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Method and device for correcting translation error between images shot by two cameras

A dual-camera, translational error technology, applied in image communication, stereo systems, electrical components, etc., can solve problems such as the inability to completely eliminate dual-camera installation errors, and achieve the effect of convenient maintenance and elimination of translational errors

Active Publication Date: 2014-12-10
ZTE CORP
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Problems solved by technology

Therefore, the installation error between the dual cameras cannot be completely eliminated

Method used

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  • Method and device for correcting translation error between images shot by two cameras
  • Method and device for correcting translation error between images shot by two cameras
  • Method and device for correcting translation error between images shot by two cameras

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[0029] In the prior art, cameras all use lenses as lenses to achieve the purpose of imaging. When light in all directions passes through the lens, it will be deflected, changing the direction of light propagation. But there is a point on the lens, when light in any direction passes through this point, the propagation direction of the light remains unchanged, that is, the outgoing direction and the incident direction are parallel to each other. This point is called the optical center of the lens, or optical center for short. In the present invention, the calibration position of the camera is determined based on the optical center of the lens.

[0030] The basic idea of ​​the present invention is: use dual cameras to shoot the calibration object at the same time, respectively obtain the calibration image for the left eye and the calibration image for the right eye; determine the translation error between the dual cameras according to the position of the calibration object in the...

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Abstract

A method for correcting translation error of images picked up by two cameras is disclosed by the present invention. The method includes: picking up calibration objects by using the two cameras simultaneously to obtain a left eye calibration image and a right eye calibration image respectively (401); determining the translation error between the two cameras according to the positions of the calibration objects in the two calibration images and saving the translation error (402); and correcting the images picked up by the two cameras according to the saved translation error (403). A device for correcting translation error of images picked up by the two cameras is also disclosed by the present invention. According to the method and device, the translation error between the two cameras can be eliminated effectively, and viewers can watch clear stereo images.

Description

technical field [0001] The invention relates to a stereo shooting technology with dual cameras, in particular to a method and device for correcting translation errors of images captured by dual cameras. Background technique [0002] In the prior art, the stereoscopic display of pictures or images is realized by utilizing the parallax characteristic of binoculars, and the methods mainly include: color division method, light division method, time division method and grating method, etc. Although the specific implementation methods are different, the basic starting point is the same, and the principles are generally similar, that is, using two cameras placed side by side to represent the left eye and right eye of a person, and using the two cameras to simultaneously shoot two images with a slight horizontal parallax. screen. When projecting, the left-eye film and the right-eye film are loaded into the left-eye projection device and the right-eye projection device respectively,...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N13/00H04N13/239
CPCH04N13/0239H04N13/0246H04N13/246H04N13/239
Inventor 李春雨张薇李志远
Owner ZTE CORP
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