INFORMATION PROCESSING DEVICE, CONTROL METHOD, PROGRAM, AND STORAGE MEDIUM

The controller of the information processing device is configured to acquire measurement data of a feature measured by a lidar provided on a ship and measurement data of a water surface. In addition, the controllers is configured to acquire information regarding a height of the feature from a river map DB . Then, the controller is configured to acquire highest point information IH regarding a height of the highest point of the ship from a reference position of the ship. Then, the controller is configured to calculate a ship highest point height based on the measurement data of the feature, the measurement data of the water surface, the information regarding the height of the feature, and the highest point information IH.