Alarm prompting method and device based on wearing state of safety helmet and alarm system

The invention relates to an alarm prompting method and device based on the wearing state of a safety helmet, a linkage alarm system based on intelligent monitoring of the safety helmet, computer equipment and a storage medium. The method comprises the following steps: acquiring a to-be-processed image of a construction site acquired by image acquisition equipment arranged on the construction site;identifying a human head image area and a safety helmet image area in the to-be-processed image based on a pre-constructed human head identification model and a pre-constructed safety helmet identification model; acquiring the wearing state of the safety helmet based on the position relationship between the human head image area and the safety helmet image area; and if the safety helmet is not worn, sending the alarm information to a broadcasting device arranged on the construction site, so that the broadcasting device broadcasts the alarm information. Human head identification and safety helmet identification can be