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Charybdis japonica group behavior video analysis method based on instance segmentation

A technology of video analysis and behavior, applied in image analysis, neural learning methods, image data processing, etc., can solve the problem of lack of effective methods for group behavior research, achieve great scientific research value and industrial application value, and satisfy the effect of accuracy

Active Publication Date: 2021-08-31
YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
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Problems solved by technology

[0004] Japanese crab, commonly known as Chijiahong, likes to inhabit rocky reef areas. It is the dominant species of crabs in artificial reef areas off the coast of northern my country. At present, there is still a lack of effective methods for group behavior research.

Method used

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  • Charybdis japonica group behavior video analysis method based on instance segmentation
  • Charybdis japonica group behavior video analysis method based on instance segmentation
  • Charybdis japonica group behavior video analysis method based on instance segmentation

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Embodiment 1

[0052] A video analysis method for group behavior of Japanese catfish based on instance segmentation, the process is as follows figure 1 As shown, it specifically includes the following steps:

[0053] Step 1. Video capture:

[0054] (11) Raise the Japanese clams collected in the wild in the laboratory for more than 48 hours, select 3 individuals of normal activities of the Japanese clams, and place them in a white water tank;

[0055] (12) Use Yingmeijing DFK72AUC02 black and white monochrome industrial camera, with a 4mm focal length lens, to shoot video of the movement and contact behavior of the Japanese catfish group in a top-down manner. The video pixel resolution is 720*480, and the frame rate is 7.5 frames per second;

[0056] Step 2. Create instance segmentation data set:

[0057] (21) Select 85 frames of images to save as screenshots. The captured images should contain the relative positions and postures of different Japanese katydids, and the number of images in...

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Abstract

The invention relates to a charybdis japonica group behavior video analysis technology, and discloses a charybdis japonica group behavior video analysis method based on instance segmentation, and the method comprises the steps: 1, carrying out the temporary rearing and video collection of organisms; step 2, establishing an instance segmentation data set; step 3, establishing a charybdis japonica overall segmentation model and a carapace segmentation model; step 4, performing overall segmentation on the charybdis japonica, segmenting the carapace and judging an ID (Identity) number; and step 5, evaluating the exercise ability and contact degree of the charybdis japonica. According to the method, the problem that the ID is difficult to predict due to individual contact of the charybdis japonica can be effectively solved, a video analysis method is provided for behavior research of similar crab groups including the charybdis japonica, the accuracy meets the requirement of behavioral research, and the method has great practical value and industrial application value.

Description

technical field [0001] The present application relates to video analysis technology of group behavior of Japanese catfish, in particular to a video analysis method of group behavior of Japanese catfish based on instance segmentation. Background technique [0002] The quantification of the behavioral characteristics of marine organisms is an important demand in many industries such as marine ecological monitoring, aquaculture, and marine ranch construction. It is also an important field of research on the physiological and ecological response and adaptation of marine organisms under the influence of global changes. At present, the research method of biological group behavior commonly used in the laboratory is still based on video analysis method, including video collection, individual identification, information extraction such as individual location, and calculation of group behavior indicators. The indicators involved in the behavior of marine biological groups include indi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/38G06K9/62G06N3/04G06N3/08G06T7/11G06T7/246G06T7/60G06T7/66G06T7/73
CPCG06N3/08G06T7/11G06T7/248G06T7/60G06T7/66G06T7/73G06T2207/10016G06T2207/20081G06T2207/20084G06T2207/30241G06V10/28G06N3/045G06F18/241
Inventor 刘辉逯文强王清冷惠文赵建民袁秀堂赵业
Owner YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
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