Suprema Id Inc.

Won Seok Ahn

Bo Gun Park

Sang Won Lee

Jae Won Lee

Jin Wook Yi

Dae Hyun Kim

Provided is an image generating device including a first lighting unit configured to emit light to an object, a second lighting unit configured to emit light to the object and located at a position different from a position of the first lighting unit, a light receiver configured to receive light reflected from the object when light is emitted to the object from the first lighting unit or the second lighting unit, and an image processor configured to obtain image data based on the light received by the light receiver and process the obtained image data, wherein the image processor obtains a first image based on light reflected from the object when light is emitted from the first lighting unit, obtains a second image based on light reflected from the object when light is emitted from the second lighting, generates a processed image by synthesizing the first image and the second image to correct a pixel value of a light noise region of the first image and/or the second image.

Method for generating an image that light noise is removed and a device for generating an image using the method thereof

Provided are control methods of a decryption key storage server, a biometric information storage server, and a matching server in an authentication system. The control method of a decryption key storage server in an authentication system includes: acquiring an identifier of a target client and a encrypted biometric information for authentication; acquiring biometric information for registration corresponding to the identifier to be matched among pieces of the biometric information for registration having been encrypted by the at least one client transmitting the biometric information for registration; extracting a decryption key corresponding to the identifier from the at least one decryption key; decrypting the encrypted biometric information for authentication and the biometric information for registration corresponding to the identifier using the decryption key corresponding to the identifier; and determining whether or not the decrypted biometric information for authentication and the decrypted biometric information for registration corresponding to the identifier match.

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Yongin-si, South Korea

Won Seok Ahn