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Infant motion analysis system and infant vision analysis system based on motion

An analysis system and technology for infants and young children, applied in the field of infant vision analysis systems and infant movement analysis systems, can solve problems such as high requirements for testing personnel and testing conditions, inability to obtain test results, and limited scope of application, etc., to achieve Environmental conditions and testing personnel requirements are low, infant vision assessment results are objective, and the collection process is convenient and fast.

Active Publication Date: 2021-10-08
ZHONGSHAN OPHTHALMIC CENT SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. High requirements for testing personnel and testing conditions: Whether it is the Teller visual acuity card or the children's graphic vision chart, professional measuring personnel are required to operate in a standard measurement environment, and there are high requirements for the testing environment, testing equipment and testing personnel. Requirements, manpower and material costs are high
[0004] 2. The scope of application is relatively limited: ①The vision assessment process of children's graphic vision cards requires children to understand the measurement process and be able to interact with the measurer and make correct responses
However, infants under the age of 3 usually cannot understand this process well due to their immature cognitive development, and cannot cooperate with the measurement.
[0005] ②The visual acuity assessment process of the Teller visual acuity card requires children to be able to look at the measurement card in front of them normally, but some children under the age of 3 show tension, fear and other emotions in the standard testing environment, accompanied by crying, etc., which seriously affect the normal vision test Behavior of the process that seriously affects the accuracy of test results or fails to obtain valid test results
[0006] 3. Subjectivity of test results: The Teller visual acuity card requires the tester to judge the child's vision based on the child's response to different cards, but this judgment is subjective, which makes the repeatability of the measurement results low
[0007] 4. Limitation of the test environment: Due to the requirements of the test equipment and environment during the test process, the existing vision assessment technology cannot be carried out in the daily life environment, resulting in the inability to carry out large-scale screening of visual impairment in infants and young children at this stage (such as daily environmental screening)
[0008] In summary, due to the particularity of the measurement population, the cost and performance of traditional measurement methods restrict the vision measurement of infants under 3 years old, making it difficult to carry out early screening for visual impairment in a large area of ​​infants and young children based on the existing technology. A large number of visually impaired children missed the best opportunity for treatment, irreversible visual damage, and developed lifelong low vision and blindness, which caused enormous pressure on family, medical and social resources

Method used

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  • Infant motion analysis system and infant vision analysis system based on motion
  • Infant motion analysis system and infant vision analysis system based on motion
  • Infant motion analysis system and infant vision analysis system based on motion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] like figure 1 As shown, the present embodiment provides an infant movement analysis system, including:

[0053]Human face region generating module 10, for recognizing the human face in the input video frame by frame, obtains the human face region;

[0054] The target video extraction module 20 is used to predict the age of the corresponding person in the human face area, removes the human face area except the infant human face area, and obtains the target video;

[0055] The key position positioning module 30 is used to locate the key position of the infant in the target video, and cuts out the corresponding key position video for different key positions;

[0056] The specific action analysis module 40 is configured to analyze whether a specific action appears in the key part video, and obtain an analysis result about eyesight.

[0057] When the visual function of infants is impaired, sick infants will show different behavior patterns from normal infants in the early ...

Embodiment 2

[0097] Such as image 3 As shown, a kind of infant action analysis system, comprises the infant action analysis system described in embodiment 1 and vision assessment module 60, also includes:

[0098] Video playing module 51, for playing preset video;

[0099] The video collection module 52 is used for shooting the video when the infant watches the preset video as the input video.

[0100] By playing the preset video, infants and young children can be attracted to watch, and the faces of infants and young children can be guaranteed to face the camera as much as possible. The video captured in this way is used as the input video, which is beneficial to the intelligent analysis of the input video by the infant movement analysis system and improves the analysis efficiency. efficiency and accuracy.

[0101] During the shooting process of the video acquisition module 52, it can be selected to be carried out in a room that is quiet, free of external interference, and well-lit. Th...

Embodiment 3

[0105] Such as Figure 4 As shown, this embodiment provides an action-based infant vision analysis system, including the infant action analysis system as described in Embodiment 1 or Embodiment 2, and also includes:

[0106] The eyesight assessment module 60 is configured to input the analysis results about eyesight into the classifier, and output the probability of impairment of eyesight of infants.

[0107] The analysis result about eyesight obtained by the infant action analysis system is input into a classifier (such as a deep neural network, etc.) by the vision evaluation module 60, and the impaired probability of the infant's vision can be output, and the input video can be judged according to the impaired probability. Whether the infants and young children in the test are visually impaired.

[0108] The specific process of judging whether the infant in the input video is visually impaired can be: judging whether the probability of impairment exceeds the preset threshol...

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PUM

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Abstract

The present invention relates to an action analysis system for infants and young children and an action-based vision analysis system for infants and young children, wherein the action analysis system for infants and young children comprises: a face area generation module, which is used to identify the human face in the input video frame by frame, and obtain the face area The target video extraction module is used to predict the age of the person corresponding to the face area, remove the face area except the infant face area, and obtain the target video; the key part positioning module is used to locate the infant in the target video. The key parts of the key parts are cut out according to different key parts; the specific action analysis module is used to analyze whether a specific action occurs in the video of the key parts, and obtain the analysis results. Through the present invention, the data for infant vision assessment can be acquired more intelligently, conveniently and accurately.

Description

technical field [0001] The present invention relates to the technical field of video processing, and more specifically, to an infant action analysis system and an action-based infant vision analysis system. Background technique [0002] The shortcomings of the existing infant vision assessment and eye disease screening technology mainly include the following points: [0003] 1. High requirements for testing personnel and testing conditions: Whether it is the Teller visual acuity card or the children's graphic vision chart, professional measuring personnel are required to operate in a standard measurement environment, and there are high requirements for the testing environment, testing equipment and testing personnel. Requirements, the cost of manpower and material resources are high. [0004] 2. The scope of application is relatively limited: ①The vision assessment process of children's graphic vision cards requires children to be able to understand the measurement process ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B3/10H04N21/44
CPCA61B3/10A61B2503/04H04N21/44008
Inventor 林浩添陈文贲龙尔平项毅帆
Owner ZHONGSHAN OPHTHALMIC CENT SUN YAT SEN UNIV
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