IMAGE DEFORMATION DEVICE, IMAGE PROCESSING METHOD, AND PROGRAM

PROBLEM TO BE SOLVED: To increase the number of parallel processing, while reducing circuit amount in a device which performs image deformation processing.SOLUTION: In the coordinate system of a deformation image, an image processing device which outputs a deformation image by performing deformation processing for an input image stores a coordinate of the grating point arranged so as to include a plurality of pixels in association with the coordinate in the coordinate system of an input image that corresponds to the coordinate of the grating point, and the coordinate in the coordinate system of the input image corresponding to the coordinate of P pieces (p is a natural number) of a target pixel in the coordinate system of the deformation image is generated by an interpolation calculation based on the coordinate of the grating point. The image processing device is configured such that, in the coordinate system of the deformation image, P pieces of the target pixel are included in the area formed by M pieces (M is a natural number) of the grating point, and the coordinate of M pieces of the grating point is stored so as to be accessible to a processor capable of executing m arithmetic processes in parallel.SELECTED DRAWING: Figure 1 【課題】画像変形処理を行う装置において、回路量を低減しつつ並列処理数を増加させる。【解決手段】入力画像に対して変形処理を行うことにより変形画像を出力する画像処理装置は、変形画像の座標系において、複数の画素を包含するように配置された格子点の座標を、該格子点の座標に対応する入力画像の座標系における座標と関連付けて記憶し、該格子点の座標に基づいて、変形画像の座標系におけるＰ個（Ｐは自然数）の着目画素の座標に対応する入力画像の座標系における座標を補間演算により生成する。画像処理装置は、変形画像の座標系においてＰ個の着目画素はＭ個（Ｍは自然数）の格子点により形成される領域に包含され、該Ｍ個の格子点の座標を、Ｍ並列にアクセス可能に記憶する。【選択図】図１