A digital image processing method applied to an intelligent early education server. The digital image processing method comprises: receiving picture data sent by a client; extracting characteristic information of the picture data and matching the characteristic information with tree species characteristics in a pre-established vocabulary tree; when the matching is successful, acquiring a pre-bound multimedia file corresponding to the tree species characteristics; and sending the multimedia file to the client for playing by the client. Also provided are another digital image processing method, an intelligent early education server, and an intelligent early education client. The solution can increase the interactivity and interest of early education.
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