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Airborne multispectral video image collection and processing method

A video image and image processing technology, applied in the field of airborne multi-spectral video image acquisition and processing, can solve problems such as manual intervention, interruption of instructions, and inability to achieve spectral adaptation, reduce power consumption and cost, and achieve automated Effect

Active Publication Date: 2016-05-04
XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
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Problems solved by technology

However, it cannot achieve spectral adaptation. When the task changes, it needs to interrupt the instruction and manually intervene.

Method used

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  • Airborne multispectral video image collection and processing method
  • Airborne multispectral video image collection and processing method

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Embodiment Construction

[0014] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0015] The invention satisfies the self-adaptive perception of different spectra and realizes the automation of the whole work process by respectively introducing spectrum marking and spectrum recognition in the stages of airborne video image acquisition and processing. Such as figure 1 Shown:

[0016] In the stage of airborne video image acquisition: the rotary band-pass filter is installed at the front end of the photoelectric imaging system (composite optical path + imaging photoreceptor + signal acquisition circuit), which is used for optical spectrum analysis of visible light and near, middle and far infrared. Section definition and selection. The position sensing device is used to measure the rotational position of the bandpass filter online. The spectral marking module deduces the spectral information used by the aircraft pod at the current moment a...

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Abstract

The invention provides an airborne multispectral video image collection and processing method which is characterized in that spectrum marking and spectrum identification are respectively introduced in airborne video image collection and processing phases, self-adaptive perception with regard to different spectrums is achieved, and automation of the whole work process is realized. In the airborne video image collection phase, a rotary band-pass filtering sheet is added in front of a photoelectric imaging system to generate specific character codes from spectrum information according to a definition rule set in advance, and the collected image information and the character codes referring to the spectrum information are packaged and then are output in a certain video format; and in the airborne video image processing phase, the received video signals are unpackaged, the video signals are decomposed into the corresponding image information and the character codes referring to the spectrum information, and the character codes are identified according to the definition rule set in advance, the real meaning of the referred spectrum information is recovered, and an image processing module selects a corresponding algorithm for image processing.

Description

technical field [0001] The invention belongs to the field of airborne graphic images, and relates to an airborne multispectral video image collection and processing method. Background technique [0002] In order to better observe the external scene and perceive the surrounding situation, the aircraft pod usually needs to collect and process video images of multiple optical spectrum segments (such as visible light and near, middle, and far infrared, etc.) in order to make full use of the complementary information between them , through fusion, the enhancement of visual images and the analysis of content are realized. [0003] There are two main methods for collecting and processing multi-spectral video images: one is to fix multiple optical cameras such as visible light and infrared in a designated position, and these cameras can be turned on at the same time when performing observation tasks; One is to connect multiple optical cameras through a rotating mechanism. Only one ...

Claims

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Application Information

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IPC IPC(8): G01J3/28
CPCG01J3/2823G01J2003/2826
Inventor 文鹏程程岳谢建春李亚晖张磊白林亭
Owner XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
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