1. A biometric information correction apparatus comprising: a processor configured to: apply a correction process with respect to a first biometric image representing biometric information of a user to create a second biometric image, extract a first feature amount representing features of the biometric information from the first biometric image and a second feature amount representing features of the biometric information from the second biometric image, calculate a degree of change representing a difference between the first feature amount and the second feature amount, and output the first feature amount when the degree of change indicates that an artifact has been created in the second biometric image.