Display control apparatus and method for controlling the same

Abstract

An apparatus includes a display control unit configured to display a first type of image captured with a first gradation characteristic and a second type of image captured with a second gradation characteristic having a higher gradation quality on a high-luminance side than the first gradation characteristic, and a control unit configured to perform control such that luminance of a display unit is set to second luminance higher than first luminance of a case where the first type of image is displayed, in a case where the second type of image is displayed.

What is claimed is: 
     
         1 . An apparatus comprising:
 an image sensor; and   a memory and at least one processor and/or at least one circuit to perform the operations of the following units:   a display control unit configured to display a first type of image captured with a first gradation characteristic, and a second type of image captured with a second gradation characteristic having a higher gradation quality on a high-luminance side than the first gradation characteristic;   a control unit configured to perform control such that luminance of a display unit is set to second luminance higher than first luminance of a case where the first type of image is displayed on the display unit, in a case where the second type of image is displayed on the display unit; and   a mode setting unit configured to set a mode to any of a plurality of modes using gradation characteristics different from one another at the time of imaging by the image sensor, the plurality of modes including at least a first mode using the first gradation characteristic and a second mode using the second gradation characteristic,   wherein in a case where a live view image being captured by the image sensor in the second mode is displayed, the control unit performs control such that the luminance of the display unit is set to brighter luminance than luminance of a case where a live view image being captured by the image sensor in the first mode is displayed.   
     
     
         2 . The apparatus according to  claim 1 , wherein the control unit performs control such that the luminance of the display unit is set to the first luminance in response to a screen switching from a state in which the second type of image is displayed with the luminance of the display unit set to the second luminance to a state in which a video image that is not the captured image is displayed. 
     
     
         3 . The apparatus according to  claim 1 , wherein in a case where a luminance setting of the display unit is a luminance setting as bright as or brighter than a predetermined value, the control unit performs control such that an output gamma characteristic with which the second type of image is output on the display unit is set to a second output gamma characteristic that enables a low-luminance side to be displayed more brightly than a first output gamma characteristic with which the first type of image is output on the display unit. 
     
     
         4 . The apparatus according to  claim 3 , wherein the predetermined value is the second luminance. 
     
     
         5 . The apparatus according to  claim 3 , wherein the luminance setting is a luminance setting set by a user. 
     
     
         6 . The apparatus according to  claim 1 , further comprising a setting unit configured to set whether to turn on an assist function for visibility of when the second type of image is displayed,
 wherein in a case where the assist function is not turned on, the control unit performs control such that the luminance of the display unit is not changed from the first luminance even when the second type of image is displayed.   
     
     
         7 . The apparatus according to  claim 1 , further comprising an acquisition unit configured to acquire a recorded image and attribute information of the image,
 wherein based on the acquired attribute information, the control unit performs control such that the luminance of the display unit is set to the second luminance when the image to which the attribute information indicating that the image is the second type of image is added is reproduced.   
     
     
         8 . The apparatus according to  claim 7 , wherein based on the acquired attribute information, the control unit performs control such that when the image to which the attribute information indicating that the image is the second type of image is added is reproduced, a display item indicating that the image is the second type of image is displayed together with the image. 
     
     
         9 . The apparatus according to  claim 1 , wherein when an image display is performed in a multiscreen form in which a plurality of images is displayed on a single screen, the control unit performs control such that even in a case where the second type of image is included in the plurality of images, the luminance of the display unit is not changed from the first luminance. 
     
     
         10 . The apparatus according to  claim 1 , wherein the control unit performs control such that the luminance of the display unit is set to the first luminance in response to the screen switching from a state in which the second type of image is displayed with the luminance of the display unit set to the second luminance to a menu screen where a setting of the display unit is set. 
     
     
         11 . The apparatus according to  claim 10 , wherein when a setting screen, which is provided under a hierarchical level of the menu screen, to be displayed together with the second type of image is displayed, the control unit performs control such that the luminance of the display unit is changed from the first luminance to the second luminance. 
     
     
         12 . The apparatus according to  claim 1 , wherein in a case where the second type of image is displayed with the luminance changed from the first luminance to the second luminance, the control unit performs control such that a display item to be displayed together with the second type of image is drawn with lower brightness. 
     
     
         13 . The apparatus according to  claim 1 , wherein each of the first gradation characteristic and the second gradation characteristic is a gradation characteristic when luminance of an object is converted into a gradation value, and the second gradation characteristic is a gradation characteristic that exhibits a lower gradation quality on an intermediate-luminance to low-luminance side of the object and has a larger number of gradation values allocated to the high-luminance side than the first gradation characteristic. 
     
     
         14 . A method comprising:
 displaying a first type of image captured with a first gradation characteristic, and a second type of image captured with a second gradation characteristic having a higher gradation quality on a high-luminance side than the first gradation characteristic;   performing control such that luminance of a display unit is set to second luminance higher than first luminance of a case where the first type of image is displayed on the display unit, in a case where the second type of image is displayed on the display unit; and   setting a mode to any of a plurality of modes using gradation characteristics different from one another at the time of imaging by a image sensor, the plurality of modes including at least a first mode using the first gradation characteristic and a second mode using the second gradation characteristic,   wherein in a case where a live view image being captured by the image sensor in the second mode is displayed, the controlling performs control such that the luminance of the display unit is set to brighter luminance than luminance of a case where a live view image being captured by the image sensor in the first mode is displayed.   
     
     
         15 . The method according to  claim 14 , wherein the performing performs control such that the luminance of the display unit is set to the first luminance in response to a screen switching from a state in which the second type of image is displayed with the luminance of the display unit set to the second luminance to a state in which a video image that is not the captured image is displayed. 
     
     
         16 . The method according to  claim 14 , wherein in a case where a luminance setting of the display unit is a luminance setting as bright as or brighter than a predetermined value, the performing performs control such that an output gamma characteristic with which the second type of image is output on the display unit is set to a second output gamma characteristic that enables a low-luminance side to be displayed more brightly than a first output gamma characteristic with which the first type of image is output on the display unit. 
     
     
         17 . A non-transitory computer readable storage medium storing a computer-executable program of instructions for causing a computer to perform a method comprising:
 displaying a first type of image captured with a first gradation characteristic, and a second type of image captured with a second gradation characteristic having a higher gradation quality on a high-luminance side than the first gradation characteristic;   performing control such that luminance of a display unit is set to second luminance higher than first luminance of a case where the first type of image is displayed on the display unit, in a case where the second type of image is displayed on the display unit; and   setting a mode to any of a plurality of modes using gradation characteristics different from one another at the time of imaging by a image sensor, the plurality of modes including at least a first mode using the first gradation characteristic and a second mode using the second gradation characteristic,   wherein in a case where a live view image being captured by the image sensor in the second mode is displayed, the controlling performs control such that the luminance of the display unit is set to brighter luminance than luminance of a case where a live view image being captured by the image sensor in the first mode is displayed.   
     
     
         18 . The non-transitory computer readable storage medium according to  claim 17 , wherein the performing performs control such that the luminance of the display unit is set to the first luminance in response to a screen switching from a state in which the second type of image is displayed with the luminance of the display unit set to the second luminance to a state in which a video image that is not the captured image is displayed. 
     
     
         19 . The non-transitory computer readable storage medium according to  claim 17 , wherein in a case where a luminance setting of the display unit is a luminance setting as bright as or brighter than a predetermined value, the performing performs control such that an output gamma characteristic with which the second type of image is output on the display unit is set to a second output gamma characteristic that enables a low-luminance side to be displayed more brightly than a first output gamma characteristic with which the first type of image is output on the display unit.