CN113382163A - Autistic child behavior capturing system based on infrared thermal image tracking - Google Patents
Autistic child behavior capturing system based on infrared thermal image tracking Download PDFInfo
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
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- H—ELECTRICITY
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- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
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- H04N5/33—Transforming infrared radiation
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- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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Abstract
The invention discloses an autism child behavior capturing system based on infrared thermal image tracking, which consists of an environment configuration system, an infrared thermal image tracking system and an autism child behavior capturing system, wherein the environment configuration system comprises a learning classroom, and a teaching aid for autism children and a scene for simulating normal class are arranged in the learning classroom; the infrared thermal image tracking system is composed of system hardware and determination software, wherein the system hardware comprises a computer, a thermal infrared imager, a first camera and a second camera. According to the autism child behavior capturing system based on thermal infrared image tracking, the thermal infrared imager distinguishes the front and the back of a child by analyzing a thermal image picture of the child, feeds back the front and the back to the first camera and the second camera in real time, improves the accuracy of an experimental result, performs a series of behavior analysis by shooting a large amount of tracking videos, and can provide reliable limb behavior data for early diagnosis of autism.
Description
Technical Field
The invention relates to the technical field of thermal imagery behavior analysis and shooting tracking determination, in particular to an autism child behavior capturing system based on infrared thermal imagery tracking.
Background
Behaviors are generally divided into two types of external behaviors and internal behaviors, wherein the external behaviors refer to behaviors which can be observed and recorded by other people, research on the external behaviors is focused on by applying behavior analysis, scientific analysis is carried out because the same external behaviors can be recorded almost uniformly even by different people, and the reliability of the analyzed result is high, so that the reliability of the implementation effect of a behavior scheme made according to the result is high;
thermography is a method of measuring the temperature of a target object by comparing the wavelength of the light scatter to the infrared spectrum, since we consider temperature as thermal energy, so this technique is also called infrared thermography, imaging is a contactless technique, converting infrared waves into an image that describes the temperature, the difference in the temperature range of the object in the image is displayed as a color spectrum, because of the non-contact technology, thermal imaging is an effective, safe and easy measurement method compared with the contact technology, can detect temperature rise, instability and local hot spots within a few seconds, is beneficial to finding out the potential fault problem of equipment or a system, avoids huge loss caused by stop, power failure or damage, thermal imaging is a very useful technique for devices that cannot be closed at will, are in difficult to access locations, or where physical contact may cause temperature differences or affect results;
autism, also called autism, is a common symptom of social communication disorder, narrow interest and the like, and in order to better measure the behaviors of children with autism, video tracking of the behaviors of children with autism and automatic identification and measurement analysis are performed, but the existing measuring method still has some defects, for example, the accuracy of measurement is not high, the automation of the whole operation is low, the tracking efficiency is also low, and the behavior measurement which meets the requirements of special group experiment environments of children with autism cannot be met, so the use efficiency of the existing measuring method is reduced.
Aiming at the problems, innovative design is urgently needed on the basis of the original system data analysis method.
Disclosure of Invention
The invention aims to provide an autism child behavior capturing system based on infrared thermography tracking, and aims to solve the problems that the existing autism determination method in the background art is low in accuracy, low in automation of the whole operation, low in tracking efficiency and incapable of meeting the behavior determination requirements of special group experiment environments such as autism children, and the using efficiency of the existing determination method is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: an autism child behavior capturing system based on infrared thermography tracking is composed of an environment configuration system, an infrared thermography tracking system and an autism child behavior capturing system, wherein the environment configuration system comprises a learning classroom, and a teaching aid for autism children and a scene for simulating normal class are arranged in the learning classroom; the infrared thermal image tracking system consists of system hardware and determination software, wherein the system hardware comprises a computer, a thermal infrared imager, a first camera and a second camera, and the thermal infrared imager is placed at a vertex angle of a learning classroom and used for analyzing a thermal image of a child with autism; the first camera is installed at the right vertex angle of a learning classroom, the second camera is installed at the left vertex angle of the learning classroom, the data obtained by analyzing the thermal image video of the autistic child through the thermal infrared imager are tracked and recorded in real time on the front of the autistic child, and the data in the first camera and the second camera are timely transmitted to the computer through the local area network in real time.
Preferably, the thermal infrared imager includes: the system comprises an infrared thermal image video acquisition module, a parameter setting module, an autism child motion track calculation module, a characteristic data calculation module, a result format display module and a storage module, so that the measured information can be transmitted in time, and the normal operation of the whole measuring system is ensured.
Preferably, thermal infrared imager and first camera are all installed at the right apex angle in study classroom, and thermal infrared imager is in the below of first camera, the left apex angle in study classroom is installed to the second camera, can carry out more comprehensive control to autism children in different positions, guarantees the accuracy of monitored information to improve survey efficiency.
Preferably, the computer records corresponding acquisition time, performs analog-to-digital conversion on data in the infrared thermal image video acquisition module to convert the data into digital infrared thermal image data, transmits the digital infrared thermal image data to the computer, and is connected with the infrared thermal image video acquisition module through a wireless network, so that the whole operation is simpler and more convenient, convenience is brought to the operation of workers, and the work progress and efficiency are improved.
Preferably, the thermal infrared imager analyzes the frontal face direction of the autistic child according to the acquired thermal image picture, feeds the frontal face direction back to the first camera and the second first camera for data acquisition, and is connected with the computer through a wireless network, so that information among all parts can be conveniently communicated, and the normal implementation of the whole determination method is further ensured.
Preferably, the output of infrared thermal image video acquisition module is connected with the input of parameter setting module, and the output of parameter setting module is connected with the input of autism children's motion trail calculation module, and the output of autism children's motion trail calculation module is connected with the input of characteristic data calculation module, and the output of characteristic data calculation module is connected with the input of result format display module simultaneously, the output of result format display module is connected with the input of storage module, has further guaranteed the normal clear of whole monitoring to can save monitoring information, the analysis of the later stage of being convenient for also further brings conveniently for the staff.
Preferably, thermal infrared imager, first camera and second camera are respectively through the top surface of fix with screw in study classroom, and be connected through wireless network between first camera and the second camera and the computer, can make thermal infrared imager, first camera and second camera are more firm when using, effectively prevent the phenomenon that drops in the use from appearing, the stability of having ensured whole operation goes on, the maintenance operation in the later stage of being convenient for simultaneously, make things convenient for the staff to thermal infrared imager, the dismantlement of first camera and second camera is changed.
Preferably, the first camera and the second camera are located on the same horizontal line, and an interval exists between the first camera and the thermal infrared imager, so that the front and the back of the autistic child can be monitored conveniently, and the use of the thermal infrared imager is not influenced.
Compared with the prior art, the invention has the advantages that: the autism child behavior capturing system based on infrared thermography tracking;
1. through the thorough understanding of the test environment and the combination of the external behaviors of the autistic children in daily life, the autistic behavior data captured by the infrared thermal imaging tracking system and the measuring system is carried out under the condition of a normal classroom, the normal activities of the autistic children are not influenced, and the results are more comprehensively analyzed through the measurement of various related parameters;
2. the infrared thermal imager distinguishes the front side and the back side of the child by analyzing a thermal image picture of the child, and feeds back the front side and the back side to the first camera and the second camera in real time, so that the front side action of the child with the autism is always recorded by the infrared thermal imager, the accuracy of an experimental result is improved, a large number of tracking videos are shot to perform a series of behavior analysis, and reliable limb behavior data can be provided for early diagnosis of the autism;
3. track points of the self-closed disease child position are obtained after each frame of digital infrared thermal image is calculated, a behavior track set of the self-closed disease child is generated according to the track point fitting of the self-closed disease child position, all module devices are directly available standardized devices, other external determination modules can be further expanded, data and index results calculated according to the behavior analysis of the self-closed disease child can be led into a computer, and a user can conveniently perform further determination processing in statistical software;
4. the determination system is an infrared thermal image tracking determination system, the targeted object is autism group children, a plurality of related behavior characteristic data such as the activity range, the behavior information, the motion trail and the like of a plurality of autism children in a learning classroom can be recorded simultaneously, the real reliability of an experimental result is increased, the determination mode is flexible, the start time and the stop time of recording can be manually set, the full-time-interval, all-direction and full-frequency-band monitoring is facilitated, the traditional selective design observation can be avoided, and the determination efficiency is improved.
Drawings
FIG. 1 is a schematic view of a video capture module according to the present invention;
FIG. 2 is a block diagram of a process of photographing the daily behavior of an autistic child using an infrared thermographic tracking measurement system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: an autism child behavior capturing system based on infrared thermography tracking is composed of an environment configuration system, an infrared thermography tracking system and an autism child behavior capturing system, wherein the environment configuration system comprises a learning classroom, and a teaching aid for autism children and a scene for simulating normal class are arranged in the learning classroom; the infrared thermal image tracking system consists of system hardware and determination software, wherein the system hardware comprises a computer, a thermal infrared imager, a first camera and a second camera, and the thermal infrared imager is placed at a vertex angle of a learning classroom and used for analyzing a thermal image of autistic children; the first camera is installed at the right vertex angle of a learning classroom, the second camera is installed at the left vertex angle of the learning classroom, the data obtained by analyzing the self-closed child thermal imagery videos through the thermal infrared imager are tracked and recorded in real time on the front of the self-closed child, and the data in the first camera and the second camera are timely transmitted to the computer in real time through the local area network.
The thermal infrared imager comprises: the system comprises an infrared thermal image video acquisition module, a parameter setting module, an autism child motion trail calculation module, a characteristic data calculation module, a result format display module and a storage module.
The thermal infrared imager and the first camera are both installed at the right vertex angle of the learning classroom, the thermal infrared imager is arranged below the first camera, and the second camera is installed at the left vertex angle of the learning classroom.
The computer records corresponding acquisition time, performs analog-to-digital conversion on data in the infrared thermal image video acquisition module to convert the data into digital infrared thermal image data, and transmits the digital infrared thermal image data to the computer, wherein the computer is connected with the infrared thermal image video acquisition module through a wireless network.
The infrared thermal imager analyzes the frontal face direction of the autistic child according to the collected thermal image pictures, feeds the frontal face direction back to the first camera and the second camera for data collection, and is connected with the computer through a wireless network.
The output end of the infrared thermal image video acquisition module is connected with the input end of the parameter setting module, the output end of the parameter setting module is connected with the input end of the autistic child motion trail calculation module, the output end of the autistic child motion trail calculation module is connected with the input end of the characteristic data calculation module, the output end of the characteristic data calculation module is connected with the input end of the result format display module, and the output end of the result format display module is connected with the input end of the storage module.
The thermal infrared imager, the first camera and the second camera are respectively fixed on the top surface of a learning classroom through screws, and the first camera, the second camera and the computer are connected through a wireless network.
The first camera and the second camera are located on the same horizontal line, and a gap exists between the first camera and the thermal infrared imager.
The working principle is as follows: when the system for capturing the behaviors of the autistic children based on the infrared thermal imagery tracking is used, according to the figure 1-2, the environment of the system for tracking and measuring the behaviors of the autistic children is configured firstly, the system comprises a learning classroom, a teaching aid for the autistic children and a scene for simulating normal class are arranged in the learning classroom, then measuring software of the system for tracking and measuring the behaviors of the autistic children is installed, an infrared thermal imager is installed at one vertex of the learning classroom for analyzing the thermal images of the autistic children, a first camera is installed at the right vertex of the learning classroom, a second camera is installed at the left vertex of the learning classroom, video shooting visual angles of the first camera and the second camera are adjusted to ensure that all the actions in a room can be collected, and then the infrared thermal imager is installed below the first camera, the video monitoring visual angle of the infrared thermal image tracking and measuring system is adjusted, the sampling frequency of the infrared thermal image tracking and measuring system is set, then the running program of the infrared thermal image tracking and measuring system is started, the system hardware of the infrared thermal image tracking and measuring system is initialized, as the infrared thermal imager is provided with the following tracking and measuring module which comprises an infrared thermal image video acquisition module, a parameter setting module, a autism child motion track calculation module, a characteristic data calculation module, a result format display module and a storage module, the output end of the infrared thermal image video acquisition module is connected with the input end of the parameter setting module, the output end of the parameter setting module is connected with the input end of the autism child motion track calculation module, the output end of the autism child motion track calculation module is connected with the input end of the characteristic data calculation module, and the output end of the characteristic data calculation module is connected with the input end of the result format display module, therefore, the measured information can be timely transmitted to a computer for display, the computer records corresponding acquisition time, the infrared thermal image data is subjected to analog-to-digital conversion and converted into digital infrared thermal image data, the digital infrared thermal image data is transmitted to the computer for storage, the measurement software calculates each frame of digital infrared thermal image to obtain track points of the position of the autism child, a behavior track set of the autism child is generated according to the track points of the position of the autism child, the camera performs tracking shooting and recording according to the behavior track fed back by the infrared image, the data is reserved in a storage module for analysis, normal activities of the autism child are not influenced, measurement of various related parameters enables result analysis to be more comprehensive, and the measurement efficiency of the method is improved.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an autism children's action capture system based on infrared thermal imagery tracking, this system comprises environment configuration system, infrared thermal imagery tracking system and autism children's action capture system three, its characterized in that: the environment configuration system comprises a learning classroom, and teaching aids for autistic children and scenes simulating normal class are arranged in the learning classroom; the infrared thermal image tracking system consists of system hardware and determination software, wherein the system hardware comprises a computer, a thermal infrared imager, a first camera and a second camera, and the thermal infrared imager is placed at a vertex angle of a learning classroom and used for analyzing a thermal image of a child with autism; the first camera is installed at the right vertex angle of a learning classroom, the second camera is installed at the left vertex angle of the learning classroom, the data obtained by analyzing the thermal image video of the autistic child through the thermal infrared imager are tracked and recorded in real time on the front of the autistic child, and the data in the first camera and the second camera are timely transmitted to the computer through the local area network in real time.
2. The autism child behavior capture system based on thermographic infrared tracking of claim 1, wherein: the thermal infrared imager comprises: the system comprises an infrared thermal image video acquisition module, a parameter setting module, an autism child motion trail calculation module, a characteristic data calculation module, a result format display module and a storage module.
3. The autism child behavior capture system based on thermographic infrared tracking of claim 1, wherein: the thermal infrared imager and the first camera are both installed at the right vertex angle of the learning classroom, the thermal infrared imager is arranged below the first camera, and the second camera is installed at the left vertex angle of the learning classroom.
4. The autism child behavior capture system based on thermographic infrared tracking of claim 1, wherein: the computer records corresponding acquisition time, performs analog-to-digital conversion on data in the infrared thermal image video acquisition module to convert the data into digital infrared thermal image data, and transmits the digital infrared thermal image data to the computer, wherein the computer is connected with the infrared thermal image video acquisition module through a wireless network.
5. The autism child behavior capture system based on thermographic infrared tracking of claim 1, wherein: the infrared thermal imager analyzes the frontal face direction of the autistic child according to the collected thermal image picture, feeds the frontal face direction back to the first camera and the second camera for data collection, and is connected with the computer through a wireless network.
6. The autism child behavior capture system based on thermographic infrared tracking of claim 2, wherein: the output end of the infrared thermal image video acquisition module is connected with the input end of the parameter setting module, the output end of the parameter setting module is connected with the input end of the autism child motion trail calculation module, the output end of the autism child motion trail calculation module is connected with the input end of the characteristic data calculation module, the output end of the characteristic data calculation module is connected with the input end of the result format display module, and the output end of the result format display module is connected with the input end of the storage module.
7. The autism child behavior capture system based on thermographic infrared tracking of claim 1, wherein: the infrared thermal imager, the first camera and the second camera are respectively fixed on the top surface of a learning classroom through screws, and the first camera, the second camera and the computer are connected through a wireless network.
8. The autism child behavior capture system based on thermographic infrared tracking of claim 1, wherein: the first camera and the second camera are located on the same horizontal line, and a gap exists between the first camera and the thermal infrared imager.
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