Method and device for automatically removing tripod afterimage in panoramic image
A panoramic image and residual image technology, applied in image enhancement, image analysis, image data processing, etc.
Inactive Publication Date: 2011-04-06
SHANGHAI JEITU SOFTWARE
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Therefore, the above technologies have great limitations for local image removal or repair applications.
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[0040] figure 1 An embodiment of the method for automatically removing a tripod afterimage in a panoramic image according to the present invention is shown. See figure 1 , the following is a detailed description of each step of the method for automatically removing a tripod residual image in a panoramic image according to this embodiment.
[0041] Step S10: Set the boundary to be replaced on the original panorama to cover the selected image.
[0042] The boundary to be replaced can be marked with a uniform color, covering the background color on the original panorama. That is to say, the boundary to be replaced is marked with a color different from the background color, so that the boundary with a color different from the background color can be determined as the boundary to be replaced.
[0043] Step S11: Set the block where the boundary point is centered on the point on the boundary to be replaced.
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The invention discloses a method and a device for automatically removing a tripod afterimage in a panoramic image, having the advantages of high recovery speed and good recovery effect. The invention has the technical scheme that the method comprises the following steps of: setting a to-be-replaced boundary on the original panoramic image so as to cover the tripod afterimage; setting a block in which boundary points taking the point on the to-be-replaced boundary as the center is located; finding out the point p' the block confidence of which is highest in all boundary points, wherein the block in which the boundary point corresponding to the point p' is located is psip'; expanding the to-be-replaced boundary to form an expanded boundary; finding out a block psiq' in which the boundary points are located within the range of the expanded boundary, which has the biggest compared feature similarity with the block psip' in which the boundary points of the point p' are located, wherein the boundary point corresponding to the psiq is q'; and replacing the psip' with the psiq'; assigning the 8 adjacent pixels of the point q' and the compared feature similarity maximum value of the point p' to the point p'; returning the step of finding out the point the confidence of which is highest; and finding out the point the confidence of which is highest in the block in which the unprocessed boundary points are located until all the to-be-replaced boundaries are processed.
Description
technical field [0001] The present invention relates to an image processing method and device, in particular to a method and device for automatically removing the residual image of a tripod appearing in a panoramic image. Background technique [0002] When shooting a panoramic image, undesired tripod afterimages often inevitably appear in the panoramic image, which will cause a great loss to the user's visual experience. The existing processing method is to complete by manual removal. The specific method is to repair the residual image area of the tripod in the partial image that needs to be removed, and use image editing tools to manually cut out the image. This mode of operation consumes a lot of manpower. Increased post-processing burden. [0003] Traditional inpainting techniques fall into two categories. One is the image inpainting technology based on the geometric image model, which uses partial differential equations and the principle of physical heat diffusion t...
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IPC IPC(8): G06T5/20G06T7/00
Inventor 徐小明殷铭韩海梅
Owner SHANGHAI JEITU SOFTWARE