Patent ID: 6519341
Filing Date: 2003-02-11
Classification: H04N

Abstract:
An apparatus for outputting a high definition image, the apparatus comprising:an inputting unit which inputs a first image including a first component having a low frequency component in a horizontal direction and a low frequency component in a vertical direction, and a second image including a second component having the low frequency component in the horizontal direction and a high frequency component in the vertical direction, a third component having a high frequency component in the horizontal direction and the low frequency component in the vertical direction, and a fourth component having the high frequency component in the horizontal direction and the high frequency component in the vertical direction; a decryption unit which decrypts the second image; and an outputting unit which outputs a high resolution image generated from the first image and the decrypted second image if a correct decryption key is inputted in the decryption unit, and outputs a predetermined image if the correct decryption key is not inputted in the decryption unit.