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A method and system for multi-target and unmarked aquatic biometric identification and tracking

A technology for aquatic organisms and multi-targets, which is applied in the field of multi-target unmarked aquatic biological identification tracking and system, which can solve the problems of low resolution of individual organisms and excessive video storage space, so as to reduce system memory usage and improve reliability degree, the effect of solving the error rate

Active Publication Date: 2020-06-30
SHANDONG NORMAL UNIV
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Problems solved by technology

[0007] In order to solve the deficiencies of the prior art, the present invention provides a multi-target and unmarked aquatic biological identification tracking method and system. Through the unmarked identification technology and three-dimensional video processing, it solves the problem of biological individual in the existing biological tracking technology. Problems with low resolution and excessive video storage space usage

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  • A method and system for multi-target and unmarked aquatic biometric identification and tracking
  • A method and system for multi-target and unmarked aquatic biometric identification and tracking

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[0043] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0044] In view of the fact that the traditional labeling method is time-consuming, labor-intensive and harmful to identify biological individuals, the present invention uses a label-free method to solve these problems. The main difficulty is that in video data, an individual corresponds to a pixel block, even for the same individual, The models are different in different postures. If we simply identify the area of ​​a single pixel block, it is possible that the moment when a certain fish swims in a C-shaped state is equivalent to the normal swimming area of ​​another fish. The solution we propose is to collect a series of postures of act...

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Abstract

The invention discloses a method and system for identifying and tracking aquatic organisms with multiple targets without marking, comprising: step (1): cultivating aquatic organisms through an aquatic organism breeding system; step (2): passing through the top and side of the aquatic organism breeding system The two cameras of the two cameras respectively collect video of aquatic organisms; the two cameras transmit the collected video to the controller; step (3): data processing: the controller processes the video images collected by the two cameras, and finally obtains the video images of aquatic organisms 3D trace. Through the unmarked identification technology and three-dimensional video processing, the problems of low ability to distinguish biological individuals and excessive video storage space occupation in the existing biological tracer technology are solved.

Description

technical field [0001] The invention relates to a method and system for identifying and tracking aquatic organisms with multiple targets and without marking. Background technique [0002] Video is a commonly used research method in the study of biological behavior. By tracking the measured organisms in the video to observe various indicators, however, the original video format cannot be used for behavioral data collection. Most of the methods that use video to measure biological behavior The first step of the method is to build a recognition and tracking algorithm to estimate the position and posture of the organism in the area to be tested, and perform primary recognition and matching for each individual. Based on the assumption that the movement of each individual is small and smooth, the tracking is continuous. Organisms under the frame. However, although this method is efficient in the state of separation of individual organisms, when the organisms are close to each oth...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00G06K9/32G06K9/34
CPCG06V20/46G06V20/40G06V10/62G06V10/24G06V10/267
Inventor 任宗明李尚戈
Owner SHANDONG NORMAL UNIV
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