METHOD FOR IMAGE INTERPOLATION USING ASYMMETRIC INTERPOLATION FILTER AND APPARATUS THEREFOR

A sub-pet-unit image interpolation method using a transformation-based interpolation filter includes, according to a sub-pet-unit interpolation location in a region supported by interpolation filters for generating at least one sub-pel-unit pixel value located between integer-pel-unit pixels, indivi...

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Bibliographische Detailangaben
Hauptverfasser:	ALSHINA, Elena, ALSHIN, Alexander
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	A sub-pet-unit image interpolation method using a transformation-based interpolation filter includes, according to a sub-pet-unit interpolation location in a region supported by interpolation filters for generating at least one sub-pel-unit pixel value located between integer-pel-unit pixels, individually selecting a symmetric or asymmetric interpolation filter with respect to the interpolation location from among the interpolation filters; and generating the at least one sub-pet-unit pixel value by interpolating the integer-pel-unit pixels by using the selected interpolation filter. (Figure 1)