1、字数:英文 2331 单词, 11235 字符;中文 3722 汉字 出处: I Vegas,A Agrawal,T Tian.Efficient Video Editing for Mobile ApplicationsJInternational Journal of Advanced Computer Science and Applications.2017,8(1):26-30 外文文献: Efficient Video Editing for Mobile Applications Abstract Recording, storing and sharing video cont
2、ent has become one of the most popular usages of smartphones. This has resulted in demand for video editing apps that the users can use to edit their videos before sharing on various social networks. This study describes a technique to create a video editing application that uses the processing powe
3、r of both GPU and CPU to process various editing tasks. The results and subsequent discussion shows that using the processing power of both the GPU and CPU in the video editing process makes the application much more time-efficient and responsive as compared to just the CPU-based processing. Keyword
4、s iOS programming; Image processing; GPU; CPU; Objective-C; GPUImage; OpenGL I.INTRODUCTION Smartphones have become an essential part of our day-to- day life. Americans spend about one hour a day on their smartphones using mobile applications. The iPhone is the most used device, occupying 47% of the
5、 smartphone market share. We consume different types of content on our smartphones such as news, social-media, images, video games, music, films, TV shows, etc. Especially, the number of video content distributed around the Internet is growing exponentially every year due to popular video hosting pl
6、atforms like YouTube, Facebook, Snapchat and Instagram. The consumption of video in mobile platforms is expected to grow 67% year-on-year until 2019 as can be seen in Fig 1. Fig. 1. Evolution of Mobile video consumed As a result of the high quality camera in iPhones, we can record video in high quality with a device that is always in our pocket. The videos can then be shared with our friends across different social-media platforms. With more and more videos being recorded and shared