FIELD: image processing means.
SUBSTANCE: invention relates to image processing for sharpening. Image processor includes a correction signal generator configured to generate a correction signal by calculating a difference between an image and an image obtained by applying a non-sharp mask formed on the basis of the point scatter function (PSF) corresponding to the image pickup parameters of the optical system for capturing an image, and a correction signal applying unit configured to increase the sharpness of the image by multiplying the correction signal generated by the generator, to the constant and adding the multiplied correction signal to the image.
EFFECT: technical result is simplified image processing.
16 cl, 36 dwg
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