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Panoramic image real-time splicing method for circumferential scanning type photoelectric early warning system

An early warning system and panoramic image technology, applied in image analysis, image data processing, graphics and image conversion, etc., can solve the problems of poor applicability, high computational complexity, and poor real-time performance of panoramic stitching, and achieve good stability and continuity. The effect of low computational complexity and good applicability

Pending Publication Date: 2021-12-28
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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AI Technical Summary

Problems solved by technology

[0010] In order to solve the problems of poor applicability, high computational complexity, and poor real-time performance of existing image registration methods, the present invention provides a panoramic image real-time stitching method for a weekly scanning photoelectric early warning system

Method used

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  • Panoramic image real-time splicing method for circumferential scanning type photoelectric early warning system
  • Panoramic image real-time splicing method for circumferential scanning type photoelectric early warning system
  • Panoramic image real-time splicing method for circumferential scanning type photoelectric early warning system

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Embodiment Construction

[0028] Combine Figures 1 to 7 In the present embodiment, a panoramic image real-time splicing method for a surprise photoelectric warning system is implemented based on the optoelectronic warning system. The specific implementation process is as follows:

[0029] Step, the pitch shaft of the photovoltaic warning system remains unchanged after a certain pitch angle, the winding shaft achieves 360 ° uninterrupted circumference, acquisition of the early warning image, and the number of images is n;

[0030] like figure 2 As shown, in the present embodiment, the base 1 is included, and the turntable assembly 3 and the turntable orientation assembly 3 mounted on the pitch assembly 2 are sequentially fixed, and the camera load 4 mounted on the pitch assembly 2;

[0031] The biaxially rotating platform rotates about the vertical axis (azimuth) to achieve 360 ​​° orientation, rotation about the horizontal axis (pitch shaft) to achieve the pitch angle adjustable (horizontal corner is zero,...

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Abstract

The invention discloses a panoramic image real-time splicing method for a circumferential scanning type photoelectric early warning system, relates to the technical field of panoramic image splicing, and solves the problems of poor applicability, high calculation complexity, poor real-time performance and the like of panoramic splicing in an existing image registration method. A registration method based on spherical three-dimensional modeling is put forward, three-dimensional space modeling is carried out according to a photoelectric early warning system in a 360-degree uniform-speed panoramic scanning and pitching adjustable working mode, early warning images collected in different directions and at pitching angles are put under a world coordinate system, the optimal registration lines of the adjacent frames of images at different pitching angles are calculated through optical system parameter information, and image straightening is performed on to-be-spliced images based on the optimal registration lines, so that panoramic image real-time splicing with higher visibility is realized. The method is low in calculation complexity, can meet the requirement of an early warning system with a higher resolution ratio, and has good real-time performance.

Description

Technical field [0001] The present invention relates to a panoramic image real-time splicing method for a surprise photoelectric warning system. The identification and warning of suspicious targets is achieved by the detection and track association of suspicious targets in the panoramic image after stitching. Background technique [0002] Image splicing is a necessary means of achieving panoramic imaging, while image registration is a key technique for determining the effect of panoramic imaging. At present, most of the registration methods are the template matching method, the APAP algorithm and its derivative algorithm have the following limitations: First, the image characteristic is high, and the photovoltaic warning system image is more single sky, sea surface background The image features in the overlap region are not obvious, and the feature points are small, resulting in low registration accuracy, so that the applicability of such algorithms is poor. The second is for rea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/00G06T3/00G06T3/40G06T7/33
CPCG06T17/00G06T3/4038G06T7/33G06T3/14
Inventor 高策宋聪聪张艳超徐嘉兴余毅
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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