Apparatus and method for blending multiple images

摘要

Disclosed is an apparatus to blend a high dynamic range (HDR) image or a plurality of images captured with different exposure settings to multiple images, and a method thereof. A multiple image blender receives a high dynamic range (HDR) image or a plurality of images captured with different exposure settings, and controls setting of one or more areas of interest or setting of one or more gradation levels, and combines and blends the HDR image or the plurality of images captured with different exposure settings corresponding to each area of interest or at each gradation level, and generates at least one multi-exposure image.

主权项

1. A multiple image blender, comprising:
a controller to receive a single high dynamic range (HDR) image of a scene, and to control setting of a plurality of areas of interest in the HDR image and setting of a gradation level for each area of interest; and an image processor to blend the HDR image corresponding to each area of interest by assigning different long-exposure and short-exposure weights to the areas of interest at each respective gradation level, to generate a plurality of multi-exposure images according to a number of areas of interest with different gradation distributions that comprise a range of gradation between a lightest gradation level to a darkest gradation level, from among the gradation levels of the plurality of areas of interest.