Non-contact active calling method

A non-contact, active technology, applied in the field of medical devices, can solve the problem of measuring facial expressions, etc., and achieve the effect of low cost and simple deployment

Inactive Publication Date: 2015-02-04
SHANGHAI DIANJI UNIV
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  • Abstract
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Problems solved by technology

However, since FACS is only a theoretical system, it cannot be directly used to measure changes in facial expressions, so in Lints-Martindale's research, it mainly relies on videotaping the faces of experimental subjects, a

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Embodiment Construction

[0017] The following will give a detailed description of the embodiments of the present invention. Although the present invention will be illustrated and described in conjunction with some specific embodiments, it should be noted that the present invention is not limited to these embodiments. On the contrary, any modification or equivalent replacement made to the present invention should be covered by the scope of the claims of the present invention.

[0018] In addition, in order to better illustrate the present invention, numerous specific details are given in the following specific embodiments. Those skilled in the art will understand that without these specific details, the present invention can also be implemented. In some other examples, well-known methods, processes, components, and equipment are not described in detail, so as to highlight the gist of the present invention.

[0019] In this embodiment, the contactless active call for help method of the present invention is...

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Abstract

The invention provides a non-contact active help calling method and a system. an offline stage and an online stage are provided. In the offline stage, a public face database and a self-built face database are firstly acquired, facial feature points of each image in the face database are manually marked, and a facial expression model is finally built. In the online stage, steps of camera erection, image acquisition, face detection, feature point matching and extraction, facial expression analysis, pain degree judgment and the like are sequentially carried out, and automatic help calling and alarm giving are realized. Compared with the prior art, condition of a bed patient can be monitored in a non-contact mode, a help calling signal is actively sent out in the case of emergency, and operation and implementation do not need to be carried out by the patient.

Description

Technical field [0001] The invention relates to the field of medical equipment, in particular to a non-contact active calling method. Background technique [0002] Inpatients need medical staff to take care of them every day. In addition to daily rounds, sometimes patients have special care needs or emergencies. At this time, they need to call medical staff to be present. [0003] The call response mechanism in the prior art mainly includes the following two types: [0004] One is to install a call button next to the hospital bed. When the patient needs it, he or his family members press the button. The medical staff rushes to the ward after seeing the call signal in the duty room. This method is simple and easy to operate, and is currently widely used in wards. Its shortcomings are mainly passive and cannot handle special situations. For example, due to a sudden relapse of the disease, some patients have rapidly reduced blood pressure and blood sugar in a short period of time, and...

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Application Information

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IPC IPC(8): G06K9/00G08B21/02
CPCG06V40/16G06V40/176G06V40/168G06V40/174G06V2201/07
Inventor 黎明
Owner SHANGHAI DIANJI UNIV
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