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Reliable motion detection/compensation for interlaced sequences and its applications to deinterlacing

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3 Author(s)
Renxiang Li ; Dept. of Electr. & Electron. Eng., Hong Kong Univ., Hong Kong ; Bing Zheng ; Liou, M.L.

We present a new method for the motion detection/compensation between opposite parity fields in interlaced video sequences. We introduce a phase-correction filter, which is applied to one type (even or odd) of fields before motion detection/compensation. By means of this phase-correction filter, the motion-compensated PSNR has been improved by more than 2 dB, on average. We also present a new deinterlacing algorithm based on the newly developed motion detection/compensation. This algorithm requires storing one field only, and the phase-corrected field is used for both motion detection/compensation and intrafield deinterlacing, thus making the proposed algorithm computationally very efficient. Excellent deinterlacing results have been obtained

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Circuits and Systems for Video Technology, IEEE Transactions on  (Volume:10 ,  Issue: 1 )