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This paper proposes a selective intra-field deinterlacing algorithm scheme by using a detailed edge direction classification method. It is base on a mixture of different well known approaches: i) M-ELA method to predict the edge and interpolate the missing pixels, ii) Sobel mask for obtaining more accurate edge detection, iii) using the ratio of vertical edge and horizontal edge, the approach selects...
This paper proposes an adaptive search range adjustment algorithm which is particularly suitable for low-bit-depth motion estimation (ME) approaches. Typical low-bit-depth ME approaches such as one-bit transform (1BT), two-bit transform (2BT), and truncated gray-coded bit plane matching (TGCBM) perform FS with low-bit expression but these have significant PSNR drop. Combination of this proposed algorithm...
In this paper, based on ordered Hadamard transform and its probability model, a fast partial distortion elimination algorithm is proposed. For lossless motion estimation, we propose DC and AC constraints to model local block complexities using ordered Hadamard transform. Using sum of these constraints, we obtain the optimized search order in the matching error calculation by descending order of local...
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