High Dynamic Range Camera Image Enhancement Based On Android Mobile Phones

Computing technology, wireless access technology, embedded systems increasingly have the ability to make desktop systems support conventional operations. Google has long pursued a development strategy of the movement, with the global handset manufacturers and mobile operators form partnership to develop useful, attractive mobile services and to promote these products. Android further promote the anytime and anywhere information for each person,the business goals, more like a desktop environment for the Java-Linux operating system, will help Google achieve its corporate strategy of the anytime and anywhere for everyone information.Android is an open and comprehensive platform for mobile devices, which includes the operating system, user interface, middleware and key applications platform, with all the required mobile phone software. Most important feature of Android is that it is an open system architecture, has a very good development and debugging environment, but also supports various expendable user experience, Android has very rich graphics system processing of the images integrated lots of package, library functions and API functions.Dynamic range image display very concerned image processing, machine vision, pattern recognition and other disciplines is a issue, which is a cross-cutting issues, its study has important and wide-ranging significance. Especially with the continuous development of digital technology, whether still images or video images are displayed on raised higher requirements. In this issue, the high dynamic range image display is an important technology.In this paper we use Debevec algorithms in order to get a high dynamic range image, and then use the tone mapping algorithm to process image. The algorithm even in the low-end display devices such mobile phones also can clearly see the effect of high dynamic range image, but the main solution is a static picture of the tone mapping problem. Algorithm is simple, fast processing speed, applicability, not only suitable for PC computers to handle the high dynamic range image, but also for embedded graphics and video processing equipment in the process of tone mapping.