نتایج جستجو برای: vision metrology
تعداد نتایج: 132285 فیلتر نتایج به سال:
Nowadays, the subject of vision metrology network design is local enhancement of the existing network. In the other words, it has changed from first to third order design concept. To improve the network, locally, some new camera stations should be added to the network in drawback areas. The accuracy of weak points is enhanced by the new images, if the related vision constraints are satisfied si...
SUMMARY Automatic optimum network design for measuring complex industrial objects by vision metrology systems is a real challenge. In the absence of 3D simulated CAD models of the complex objects along with the absence of workspace information, several uncertain parameters are introduced into the camera placement decision-making process. These uncertain factors include the vision constraints su...
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The UK National Quantum Technology Hub in Sensors and Metrology is one of four flagship initiatives in the UK National of Quantum Technology Program. As part of a 20-year vision it translates laboratory demonstrations to deployable practical devices, with game-changing miniaturized components and prototypes that transform the state-ofthe-art for quantum sensors and metrology. It brings together...
The perception of 3D scene with stereovision is the capability of human vision but it is a challenge to computer systems. The challenge is to obtain 3D geometric shape information from planar images. This is termed as 3D reconstruction. It is usually done in a piece-wise fashion by identifying various planes of the scene and from those planes constructing a representation of the whole. The imag...
The quality infrastructure of the Kingdom Saudi Arabia is discussed in this article. effect COVID-19 pandemic on oil-based economy described detail. goals Vision 2030 reference to conversion KSA non-oil-based have been discussed. models for economic growth has This article describes details three pillars: metrology, accreditation, and standards context KSA. role existing apex bodies, i.e., Stan...
Testing of image intensifier tubes is still done using mostly manual methods due to a series of both technical and legal problems with test automation. Computerized stations for semi-automated testing of IITs are considered as novelty and are under continuous improvements. This paper presents a novel test station that enables semiautomated measurement of image intensifier tubes. Wide test capab...
The present work presents an improved method to align the measurement scale mark in an immersion hydrometer calibration system of CENAM, the National Metrology Institute (NMI) of Mexico, The proposed method uses a vision system to align the scale mark of the hydrometer to the surface of the liquid where it is immersed by implementing image processing algorithms. This approach reduces the variab...
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