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The proton gradients that power respiration are as universal as the genetic code itself, giving an insight into the origin of life and the singular origin of complexity. Why do virtually all cells ...

Abstract: Perceptual image hashing is pivotal in various image processing applications, including image authentication, content-based image retrieval, tampered image detection, and copyright ...

Abstract: In this paper, we propose an automatic tumor segmentation method combining convolutional neural networks with image gradient Enhancement-Enhancement Characteristic U-Net (ECU-Net). This ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...