Method and device for determining type of certificate and method and device for translating certificate
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The invention discloses a method and a device for determining the type of a certificate and a method and a device for translating the certificate. The method for automatically determining the type of the certificate comprises the following steps of: acquiring a certificate image; extracting appearance characteristics and/or geometrical characteristics of the certificate image; and determining the type of the certificate according to the appearance characteristics and/or the geometrical characteristics of the certificate image, wherein the appearance characteristics comprise color characteristic, texture characteristic and layout characteristic of the certificate image, and the geometrical characteristics comprise size characteristic and length-width ratio characteristic of the certificate image.