Optical measurement method and system for long-distance running

Abstract

The invention provides an optical measurement method for long-distance running. The method comprises the following steps: enabling an athlete to wear a specific mark capable of reflecting light; arranging a modulated light source and an image shooting device at a physical end point of the runway; enabling the image shooting device to continuously shoot images of the physical end point under the condition that the modulated light source alternately emits light with first intensity and light with second intensity, and further acquiring a bright frame image shot by the image shooting device under the light with the first intensity; then acquiring a dark frame image shot by the image shooting device under the light with the second intensity; performing differential processing on the bright frame image and the dark frame image to obtain a differential image; and detecting whether the specific identifier appears in the differential image or not, if so, identifying the identity of the athlete through the specific identifier, and meanwhile, marking a frame for judging that the specific identifier appears. The invention also provides a corresponding optical measurement system. Compared with other photographing identification methods, the method provided by the invention has the beneficial effects of strong ambient light interference resistance, low identification cost, high accuracy, easy operation and the like.

Description

technical field [0001] The invention relates to the field of sports testing, in particular to an optical measurement method and system for long-distance running. Background technique [0002] At present, with the improvement of people's living standards and the emphasis on physical health, physical exercise has become a popular activity for the people. Among them, running is a fitness method that not only trains people's physical fitness but also increases people's endurance. Even longer distance running. Long-distance running can increase the function of the respiratory system and cardiovascular system of the human body, and promote people to maintain long-term and rhythmic breathing, which helps to relieve the mood and is beneficial to physical and mental health. At the same time, because long-distance running does not require the introduction of complicated sports equipment and sports venues are relatively easy to obtain, it is often considered by the public to be a kin...

AI Technical Summary

Problems solved by technology

[0004] The present invention provides an optical measurement method and system for long-distance running to solve the requirement for automatic identification of athletes and their test results in long-distance running

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