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Image processing method and image processing device

An image processing and image technology, applied in image data processing, graphic image conversion, instruments, etc., can solve problems such as affecting image quality and S1 discontinuity at seams

Active Publication Date: 2021-10-01
SIGMASTAR TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, if figure 2 As shown, in the panoramic spherical image 850, the seam S1 will present an obvious sense of discontinuity, which seriously affects the image quality

Method used

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  • Image processing method and image processing device

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Embodiment Construction

[0078] The present invention rotates the fisheye image by 90 degrees and then stitches it together, so that the panoramic image does not show obvious sense of discontinuity at the high-latitude seam, and effectively improves the image quality.

[0079] Please refer to image 3 , Figure 4 and Figure 5A ~ Figure 5B , image 3 A schematic diagram illustrating an image processing device 300 according to an implementation of the present invention, Figure 4 A flowchart illustrating an image processing method according to an embodiment of the present invention, Figure 5A ~ Figure 5B draw Figure 4 A schematic diagram of the steps. The image processing method of the present invention does not Figure 4 The flow chart is limited, and some steps can be executed simultaneously. Alternatively, some steps can be omitted. Alternatively, the order of the steps may be reversed.

[0080] The image processing device 300 includes an equirectangular projection unit 310 , an exchange un...

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Abstract

An image processing method and an image processing device. The image processing method includes the following steps: performing an equidistant rectangular projection on a first fisheye image and a second fisheye image to obtain a first equidistant rectangular image and a second equidistant rectangular image. The positions of a left half image of the second equidistant rectangular image and a right half image of the second equidistant rectangular image are exchanged to obtain a third equidistant rectangular image. The first equidistant rectangular image and the third equidistant rectangular image are rotated 90 degrees on a spherical coordinate to obtain a first rotated image and a second rotated image. Stitching the first rotated image and the second rotated image to obtain a stitched image. The stitched image is rotated -90 degrees on the spherical coordinates to obtain a panoramic image.

Description

technical field [0001] The present invention relates to an image processing method and an image processing device, and in particular to a fish-eye image processing method and a fish-eye image processing device. Background technique [0002] With the advancement of imaging technology, various image capture devices are constantly being introduced, among which the viewing angle of some fisheye lenses can even exceed 180 degrees. A panoramic image can be generated by stitching two fisheye images respectively captured by the front and rear fisheye lenses with a viewing angle greater than 180 degrees. [0003] Please refer to figure 1 , which shows a schematic diagram of a traditional image processing method. Firstly, an image processing unit can receive a merged image 820 formed by combining two fisheye images 811 and 812 produced by two fisheye lenses with a front and rear view angle greater than 180 degrees. Next, the image processing unit first divides the merged image 820 ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T3/40
CPCG06T3/4038
Inventor 范颢腾苏乔
Owner SIGMASTAR TECH LTD