The following terminologies in the present invention can be construed based on the following criteria and other terminologies failing to be explained can be construed according to the following purposes. First of all, it is understood that the concept ‘coding’ in the present invention can be construed as either encoding or decoding in case. Secondly, ‘information’ in this disclosure is the terminology that generally includes values, parameters, coefficients, elements and the like and its meaning can be construed as different occasionally, by which the present invention is non-limited.

FIG. 1 shows H.264/AVC encoder.

Referring to FIG. 1, an H.264/AVC encoder includes a transform unit 110, a quantizing unit 115, a coding control unit 120, a dequantizing unit 125, an inverse transform unit 130, a deblocking filtering unit 135, a decoded picture storing unit 140, a motion estimating unit 145, an inter prediction unit 150, an intra prediction unit 155 and an entropy coding unit 160.