Panoramic stitching colour correction method

A color correction, panoramic technology, applied in the field of image processing, can solve problems such as color deviation, and achieve the effect of eliminating color differences

Active Publication Date: 2016-12-21
成都易瞳科技有限公司
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Problems solved by technology

[0003] The purpose of the present invention is to provide a color correction method for panorama stitching to solve the technical problem of color deviation in the prior art after processing the seams of image stitching, and to ensure that the final image will not produce obvious color difference traces during panorama stitching

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Embodiment Construction

[0038] All the features disclosed in this specification, except mutually exclusive features and / or steps, can be combined in any way.

[0039] Combine below Figure 1 ~ Figure 2 The present invention will be described in detail.

[0040] A panorama mosaic color correction method, comprising the following steps:

[0041] Step (S1), determine the position of the overlapping area 3 of two original images (selecting one as the target image 2 and the other as the deviation image 1);

[0042] Step (S2), screening the pixels in the overlapping area 3;

[0043] Step (S3), using the filtered pixels to calculate the color difference between the two original images in the overlapping area 3 for imaging the same object in the actual scene, and obtain a fixed color difference, and then obtain two by mathematical fitting calculation The color deviation conversion parameter M of the original image;

[0044] Step (S4), using the color deviation conversion parameter M to perform color conv...

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Abstract

The invention discloses a panoramic stitching colour correction method. The panoramic stitching colour correction method comprises the following steps of: (S1), determining the position of an overlapped region of two original images; (S2), screening pixel points in the overlapped region; (S3), obtaining a colour deviation conversion parameter M for imaging the same object in a practical scene by the two original images in the overlapped region by calculation through the pixel points obtained by screening; and (S4), performing colour conversion of the two original images by utilizing the colour deviation conversion parameter M. By means of the panoramic stitching colour correction method disclosed by the invention, the technical problem that colour deviation still exists after an image stitching gap is processed in the prior art can be solved; and thus, the final image cannot generate obvious colour deviation when panoramic stitching is carried out.

Description

technical field [0001] The invention belongs to the technical field of image processing, and in particular relates to a color correction method in panoramic video stitching. Background technique [0002] At present, in the field of panoramic video shooting, one camera is used with 2 to 6 lenses, or multiple cameras, or one camera is shot multiple times to obtain images, and then the series of images are stitched together. Due to differences in the brightness of different scenes, chromatic aberration in the lens, and differences in exposure, the brightness of different pictures cannot be guaranteed to be the same. The panoramic image obtained after using such image stitching will have obvious chromatic aberration. Generally, in order to eliminate the obvious "traces" at the stitching seam, a common practice is to slow down the difference between the two images by merging the overlapping stitching area, but only processing the stitching seam cannot Fundamentally change the co...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N9/68H04N5/232
CPCH04N9/68H04N23/698
Inventor 张恩泽赖文杰胡志发成茵余黎果实
Owner 成都易瞳科技有限公司
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