61 lines
2.3 KiB
TeX
61 lines
2.3 KiB
TeX
\usetikzlibrary{calc,trees,positioning,arrows,chains,shapes.geometric,%
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decorations.pathreplacing,decorations.pathmorphing,shapes,%
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matrix,shapes.symbols,plotmarks,decorations.markings,shadows,backgrounds}
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\def\MVE{\mbox{MVE}}
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\def\MVBASE{\mbox{BASE\_MC}}
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\def\INTERVIEW{\mbox{INTERVIEW\_COPY}}
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\def\COMBMC{\mbox{COMB\_MC}}
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\def\COMBMCDISP{\mbox{COMB\_MC\_Disp}}
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% Define block styles
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\tikzstyle{block} = [rectangle, draw, text width=6cm, text centered, minimum height=1.5cm, node distance=2.3cm]
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\tikzstyle{node_circle} = [circle, draw, text centered]
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\tikzstyle{decision} = [diamond, draw, text badly centered, inner sep=1pt, text width=2cm, node distance=2.8cm]
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\tikzstyle{line} = [draw, -latex']
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\newcommand{\scale}{0.7}
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\begin{tikzpicture}[node distance = 2.5cm, auto,every node/.style={minimum size=\scale,scale=\scale},scale=\scale]
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% Place nodes
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\node [decision] at (0,0) (Indentify) {\small Identifying corrupted frame};
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\node [block,ellipse, text width=2.5cm,above of=Indentify,yshift=0.7cm] (Start) {Frame Start};
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\path [line] (Start) -- (Indentify);
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\node [block,below of=Indentify,yshift=-0.7cm] (Divide) {The frame is divided into $4\times4$ blocks};
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\path [line] (Indentify) -- (Divide);
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\node [block,below of=Divide] (Normalization) {Motion vector normalization};
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\path [line] (Divide) -- (Normalization);
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\node [block, below of=Normalization] (Differences) {Calculating motion vector differences (MVD)};
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\path [line] (Normalization) -- (Differences);
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\node [block, right of=Indentify, xshift=5cm,yshift=1.4cm] (Recursive) {Recursive motion vector difference and refinement area selection};
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\path [line] (Differences.south) -- +(0,-1) -- +(7.8/2,-1) -- +(7.8/2,11+0.8) -| (Recursive.north);
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\node [block, below of=Recursive] (Iterative) {Iterative counting the occurrences of MVD};
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\path [line] (Recursive) -- (Iterative);
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\node [block,below of=Iterative] (Selection) {The MVD with maximum occurrence is individually selected in x and y directions};
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\path [line] (Iterative) -- (Selection);
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\node [block,below of=Selection] (FinalMV) {Final motion vector is derived by adding the refined MVD};
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\path [line] (Selection) -- (FinalMV);
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\node [block,ellipse, text width=2.5cm,below of=FinalMV, yshift=0cm] (End) {End of frame};
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\path [line] (FinalMV) -- (End);
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\end{tikzpicture}
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