Image display apparatus and image display method

• US 8,022,961 B2
• Filed: 10/18/2010
• Issued: 09/20/2011
• Est. Priority Date: 09/29/2005
• Status: Expired

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Sanno, Masato
• Primary Examiner(s): Wu; Xiao
• Assistant Examiner(s): Tseng; Charles
• Application Number:
  US12/906,854
• Publication Number:
  US 20110032408A1
• Time in Patent Office: 337 Days
• Field of Search: 345/581, 345660-688, 382/293, 382/295, 382298- 99
• US Class Current: 345/581
• CPC Class Codes: G09G 2340/0442 Handling or displaying different aspect ratios, or changing the aspect ratio
• CPC Class Codes: G09G 5/34 for rolling or scrolling
• CPC Class Codes: G09G 5/346 for systems having a bit-mapped display memory
• CPC Class Codes: H04N 1/0044 for image preview or review, e.g. to help the user position a sheet
• CPC Class Codes: H04N 1/00453 arranged in a two dimensional array
• CPC Class Codes: H04N 1/00461 marking or otherwise tagging one or more displayed image, e.g. for selective reproduction
• CPC Class Codes: H04N 2101/00 Still video cameras
• CPC Class Codes: H04N 23/631 Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
• CPC Class Codes: H04N 23/635 Region indicators; Field of view indicators
• CPC Class Codes: H04N 7/0122 the input and the output signals having different aspect ratios

Abstract

The system control section 50 displays the entire original image as a display image, or scrolls a display image with a part of the original image being the display image, depending on relationship between the aspect ratios of the original image and the display area.

Claims

1. An image pickup apparatus which can display an image on a predetermined display area whose aspect ratio is different from that of said image, comprising:

a first resizing unit adapted to obtain a first resized image by resizing the entirety of said image using a larger magnification out of a first magnification and a second magnification, the first magnification being for matching the size of the entirety of said image in a horizontal direction with the size of said display area in the horizontal direction and the second magnification being for matching the size of the entirety of said image in a vertical direction with the size of said display area in the vertical direction, the vertical direction being a direction different from the horizontal direction;

a second resizing unit adapted to obtain a second resized image by resizing said image using a magnification smaller than the other magnification of said first magnification and said second magnification;

a determination unit adapted to, in accordance with a currently-set display mode for the image pickup apparatus in displaying the image, automatically determine whether (i) to perform scrolling display wherein a partial area, whose size in the first direction matches the size of the display area in the first direction, of the first resized image is displayed on the display area while scrolling the first resized image only in a second direction in which the size of the entirety of the first resized image in the second direction does not match the size of the display area in the second direction, or (ii) to perform full-screen display wherein the entirety of said second resized image being displayed without said first resized image being displayed; and

a display control unit adapted to perform said scrolling display or said full-screen display in accordance with the determination by the determination unit,

wherein the determination unit performs said automatic determination based on whether or not said currently-set display mode is a REC review display mode for displaying a picked up image immediately after the image is picked up,

wherein the determination unit determines to perform said full-screen display, not said scrolling display, if the currently-set display mode is the REC review display mode, and

wherein the determination unit determines to perform said scrolling display if the currently-set display mode is a predetermined display mode other than the REC review display mode.

2. An image display method for displaying an image on a predetermined display area of an image pickup apparatus, the predetermined display area having an aspect ratio different from that of said image, the image display method comprising:

a first resizing step of obtaining a first resized image by resizing the entirety of said image using a larger magnification out of a first magnification and a second magnification, the first magnification being for matching the size of the entirety of said image in a horizontal direction with the size of said display area in the horizontal direction and the second magnification being for matching the size of the entirety of said image in a vertical direction with the size of said display area in the vertical direction, the vertical direction being a direction different from the horizontal direction;

a second resizing step of obtaining a second resized image by resizing said image using a magnification smaller than the other magnification of said first magnification and said second magnification;

a determination step of, in accordance with a currently-set display mode for the image pickup apparatus in displaying the image, automatically determining whether (i) to perform scrolling display wherein a partial area, whose size in the first direction matches the size of the display area in the first direction, of the first resized image is displayed on the display area while scrolling the first resized image only in a second direction in which the size of the entirety of the first resized image in the second direction does not match the size of the display area in the second direction, or (ii) to perform full-screen display wherein the entirety of said second resized image being displayed without said first resized image being displayed; and

a display control step of performing said scrolling display or said full-screen display in accordance with the determination in the determination step,

wherein the determination step performs said automatic determination based on whether or not said currently-set display mode is a REC review display mode for displaying a picked up image immediately after the image is picked up,

wherein the determination step determines to perform said full-screen display, not said scrolling display if the currently-set display mode is the REC review display mode, and

wherein the determination step determines to perform said scrolling display if the currently-set display mode is a predetermined display mode other than the REC review display mode.

3. A non-transitory computer-readable storage medium storing a computer program for causing a computer to execute an image display method for displaying an image on a predetermined display area of an image pickup apparatus, the predetermined display area having an aspect ratio different from that of said image, the image display method comprising:

a first resizing step of obtaining a first resized image by resizing the entirety of said image using a larger magnification out of a first magnification and a second magnification, the first magnification being for matching the size of the entirety of said image in a horizontal direction with the size of said display area in the horizontal direction and the second magnification being for matching the size of the entirety of said image in a vertical direction with the size of said display area in the vertical direction, the vertical direction being a direction different from the horizontal direction;

a second resizing step of obtaining a second resized image by resizing said image using a magnification smaller than the other magnification of said first magnification and said second magnification;

a determination step of, in accordance with a currently-set display mode for the image pickup apparatus in displaying the image, automatically determining whether (i) to perform scrolling display wherein a partial area, whose size in the first direction matches the size of the display area in the first direction, of the first resized image is displayed on the display area while scrolling the first resized image only in a second direction in which the size of the entirety of the first resized image in the second direction does not match the size of the display area in the second direction, or (ii) to perform full-screen display wherein the entirety of said second resized image being displayed without said first resized image being displayed; and

a display control step of performina said scrolling display or said full-screen display in accordance with the determination in the determination step,

wherein the determination step performs said automatic determination based on whether or not said currently-set display mode is a REC review display mode for displaying a picked up image immediately after the image is picked up,

wherein the determination step determines to perform said full-screen display, not said scrolling display, if the currently-set display mode is the REC review display mode, and

wherein the determination step determines to perform said scrolling display if the currently-set display mode is a predetermined display mode other than the REC review display mode.

4. An image display control apparatus for displaying an image on a predetermined display area whose aspect ratio is different from that of said image, comprising:

a first resizing unit adapted to obtain a first resized image by resizing the entirety of said image using a larger magnification out of a first magnification and a second magnification, the first magnification being for matching the size of the entirety of said image in a horizontal direction with the size of said display area in the horizontal direction and the second magnification being for matching the size of the entirety of said image in a vertical direction with the size of said display area in the vertical direction, the vertical direction being a direction different from the horizontal direction;

a second resizing unit adapted to obtain a second resized image by resizing said image using a magnification smaller than the other magnification of said first magnification and said second magnification;

a determination unit adapted to, in accordance with a currently-set display mode for the image display control apparatus in displaying the image, automatically determine whether (i) to perform scrolling display wherein a partial area, whose size in the first direction matches the size of the display area in the first direction, of the first resized image is displayed on the display area while scrolling the first resized image only in a second direction in which the size of the entirety of the first resized image in the second direction does not match the size of the display area in the second direction, or (ii) to perform full-screen display wherein the entirety of said second resized image being displayed without said first resized image being displayed; and

a display control unit adapted to perform said scrolling display or said full-screen display in accordance with the determination by the determination unit;

wherein the determination unit performs said automatic determination based on whether or not said currently-set display mode is a slide show display mode for automatic serial display of images,

wherein the determination unit determines to perform said full-screen display, not said scrolling display, if the currently-set display mode is the slide show display mode and a display time set as a time for displaying respective one of images in the slide show display mode is within a predetermined time, and

wherein the determination unit determines to perform said scrolling display if the currently-set display mode is the slide show display mode and said display time is longer than the predetermined time.

5. The image display control apparatus according to claim 4, wherein

the display control unit stops said scrolling display if an instruction is made by a user to switch to a next image when said scrolling display is being performed in the slide show display mode.

6. The image display control apparatus according to claim 4, further comprising an image pickup unit for picking up an image, wherein:

the determination unit determines to perform said full-screen display, not said scrolling display, if the currently-set display mode is the REC review display mode; and

the determination unit determines to perform said full-screen display, not said scrolling display, if the currently-set display mode is the slide show display mode.

7. The image display control apparatus according to claim 6 further comprising a recording unit adapted to record information indicating that said image has once undergone the scrolling display in a case that the display control unit performs the scrolling display on said image,

wherein based on the information recorded by the recording unit, if an image to be displayed has once undergone the scrolling display, said determination unit determines to perform the full-screen display irrespective of the currently-set display mode.

8. An image display method for displaying an image on a predetermined display area of an image display control apparatus, the predetermined display area having an aspect ratio different from that of said image, the image display method comprising:

a first resizing step of obtaining a first resized image by resizing the entirety of said image using a larger magnification out of a first magnification and a second magnification, the first magnification being for matching the size of the entirety of said image in a horizontal direction with the size of said display area in the horizontal direction and the second magnification being for matching the size of the entirety of said image in a vertical direction with the size of said display area in the vertical direction, the vertical direction being a direction different from the horizontal direction;

a second resizing step of obtaining a second resized image by resizing said image using a magnification smaller than the other magnification of said first magnification and said second magnification;

a determination step of, in accordance with a currently-set display mode for the image display control apparatus in displaying the image, automatically determining whether (i) to perform scrolling display wherein a partial area, whose size in the first direction matches the size of the display area in the first direction, of the first resized image is displayed on the display area while scrolling the first resized image only in a second direction in which the size of the entirety of the first resized image in the second direction does not match the size of the display area in the second direction, or (ii) to perform full-screen display wherein the entirety of said second resized image being displayed without said first resized image being displayed; and

a display control step of performing said scrolling display or said full-screen display in accordance with the determination in the determination step,

wherein the determination step performs said automatic determination based on whether or not said currently-set display mode is a slide show display mode for automatic serial display of images,

wherein the determination step determines to perform said full-screen display, not said scrolling display, if the currently-set display mode is the slide show display mode and a display time set as a time for displaying respective one of images in the slide show display mode is within a predetermined time, and

wherein the determination step determines to perform said scrolling display if the currently-set display mode is the slide show display mode and said display time is longer than the predetermined time.

9. A non-transitory computer-readable storage medium storing a computer program for causing a computer to execute an image display method for displaying an image on a predetermined display area of an image display control apparatus, the predetermined display area having an aspect ratio different from that of said image, the image display method comprising:

a first resizing step of obtaining a first resized image by resizing the entirety of said image using a larger magnification out of a first magnification and a second magnification, the first magnification being for matching the size of the entirety of said image in a horizontal direction with the size of said display area in the horizontal direction and the second magnification being for matching the size of the entirety of said image in a vertical direction with the size of said display area in the vertical direction, the vertical direction being a direction different from the horizontal direction;

a second resizing step of obtaining a second resized image by resizing said image using a magnification smaller than the other magnification of said first magnification and said second magnification;

a determination step of, in accordance with a currently-set display mode for the image display control apparatus in displaying the image, automatically determining whether (i) to perform scrolling display wherein a partial area, whose size in the first direction matches the size of the display area in the first direction, of the first resized image is displayed on the display area while scrolling the first resized image only in a second direction in which the size of the entirety of the first resized image in the second direction does not match the size of the display area in the second direction, or (ii) to perform full-screen display wherein the entirety of said second resized image being displayed without said first resized image being displayed; and

a display control step of performing said scrolling display or said full-screen display in accordance with the determination in the determination step,

wherein the determination step performs said automatic determination based on whether or not said currently-set display mode is a slide show display mode for automatic serial display of images,

wherein the determination step determines to perform said full-screen display, not said scrolling display, if the currently-set display mode is the slide show display mode and a display time set as a time for displaying respective one of images in the slide show display mode is within a predetermined time, and

wherein the determination step determines to perform said scrolling display if the currently-set display mode is the slide show display mode and said display time is longer than the predetermined time.

10. An image pickup apparatus which can display an image on a predetermined display area whose aspect ratio is different from that of said image, comprising:

a first resizing unit adapted to obtain a first resized image by resizing the entirety of said image using a larger magnification out of a first magnification and a second magnification, the first magnification being for matching the size of the entirety of said image in a horizontal direction with the size of said display area in the horizontal direction and the second magnification being for matching the size of the entirety of said image in a vertical direction with the size of said display area in the vertical direction, the vertical direction being a direction different from the horizontal direction;

a second resizing unit adapted to obtain a second resized image by resizing said image using a magnification smaller than the other magnification of said first magnification and said second magnification;

a determination unit adapted to, in accordance with a currently-set display mode for the image pickup apparatus in displaying the image, automatically determine whether (i) to perform scrolling display wherein apartial area, whose size in the first direction matches the size of the display area in the first direction, of the first resized image is displayed on the display area while scrolling the first resized image only in a second direction in which the size of the entirety of the first resized image in the second direction does not match the size of the display area in the second direction, or (ii) to perform full-screen display wherein the entirety of said second resized image being displayed without said first resized image being displayed; and

a display control unit adapted to perform said scrolling display or said full-screen display in accordance with the determination by the determination unit,

wherein the determination unit performs said automatic determination based on whether or not said currently-set display mode is a REC review display mode for displaying a picked up image immediately after the image is picked up,

wherein the determination unit determines to perform said full-screen display, not said scrolling display, if the currently-set display mode is the REC review display mode and a display time set as a time for displaying an image in the REC review display mode is within a predetermined time, and

wherein the determination unit determines to perform said scrolling display if the currently-set display mode is the REC review display mode and said display time is longer than the predetermined time.

11. The image pickup apparatus according to claim 10, wherein:

the display control unit stops said scrolling display if an image pickup instruction is made by a user when said scrolling display is being performed in the REC review display mode.

12. An image display method for displaying an image on a predetermined display area of an image pickup apparatus, the predetermined display area having an aspect ratio different from that of said image, the image display method comprising:

a first resizing step of obtaining a first resized image by resizing the entirety of said image using a larger magnification out of a first magnification and a second magnification, the first magnification being for matching the size of the entirety of said image in a horizontal direction with the size of said display area in the horizontal direction and the second magnification being for matching the size of the entirety of said image in a vertical direction with the size of said display area in the vertical direction, the vertical direction being a direction different from the horizontal direction;

a second resizing step of obtaining a second resized image by resizing said image using a magnification smaller than the other magnification of said first magnification and said second magnification;

a determination step of, in accordance with a currently-set display mode for the image pickup apparatus in displaying the image, automatically determining whether (i) to perform scrolling display wherein a partial area, whose size in the first direction matches the size of the display area in the first direction, of the first resized image is displayed on the display area while scrolling the first resized image only in a second direction in which the size of the entirety of the first resized image in the second direction does not match the size of the display area in the second direction, or (ii) to perform full-screen display wherein the entirety of said second resized image being displayed without said first resized image being displayed; and

a display control step of performing said scrolling display or said full-screen display in accordance with the determination in the determination step,

wherein the determination step performs said automatic determination based on whether or not said currently-set display mode is a REC review display mode for displaying a picked up image immediately after the image is picked up,

wherein the determination step determines to perform said full-screen display, not said scrolling display, if the currently-set display mode is the REC review display mode and a display time set as a time for displaying an image in the REC review display mode is within a predetermined time, and

wherein the determination step determines to perform said scrolling display if the currently-set display mode is the REC review display mode and said display time is longer than the predetermined time.

13. A non-transitory computer-readable storage medium storing a computer program for causing a computer to execute an image display method for displaying an image on a predetermined display area of an image pickup apparatus, the predetermined display area having an aspect ratio different from that of said image, the image display method comprising:

a first resizing step of obtaining a first resized image by resizing the entirety of said image using a larger magnification out of a first magnification and a second magnification, the first magnification being for matching the size of the entirety of said image in a horizontal direction with the size of said display area in the horizontal direction and the second magnification being for matching the size of the entirety of said image in a vertical direction with the size of said display area in the vertical direction, the vertical direction being a direction different from the horizontal direction;

a second resizing step of obtaining a second resized image by resizing said image using a magnification smaller than the other magnification of said first magnification and said second magnification;

a determination step of, in accordance with a currently-set display mode for the image pickup apparatus in displaying the image, automatically determining whether (i) to perform scrolling display wherein a partial area, whose size in the first direction matches the size of the display area in the first direction, of the first resized image is displayed on the display area while scrolling the first resized image only in a second direction in which the size of the entirety of the first resized image in the second direction does not match the size of the display area in the second direction, or (ii) to perform full-screen display wherein the entirety of said second resized image being displayed without said first resized image being displayed; and

a display control step of performing said scrolling display or said full-screen display in accordance with the determination in the determination step,

wherein the determination step performs said automatic determination based on whether or not said currently-set display mode is a REC review display mode for displaying a picked up image immediately after the image is picked up,

wherein the determination step determines to perform said full-screen display, not said scrolling display, if the currently-set display mode is the REC review display mode and a display time set as a time for displaying an image in the REC review display mode is within a predetermined time, and

wherein the determination step determines to perform said scrolling display if the currently-set display mode is the REC review display mode and said display time is longer than the predetermined time.

14. An image display control apparatus for displaying an image on a predetermined display area whose aspect ratio is different from that of said image, comprising:

a first resizing unit adapted to obtain a first resized image by resizing the entirety of said image using a larger magnification out of a first magnification and a second magnification, the first magnification being for matching the size of the entirety of said image in a horizontal direction with the size of said display area in the horizontal direction and the second magnification being for matching the size of the entirety of said image in a vertical direction with the size of said display area in the vertical direction, the vertical direction being a direction different from the horizontal direction;

a second resizing unit adapted to obtain a second resized image by resizing said image using a magnification smaller than the other magnification of said first magnification and said second magnification;

a determination unit adapted to, in accordance with a currently-set display mode for the image display control apparatus in displaying the image automatically determine whether (i) to perform scrolling display wherein a partial area, whose size in the first direction matches the size of the display area in the first direction, of the first resized image is displayed on the display area while scrolling the first resized image only in a second direction in which the size of the entirety of the first resized image in the second direction does not match the size of the display area in the second direction, or (ii) to perform full-screen display wherein the entirety of said second resized image being displayed without said first resized image being displayed; and

a display control unit adapted to perform said scrolling display or said full-screen display in accordance with the determination by the determination unit,

wherein the determination unit performs said automatic determination based on whether or not said currently-set display mode is a slide show display mode for automatic serial display of images,

wherein the determination unit determines to perform said full-screen display, not said scrolling display, if the currently-set display mode is the slide show display mode and an effect setting is performed on the slide show, and

wherein the determination unit determines to perform said scrolling display if the currently-set display mode is the slide show display mode and an effect setting is not performed on the slide show.

15. An image display method for displaying an image on a predetermined display area of an image display control apparatus, the predetermined display area having an aspect ratio different from that of said image, the image display method comprising:

a first resizing step of obtaining a first resized image by resizing the entirety of said image using a larger magnification out of a first magnification and a second magnification, the first magnification being for matching the size of the entirety of said image in a horizontal direction with the size of said display area in the horizontal direction and the second magnification being for matching the size of the entirety of said image in a vertical direction with the size of said display area in the vertical direction, the vertical direction being a direction different from the horizontal direction;

a second resizing step of obtaining a second resized image by resizing said image using a magnification smaller than the other magnification of said first magnification and said second magnification;

a determination step of, in accordance with a currently-set display mode for the image display control apparatus in displaying the image, automatically determining whether (i) to perform scrolling display wherein a partial area, whose size in the first direction matches the size of the display area in the first direction, of the first resized image is displayed on the display area while scrolling the first resized image only in a second direction in which the size of the entirety of the first resized image in the second direction does not match the size of the display area in the second direction, or (ii) to perform full-screen display wherein the entirety of said second resized image being displayed without said first resized image being displayed; and

a display control step of performing said scrolling display or said full-screen display in accordance with the determination in the determination step,

wherein the determination step performs said automatic determination based on whether or not said currently-set display mode is a slide show display mode for automatic serial display of images,

wherein the determination step determines to perform said full-screen display, not said scrolling display, if the currently-set display mode is the slide show display mode and an effect setting is performed on the slide show, and

wherein the determination step determines to perform said scrolling display if the currently-set display mode is the slide show display mode and an effect setting is not performed on the slide show.

16. A non-transitory computer-readable storage medium storing a computer program for causing a computer to execute an image display method for displaying an image on a predetermined display area of an image display control apparatus, the predetermined display area having an aspect ratio different from that of said image, the image display method comprising:

a first resizing step of obtaining a first resized image by resizing the entirety of said image using a larger magnification out of a first magnification and a second magnification, the first magnification being for matching the size of the entirety of said image in a horizontal direction with the size of said display area in the horizontal direction and the second magnification being for matching the size of the entirety of said image in a vertical direction with the size of said display area in the vertical direction, the vertical direction being a direction different from the horizontal direction;

a second resizing step of obtaining a second resized image by resizing said image using a magnification smaller than the other magnification of said first magnification and said second magnification;

a determination step of, in accordance with a currently-set display mode for the image display control apparatus in displaying the image, automatically determining whether (i) to perform scrolling display wherein a partial area, whose size in the first direction matches the size of the display area in the first direction, of the first resized image is displayed on the display area while scrolling the first resized image only in a second direction in which the size of the entirety of the first resized image in the second direction does not match the size of the display area in the second direction, or (ii) to perform full-screen display wherein the entirety of said second resized image being displayed without said first resized image being displayed; and

a display control step of performing said scrolling display or said full-screen display in accordance with the determination in the determination step,

wherein the determination step performs said automatic determination based on whether or not said currently-set display mode is a slide show display mode for automatic serial display of images,

wherein the determination step determines to perform said full-screen display, not said scrolling display, if the currently-set display mode is the slide show display mode and an effect setting is performed on the slide show, and

wherein the determination step determines to perform said scrolling display if the currently-set display mode is the slide show display mode and an effect setting is not performed on the slide show.