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Multimodal multi-target characteristic acquisition method

An acquisition method and multi-target technology, applied in the field of multi-modal pointing control of two-dimensional scanning mirrors, can solve the problems of high difficulty in development, achieve the effects of improving the level of intelligence, reducing the amount of data, and optimizing the measurement method

Active Publication Date: 2012-12-19
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

The development of a device with the function of automatic spectrum measurement for multi-moving targets involves many theories and technologies in optical design, mechanical design and processing, circuit design, signal processing and automatic control. It is difficult to develop and has not been seen at home and abroad. functional device

Method used

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  • Multimodal multi-target characteristic acquisition method
  • Multimodal multi-target characteristic acquisition method

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Embodiment Construction

[0037] The present invention is further described below in conjunction with accompanying drawing and example.

[0038] figure 1 An atlas-integrated device is provided, which is a two-dimensional scanning rotating mirror for realizing the method of the present invention. The components at the front end of the device 8 are provided. The map integration equipment includes the following main components, an infrared window 1, a two-position turntable and a mirror 2, a detection system 3 with a common optical path between the long-wave infrared imaging sensor and the mid-wave infrared non-imaging spectral sensor, and an industrial computer 4 (receiving the long-wave infrared image 5 and Spectral data 6, control the rotating mirror through serial port 7).

[0039] like figure 2 As shown, the two-dimensional scanning mirror used is composed of a two-dimensional turntable loaded with a mirror. The vertical value of the plane mirror is fixed on the load platform of the turntable. T...

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Abstract

The invention discloses a multimodal multi-target characteristic acquisition method, wherein different measurement sequences are selected by aiming at multiple static or slowly-moving targets, multiple rapidly-moving targets and time-varying targets so as to perform target spectrum collection. The method disclosed by the invention can be used for intelligently determining a measurement sequence of interesting targets, and acquiring the spectrum information of a plurality of interesting targets as many as possible under the restriction of finite time and finite directing change speed.

Description

technical field [0001] The invention belongs to the field of digital image processing and automatic control, and in particular relates to a multi-mode pointing control method of a two-dimensional scanning mirror. Background technique [0002] In recent years, the performance of remote sensing spectral detection equipment has been continuously improved and improved. Using the property that different substances have different spectral characteristic curves, combining the infrared spectral resolution of substances and the spatial resolution of infrared imaging of objects for material identification can greatly improve the detection and identification capabilities. Usually, imaging multispectral / hyperspectral sensors are used for the collection of scene spectral data. The process of data collection is to collect spectral data of a specific wavelength range for the scene area corresponding to each pixel in the field of view. The data collected each time forms A data cube that ha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00G06T7/20
Inventor 张天序张伟方正付平李浩李高飞刘祥燕戴小兵余鹏先杨卫东
Owner HUAZHONG UNIV OF SCI & TECH
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