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Water surface moving platform visual system image analyzing and processing method

A mobile platform and vision system technology, applied in image analysis, image data processing, instruments, etc., can solve the problems of unfavorable real-time realization of video images, insufficient ability of matching and fusion of software algorithms, etc., and achieve strong real-time processing and image synthesis The effect of strong analysis and processing ability and wide application range

Inactive Publication Date: 2014-07-02
HARBIN ENG UNIV
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Problems solved by technology

[0008] Due to the lack of ability to match and integrate the existing software algorithms and hardware systems, the vision systems of most water surface mobile platforms cooperate with conventional computers to play an auxiliary role in monitoring the environment or targets, and rely on manual and other measurement equipment for comprehensive analysis After making judgments and decisions, it is not conducive to the real-time realization of the independent processing function of video images

Method used

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  • Water surface moving platform visual system image analyzing and processing method
  • Water surface moving platform visual system image analyzing and processing method
  • Water surface moving platform visual system image analyzing and processing method

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Embodiment

[0082] 1. Example of video image defogging processing

[0083] The flow chart of video image defogging on water surface mobile platform is as follows Figure 4 shown. Basic principle: For a foggy video image sequence to be recognized, first select the first frame as a reference frame, and perform dehazing and clear processing on the frame image to obtain the defogged video frame and fog mask of the current frame, and then Subtracting the previously obtained fog mask from the video frame under the same background can achieve dehazing and clear processing, and can greatly reduce the dehazing time. If the frame difference method background extraction finds that the background changes greatly, it needs to be re-extracted Video background and fog mask recomputed once. Among them, the principle of defogging and clearing a single video frame is: first segment the target image to be recognized, and obtain the estimated sky brightness by analyzing the characteristics of the sky regio...

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Abstract

The invention belongs to the field of information processing in the information engineering field, and particularly relates to a water surface moving platform visual system image analyzing and processing method. The method includes the steps of image fog removal, graying, image stabilizing, target segmenting, binaryzation, shape characteristic extracting, texture characteristic extracting, establishing of target characteristic bases of different types, and neural network training and testing. The water surface moving platform visual system image analyzing and processing method has the advantages of being high in processing instantaneity, high in image comprehensive analyzing and processing capacity, wide in application range and the like; video image fog removal and electronic image stabilizing can be conducted on a water surface moving platform in real time under the severe weather conditions such as sea fog, and various types of targets on the water surface can be recognized.

Description

technical field [0001] The patent of the present invention belongs to the field of information processing in the field of information engineering, and specifically relates to an image analysis and processing method for a visual system of a water surface mobile platform. Background technique [0002] With the emergence of high-precision, high-resolution image sensors, high-speed data acquisition and embedded processing systems, the real-time processing capabilities of video images have been greatly improved. It also makes the vision system more and more widely used in surface mobile platforms, such as exploration ships, transport ships, unmanned boats, cruise ships, etc., and has become an important means for surface mobile platform target detection, target feature extraction and recognition, and target tracking. . [0003] The shortcomings of the visual system used in the current water surface mobile platform are mainly reflected in: [0004] The lack of independent image ...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/66G06T7/00
Inventor 马忠丽文杰刘宏达
Owner HARBIN ENG UNIV
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