Search system trace point coordinate image rotation eliminating processing device and method and readable storage medium
A processing method and a technology of a search system, which are applied in the field of a point trace coordinate derotation processing device of a search system, and can solve problems such as affecting system indicators, affecting subsequent target track accuracy, image point trace extraction errors, etc.
Active Publication Date: 2021-05-18
HUAZHONG PHOTOELECTRIC TECH INST (CHINA SHIPBUILDING IND CORP THE NO 717 INST)
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However, the rotation of the image brings the extraction error of the image dot track, which affects the track accuracy of the subsequent target, and finally affects the system index
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[0047] Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. In the following detailed description, numerous specific details are shown in order to provide a thorough understanding of the various described embodiments. It will be apparent, however, to one of ordinary skill in the art that various described embodiments may be practiced without these specific details. In other instances, well-known methods, procedures, components, circuits and networks have not been described in detail as not to unnecessarily obscure aspects of the embodiments.
[0048]It will also be understood that, although in some instances the terms "first", "second", etc. are used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first contact could be termed a second contact, and, similarly, a second contact could be ...
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The invention discloses a search system trace point coordinate image rotation eliminating processing device and method and a readable storage medium. When the processing method is executed, the processing method comprises the steps: S100, calculating the image rotation angle Angle of a plot target in an image coordinate system in a geodetic measurement coordinate system according to the posture of a vehicle body; S200, acquiring a center coordinate of the trace point target in the center of the plane image according to the image coordinate of the trace point target in the left upper corner of the plane image; S300, according to the value of Angle and the center coordinate, obtaining a plane coordinate, corresponding to the center coordinate, of the plot target in a ground plane coordinate system; S400, according to the plane coordinate, obtaining a plot coordinate, corresponding to the image coordinate, in the ground plane coordinate system. According to the invention, the track of the plot target in the ground plane coordinate system can be obtained through the relative relation between the photoelectric device and the vehicle body and the relative relation between the vehicle and the ground which are acquired in real time.
Description
technical field [0001] The present invention relates to the field of image processing and target tracking, in particular to a search system dot trace coordinate derotation processing device, method and readable storage medium. Background technique [0002] The search system adopts the technology of tracking while searching for the target through the omnidirectional and constant rate servo scanning to detect the azimuth, elevation and other information of the incoming target, and track information of the upper-level weapon system data target. The search system generally adopts the method of passive detection, which plays an active role in the radar blind area or when it is interfered. It is an important supplementary detection system of the radar detection system. [0003] The search system is affected by the vibration of the vehicle body during the process, and there is a certain roll angle and pitch angle relative to the ground. At the same time, the viewpoint device of the...
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IPC IPC(8): G06T7/60G06T7/70
CPCG06T7/60G06T7/70
Inventor 王辉李瑜
Owner HUAZHONG PHOTOELECTRIC TECH INST (CHINA SHIPBUILDING IND CORP THE NO 717 INST)