1. An imaging device, comprising: a pixel array including first pixels and second pixels, the first pixels having a first exposure time and the second pixels having a second exposure time, wherein the second exposure time is shorter than the first exposure time, wherein a first line of the pixel array includes a first pixel set having one first pixel and three second pixels in a row, and wherein a second line of the pixel array includes a second pixel set having one second pixel and three first pixels in a row.