In the vehicle surrounding image providing device 1, the image conversion unit 53 generates the overhead image 205 from images captured by the plurality of camera modules 10. Further, the image detection unit 54 performs edge detection on the overhead image 205. Furthermore, the image detection unit 54 determines the continuity of the edge lines that cross the joint of the overhead image 205 among the detected edge lines, and if the edge line that crosses the joint of the overhead image 205 is discontinuous, the host vehicle The image processing is performed to make the edge line continuous at the joint by matching the edge line far from the edge line with the edge line close to the host vehicle.
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