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Falling detection method, falling detection device and electronic equipment

A detection device and detection unit technology, applied in the information field, can solve problems such as large limitations in use and insufficient accuracy

Pending Publication Date: 2020-07-07
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The inventor of the present application found that the existing camera-based fall detection device has some defects, such as: the detection accuracy is not high enough; in addition, in most cases, it is suitable for fall detection in an indoor environment with only one person , so it is more limited to use

Method used

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  • Falling detection method, falling detection device and electronic equipment
  • Falling detection method, falling detection device and electronic equipment
  • Falling detection method, falling detection device and electronic equipment

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Embodiment 1

[0046] Embodiment 1 of the present application provides a fall detection method.

[0047] figure 1 is a schematic diagram of the fall detection method of this embodiment. Such as figure 1 As shown, the fall detection method includes:

[0048] Step 101, detecting the person in the image frame;

[0049] Step 102: Among the image frames in which the person is detected, according to the first number of consecutive image frames, the person whose motion displacement exceeds the first predetermined threshold and whose deformation exceeds the second predetermined threshold is detected as the first person;

[0050] Step 103: In the image frames in which persons are detected, according to the second number of consecutive image frames after the first number of consecutive image frames, detect the person who remains motionless among the first persons as the second person;

[0051] Step 104: In the image frame in which a person is detected, detect a stationary object in the image frame, ...

Embodiment 2

[0156] Embodiment 2 provides a fall detection device. Since the problem-solving principle of the device is similar to the fall detection method in Embodiment 1, its specific implementation can refer to the implementation of the method in Embodiment 1, and the description of the same content will not be repeated.

[0157] Figure 10 is a schematic diagram of the fall detection device of this embodiment. Such as Figure 10 As shown, the fall detection device 1000 includes:

[0158] A first detection unit 1001, which detects a person in an image frame;

[0159] The second detection unit 1002, which detects a person whose motion displacement exceeds a first predetermined threshold and whose deformation exceeds a second predetermined threshold according to a first number of consecutive image frames in the image frame in which the person is detected is the first person;

[0160] The third detecting unit 1003 is configured to detect, in the image frames in which a person is detec...

Embodiment 3

[0185] Embodiment 3 provides an electronic device. The problem-solving principle of the electronic device is similar to that of the device 1000 in Embodiment 2. Therefore, its specific implementation can refer to the device 1000 in Embodiment 2. The same content will not be described again.

[0186] Figure 16 It is a schematic diagram of the structure of an electronic device according to an embodiment of the present invention. Such as Figure 16 As shown, the electronic device 1600 may include: a central processing unit (CPU) 1601 and a memory 1602; the memory 1602 is coupled to the central processing unit 1601. The memory 1602 can store various data; in addition, it also stores data processing programs, and executes the programs under the control of the central processing unit 1601 .

[0187] In one embodiment, the functions of the device 1600 may be integrated into the central processing unit 1601 . Wherein, the central processing unit 1601 may be configured to implement...

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Abstract

The invention provides a falling detection method, a falling detection device and electronic equipment. The device comprises: a first detection unit which detects a person in an image frame; a seconddetection unit that detects, as a first person, a person whose movement displacement exceeds a first predetermined threshold value and deformation exceeds a second predetermined threshold value in accordance with a first number of consecutive image frames among the image frames in which the person is detected; a third detection unit that detects, as a second person, a person held still in the first person on the basis of a second number of consecutive image frames after the first number of consecutive image frames in the image frames in which the person is detected; and a fourth detection unitthat detects a stationary object in the image frame in the image frame in which the person is detected, and detects a fall action on the basis of the stationary object and the second person. According to the invention, the accuracy of fall detection can be improved, and the method is suitable for many scenes.

Description

technical field [0001] The present application relates to the field of information technology, in particular to a fall detection method based on video images, a fall detection device and electronic equipment. Background technique [0002] With the intensification of the aging society, consumers' demand for fall detection devices has increased rapidly in recent years. [0003] Existing fall detection devices are mainly divided into two categories: fall detection devices based on wearable devices, and fall detection devices based on the Context-Aware System. [0004] In fall detection devices based on wearable devices, accelerometers are usually used for fall detection. In addition, other sensors can also be used to obtain user information, for example, gyroscopes can be used to obtain user location information. [0005] In a fall detection device based on an environment perception system, a fall is detected by a sensing device installed in the environment. The sensing devic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06V10/764
CPCG06V40/10G06V20/41G08B21/043G08B21/0476G06T7/248G06V40/23G06V40/103G06V10/764G06T7/223G06T7/0002
Inventor 张宗艳王琪
Owner FUJITSU LTD