Importance

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Abstract

An image processor of the disclosure includes: an image sensor that captures an image of an underwater measurement target; a first laser light source that emits first laser light underwater; a second laser light source that emits second laser light underwater from a position that differs from the first laser light source; and a correction data generation unit that generates, on the basis of first information acquired by causing the image sensor to capture images of the first and second laser light beams at a first water depth and second information acquired by causing the image sensor to capture images of the first and second laser light beams at a second water depth which is a water depth at which the image sensor captures an image of the measurement target, correction data used to correct distortion in a captured image captured by the image sensor at the second water depth.

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First Claim