Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Abstract: Multi-scale features are crucial in encoding objects with varying scales in vision tasks. The classic top-down and bottom-up feature pyramid networks are a common strategy for multi-scale ...

This is the open source version of Scratch 2.0 and the core code for the official version found on http://scratch.mit.edu. This code has been released under the GPL ...

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Tired of your logo looking blurry? The problem isn't "resolution," it's your file type. This guide explains the critical difference between vector and raster files, providing a cheat sheet with the ...

Scratch cards used to be the impulse buy at the corner shop, a small square of possibility tucked beside the till. Today the same reveal moment happens on screens, wrapped in animation, sound and ...

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