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Target detection and recognition method for water surface panoramic images

A target detection and panoramic image technology, applied in character and pattern recognition, instruments, computing, etc., can solve problems such as image distortion effects that cannot be solved

Active Publication Date: 2018-03-27
HUAZHONG UNIV OF SCI & TECH
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AI Technical Summary

Problems solved by technology

This solves the technical problem that the panoramic image target recognition in the prior art cannot solve the influence of image distortion

Method used

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  • Target detection and recognition method for water surface panoramic images
  • Target detection and recognition method for water surface panoramic images
  • Target detection and recognition method for water surface panoramic images

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Embodiment Construction

[0072] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0073] Such as figure 1 As shown, the process flow of the method of the present invention is introduced in conjunction with the embodiments, and the method of the embodiment of the present invention includes the following steps:

[0074] Step 1: Train the target detection and recognition neural network model. The target detection and recognition network consists of three parts: feature extract...

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Abstract

The invention discloses a target detection and recognition method for water surface panoramic images, and belongs to the technical field of computer visual recognition. The method comprises the following steps of: firstly carrying out target detection and recognition on a panoramic image by utilizing a target detection and recognition neural network model, and obtaining a target type and an initial position of a detection box; carrying image segmentation on a target local area to obtain a plurality of superpixel blocks, and combining the superpixel blocks by adoption of a multi-threshold fusion strategy so as to obtain an adjusted target detection box; calculating an edge map of a new target local area, adjusting the target detection box according to peripheral edge points of the target detection box so as to obtain a final target detection box; and finally converting the position of the final target detection box into a target practical position. According to the method, distortion effect in panoramic images can be effectively overcome, and target positions can be correctly recognized from the panoramic images.

Description

technical field [0001] The invention belongs to the technical field of computer vision recognition, and more particularly relates to a method for detecting and recognizing a water surface panoramic image target. Background technique [0002] With the proposal of the ocean power strategy, my country has begun to vigorously develop marine equipment. As an unmanned surface mobile platform, unmanned boats can not only enter some harsh environments to complete tasks, but also improve the efficiency of tasks that require long-term operations. They play a very important role in many practical applications, such as Customs patrols, shallow sea mine clearance and water quality monitoring, etc. For unmanned boats, environmental perception technology is an indispensable part of autonomous navigation and autonomous obstacle avoidance. In particular, in the process of actual operation, it is far from enough to only be able to detect targets or obstacles in the direction of advancement,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/32G06K9/34G06K9/62
CPCG06V20/00G06V10/255G06V10/267G06V2201/07G06F18/22G06F18/214
Inventor 曹治国杨健肖阳宫凯程朱昂帆赵晨
Owner HUAZHONG UNIV OF SCI & TECH
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