Abstract: A method for decoding an image based on an intra prediction, comprising: obtaining a first prediction pixel of a first region in a current block by using a neighboring pixel adjacent to the current block; obtaining a second prediction pixel of a second region in the current block by using the first prediction pixel of the first region; and decoding the current block based on the first and the second prediction pixels.

Abstract: Disclosed is a voice recognition apparatus for an elevator and its control method which can be installed irrespective of an elevator manufacturer and make it possible to help a visually handicapped person or an audibly handicapped person to easily use the elevator with the aid of a voice recognition function.

Abstract: Disclosed are an elevator using variable communication protocol and its control method which makes it possible to operate elevators which uses different communication protocols between an operation control part controlling an operation of an elevator and an elevator hall and between an operation control part and an up and down passage operation part.