An image processing device includes a data capture unit configured to capture image data obtained around a vehicle, and an image processor configured to apply image processing to a display image based on the image data. The display image is constituted of an n×m number of pixels arranged in a matrix on a display screen having first to n-th horizontal lines (n is an integer of 3 or more) extending in a horizontal direction and first to m-th perpendicular lines (m is an integer of 3 or more) extending in a perpendicular direction. The display image includes a first image area constituted of the pixels in the first to (k−1)th horizontal lines (k is an integer satisfying 2≤k