CN111526338A - Data synchronous coding method of non-contact animal monitor - Google Patents
Data synchronous coding method of non-contact animal monitor Download PDFInfo
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Abstract
The invention discloses a data synchronous coding method of a non-contact animal monitor, which is suitable for monitoring animal sign behaviors. The non-contact animal monitor consists of a visible light three-dimensional camera module, an infrared thermal imaging module, a sound pick-up module, a network communication module, a controller, a power supply and a network server; the data synchronous encoding method is to add time stamps for time synchronous encoding for data with different rates and different dimensionalities, upload the data to a server, and synchronously display all the data again according to the synchronous time stamps. The invention realizes the online, non-contact and remote monitoring of the visible light video, infrared, sound and other multidimensional data of the animal, provides equipment and a method for monitoring the activity, the body temperature and the like of the animal, and provides an uninterrupted data source for other further researches.
Description
Technical Field
The invention relates to an animal sign data information acquisition and data synchronous encoding technology, in particular to a data synchronous encoding method of a non-contact animal monitor, which is suitable for animal sign behavior monitoring.
Background
Animal physical signs such as body temperature, blood oxygen, heart rate, exercise, chirping and the like are closely related to animal diseases, reproduction and production efficiency, and have important significance for improving animal growth efficiency and preventing disease research. For example, whether the feed and the growth environment have problems in the breeding process of the live pigs can be analyzed through the change of body temperature and heart rate; the diseases of the live pigs can be predicted through the changes of body temperature, blood oxygen and heart rate. At present, the conventional physiological sign detection mainly adopts a contact mode, such as a thermometer for measuring body temperature, an oximeter for measuring blood oxygen and the like, but adopts the contact mode, so that an animal can not avoid generating stress response, therefore, the measurement error is large, the measurement efficiency is low, long-term uninterrupted measurement cannot be realized, in addition, the instrument used for the contact measurement has high cost and is inconvenient to use, and the development of the animal physiological sign on-line monitoring technology is restricted.
At present, animal body and behavior monitoring mainly adopts a conventional two-dimensional video monitoring method, a camera is usually adopted for framing, and only single audio and video monitoring is realized in function; the infrared temperature measurement is used for measuring the body temperature of animals, generally adopting a single-point temperature measurement method and a multi-time measurement method, besides, an infrared camera is also used for measuring the animal temperature, audio and video monitoring and infrared measurement are independently processed, and actually, close relation exists between audio, video, body temperature and body temperature distribution and animal physical signs, so that the existing equipment and method cannot meet the requirement of monitoring the animal physical sign behavior accurately.
Aiming at the problems that the visible light video, the infrared thermal imaging and the sound do not have the same resolution and dimensionality, and the network synchronous transmission is difficult, the invention designs a data synchronous encoding method of a non-contact measurement animal sign monitor, which can simultaneously obtain the visible light video data, the infrared body temperature distribution data and the body temperature data of animal activities.
Disclosure of Invention
Accordingly, the present invention is directed to a method for synchronously encoding data of a non-contact animal monitor, which overcomes the disadvantages and drawbacks of the related art.
The method is realized by the following technical scheme that the method comprises the steps of carrying out data synchronous coding on data with different rates and different dimensions, which are formed by visible light video data, three-dimensional depth data, body surface temperature data, sound and body temperature data of a monitor, respectively adding timestamps for time synchronous coding to each data, uploading the timestamps to a server by adopting a stream coding technology, and synchronously displaying all the data again according to each data synchronous timestamp after the server acquires the video data.
Further, the data synchronous encoding method specifically comprises the following steps:
step 1: adding synchronous encoding timestamps to two-dimensional visual data and three-dimensional depth data in a visible light three-dimensional camera module, and simultaneously adding synchronous timestamps to body surface temperature data of an infrared thermal imaging module and sound flow of a sound pickup module;
step 2: correcting the distance coefficient of infrared temperature measurement by using the depth data of the three-dimensional depth image and adopting a regression or fitting calculation method, thereby obtaining a body temperature distribution map of the animal;
and step 3: in order to calculate the body temperature data, firstly, the body surface of the live pig is identified by adopting an image identification method, and then the overall body temperature of the live pig is calculated by adopting the following formula:
wherein p is0Is a set certain temperature threshold, piThe temperature value of the body surface of the live pig is used for facilitating subsequent processing, and meanwhile, the body temperature data is coded into the body temperature distribution map;
or
Wherein the functionf(x,y)Is a polynomial fitting function with respect to x, y, i.e.
M is the highest order number;
and 4, step 4: uploading the 2D visible light video stream, the 3D depth data stream, the infrared thermal imaging video and the body temperature distribution map which are added with the synchronous timestamp to a server by adopting a streaming media transmission technology;
and 5: uploading the timestamp and the body temperature data to a database of a server to generate a time index;
step 6: the streaming media server respectively transfers the visible light video, the 3D depth data, the infrared thermal imaging and the body temperature distribution data stream to the server according to the synchronous timestamp; simultaneously saving the time stamp in a database;
and 7: the server can realize the synchronous display of the data again according to the time stamp.
Furthermore, the monitor mainly comprises a visible light three-dimensional camera module for recording and monitoring two-dimensional visual data and three-dimensional depth data of animals in real time; the infrared thermal imaging module is used for obtaining an infrared distribution map of the surface of the animal body; correcting the distance parameters through the three-dimensional depth data to obtain a more accurate animal body surface temperature distribution map and the animal body temperature; the system further comprises a sound pickup module, a network communication module, a controller, a power supply and a network server;
the modules are connected in the following specific manner:
the visible light three-dimensional camera module, the infrared thermal imaging module and the sound pick-up module form an integrated device which is connected with a controller, the controller is respectively connected with a power supply and a network communication module, and the network communication module is connected with a network server;
the integrated device mainly comprises a visible light three-dimensional camera, an infrared thermal imager and a pickup, and is used for shooting the production environment of animals, the visible light three-dimensional camera calculates the depth data and the shape data of the animals, the infrared thermal imager calculates the body temperature and the body temperature distribution of the animals, and the pickup synchronously records the sound of the monitoring environment;
and the controller uploads the data acquired by the integration device to the network server through the network communication module under the condition of switching on the power supply.
Further, the data synchronous encoding method of the non-contact animal monitor comprises the following working steps:
step 1.1: recording two-dimensional visual data and three-dimensional depth data of a monitored animal in real time by using a visible light three-dimensional camera module, and calculating the depth data and the appearance data of the animal in a video;
step 1.2: an infrared thermal imaging module is used for obtaining an animal body surface infrared distribution map, and the distance parameters are corrected through the three-dimensional depth data in the step 1.1, so that a more accurate animal body surface temperature distribution map and the body temperature of the animal are obtained;
step 1.3: synchronously recording and monitoring the sound of the environment by using a sound pickup module to acquire sound data;
step 1.4: uploading the video data obtained in the step 1.1, the animal body surface temperature distribution map and the animal body temperature data obtained in the step 1.2 and the sound data obtained in the step 1.3 to a server through a network communication module according to time uniform codes by using a controller;
step 1.5: the server calculates the body temperature, body temperature distribution and heart rate of the monitored animal, codes the body temperature, body temperature distribution and heart rate according to time, and stores the result on the server.
Further, in step 1.4, the specific steps of uploading data to the server by the controller are as follows:
step 1.4.1: the controller uploads the data obtained in the step 1.1, the step 1.2 and the step 1.3 to the streaming media server by adopting an asynchronous method through a network communication module;
step 1.4.2: the streaming media server generates a time synchronization track index according to the timestamp, stores the time synchronization track index in a database, and simultaneously stores the data stream acquired in the step 1.4.1 in a corresponding server;
step 1.4.3: and the server realizes the data reconstruction according to the time synchronization track index.
Compared with the prior art, the invention has the following beneficial effects: firstly, the distance coefficient of the distance correction infrared temperature measurement of the animal is calculated by utilizing the traditional 3D camera shooting principle, and the calculation precision of the body surface temperature and the body surface temperature distribution map of the animal is improved; synchronously recording visible light, infrared temperature measurement images, three-dimensional depth data and sound sampling data, and adding synchronous timestamps for the data with different rates, different resolutions and different dimensions to realize time synchronous coding of the multi-element data; thirdly, the data is uploaded to the server by adopting a multimedia data stream technology, the server can synchronously decode according to time, the data can be obtained again, the data can be reproduced and stored again, and the data coding and decoding technology provides a reliable method for the synchronous display and the asynchronous data transmission of the multivariate data.
Drawings
Fig. 1 is a flow chart of a data synchronous encoding method.
Figure 2 is a block diagram of a non-contact animal monitor.
Fig. 3 is a diagram of an integrated device of a 3D camera, an infrared thermal imager and a sound pickup.
In the attached drawings, (1) is a 3D imaging module, (2) is an infrared thermal imaging module, (3) is a sound pick-up module, (4) is a controller, (5) is a power supply, (6) is a communication module, and (7) is a server. (11) The device comprises a 3D camera, an infrared thermal imager (21) and a sound pick-up (31).
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the embodiments illustrated in fig. 1 to 3.
The invention provides a data synchronous coding method of a non-contact animal monitor, which comprises the steps of carrying out data synchronous coding on data with different rates and different dimensions formed by visible light video data, three-dimensional depth data, body surface temperature data, sound and body temperature data of the monitor together, adding a time stamp for time synchronous coding to each data respectively, uploading the data to a server by adopting a stream coding technology, and synchronously displaying all the data again according to each data synchronous time stamp after the server acquires video data.
Specifically, with reference to fig. 1, the data synchronous encoding method includes the following steps:
step 1: adding synchronous encoding timestamps to two-dimensional visual data and three-dimensional depth data in a visible light three-dimensional camera module, and simultaneously adding synchronous timestamps to body surface temperature data of an infrared thermal imaging module and sound flow of a sound pickup module;
step 2: correcting the distance coefficient of infrared temperature measurement by using the depth data of the three-dimensional depth image and adopting a regression or fitting calculation method, thereby obtaining a body temperature distribution map of the animal;
and step 3: in order to calculate the body temperature data, firstly, the body surface of the live pig is identified by adopting an image identification method, and then the overall body temperature of the live pig is calculated by adopting the following formula:
wherein p is0Is a set certain temperature threshold, piThe temperature value of the body surface of the live pig is used for facilitating subsequent processing, and meanwhile, the body temperature data is coded into the body temperature distribution map;
or
Wherein the functionf(x,y)Is a polynomial fitting function with respect to x, y, i.e.
M is the highest order number;
and 4, step 4: uploading the 2D visible light video stream, the 3D depth data stream, the infrared thermal imaging video and the body temperature distribution map which are added with the synchronous timestamp to a server by adopting a streaming media transmission technology;
and 5: uploading the timestamp and the body temperature data to a database of a server to generate a time index;
step 6: the streaming media server respectively transfers the visible light video, the 3D depth data, the infrared thermal imaging and the body temperature distribution data stream to the server according to the synchronous timestamp; simultaneously saving the time stamp in a database;
and 7: the server can realize the synchronous display of the data again according to the time stamp.
The monitor mainly comprises a visible light three-dimensional camera module 1 which is used for recording and monitoring two-dimensional visual data and three-dimensional depth data of animals in real time; the infrared thermal imaging module 2 is used for obtaining an infrared distribution map of the body surface of the animal; correcting the distance parameters through the three-dimensional depth data to obtain a more accurate animal body surface temperature distribution map and the animal body temperature; and secondly, the system also comprises a sound pickup module 3, a network communication module 4, a controller 5, a power supply 6 and a network server 7.
Specifically, as shown in fig. 2, the modules are connected in the following specific manner:
the visible light three-dimensional camera module 1, the infrared thermal imaging module 2 and the sound pick-up module 3 form an integrated device which is connected with the controller 4, the controller 4 is respectively connected with the power supply 5 and the network communication module 6, and the network communication module 6 is connected with the network server 7.
Specifically, as shown in fig. 3, the integrated device is composed of an animal visible light 3D depth imaging camera 11, an infrared thermal imager 21 and a sound synchronous acquisition pickup 31. In the device, a visible light 3D depth imaging camera 11, an infrared thermal imager 21 and a sound synchronous acquisition pickup 31 respectively correspond to a visible light three-dimensional camera module 1, an infrared thermal imaging module 2 and a pickup module 3; the method comprises the steps that a visible light 3D depth imaging camera and an infrared thermal imager are used for shooting the production environment of an animal, the depth data and the shape data of the animal are calculated by a visible light three-dimensional shooting module 1, the body temperature and the body temperature distribution of the animal are calculated by an infrared thermal imaging module 2, and the sound synchronous acquisition pickup module 3 synchronously records the sound of the monitoring environment; the device is a prerequisite basis for subsequent application;
when the power supply 5 is turned on, the controller 4 uploads the data acquired in the integration apparatus to the web server 7 through the web communication module 6.
FIG. 2 is further illustrated by the following examples 1-2:
example 1: a non-contact animal signs monitor;
the infrared thermal imaging camera mainly comprises a visible light imaging 3D camera module or a 2D camera module 1 with three-dimensional computing capability, an infrared thermal imaging module 2, a sound pickup module or a sound pickup array 3, a controller 4, a network communication module 5, a server 6 and a power supply 7. The visible light camera module 1, the infrared thermal imaging module 2 and the sound pickup module 3 synchronously collect video data and sound data, the controller 4 calculates the body temperature and body temperature distribution of the monitored animals, and the controller 4 is connected with the power supply 5 to upload the video data, sound and analysis results to the server 7 through the network communication module 5 according to time unified coding.
Example 2: a non-contact animal sign multi-parameter monitor;
the infrared thermal imaging camera mainly comprises a visible light imaging 3D camera module or a 2D camera module 1 with three-dimensional computing capability, an infrared thermal imaging module 2, a sound pickup module or a sound pickup array 3, a controller 4, a network communication module 5, a server 6 and a power supply 7. The visible light camera module 1, the infrared thermal imaging module 2 and the sound pickup module 3 synchronously acquire video data, infrared data and sound data, the controller 4 is connected with the power supply 7 to upload the server 7 through the network communication module 5 after being coded in a unified mode according to time nodes, and the server 7 calculates a plurality of parameters of body temperature, body temperature distribution and heart rate of the monitored animal, codes the parameters according to time and stores the parameters on the server 7.
The data synchronous encoding method of the non-contact animal monitor comprises the following working steps:
step 1.1: recording two-dimensional visual data and three-dimensional depth data of a monitored animal in real time by using a visible light three-dimensional camera module, and calculating the depth data and the appearance data of the animal in a video;
step 1.2: an infrared thermal imaging module is used for obtaining an animal body surface infrared distribution map, and the distance parameters are corrected through the three-dimensional depth data in the step 1.1, so that a more accurate animal body surface temperature distribution map and the body temperature of the animal are obtained;
step 1.3: synchronously recording and monitoring the sound of the environment by using a sound pickup module to acquire sound data;
step 1.4: uploading the video data obtained in the step 1.1, the animal body surface temperature distribution map and the animal body temperature data obtained in the step 1.2 and the sound data obtained in the step 1.3 to a server through a network communication module according to time uniform codes by using a controller;
step 1.5: the server calculates the body temperature, body temperature distribution and heart rate of the monitored animal, codes the body temperature, body temperature distribution and heart rate according to time, and stores the result on the server.
Further, in step 1.4, the specific steps of uploading data to the server by the controller are as follows:
step 1.4.1: the controller uploads the data obtained in the step 1.1, the step 1.2 and the step 1.3 to the streaming media server by adopting an asynchronous method through a network communication module;
step 1.4.2: the streaming media server generates a time synchronization track index according to the timestamp, stores the time synchronization track index in a database, and simultaneously stores the data stream acquired in the step 1.4.1 in a corresponding server;
step 1.4.3: and the server realizes the data reconstruction according to the time synchronization track index.
Claims (5)
1. A data synchronous coding method of a non-contact animal monitor is characterized in that,
the method comprises the steps of carrying out data synchronous coding on data of different rates and different dimensions, which are formed by visible light video data, three-dimensional depth data, body surface temperature data, sound and body temperature data of a monitor together, adding timestamps for time synchronous coding to each data respectively, uploading the data to a server by adopting a stream coding technology, and synchronously displaying all data again according to each data synchronous timestamp after the server acquires the video data.
2. The data synchronous encoding method of the non-contact animal monitor as claimed in claim 1, wherein the data synchronous encoding method comprises the following steps:
step 1: adding synchronous encoding timestamps to two-dimensional visual data and three-dimensional depth data in a visible light three-dimensional camera module, and simultaneously adding synchronous timestamps to body surface temperature data of an infrared thermal imaging module and sound flow of a sound pickup module;
step 2: correcting the distance coefficient of infrared temperature measurement by using the depth data of the three-dimensional depth image and adopting a regression or fitting calculation method, thereby obtaining a body temperature distribution map of the animal;
and step 3: in order to calculate the body temperature data, firstly, the body surface of the live pig is identified by adopting an image identification method, and then the overall body temperature of the live pig is calculated by adopting the following formula:
wherein p is0Is a set certain temperature threshold, piThe temperature value of the body surface of the live pig is used for facilitating subsequent processing, and meanwhile, the body temperature data is coded into the body temperature distribution map;
and 4, step 4: uploading the 2D visible light video stream, the 3D depth data stream, the infrared thermal imaging video and the body temperature distribution map which are added with the synchronous timestamp to a server by adopting a streaming media transmission technology;
and 5: uploading the timestamp and the body temperature data to a database of a server to generate a time index;
step 6: the streaming media server respectively transfers the visible light video, the 3D depth data, the infrared thermal imaging and the body temperature distribution data stream to the server according to the synchronous timestamp; simultaneously saving the time stamp in a database;
and 7: the server can realize the synchronous display of the data again according to the time stamp.
3. The data synchronous coding method of the non-contact animal monitor according to claim 1, characterized in that the monitor mainly comprises a visible light three-dimensional camera module (1) for recording two-dimensional visual data and three-dimensional depth data of the monitored animal in real time; and an infrared thermal imaging module (2) for obtaining an infrared distribution map of the body surface of the animal; correcting the distance parameters through the three-dimensional depth data to obtain a more accurate animal body surface temperature distribution map and the animal body temperature; the system further comprises a sound pickup module (3), a network communication module (4), a controller (5), a power supply (6) and a network server (7); the modules are connected in the following specific manner:
the system comprises a visible light three-dimensional camera module (1), an infrared thermal imaging module (2) and a sound pick-up module (3), wherein the visible light three-dimensional camera module, the infrared thermal imaging module and the sound pick-up module form an integrated device which is connected with a controller (4), the controller (4) is respectively connected with a power supply (5) and a network communication module (6), and the network communication module (6) is connected with a network server (7);
the integrated device mainly comprises a visible light three-dimensional camera (11), an infrared thermal imager (21) and a sound pickup (31), and is used for shooting the production environment of animals, the visible light three-dimensional camera (11) calculates the depth data and the shape data of the animals, the infrared thermal imager (21) calculates the body temperature and body temperature distribution of the animals, and the sound pickup (31) synchronously records the sound of the monitoring environment;
and the controller (4) uploads the data acquired in the integration device to a network server (7) through a network communication module (6) under the condition that the power supply (5) is switched on.
4. A method for synchronously encoding data of a non-contact animal monitor according to any one of claims 1 to 3, characterized by comprising the following working steps:
step 1.1: recording two-dimensional visual data and three-dimensional depth data of a monitored animal in real time by using a visible light three-dimensional camera module, and calculating the depth data and the appearance data of the animal in a video;
step 1.2: an infrared thermal imaging module is used for obtaining an animal body surface infrared distribution map, and the distance parameters are corrected through the three-dimensional depth data in the step 1.1, so that a more accurate animal body surface temperature distribution map and the body temperature of the animal are obtained;
step 1.3: synchronously recording and monitoring the sound of the environment by using a sound pickup module to acquire sound data;
step 1.4: uploading the video data obtained in the step 1.1, the animal body surface temperature distribution map and the animal body temperature data obtained in the step 1.2 and the sound data obtained in the step 1.3 to a server through a network communication module according to time uniform codes by using a controller;
step 1.5: the server calculates the body temperature, body temperature distribution and heart rate of the monitored animal, codes the body temperature, body temperature distribution and heart rate according to time, and stores the result on the server.
5. The method for synchronously encoding data of a non-contact animal monitor according to claim 4, wherein in the step 1.4, the specific steps of uploading the data to the server by the controller are as follows:
step 1.4.1: the controller uploads the data obtained in the step 1.1, the step 1.2 and the step 1.3 to the streaming media server by adopting an asynchronous method through a network communication module;
step 1.4.2: the streaming media server generates a time synchronization track index according to the timestamp, stores the time synchronization track index in a database, and simultaneously stores the data stream acquired in the step 1.4.1 in a corresponding server;
step 1.4.3: and the server realizes the data reconstruction according to the time synchronization track index.
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| TWI836453B (en) * | 2022-05-27 | 2024-03-21 | 塞席爾商阿果明股份有限公司 | Animal growth identification method and system |
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