Detection of De-interlacing for Scaled Video

A novel low-cost detector is proposed that can robustly classify input video in progressive format as being de- interlaced or originally progressive for a broad range of de-interlacing techniques. Moreover, the detector determines the positions of original and interpolated lines and the scaling factor if the content was scaled after de-interlacing. The detector can be used in various applications, such as for the control of the TV video engine, the post-processing of poorly de-interlaced film content or the optimization of video compression schemes.