High dynamic range rendering method for YUV images with global luminance correction

This paper proposes a high dynamic range rendering method which consists of local luminance correction and global luminance correction. The proposed method estimates the change in the global luminance caused by the local luminance correction in advance, and sets an approximate gamma value for each pixel. The local luminance correction and the global luminance correction are combined to reduce the computation cost in the method. Experiments results demonstrated that the proposed method can successfully enhance image quality and its computational cost is reasonable for imaging appliances.