Abstract: An apparatus includes a first brightness value acquisition unit configured to obtain a first absolute brightness value by converting a representative brightness value of an image obtained using an image pickup unit, into absolute brightness, a first determination unit configured to determine an output value based on an input-output characteristic of an output device, the output value corresponding to the first absolute brightness value obtained by the first brightness value acquisition unit, and a second determination unit configured to determine information about exposure corresponding to the output value.

Abstract: An image processing apparatus comprises: a conversion unit configured to convert a characteristic of an image signal; and a display control unit configured to generate information indicating a relationship of image signals before and after conversion is performed by the conversion unit, and cause a display to display the information indicating a relationship of image signals, wherein the display control unit generates the information indicating a relationship of image signals, so as to include information indicating a relationship of scales of signals before and after conversion and information indicating a relationship of signal values before and after conversion.

Abstract: An image processing apparatus comprises: a conversion unit configured to convert a characteristic of an image signal; and a display control unit configured to generate information indicating a relationship of image signals before and after conversion is performed by the conversion unit, and cause a display to display the information indicating a relationship of image signals, wherein the display control unit generates the information indicating a relationship of image signals, so as to include information indicating a relationship of scales of signals before and after conversion and information indicating a relationship of signal values before and after conversion.

Abstract: An image processing apparatus receives an input of an image signal obtained by imaging an object, and performs signal conversion on the image signal to output the image signal to a display apparatus. The image processing apparatus includes a calculation unit configured to calculate an absolute luminance value of the object from a luminance value of the object acquired from the image signal and an exposure parameter in the imaging, a determination unit configured to determine a predetermined absolute luminance code for the luminance value of the object according to input-output characteristics of the display apparatus so that the object is displayed at the absolute luminance value on the display apparatus, and a conversion unit configured to perform signal conversion for converting the image signal based on a relationship between the luminance value of the object and the absolute luminance code.

Abstract: An image processing apparatus receives an input of an image signal obtained by imaging an object, and performs signal conversion on the image signal to output the image signal to a display apparatus. The image processing apparatus includes a calculation unit configured to calculate an absolute luminance value of the object from a luminance value of the object acquired from the image signal and an exposure parameter in the imaging, a determination unit configured to determine a predetermined absolute luminance code for the luminance value of the object according to input-output characteristics of the display apparatus so that the object is displayed at the absolute luminance value on the display apparatus, and a conversion unit configured to perform signal conversion for converting the image signal based on a relationship between the luminance value of the object and the absolute luminance code.

Abstract: An apparatus includes a first brightness value acquisition unit configured to obtain a first absolute brightness value by converting a representative brightness value of an image obtained using an image pickup unit, into absolute brightness, a first determination unit configured to determine an output value based on an input-output characteristic of an output device, the output value corresponding to the first absolute brightness value obtained by the first brightness value acquisition unit, and a second determination unit configured to determine information about exposure corresponding to the output value.