Patent ID: 6424382
Filing Date: 2002-07-23
Classification: H04N

Abstract:
An error picture image data correction apparatus comprisingan input part for inputting plural picture image data, a selector for selecting a first picture image data and a second picture image data respectively, n error correction part for replacing error picture image data with error correction data on the condition that the first picture image signal at time i is described as x(i), the second picture image signal at time i is described as y(i), t represents time width, n>1, n>k&gE;0, n and k are integers, and the error picture image data are x(i), x(iâˆ’t), x(iâˆ’2t), . . . , x(iâˆ’(nâˆ’1)t), the error picture image data x(iâˆ’kt) is replaced with the error correction data substantially expressed by the following equation:y(iâˆ’kt)+{(nâˆ’k)x(i+t)+(k+1)x(iâˆ’nt)âˆ’(nâˆ’k)y(i+t)âˆ’(k+1)y(iâˆ’nt)}/(n+1)