Boundary reproduction method applied to image splicing

An image splicing and image technology, applied in the field of images, can solve the problems of pixel value difference, abrupt jumps in visual viewing of images, affecting the viewing comfort of video images, etc.

Inactive Publication Date: 2016-09-28
安徽伟合电子科技有限公司
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Problems solved by technology

[0003] Because different cameras shoot at different angles, the pictures obtained are repeated in time, and the pixel values ​​​​are also different due to factors such as light.
If two images with partially overlapping images, that is, image borders, are simply spliced ​​together according to the overlapping of the border areas, it is easy to cause large jumps in pixel values, resulting in sudden jumps in visual viewing of the images, which will affect the comfort of viewing the video screen

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  • Boundary reproduction method applied to image splicing

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Embodiment Construction

[0024] refer to figure 1 , a border reconstruction method applied to image splicing proposed by the present invention includes the following steps.

[0025] S1. Establish first pixel coordinates and second pixel coordinates respectively according to the first image and the second image with the boundary. The so-called image has a boundary, that is, the obtained first image and the second image have an image overlapping area, and the image overlapping area is the boundary. The pixel coordinates indicate the spatial position and pixel value of each pixel in the image.

[0026] In this step, multiple feature pixel points are obtained from the boundary image, and the relative positions of the multiple feature pixel points in the first image and the second image coincide, and then the first pixel coordinates and the second pixel coordinates are established based on the multiple feature pixel points Two pixel coordinates. For example, first establish a first coordinate system, ma...

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Abstract

The invention discloses a boundary reproduction method applied to image splicing. Deviation, caused by difference in collection angles of first and second images to be spliced, of the pixel value is considered, an average value is calculated in a boundary image of the first and second images, it is ensured that the finally obtained boundary image can provide transition for splicing of the first and second images, and visual discomfort caused by jump in pixel values after the first and second image are spliced is avoided; and a first dividing line coordinate and a second dividing line coordinate are equalized to ensure that the first dividing line coordinate transmits smoothly to a first pixel coordinate and a boundary image pixel coordinate as well as that the second dividing line coordinate transmits smoothly to a second pixel coordinate and the boundary image pixel coordinate. The problem that jump of boundary sharpening pixels occurs in a reproduced boundary image and the spliced first and second images is solved.

Description

technical field [0001] The present invention relates to the field of image technology, in particular to a border reappearance method applied to image splicing. Background technique [0002] Image processing is an indispensable technical means in intelligent monitoring, image recognition, and video playback. An important branch of image processing is image stitching. For example, in video playback or video monitoring, the video images obtained are often taken by multiple cameras from different angles. In order to reproduce the real scene, the images obtained by different cameras must be spliced ​​to ensure the integrity of the scene reproduction. [0003] Due to the different shooting angles of different cameras, the obtained pictures are repeated in time, and the differences in pixel values ​​may also be caused by factors such as light. If two images with partially overlapping frames, that is, image borders, are simply spliced ​​together according to the overlap of the bord...

Claims

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Application Information

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IPC IPC(8): G06T3/40
CPCG06T3/4038
Inventor 刘智伟邓震
Owner 安徽伟合电子科技有限公司
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