Image stitching method and device

A stitching device and image technology, applied in the field of image stitching, can solve problems such as objects cannot be aligned, and the quality of stitched images is reduced.

Active Publication Date: 2019-07-16
SIGMASTAR TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] When the object has parallax or different degrees of deformation in the two images, in the known image stitching technology, the sutu

Method used

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  • Image stitching method and device
  • Image stitching method and device

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Embodiment Construction

[0029] The image stitching method of the present invention is executed by the image stitching device of the present invention or its equivalent. In one embodiment, the image stitching device may be composed of a computing circuit with program execution capability (such as a central processing unit, a microprocessor, a microcontroller, a digital signal processor, etc.) and a memory. The memory stores a plurality of program codes or program instructions. The computing circuit implements the image stitching method of the present invention by executing the program codes or program instructions.

[0030] figure 1 It is a functional block diagram of an embodiment of the image stitching device of the present invention. The image stitching device 100 includes a cost calculation unit 110 , an accumulative cost calculation unit 120 , a stitching line determination unit 130 and a stitching unit 140 . The image stitching device 100 is used for stitching an overlapping area OA of the fi...

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Abstract

The invention discloses an image stitching method and an image stitching device, which are used for stitching a first image and a second image. The image stitching method comprises the following stepsof calculating a plurality of costs respectively corresponding to a plurality of positions in an overlapped area according to pixel values of the first image and the second image in the overlapped area; calculating a plurality of forward normalized cumulative costs corresponding to the plurality of positions in the overlap region according to the relative distances between the plurality of costsand the plurality of positions; determining a suture in the overlap region according to the plurality of forward normalized cumulative costs, the suture comprising a plurality of suture locations; andstitching the first image and the second image based on the stitching line to generate a stitched image.

Description

technical field [0001] The present invention relates to image processing, and more particularly to image stitching. Background technique [0002] Image stitching techniques are used to combine two images to create a larger image. Wherein, when the same object in the two images is taken by a moving camera, the object will produce parallax (parallax) in the two images due to different shooting distances; in addition, when the same object in the two images is taken by When photographed by two different lenses, such as a fisheye lens, the degree of distortion of the object in the two images is different. [0003] When the object has parallax or different degrees of deformation in the two images, in the known image stitching technology, the suture will pass through the object, resulting in misalignment of the object in the stitched image, making the stitched image quality is reduced. Therefore, it is necessary to propose a better image stitching technology to solve the problem...

Claims

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Application Information

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IPC IPC(8): G06T5/50
CPCG06T5/50
Inventor 黄仁猷
Owner SIGMASTAR TECH LTD
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