The present invention relates to a CNN-based finger vein recognition apparatus, comprising: an image acquisition unit for acquiring a finger image; A detection unit for detecting a finger vein from the finger image and comparing the detected finger vein image with a pre-registered finger vein image to detect a difference image; A finger vein database in which the pre-registered finger vein images are stored; A pre-trained convolutional neural network (CNN) for receiving the difference image and outputting a resu And a processing unit that processes finger vein image recognition based on the output result of the CNN.
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