| 摘要 |
PURPOSE: An upsampler using a median filter and a frame memory is provided so that effects of a motion detection upsampler can be obtained, simplifying hardware constitution. CONSTITUTION: An input data is applied to a line memory(15) and a vertical peaking(18) through a field memory(11), and applied to a line memory(13) and a vertical peaking(17) through a field memory(12). The outputs from the line memories(13,15) are applied to the vertical peakings(17,18), and applied to the vertical peakings(17,18) through line memories(14,16). In addition, the outputs from the vertical peakings(17,18) are applied to an upsampler(30), and applied to the upsampler(30) through line memories(19,20). The output from the upsampler(30) passes through a horizontal peaking(21). That is, when an interlace type is converted into a progressive type, or a field double is performed, the upsampler performs upsampling by using the simple frame memory and median filter. Accordingly, effects of a general 3D motion detection upsampler can be obtained, without requiring an additional hardware.
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