Disclosed is an image sensing device that includes an image sensor including a pixel array, the pixel array including arranged in a predetermined pattern a first group of pixels having a first color filter, a second group of pixels having a second color filter and a third group of pixels having a third color filter, and an image processor suitable for determining, based on pixel values outputted from the image sensor, whether a group having a minimum number of pixels among the first to third groups of pixels are supersaturated and correcting a pixel value of at least one supersaturated pixel according to a determination result.