DISPLAY IMAGE FORMATION DEVICE AND DISPLAY IMAGE FORMATION METHOD

• US 20150109452A1
• Filed: 04/24/2013
• Published: 04/23/2015
• Est. Priority Date: 05/08/2012
• Status: Active Grant

• Current Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Corporation (Panasonic Holdings Corporation)
• Inventors: Fujimatsu, Takeshi, Miwa, Michio
• Granted Patent: US 10,051,244 B2
• Time in Patent Office: Days
• US Class Current: 348/159
• CPC Class Codes: G06T 3/047 Fisheye or wide-angle transformations
• CPC Class Codes: G06T 3/4038 Image mosaicing, e.g. composing plane images from plane sub-images
• CPC Class Codes: G08B 13/19641 Multiple cameras having overlapping views on a single scene
• CPC Class Codes: G08B 13/19682 Graphic User Interface [GUI] presenting system data to the user, e.g. information on a screen helping a user interacting with an alarm system
• CPC Class Codes: G08B 13/19689 Remote control of cameras, e.g. remote orientation or image zooming control for a PTZ camera
• CPC Class Codes: H04N 7/181 for receiving images from a plurality of remote sources

Abstract

Provided is a display image formation device with which it is possible to designate in an intuitive manner a location which the user wishes to see when multiple panoramic images obtained by multiple panoramic cameras exist, and with which the image for a designated site can be displayed in a suitable state. A camera selection unit (12) selects one panoramic camera (20) from multiple panoramic cameras (20) on the basis of the positional relationship between a designated position on a planar map and the multiple panoramic cameras (20). An extraction parameter determination unit (14) determines an extracted image region, which is extracted from the image photographed by the panoramic camera (20) selected by the camera selection unit (12). A drawing unit (15) forms a display image wherein the extracted image is arranged on the planar map.

Claims

1. A display image formation apparatus comprising:

a camera selection section that selects one omni-directional camera from among a plurality of omni-directional cameras based on a positional relationship between a designated position on a plan map and positions of the plurality of omni-directional cameras;

an extraction region determining section that determines an extracted image region to be extracted from an image captured by the omni-directional camera selected by the camera selection section; and

a drawing section that forms a display image including the extracted image placed on the plan map.

2. The display image formation apparatus according to claim 1, wherein a resolution of the extracted image to be displayed is changed according to a distance from a center of the image captured by the selected omni-directional camera to the determined extracted image region.

3. The display image formation apparatus according to claim 1, wherein a resolution of the extracted image to be displayed is changed according to a distance from the position at which the selected omni-directional camera is located to a photographing target region corresponding to the determined extracted image region.

4. The display image formation apparatus according to claim 1, wherein the camera selection section does not change any omni-directional camera to be selected, while the designated position is being dragged.

5. The display image formation apparatus according to claim 1, wherein, when the omni-directional camera selected by the camera selection section is changed, the extraction region determining section changes an angle of view of the extracted image region to a wide angle before and after the change.

6. The display image formation apparatus according to claim 1, wherein the camera selection section selects the omni-directional camera based on the designated position designated by a user and a sight line direction designated by the user.

7. The display image formation apparatus according to claim 6, wherein the drawing section forms a display image including a camera icon for designating the sight line direction placed on the plan map.

8. The display image formation apparatus according to claim 1, wherein the drawing section forms a display image including a field of view corresponding to the extracted image placed on a same screen as the extracted image determined by the extraction region determining section.

9. The display image formation apparatus according to claim 1, wherein the drawing section forms a display image including an image for designating a time corresponding to the extracted image placed on a same screen as the extracted image determined by the extraction region determining section.

10. A display image formation method comprising:

selecting one omni-directional camera from among a plurality of omni-directional cameras based on a positional relationship between a designated position on a plan map and positions of the plurality of omni-directional cameras;

determining an extracted image region to be extracted from an image captured by the selected omni-directional camera; and

forming a display image including the extracted image placed on the plan map.