Materials, EarlyView.
Enhancing ultrasound transmission through an aberration layer exhibiting mismatched impedance with the surrounding medium possesses great implications in imaging and treatment. In this study, we show that a space‐coiling acoustic metamaterial with judiciously tailored structural profile can help improve impedance matching.
Maral Ghanami, Hengzhe Ren, Erqian Dong, Ashkan Ghanbarzadeh‐Dagheyan, Chen Shen   +4 more
wiley   +1 more source

Measurement Errors and their Propagation in the Registration of Remote Sensing Images (?) [PDF]

Reference control points (RCPs) used in establishing the regression model in the registration or geometric correction of remote sensing images are generally assumed to be ?perfect?.
Jinfeng Wang, Jianghong Ma, Yee Leung, Yong Ge   +3 more
core  

Systematic reviews of diagnostic test accuracy

, 2008
More and more systematic reviews of diagnostic test accuracy studies are being published, but they can be methodologically challenging. In this paper, the authors present some of the recent developments in the methodology for conducting systematic ...
JJ Deeks, Cochrane Diagnostic Test Accuracy Working Group, C. Gatsonis, RUTJES, ANNE WILHELMINA SASKIA, D'AMICO, Roberto, MM Leeflang, PM Bossuyt   +6 more
core   +1 more source

Investigating the Effect of Inclination Angle and the Influence of Scan Parameters on the Appearance and Thermal and Mechanical Properties of Filigree Tension Rods of LPBF‐Manufactured NiTi Shape‐Memory Alloys

Advanced Engineering Materials, EarlyView.
This article investigates the dependence of the properties on the manufacturing orientation in the form of the inclination angle to the build plate of LPBF‐fabricated NiTi rods with a diameter of 150–220 µm. Metallographic, chemical, thermal, and mechanical characterization show behavior under identical manufacturing conditions that ranges from ...
Sandra Herzig, Michael Werner, Christian Rotsch   +2 more
wiley   +1 more source