Learning data generator100A,100b)A 3D model of the object is used to simulate the radar irradiation to the object.An object image generation unit for generating object simulating radar image which is a simulated radar image of an object120b) andA background image acquisition section (140) which acquires the background image using radar image information generated by the radar apparatus by the radar irradiation andAt a predetermined position in the background image obtained by the background image acquisition sectionObject image generation unitThe object simulating radar image produced by 120b is attached.An image synthesis part (180), which generates a synthesized pseudo radar image composed of a background image and an object simulating radar image185a,180B andImage composition unit185a,Synthetic simulated radar image information indicating the synthesized pseudo radar image produced by 180B andA learning data generation unit (190) for generating learning data corresponding to class information indicating the type of objectWas provided.
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