Research On Performing Techniques Of HDR In Photography

With the constant improvement of photographic techniques, photographers respond differently to the forms of images and the manifestations of contents, which has made a further progress in the aspect of technical expression. When we take digital photos, we find the photos far poorer than the actual scene since digital cameras can hardly capture images which include both dark shadow and bright beam. However, the HDR technique can make it with the ability to restore highlighted areas and dark details, sharply and accurately. Consequently, a huge amount of photography featuring the HDR technique is emerging in websites, journals and magazines, leaving a deep impression to the viewers. Having brought massive visual power, the unique visual effect of the HDR gradually comes into the public eye in the fields of commercial photography, landscape photography, architectural photography, portrait photography and so on. We can safely make a conclusion that the HDR technique is not only a technique used by photographers to express their creativity, but also a photographic expressing method to guide the viewers’ aesthetical consciousness.This paper is divided into four parts. The first part of the introduction, a brief introduction of the research background HDR technology, theoretical research, introduced the main contents, research methods. The second part, through the collection of literature describes HDR technology in photography in the application development survey, HDR technology in photography HDR image concept and production applications. The third part, the author analyzes the case of large number of pictures and the comparison mainly HDR technology in photography in the performance methods of analysis, and network analysis HDR Photo Case technical characteristics and advantages in photographic creation, image performance style and form visual characteristics were analyzed.The fourth method of making such images studied under the guidance of the principle of performance based on the results of the third part of the analysis. Main summary classify existing digital post HDR image production method, and practice methods developed in the works.