Spherical mosaic method and system of video image

A video image and splicing system technology, applied in the field of image processing, can solve the problems of video images that cannot be processed separately, high computer configuration requirements, and large mutual interference, and achieve low computer configuration requirements, good display effects, and small blind spots. Effect

Active Publication Date: 2016-07-06
GUILIN CHANGHAI DEV
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Problems solved by technology

[0002] Spherical stitching is to splice images from different angles taken by multiple cameras into a spherical panoramic image. Some current spherical stitching algorithms are complex, and each video im...

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  • Spherical mosaic method and system of video image
  • Spherical mosaic method and system of video image
  • Spherical mosaic method and system of video image

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Embodiment Construction

[0057] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0058] Such as figure 1 Shown, a kind of spherical splicing method of video image comprises the following steps:

[0059] Step S1: Calibrate each parameter in the camera, each parameter includes imaging center, radial distortion and tangential distortion;

[0060] Step S2: Select an area with a size of m×n pixels on the video image of the camera, and perform correction calculations for each position in the m×n pixel area according to the calibrated parameters, so as to obtain each position in the m×n pixel area Position relationship matrix M before and after position correction m×n , where m and n are the length and width of the pixel area;

[0061] Step S3: According to the position relationship matrix M m×n Ad...

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Abstract

The invention provides a spherical mosaic method and system of a video image. The system comprises a calibration module, an area correction module, a total graph regulation module, a cutting module, a rotating and scaling module and a display module, wherein the calibration module is used for calibrating each parameter in a camera; the area correction module is used for correcting each position in a set area; the total graph regulation module is used for regulating each position in each path of video image; the cutting module is sued for cutting each path of video image; the rotating and scaling module is used for rotating and scaling each path of video image; and the display module is used for displaying on a spherical model. The spherical mosaic method realized by the invention is simple and is low in configuration required by a computer, each path of video image is independently processed and does not mutually interfere, and therefore, processing speed is high. High instantaneity still can be obtained under the mosaic of multiple paths of high-resolution cameras. The system can be applied to real-time video mosaic and is combined with an OpenGL (Graphics Library) graphic program interface to project each path of image to be displayed on the spherical model to achieve a good display effect; and meanwhile, the system is suitable for the mosaic of a wide angle camera and has the advantages of small blind point area and high practicality.

Description

technical field [0001] The invention mainly relates to the field of image processing, in particular to a video image spherical splicing method and system. Background technique [0002] Spherical stitching is to splice images from different angles taken by multiple cameras into a spherical panoramic image. Some current spherical stitching algorithms are complex, and each video image cannot be processed separately, with large mutual interference, poor real-time performance, slow processing speed, and computer configuration. Disadvantages such as high requirements and large blind spots. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a video image spherical splicing method and system. The spherical splicing method realized is simple, and the graphics processor GPU is used to correct, crop, and zoom each image separately. The computer requires a lower configuration. The images are processed separately without interf...

Claims

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Application Information

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IPC IPC(8): G06T3/40G06T3/60
CPCG06T3/4038G06T3/60
Inventor 曾日金周海波梁秋波秦忠华王珅陈柏宏何青政
Owner GUILIN CHANGHAI DEV
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