Abstract
In order to analyse the sports psychology of athletes and to identify the psychology of athletes in their movements, a human action recognition (HAR) algorithm has been designed in this study. First, a HAR model is established based on the convolutional neural network (CNN) to classify the current action state by analysing the action information of a task in the collected videos. Secondly, the psychology of basketball players displaying fake actions during the offensive and defensive process is investigated by combining with related sports psychological theories. Then, the psychology of athletes is also analysed through the collected videos, so as to predict the next response action of the athletes. Experimental results show that the combination of grayscale and red-green-blue (RGB) images can reduce the image loss and effectively improve the recognition accuracy of the model. The optimised convolutional three-dimensional network (C3D) HAR model designed in this study has a recognition accuracy of 80% with an image loss of 5.6. Besides, the time complexity is reduced by 33%. Therefore, the proposed optimised C3D can recognise effectively human actions, and the results of this study can provide a reference for the investigation of the image recognition of human action in sports.
Highlights
The basketball player with the ball applies footstep movement and dribbling skills to break through and quickly pass the defence of the opposing player
In combination with the basketball movement rules and the relevant theories of psychology and physiology, analysis and investigation have been conducted for the fake actions of basketball players to obtain qualitative and quantitative results (Du et al, 2020)
The objective of this study is to explore the psychology of basketball players when displaying fake actions in the attacking and defending process
Summary
The basketball player with the ball applies footstep movement and dribbling skills to break through and quickly pass the defence of the opposing player. In the process of ball holding, players can effectively promote the chances of breaking through the defence by taking advantage of their own speed and reasonable use of fake actions (Zhou et al, 2016). Fake action refers to how athletes use the illusion of their own movement techniques to confuse the vision and feeling of the opposing players so that the opposing athletes make wrong judgments or lose their own body balance. The reasonable application of fake action can reflect the psychology of athletes in sports. In combination with the basketball movement rules and the relevant theories of psychology and physiology, analysis and investigation have been conducted for the fake actions of basketball players to obtain qualitative and quantitative results (Du et al, 2020)
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