Patent ID: 8355077
Filing Date: 2013-01-15
Classification: H04N

Abstract:
1. A method of determining a motion value for a missing pixel in an interlaced video field using an adaptive window, the method comprising: computing a first mean absolute difference (MAD) value for the pixel based on a 1×5 window; computing a second MAD value for the pixel using a 3×5 window; and selectively blending the first and second MAD values to form a resultant motion value; wherein selectively blending includes computing a blend factor blend according to: wherein next_top, next_mid and next_bot correspond to pixels in a next field, prev_top, prev_mid and prev_bot correspond to pixels in a previous field, the previous field having a same parity as the next field and an opposite parity to the interlaced video field of the missing pixel; and wherein topbot_thresh and blend_res are programmable registers.