Articles with "hourglass" as a keyword



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Topological Crystalline Insulator Candidate ErAsS with Hourglass Fermion and Magnetic‐Tuned Topological Phase Transition

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202110664

Abstract: Topological crystalline insulators (TCIs) with hourglass fermion surface state have attracted a lot of attention and are further enriched by crystalline symmetries and magnetic order. Here, the emergence of hourglass fermion surface state and exotic… read more here.

Keywords: state; erass; hourglass fermion; phase ... See more keywords
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Coexistence of the hourglass and nodal-line dispersions in Nb3SiTe6 revealed by ARPES

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Published in 2022 at "iScience"

DOI: 10.1016/j.isci.2022.103952

Abstract: Summary The non-symmorphic crystal symmetry protection in the layered topological semimetal Nb3SiTe6 can generate exotic band crossings. Herein, high-quality Nb3SiTe6 single crystal was synthesized via chemical vapor transport. The lattice structure of Nb3SiTe6 was characterized… read more here.

Keywords: coexistence hourglass; line dispersions; hourglass; hourglass nodal ... See more keywords
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Numerical simulation of the formation of hourglass welds during laser welding

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Published in 2019 at "Journal of Materials Processing Technology"

DOI: 10.1016/j.jmatprotec.2017.12.015

Abstract: Abstract The purpose of this study is to understand the effect of laser welding parameters on the formation of hourglass shaped welds in low carbon steel. Transient laser welding is modeled in ANSYS to simulate… read more here.

Keywords: melt pool; formation hourglass; hourglass; laser welding ... See more keywords
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Synthesising KV-DRRs from MV-DRs with fractal hourglass convolutional network

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Published in 2018 at "Electronics Letters"

DOI: 10.1049/el.2017.4572

Abstract: During a radiation treatment, the images of kilovoltage digital reconstructed radiograph (KV-DRR) and megavoltage digital radiograph (MV-DR) are registered to guide the therapy. Such registration is difficult since the images belong to different modalities. To… read more here.

Keywords: network; hourglass; drs fractal; convolutional network ... See more keywords
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Empirical Study of Multi-Task Hourglass Model for Semantic Segmentation Task

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Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2021.3085218

Abstract: The semantic segmentation (SS) task aims to create a dense classification by labeling at the pixel level each object present on images. Convolutional neural network (CNN) approaches have been widely used, and exhibited the best… read more here.

Keywords: hourglass; task; semantic segmentation; multi task ... See more keywords
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Hourglass‐shaped right ventricle and localized constrictive pericarditis

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Published in 2017 at "Echocardiography"

DOI: 10.1111/echo.13424

Abstract: Constrictive pericarditis is characterized by thick pericardial fibrosis and frequent calcification that progressively impairs diastolic filling of the heart. The diagnosis of constrictive pericarditis has been challenging even though multiple diagnostic modalities have been developed.… read more here.

Keywords: constrictive pericarditis; hourglass; pericarditis; localized constrictive ... See more keywords
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AGTH-Net: Attention-Based Graph Convolution-Guided Third-Order Hourglass Network for Sports Video Classification

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Published in 2021 at "Journal of Healthcare Engineering"

DOI: 10.1155/2021/8517161

Abstract: As a hot research topic, sports video classification research has a wide range of applications in switched TV, video on demand, smart TV, and other fields and is closely related to people's lives. Under this… read more here.

Keywords: classification; network; hourglass; attention ... See more keywords
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Image of the month: 'Hourglass left ventricle' in mid-ventricular hypertrophic cardiomyopathy.

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Published in 2022 at "Clinical medicine"

DOI: 10.7861/clinmed.2021-0646

Abstract: A 69-year-old woman with a past medical history of hypertension presented with dyspnoea. Electrocardiography showed left ventricular (LV) hypertrophy and diffuse T wave abnormality. Echocardiography showed systolic mid-cavity narrowing of LV with turbulent flow (Fig… read more here.

Keywords: month hourglass; hourglass left; left ventricle; image month ... See more keywords