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Liquid crystal display apparatus

A liquid crystal display apparatus includes an applied gradation value acquiring section for receiving gradation data of a frame to be displayed, gradation data of a frame to be outputted, gradation data of the current frame supplied from a frame memory and measured data from a temperature sensor. An interpolation operation is then carried out in reference to look-up tables stored in a look-up table memory so as to calculate a target applied gradation data required for gradation display. The section sets for each LUT (a) a coordinate system in which a lattice point is represented by a combination of the gradation data of the current frame and the gradation data of the target frame and (b) a local coordinate system having lattice points corresponding to the target gradation data in the coordinate system; carries out interpolation operation by use of the local coordinate system, and carries out further interpolation operation based on the interpolated value (table interpolated value), in accordance with the measured data so as to calculate the target applied gradation data. The adoption of the interpolation by use of the local coordinate system enables the finding of the target applied gradation data (interpolated value) with higher accuracy, while a variety of additional conditions are taken into consideration.
Owner:UNIFIED INNOVATIVE TECH

Image recording apparatus, image processing apparatus and image processing method and computer-readable medium

An image recording apparatus includes: a recording head having a plurality of recording elements; a conveyance device which conveys at least one of the recording head and a recording medium so as to cause relative movement between the recording head and the recording medium; a recording defect information acquisition device which acquires recording defect information indicating a recording element having a recording defect, of the plurality of recording elements; a recording defect correction device which corrects an image defect caused by the recording element having a recording defect, according to the recording defect information acquired by the recording defect information acquisition device; an image reading apparatus which reads in an image of a test chart for density measurement recorded by the recording head, the image of the test chart for density measurement having been corrected by the recording defect correction device; a recording density information acquisition device which acquires recording density information indicating recording density of the plurality of recording elements, according to the image of the test chart for density measurement read in by the image reading apparatus; a density correction information calculation device which calculates density correction information according to the recording density information acquired by the recording density information acquisition device; a density correction device which corrects density of image data according to the density correction information calculated by the density correction information calculation device; an uncorrected recording defect information acquisition device which acquires uncorrected recording defect information indicating a recording element having a new recording defect which has not been corrected by the recording defect correction device when the test chart for density measurement is output; and a recording density information amendment device which amends the density correction information according to the uncorrected recording defect information acquired by the uncorrected recording defect information acquisition device.
Owner:FUJIFILM CORP
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