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Method and camera system for combining views from multiple cameras

A technology of camera and view, applied in closed-circuit television system, components of television system, stereo system, etc.

Active Publication Date: 2021-09-14
AXIS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, such methods are flawed

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  • Method and camera system for combining views from multiple cameras
  • Method and camera system for combining views from multiple cameras
  • Method and camera system for combining views from multiple cameras

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Embodiment Construction

[0036] The invention relates to the stitching of images captured by cameras positioned at predetermined and fixed positions.

[0037] now refer to Figure 5 , shows a system 500 for capturing and stitching images. A system 500 implementing an embodiment of the present invention may include two digital video cameras 502, 504 mounted to capture digital image data of overlapping scenes. Overlapping scenes are intended to mean: a scene captured by one of the digital video cameras 502 , 504 including a part of a scene captured by the other digital video camera 504 . This common portion of the captured scene is referred to as video overlay 110 hereinafter. The two cameras capture images that together represent the overall scene 105 . The digital video cameras 502, 504 are mounted at a certain distance d from each other, and the direction 106, 108 of the optical axis of each camera may also be known. exist Figure 5 In , the optical axes of the cameras 502, 504 are parallel, but...

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Abstract

The present application discloses methods and camera systems for combining views from multiple cameras. The invention relates to a method and camera system for stitching video data from two image sensors arranged to each capture video data of overlapping camera views. The method includes: detecting motion in an area of ​​the camera views corresponding to the overlapping camera views; determining an active distance, which is the distance from a location at the two image sensors to an active location including the detected motion; positioning a predefined projection surface in a coordinate system at a location having a distance corresponding to the determined activity distance between the location at the image sensor and the location of the projection of the activity onto the projection surface; Video data from each image sensor is projected onto a predefined projection surface positioned at the active distance; outputting a two-dimensional video corresponding to the projection onto the projection surface.

Description

technical field [0001] The invention relates to a method and camera system for splicing videos from multiple cameras. Background technique [0002] In some monitoring systems it is of interest to monitor a large area as a whole, ie not just a smaller part of the area. This can be achieved using a wide-angle lens such as a fisheye lens. However, that setup may provide lower resolution video than is required by a party interested in monitoring the area, or it may be too expensive. An alternative to a fisheye arrangement is to deploy two or more cameras, each capturing a video stream of a portion of the area to be monitored, and then stitch the video together into a single video stream. exist figure 1 In , an example is shown with 2 cameras 102, 104 which together monitor an area 105 which is larger than they can monitor individually. [0003] Each camera is individually oriented in directions 106, 108, respectively, and captures a view that is part of the overall scene 105...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/232H04N5/247H04N5/265H04N7/18H04N9/31H04N23/90
CPCH04N5/265H04N7/181H04N9/3179H04N23/61H04N23/80H04N23/90A61B6/5241H04N23/698H04N13/156H04N13/282H04N13/363G08B13/19608G08B13/19641G08B13/19606
Inventor 约翰·斯特宁汉普斯·林瑟袁嵩
Owner AXIS
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