Patent ID: 8267024

Claim:
A sewing machine comprising: a bed portion; a pillar portion that is erected upward from the bed portion; an arm portion that extends horizontally from the pillar portion above the bed portion; a head that is provided at an end of the arm portion; a needle bar that is attached to the head and can reciprocate up and down, and the needle bar is configured to hold a sewing needle; an image pickup device that can pick up an image of an upper surface of the bed portion; an image conversion device that generates a virtual image from a real image by viewpoint conversion, the virtual image being an image as viewed from an arbitrary viewpoint position, and the real image being an image picked up by the image pickup device, wherein the image conversion device performs the viewpoint conversion using an internal parameter and an external parameter; an image display device that displays an image; and an image display control device that displays the virtual image generated by the image conversion device on the image display device, wherein the image display control device causes the image display device to display one of the real image and the virtual image by switching between the real image and the virtual image based on a viewpoint conversion command.