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Defect Detection of Solar Cells Using EL Imaging and Fourier Image Reconstruction
2013Solar power is an attractive alternative source of electricity nowadays. Solar cells, which form the basis of a solar power system, are mainly based on crystalline silicon. Many defects cannot be visually observed with the conventional CCD imaging system. This paper presents defect inspection of multi-crystalline solar cells in electroluminescence (EL)
Ya-Hui Tsai +3 more
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Iterating Tensor Voting: A Perceptual Grouping Approach for Crack Detection on EL Images
IEEE Transactions on Automation Science and Engineering, 2021The surface of a multicrystal solar cell shows multiple crystal grains of random shapes and sizes. It creates an inhomogeneous texture in the surface, which brings great difficulty to automatic crack detection of polycrystalline solar surface. As a perceptual grouping approach, tensor voting can extract curvilinear structures such as lines and curves ...
Kun Liu 0009 +4 more
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Microdiffraction, stem imaging and ELS at crystal surfaces
Ultramicroscopy, 1982Abstract The interaction of electrons with the flat face of a small crystal, when the beam is almost parallel to the face, is strongly influenced by the form of the potential field at the surface and the excitations associated with the surface. Microdiffraction patterns show evidence of refraction displacements from which information on the form of ...
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1st International Round Robin on EL Imaging: Automated Camera Calibration and Image Normalisation
2018Results from the first international Round Robin on electroluminescence (EL) imaging of PV devices are presented. 17 Laboratories across Europe, Asia and the US measured EL images of ten commercially available modules and five single-cell modules. This work presents a novel automated camera calibration and image scaling routine.
Bedrich, K.G. +10 more
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EL‐GAN: Edge‐Enhanced Generative Adversarial Network for Layout‐to‐Image Generation
Computer Graphics Forum, 2022AbstractAlthough some progress has been made in the layout‐to‐image generation of complex scenes with multiple objects, object‐level generation still suffers from distortion and poor recognizability. We argue that this is caused by the lack of feature encodings for edge information during image generation.
Lin Gao, Lei Wu 0002, Xiangxu Meng
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New El Salvador prison will boost Bukele’s tough image
Emerald Expert Briefings, 2023Headline EL SALVADOR: New prison to boost Bukele’s tough image
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Images in Conflict: The Case of Ronald Reagan and El Salvador
International Studies Quarterly, 1996International conflict has long been of intrigue to scholars, and numerous explanations have been forwarded in an attempt to understand the causes of conflict. This article seeks to build upon explanations of conflict by focusing upon the psychology of decision-making with regard to the impact cognitive images have upon policymakers as imperfect ...
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"El cabdal sepulcro": Word and Image in the Libro de Alexandre
La corónica: A Journal of Medieval Hispanic Languages, Literatures, and Cultures, 2010International ...
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Thin film PC-EL sandwich type image intensifiers
Thin Solid Films, 1972Abstract Solid state image intensifiers have been constructed by sandwiching an evaporated CdS photoconductive film, an insulating In MgF 2 opaque film and a plastic-embedded ZnS electroluminescent layer. Characteristics of these panels are described.
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The Blurred Image: The Aesthetics of Impunity in Pablo Larraín’s No and El Club
2020Pablo Larraín has discussed the challenge of working with digital film, whose pristine image tends to flatten the historical differences that regular film stock preserves. He intends to achieve a certain “tone” or “texture,” by employing filters that simulate old anamorphic lenses and natural lighting. The director’s desire for an image that captivates
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