ORB algorithm based multipath rapid video splicing algorithm with image registering and image fusion in parallel

An image fusion and image registration technology, applied in the field of computer vision, can solve problems such as difficulty in meeting real-time requirements, inability to filter out image fusion ghosts, complex algorithm calculations, etc. high efficiency effect

Inactive Publication Date: 2017-05-10
HUNAN VISION SPLEND PHOTOELECTRIC TECH
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Problems solved by technology

Traditional image registration algorithms generally have various deficiencies: For example, most algorithms are difficult to meet real-time requirements due to complex calculations and large amounts of calculations, or cannot filter out ghosts generated during image fusion.

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  • ORB algorithm based multipath rapid video splicing algorithm with image registering and image fusion in parallel
  • ORB algorithm based multipath rapid video splicing algorithm with image registering and image fusion in parallel
  • ORB algorithm based multipath rapid video splicing algorithm with image registering and image fusion in parallel

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Embodiment Construction

[0035] Taking image registration and image fusion parallel multi-channel video splicing of ordinary ORB algorithm as an example, the specific embodiments of the present invention will be further described in detail in conjunction with the accompanying drawings.

[0036] The evaluation of image fusion effect is more complicated, involving evaluation criteria, index system and evaluation methods. Evaluation methods are currently divided into two categories, namely, subjective evaluation methods and objective evaluation methods. The subjective evaluation method is to use the visual inspection method, which has poor evaluation repeatability and strong one-sidedness; the objective evaluation method is to calculate the gray histogram of the two images, and calculate the difference between the two images according to the gray histogram of the two images by the Bhattacharyian distance. The matching degree of the image, the matching degree ranges from 0 to 1, where 0 indicates the mini...

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Abstract

The invention relates to an ORB algorithm based multipath rapid video splicing algorithm with image registering and image fusion in parallel, and relates to the field of computer vision. The method comprises the steps that S1) a self-adaption based image registering model is established, and an optimal image translation parameter is calculated by self-adaption; S2) according to the optimal image translation parameter in S1) image fusion is carried out on overlapped areas of two frames of images on the basis of a fading-in and fading-out weighted average method, so that two object images are fused and spliced into a panorama image, and splicing of an object video is realized; and S3) a bilateral filter carry out de-noising on the panorama image obtained in the S2), and then a high-quality clear splicing image is output. The algorithm of the invention is high in calculation efficiency, low in computational complexity and fully satisfies the requirement for instantaneity.

Description

technical field [0001] The invention relates to the field of computer vision, in particular to an ORB algorithm-based image registration and image fusion parallel multi-channel video fast mosaic algorithm. Background technique [0002] In daily life, it is often necessary to obtain panoramic images of wide viewing angles and large scenes, but due to the limitation of physical factors in camera equipment, only partial images of large scenes can be obtained. Although some hardware devices, such as fisheye cameras and wide-angle lenses, can obtain panoramic images, they are expensive and not suitable for widespread use. In order to obtain real-time global large-scale image information, it is usually necessary to deploy multiple network cameras in large-scale scenes with a wide field of view such as airports, docks, squares, and traffic intersections. Although this method can obtain more monitoring ranges, the display of the scene is divided into multiple sub-windows, which can...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/265H04N7/18
CPCH04N7/181H04N5/265
Inventor 张斯尧姜德财
Owner HUNAN VISION SPLEND PHOTOELECTRIC TECH
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