360-degree panoramic stitching method

A top-down view and field of view technology, applied in the field of 360-degree surround view stitching, can solve problems such as large camera span, inability to achieve stitching effects, large object deformation and color differences, etc., and achieve the effect of firm connection, good fusion effect, and inconspicuous seams

Pending Publication Date: 2018-11-23
苏州天瞳威视电子科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, each camera has a large span, and the light intensity varies, resulting in large differences in object deformation and color
Therefore, no matter using the region-based stitching algorithm or the feature-based stitching algorithm, the ideal stitching effect cannot be achieved.

Method used

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Examples

Experimental program
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Embodiment 1

[0030] A 360 surround view stitching method, this method includes three steps: the first step is to set the field of view of the output surround view bird's eye view, the second step is to turn on the surround view four-way camera, and each frame of image is collected at the same time, the image pixel is the third step to determine the mapping Area and fusion area.

Embodiment 2

[0032] In the 360 ​​surround view stitching method described in embodiment 1, the first step is to set the output of the surround view bird’s eye view field of view is the output of the surround view bird’s eye view is the pixel image, the field of view and the direction are proportional, set The visual range of the direction is 9 meters, then the visual range of the direction is meters.

Embodiment 3

[0034] In the 360-view stitching method described in embodiment 1, the third step of determining the mapping area and the fusion area is to first generate 4 mask images, and the mask images are larger than the images collected by the camera, as attached figure 2 , The white area of ​​each image separately determines the area where the front, left, back, and right camera images will be mapped to the top view; it can be seen that there is a white overlap area of ​​a certain width between two adjacent two, as shown in the attachment image 3 As shown, these white areas are splicing and fusion areas.

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Abstract

The invention discloses a 360-degree panoramic stitching method. The method comprises four steps: step 1, setting the visual field of an outputting panoramic aerial view; step 2, turning on a panoramic four-way camera, and acquiring each frame of image and image pixels at the same time; step 3, determining a mapping region and a fusing region; and step 4, calculating a map between the original image and the top view. The 360-degree panoramic stitching method is used for 360-degree panoramic stitching.

Description

Technical field: [0001] The invention relates to a 360 surround view splicing method. Background technique: [0002] The car driving assistance system reduces the burden on the driver to a certain extent, but all have the shortcomings of not intuitive enough and blind spots. 360 surround view can provide a full range of monitoring information around the vehicle without blind spots, and provide the driver with more intuitive environmental information , Thereby enhancing driving safety to a greater extent. [0003] In the surround view parking system, a total of 4 fisheye cameras are installed on the front, rear, left, and right of the body. Image stitching can be used to fuse the images of the 4 cameras to form a surround view top view. The top view displays information around the vehicle in a 360-degree viewing angle range, which can eliminate Dead spots and blind spots. [0004] Image stitching refers to aligning the overlapping information of two or several images in space, and c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/40B60R1/00
CPCG06T3/4038B60R1/00
Inventor 王若瑜王鹏飞
Owner 苏州天瞳威视电子科技有限公司
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