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Trackability distinguishing method of infrared sequence image

A technology of sequence image and discrimination method, which is applied in the field of infrared target detection and recognition, and achieves the effect of high accuracy and intuitiveness of discrimination effect.

Active Publication Date: 2016-01-27
CHINA ACAD OF LAUNCH VEHICLE TECH
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Problems solved by technology

In order to discriminate the impact of the imaging quality of infrared sequence images on tracking performance and solve the problem of judging whether infrared images need preprocessing; at the same time, in order to select a suitable tracking algorithm for infrared sequence images and solve the problem of tracking algorithm selection, the present invention proposes an infrared sequence image Target trackability discriminant method based on

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  • Trackability distinguishing method of infrared sequence image
  • Trackability distinguishing method of infrared sequence image
  • Trackability distinguishing method of infrared sequence image

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[0032] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0033] Such as figure 1 Shown is the overall structure diagram of the trackability judgment method for infrared sequence images. It can be seen from the figure that the present invention is a traceability judgment method for infrared sequence images, which consists of a single-frame image feature extraction module, a single-frame image detectability analysis module, a It is composed of an image traceability analysis module and a confidence degree judgment module.

[0034] Single-frame image feature extraction module: as shown in Figure 2, each image in the video to be tracked is extracted, including an image quality feature extraction module, a target feature extraction module, and a background feature extraction module;

[0035] Image quality feature extraction module: such as image 3 As shown, the calculated quality features of the referenc...

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Abstract

The invention provides a trackability distinguishing method of an infrared sequence image. Infrared image quality features, image gradient features and image texture features are utilized for calculating the single-frame image detectability confidence coefficient of each frame of image in the sequence image, and weighting is carried out to obtain a sequence image detectability confidence coefficient. The invention provides the method for directly calculating the sequence image detectability confidence coefficient by utilizing an image entropy feature and target background feature differences between a front frame and a rear frame in the image. Two methods are both mainly used for infrared target detection and infrared target tracking, and belong to the field of infrared target detection and identification.

Description

technical field [0001] The invention relates to a method for judging the trackability of infrared sequence images, which belongs to the field of infrared target detection and recognition. Background technique [0002] Traceability analysis serves the tracking algorithm, and is used to judge whether the target area is suitable for a certain tracking algorithm. Different tracking algorithms have great differences in performance indicators such as calculation amount and tracking accuracy. At the same time, because the target size, shape, gray level and its distribution, and image resolution in the imaging tracking system can all be affected by environmental conditions Therefore, when the selected tracking algorithm is inappropriate, the tracking results are often poor. At the same time, it is not uncommon for factors such as poor environmental conditions and camera shake to cause poor image quality, which in turn affects tracking performance. [0003] In order to improve the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/20G06K9/62
CPCG06T7/20G06T2207/10016G06T2207/10048G06T2207/20081G06F18/2415
Inventor 李航张琦王立强李元元胡超李宇飞魏向旺黄辉席福彪毛羽
Owner CHINA ACAD OF LAUNCH VEHICLE TECH
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