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Image interpolation apparatus and methods that apply quarter pel interpolation to selected half pel interpolation results
Image interpolation apparatus and methods that apply quarter pel interpolation to selected half pel interpolation results
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机译:将四分之一象素插值应用于选择的半象素插值结果的图像插值设备和方法
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摘要
An image interpolation apparatus includes a half pel interpolation unit that is configured to perform half pel interpolation on input data to provide half pel interpolation results. A data selection unit is configured to select a portion of the half pel interpolation results to provide a selected portion of the half pel interpolation results. A quarter pel interpolation unit is configured to perform a quarter pel interpolation on the selected portion of the half pel interpolation results, in response to a motion vector. The half pel interpolation unit can operate independent of the motion vector. The quarter pel interpolation unit can generate a data selection signal in response to the motion vector, and the data selection unit can be responsive to the data selection signal. Related methods also are disclosed.
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