Curved surface projection method and device of multi-camera panorama system

A multi-camera and surface projection technology, applied in the field of panoramic imaging, can solve problems such as blurred three-dimensional objects, unsatisfactory effective range, and lack of three-dimensional and realistic scenes.

Active Publication Date: 2013-04-24
SHENZHEN PERCHERRY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The scene seems to lack three-dimensionality and realism;
[0005] 2. The effective range displayed is not ideal;
[0006] 3. For some three-dimensional object

Method used

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  • Curved surface projection method and device of multi-camera panorama system
  • Curved surface projection method and device of multi-camera panorama system

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Embodiment 1

[0047] An embodiment of the present invention provides a curved surface projection method for a multi-camera panorama system, such as figure 1 shown, including the following steps.

[0048] Step 1: Acquire the distorted image of the wide-angle camera.

[0049] The camera is the key component for obtaining images in the panoramic system. Cameras, digital cameras, scanners, etc. are collectively referred to as image sensors, which convert the optical signal of the processed target object into a video electrical signal, and then A / D convert this signal and After being sent to the processor, the target object can be processed, analyzed and identified. Therefore, the step 1 in the embodiment of the present invention is not limited to acquiring the distorted image of the wide-angle camera, and the acquisition of the distorted image of the digital camera and scanner is also within the scope of this step 1.

[0050] In this step, the wide-angle camera is a wide-angle camera in all d...

Embodiment 2

[0071] Based on the above method, an embodiment of the present invention provides a curved projection device for a multi-camera panoramic system, including:

[0072] A distorted image acquisition unit, configured to acquire a distorted image of a wide-angle camera;

[0073] a correction unit, configured to perform distortion correction on the distorted image to generate an undistorted image;

[0074] The three-dimensional curved surface projection unit is used for projecting the distortion-free image onto the three-dimensional curved surface to generate a panoramic image.

[0075] The correction unit includes: a coordinate transformation unit for establishing the functional relationship between the world coordinates and the camera coordinates; a camera coordinate correction unit for correcting the camera coordinates; an image coordinate generation unit for establishing the function of the camera coordinates and the image coordinates Correspondence; an interpolation unit, used...

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Abstract

The invention discloses a curved surface projection method of a multi-camera panorama system. The method comprises the following steps: obtaining a distortion image of a wide-angled camera; carrying out distortion adjusting to the distortion image and generating a distortionless image; and projecting the distortionless image to a three-dimensional surface and generating a panoramic image. According to the curved surface projection method of the multi-camera panorama system, the distortionless image is firstly obtained through distortion adjusting, and then a three-dimensional surface model is built, and moreover, coordinate transformation is unified according to the coordinate value Zc of Z-axis of the three-dimensional surface model. Finally, the distortionless image is projected to the three-dimensional curved surface model, and panoramic imaging on the surface is achieved. Compared with the prior panoramic imaging technique, the curved surface projection method of the multi-camera panorama system has the advantages that scene has a third dimension sense and is relatively real when the scene is looked; effective range displayed is greatly enlarged; and shape and outline of an three-dimensional object can be figured out when the object is projected to the curved surface, and problem of vagueness when the three-dimensional object is projected to the flat surface is effectively solved.

Description

technical field [0001] The present invention relates to the technical field of panoramic imaging, in particular to a curved surface projection method and device for a multi-camera panoramic system, in particular to a curved surface projection method and device for a multi-camera panoramic system in a vehicle-mounted system. Background technique [0002] In recent years, with the advancement of optical technology, microelectronic technology and computer technology, stereoscopic display technology has also achieved rapid development. Displays have always been the electronic products that people come into contact with most frequently, and the advancement of display technology also represents that human beings are pursuing more realistic visual enjoyment. From the early black and white TVs to color TVs to the current high-definition TVs, all of them pursue more natural and realistic image quality, and the development of stereoscopic display technology provides people with a furt...

Claims

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Application Information

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IPC IPC(8): G06T7/00
Inventor 潘兴伟张本富胡振营蔡泽学
Owner SHENZHEN PERCHERRY TECH
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