Fivefold symmetry is common in flowers, fruits, molecules, logos, and buildings, but it is a forbidden symmetry in the world of crystals. A few years ago, the so-called quasicrystals were discovered ...

Mid-Century Abstract Vector Pattern Design Mid-century geometric abstract pattern with simple shapes and beautiful color palette. Simple geometric pattern composition, best use in web design, business ...

Abstract background te Vector Design Element for graphic layout. Abstract background template with squares and arrow for business and communication in flat style with mosaic connection concept. ...

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1 Introduction. With the rapid development of China, electricity demand is also increasing. In the face of massive demand for power supply, the coverage of transmission lines must also be expanded (Qi ...

Abstract: Vector polygons are valuable survey data, serving as crucial outputs of national geographical censuses and a fundamental data source for detecting changes in geographical conditions. Current ...

Many people prefer using abstract desktop backgrounds as their desktop wallpaper since they allow you to stay focused on what matters: the foreground apps. It’s boring staying with the same wallpaper ...

1 Department of Precision Instrument, Center for Brain Inspired Computing Research, Tsinghua University, Beijing, China; 2 Department of Electrical and Computer Engineering, University of California, ...

Abstract: An early fire smoke recognition methods based on multi-feature fusion of video smoke is proposed in this paper. Gaussian mixed model and background subtraction method are used to extract the ...