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Panorama splicing method based on camera self-calibration technology, and device thereof

A technology of camera equipment and splicing device, applied in the field of panoramic image splicing method and device, can solve the problems of difficult to determine positional relationship, poor effect, and limited application and promotion of panoramic images.

Active Publication Date: 2010-10-20
TSINGHUA UNIV
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

In practice, it is difficult to determine this positional relationship. Generally speaking, if you need to shoot high-quality panoramas, you need professionals and expensive equipment, such as making the camera look around on a fixed tripod, etc.
Panorama stitching algorithms that do not require image location relationships often do not work well and cannot generate high-quality panoramas
This makes the application and promotion of panoramas very limited

Method used

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  • Panorama splicing method based on camera self-calibration technology, and device thereof
  • Panorama splicing method based on camera self-calibration technology, and device thereof
  • Panorama splicing method based on camera self-calibration technology, and device thereof

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Embodiment Construction

[0014] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0015] The invention applies self-calibration technology to panorama splicing, allowing users to freely shoot scenes with a handheld camera device, and then obtains internal and external parameters of each image through post-processing calculations, and then realizes splicing and fusion of panoramas. Among them, camera equipment calibration technology is an important branch in the field of computer vision, which is used to restore and calibrate the internal and external parameters of the camera. Traditional calibration techniques need to...

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Abstract

The invention provides a panorama splicing method based on camera self-calibration technology, comprising the following steps of: using a plurality of cameras for collecting the panorama image of the scene; calibrating internal parameters and external parameters of the cameras by self-calibration algorithm according to the collected image; according to the calibrated internal parameters and external parameters of the cameras, selecting a best calibration plane, and correcting the image to the best calibration plane; and splicing all the images on the best calibration plane into a whole image, and fusing the overlapping regions of the whole image. The invention adopts the self-calibration technology based on absolute pairing quadric surface to automatically recover the internal parameters and the external parameters of the cameras, so that a hand-hold camera can be used by non-professional staff without a professional device.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a method and device for stitching panoramas based on self-calibration technology of camera equipment. Background technique [0002] Panorama technology is a form of virtual reality. A panorama in a general sense refers to a large-view image representation of the real world, which can be a painting, photography, video, or a three-dimensional model of a scene. The panorama mentioned in the present invention refers to a panoramic image representation based on photography or video. Panorama stitching technology is a virtual reality technology that generates realistic graphics based on image rendering technology. Panorama stitching technology mainly achieves a look around the scene by splicing images. [0003] Most of the existing panorama stitching algorithms need to know the positional relationship of the image sequence. The images are thus corrected and matched. In prac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/50G06T7/00
Inventor 戴琼海岳涛
Owner TSINGHUA UNIV
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