1. A sign language image input method for a sign language image input device, wherein the sign language image input device comprises a processor, a database and a keyboard having a plurality of key blocks, a plurality of sign language images are stored in the database and each of the sign language images corresponds to a code combination, the sign language image input method comprising: generating at least a key combination via pressing the key blocks of the keyboard, wherein the key blocks comprises a plurality of number keys, position keys and hand action keys, the key combination be set according to at least one number key, position key and/or hand action key of the key blocks, wherein the number key is defined as a number of fingers in an input sign language image, the position key is defined as a position of a human organ that is pointed at by the fingers in the input sign language image, and the hand action key is defined as a movement of the fingers or hands in the input sign language image; comparing, by a searching module of the processor, the key combination with the code combinations in the database; and outputting, by a sign language image output module of the processor, the input sign language image according to a comparison result of the key combination and the code combinations.
1. A sign language image input method for a sign language image input device, wherein the sign language image input device comprises a processor, a database and a keyboard having a plurality of key blocks, a plurality of sign language images are stored in the database and each of the sign language images corresponds to a code combination, the sign language image input method comprising: generating at least a key combination via pressing the key blocks of the keyboard, wherein the key blocks comprises a plurality of number keys, position keys and hand action keys, the key combination be set according to at least one number key, position key and/or hand action key of the key blocks, wherein the number key is defined as a number of fingers in an input sign language image, the position key is defined as a position of a human organ that is pointed at by the fingers in the input sign language image, and the hand action key is defined as a movement of the fingers or hands in the input sign language image; comparing, by a searching module of the processor, the key combination with the code combinations in the database; and outputting, by a sign language image output module of the processor, the input sign language image according to a comparison result of the key combination and the code combinations. 5. The sign language image input method according to claim 1 , wherein each of the sign language images in the database corresponds to a representative term.