Abstract: An apparatus includes an image conversion unit suitable for converting a short exposure block according to an exposure ratio; a motion and saturation detection unit suitable for receiving a long exposure block and an L short exposure block converted by the image conversion unit, and detecting motion and saturation; a radiance map generation unit suitable for fusing the long and L short exposure blocks using a guided filter, and generating a radiance map; a luminance acquirement unit suitable for acquiring luminance of the radiance map, and generating luminance using the L short exposure block or respectively generating luminance using the long and L short exposure blocks; and a dynamic range compression unit suitable for performing global tone mapping using the luminance acquired by the luminance acquirement unit, and compressing a dynamic range.

Abstract: An apparatus includes an image conversion unit suitable for converting a short exposure block according to an exposure ratio; a motion and saturation detection unit suitable for receiving a long exposure block and an L short exposure block converted by the image conversion unit, and detecting motion and saturation; a radiance map generation unit suitable for fusing the long and L short exposure blocks using a guided filter, and generating a radiance map; a luminance acquirement unit suitable for acquiring luminance of the radiance map, and generating luminance using the L short exposure block or respectively generating luminance using the long and L short exposure blocks; and a dynamic range compression unit suitable for performing global tone mapping using the luminance acquired by the luminance acquirement unit, and compressing a dynamic range.