Deinterlacing Algorithm using Edge Direction from Analysis of the DCT Coefficient Distribution

摘要

The present invention relates to an image processing apparatus and method for generating a progressive signal from an interlace signal. A deinterlacing apparatus using an edge direction through analysis of a DCT coefficient distribution includes a first deinterlacer for recovering a pixel lacking from the interlace signal by using directionality in a frequency domain, A reliability verifying unit for obtaining an edge direction reliability on the basis of a difference between a direction of the first deinterlacer and a direction of the second deinterlacer; and a second deinterlacer And an output unit for generating a progressive signal by combining the value of the restored pixel and the value of the restored pixel in the second deinterlacer and obtaining a final output value for the missing pixel.