Patent ID: 8739069

Claim:
An image processing apparatus comprising: a slider display unit configured to display a slider used to change an adjustment value used upon execution of image processing of image data, at a position indicating a current adjustment value on a slider bar; a moving unit configured to move the slider on the slider bar in response to an operation by a user to change the adjustment value; a thumbnail image display unit configured to display a plurality of thumbnail images obtained by reducing results of image processing of the image data using a plurality of predetermined values; a selection unit configured to select at least one of the plurality of thumbnail images; and a target value display unit configured to display, on the slider bar, a position indicating a target value which is used in the image processing for obtaining the selected thumbnail image, to be discriminated from the slider, wherein the slider display unit displays the slider by a different appearance in accordance with whether or not the slider is moved to the position indicating the target value on the slider bar.