向前Selfies

P. Trenz, S. Pasewaldt, Mandy Klingbeil, J. Döllner, Matthias Trapp
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引用次数: 0

摘要

自拍是智能手机用户的一种常见做法。同时捕捉自己和想要的背景并不是一件容易的事,因为通常不可能同时获得良好的视图。此外,用户经常会对周围的环境失去注意力,因此自拍也会导致严重的伤害。为了简化自拍过程并使其更安全,本研究提出将自拍作为一个简单而有效的概念来考虑风险和挑战。前向自拍将前置和后置智能手机摄像头的图像无缝地结合在一起。我们提出了一个基于这一概念的移动应用程序,并在后期处理图像合成阶段实现自拍合成。因此,我们可以利用通常更先进的后置摄像头硬件,即提供更高的图像分辨率,更大的视野和不同的视角。最后,我们利用内置的相机优化独立(去)聚焦对象在不同的距离,如人物和背景。我们的结论是,向前自拍的概念可以有效地解决拍摄自拍的某些挑战,我们通过一个简单的应用程序用户界面来证明这一点。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Forward Selfies
Taking selfies is a common practice for smartphone users. Simultaneously capturing oneself and the desired background is not a trivial task, because it is often not possible to get a good view of both. Moreover, users often loose attention of their surroundings, thus taking a selfie also showed to lead to serious injuries. To ease the process of capturing selfies and to make it more safe, this work proposes forward selfies as a simple yet effective concept to account for both, risk and challenges. Forward selfies seamlessly combine images of the front-facing and the rear-facing smartphone camera. We propose a mobile app that builds on this concept and implements the selfie synthesis in a post-processing image composition stage. Thereby, we can take advantage of the commonly more advanced back-camera hardware, i.e., providing higher image resolutions, larger field of views, and different perspectives. Finally, we leverage built-in camera optimizations for independently (de-)focusing objects at different distances, such as for persons and backgrounds. We conclude that the concept of forward selfies can effectively address and solve certain challenges of capturing selfies, which we demonstrate by a simple app user interface.
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