Image pick-up apparatus, an image processing apparatus and an image processing method, for displaying image data on an external display with appropriate color space conversion based on resolution of image data and external display
View Patent ↗An image pick-up apparatus includes an image pick-up device, a storage media which stores an image picked up by the image pick up device, a color space converter which converts a color space of the image; a storage media reader which reads out the image from the storage media, an external display interface, a coefficient determiner which determines a coefficient for color conversion based on comparison between a resolution of the image read out by the storage media reader and a resolution of a display which is connected to the external display interface, and a display controller which outputs the image of which color is converted by the color space converter based on the coefficient for color conversion to the display.
1. An image pick-up apparatus comprising:
an image pick-up device;
a storage media which stores an image picked up by the image pick up device;
a storage media reader which reads out the image from the storage media;
an external display interface which is connectable to a display;
a coefficient determiner which determines a coefficient for color conversion based on a comparison between a resolution of the image read out by the storage media reader and a resolution of a display which is connected to the external display interface, wherein the coefficient determiner determines the coefficient as a first coefficient when the resolution of the image read out by the storage media reader is high definition, and determines the coefficient as a second coefficient when the resolution of image read out by the storage media reader is not high definition;
a color space converter which converts a color space of the image read out by the storage media controller based on the coefficient for color conversion determined by the coefficient determiner; and
a display controller which outputs the image with the color space converted by the color space converter.
2. The image pick-up apparatus according to claim 1 , wherein the coefficient determiner determines the coefficient as the first coefficient when the resolution of the display which is connected to the external display interface is not high definition, and determines the coefficient as the second coefficient when the resolution of the display which is connected to the external display interface is high definition.
3. The image pick-up apparatus according to claim 2 , wherein the first coefficient is a coefficient for color conversion from ITU-R709 to ITU-R601, and the second coefficient is a coefficient for color conversion from ITU-R601 to ITU-R709.
4. The image pick-up apparatus according to claim 1 , wherein the color space converter performs a color conversion different from movie color conversion on an image picked up by the image pick-up device, and the storage media stores the converted image as a still image, when a predetermined operation by a user is detected during movie capturing.
5. An image processing apparatus comprising:
a storage media reader which reads out an image from a storage media;
an external display interface which is connectable to a display;
a coefficient determiner which determines a coefficient for color conversion based on a comparison between a resolution of the image read out by the storage media reader and a resolution of a display which is connected to the external display interface, wherein the coefficient determiner determines the coefficient as a first coefficient when the resolution of the image read out by the storage media reader is high definition, and determines the coefficient as a second coefficient when the resolution of image read out by the storage media reader is not high definition;
a color space converter which converts a color space of the image read out by the storage media reader based on the coefficient determined by the coefficient determiner; and
a display controller which outputs the image with the color space converted by the color space converter.
6. The image processing apparatus according to claim 5 , wherein the coefficient determiner determines the coefficient as the first coefficient when the resolution of the display which is connected to the external display interface is not high definition, and determines the coefficient as the second coefficient when the resolution of the display which is connected to the external display interface is high definition.
7. The image processing apparatus according to claim 6 , wherein the first coefficient is a coefficient for color conversion from ITU-R709 to ITU-R601, and the second coefficient is a coefficient for color conversion from ITU-R601 to ITU-R709.
8. An image processing method comprising:
reading out an image from a storage media;
determining a coefficient for color conversion based on a comparison between a resolution of the read out image and a resolution of a display which is connected to an external display interface, wherein the coefficient is determined as a first coefficient when the resolution of the read out image is high definition, and the coefficient is determined as a second coefficient different from the first coefficient when the resolution of the read out image is not high definition;
converting a color space of the read out image using the coefficient;
outputting the converted image.
9. The image processing method according to claim 8 , wherein the coefficient is determined as the first coefficient when the resolution of the display which is connected to the external display interface is not high definition, and the coefficient is determined as the second coefficient when the resolution of the display which is connected to the external display interface is high definition.
10. The image processing method according to claim 9 , wherein the first coefficient is a coefficient for color conversion from ITU-R709 to ITU-R601, and the second coefficient is a coefficient for color conversion from ITU-R601 to ITU-R709.