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: Cracks are typical line structures that are of interest in many computer-vision applications. In practice, many cracks, e.g., pavement cracks, show poor continuity and low contrast, which ...
See what you remember about this extraordinary year by taking our special 2025 news quiz. Compiled by Jeremy Engle The Times Upshot reporter Claire Cain Miller joins us in January to chat with ...
A tooth cracked in half may not hurt, but it still needs prompt evaluation—delaying treatment can lead to infection, nerve damage, or tooth loss. Even without pain, warning signs like sensitivity, ...
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