Device for performing image transformation processing and method thereof

An image processing device that transforms an image includes a storage unit configured to store coordinate values in a coordinate system of a pre-transformed image, each of the coordinate value corresponding to a grid point in a coordinate system of a transformed image, a selection unit configured t...

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Bibliographische Detailangaben
Hauptverfasser: Nakayama, Tadayoshi, Kitashou, Tetsurou
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An image processing device that transforms an image includes a storage unit configured to store coordinate values in a coordinate system of a pre-transformed image, each of the coordinate value corresponding to a grid point in a coordinate system of a transformed image, a selection unit configured to select a grid point in the vicinity of a target pixel in the transformed image, a calculation unit configured to refer to the pre-transformed coordinate value, corresponding to the selected grid point and stored in the storage unit, and to calculate a pre-transformed coordinate value corresponding to the target pixel, using the referred coordinate value, and an output unit configured to output a pixel value of the coordinate value calculated in the pre-transformed image, as a pixel value of the target pixel in the transformed image.