Patent ID: 8483506

Claim:
An image processing system comprising: a display device for displaying a moving image by using an image divided into a plurality of frames; an image data storage portion for storing image data of an image of an n th (n is a natural number) frame and image data of an image of an (n+1) th frame; a histogram conversion portion for calculating a histogram of the n th frame and a histogram of the (n+1) th frame in accordance with the image data stored in the image data storage portion; a histogram comparator portion for calculating a difference between the histogram of the n th frame and the histogram of the (n+1) th frame to form a histogram curve and for comparing the histogram curve with a threshold curve; an image correction circuit portion for performing correction for narrowing a dynamic range of the image of the (n+1) th frame, which is read from the image data storage portion; and an output switching switch portion for switching and outputting the image data corrected in the image correction circuit portion and the image data from the image data storage portion, which is not corrected, in accordance with output from the histogram comparator portion to the display device.