CN111860365A - Classroom light adjusting method and device, computer equipment and storage medium - Google Patents
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Abstract
The invention belongs to the field of big data, is applied to intelligent education, and discloses a classroom light adjusting method and device, computer equipment and a storage medium. The method comprises the following steps: taking a courseware display picture and a target user in the target information as a detection core of the multiplexing camera; real-time light is modulated in the virtual drawing board according to the face brightness of a target user, the facial expression of the target user, the background color of courseware and courseware display contents which are identified by the multiplexing camera in real time, first light information which is most suitable for a current courseware is analyzed in real time according to the modulated real-time light, and the first light information is transmitted to the light central control system in real time, so that the light central control system can simultaneously adjust the light irradiation angle, the irradiation height and the light color temperature in the current courseware according to the first light information. The invention can automatically adjust the light of the classroom under the condition of low cost, so as to ensure the watching definition of courseware and the good appearance of a teacher, and further improve the teaching quality of the classroom.
Description
Technical Field
The invention relates to the field of data analysis in the field of big data, in particular to a classroom light adjusting method and device, computer equipment and a storage medium.
Background
Currently, high-quality education in China is in a scarce state, how to enable students to enjoy high-quality education resources and how to break the contradiction between time and space of the education resources becomes an urgent need at present.
At present, in order to improve the education quality, the standardized teaching classroom construction and the scheme of improving the external image and the teaching result of a teaching teacher through a beauty camera appear, the scheme is mainly realized by strictly requiring the size, the background, the decoration content and the like of the teaching classroom, and the scheme has the defects that: firstly, it needs to spend higher cost, and, in the course of giving lessons to the teacher, because the courseware (for example, PPT) colour that shows on the screen of giving lessons can change along with it, and classroom environment light can be complicated and changeable along with changes such as weather, so, above-mentioned change all can directly influence the definition that the student watched the courseware, and in the courseware colour and the environment light that constantly change, also difficult assurance is given lessons the intact of teacher's external image, for example, the facial characteristic of giving lessons teacher can also appear the state etc. that is difficult for observing thereupon, thereby lead to giving lessons teacher and student to have the phenomenon that experience effect is relatively poor, and then directly influence the teaching quality in two teacher's classrooms.
Disclosure of Invention
Therefore, it is necessary to provide a classroom lighting adjustment method, device, computer equipment, and storage medium for automatically adjusting classroom lighting at a low cost, so as to ensure the clarity of courseware viewing and the appearance of teachers, and further improve the classroom teaching quality.
A classroom light adjustment method comprises the following steps:
receiving a courseware opening instruction sent by a control terminal in the current classroom, and determining target information by multiplexing a camera; the target information comprises a courseware display picture and a target user, wherein the actual distance of the courseware display picture is within a preset target distance;
taking the courseware display picture and the target user in the target information as a detection core of the multiplexing camera, and enabling the multiplexing camera to identify the face brightness, the facial expression, the background color and the courseware display content of the target user in the current classroom in real time;
modulating real-time light in a virtual drawing board according to the face brightness of the target user, the facial expression of the target user, the courseware background color and courseware display content, fusing the modulated real-time light in a virtual picture of the current courseware, analyzing first light information which is most suitable for the current courseware in real time according to the virtual picture, and transmitting the first light information to a light central control system in real time so that the light central control system can simultaneously adjust the light irradiation angle, the irradiation height and the light color temperature in the current courseware according to the first light information;
and when detecting that the target information is not recognized by the multiplexing camera within a preset time threshold, enabling the light central control system to close the light in the current classroom.
A classroom light adjustment device comprising:
the first determining module is used for receiving courseware opening instructions sent by a control terminal in the current classroom and determining target information by multiplexing a camera; the target information comprises a courseware display picture and a target user, wherein the actual distance of the courseware display picture is within a preset target distance;
the identification module is used for taking the courseware display picture and the target user in the target information as a detection core of the multiplexing camera, and enabling the multiplexing camera to identify the face brightness, the facial expression, the background color and the courseware display content of the target user in the current classroom in real time;
the first adjusting module is used for modulating real-time light in a virtual drawing board according to the face brightness of the target user, the facial expression of the target user, the background color of the courseware and the courseware display content, fusing the modulated real-time light in a virtual picture of the current courseware, analyzing first light information which is most suitable for the current courseware in real time according to the virtual picture, transmitting the first light information to a light central control system in real time, and enabling the light central control system to simultaneously adjust a light irradiation angle, an irradiation height and a light color temperature in the current courseware according to the first light information;
and the closing module is used for enabling the light central control system to close the light in the current classroom when the multiplexing camera is detected not to recognize the target information within a preset time threshold.
A computer device comprising a memory, a processor and a computer program stored in said memory and executable on said processor, said processor implementing the above-mentioned classroom light adjustment method when executing said computer program.
A computer-readable storage medium, in which a computer program is stored, which, when being executed by a processor, implements the above-mentioned classroom light adjustment method.
The classroom light adjusting method, the classroom light adjusting device, the computer equipment and the storage medium can automatically adjust the light of the current classroom, do not need to worry about various construction conditions of the current classroom, do not need to spend higher cost to establish the classroom, do not need to worry about the influence of various current environments on the light in the current classroom, and can ensure the watching definition of courseware in the current classroom and the good appearance of a teacher, thereby improving the teaching quality of the classroom. The invention is also applied to the field of intelligent education, thereby promoting the construction of intelligent cities.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic diagram of an application environment of a classroom lighting adjustment method according to an embodiment of the present invention;
FIG. 2 is a flow chart of a classroom lighting adjustment method in accordance with one embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a classroom lighting adjustment device in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram of a computer device according to an embodiment of the 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 some, not all, embodiments of the present invention. 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.
The invention provides a classroom light adjusting method, which relates to the monitoring field in the field of pedestal operation and maintenance; the method can also be applied to the field of smart cities, so that the construction of the smart cities is promoted. The method can be applied in an application environment as in fig. 1, where a client communicates with a server over a network. Among other things, the client may be, but is not limited to, various personal computers, laptops, smartphones, tablets, and portable wearable devices. The server may be implemented as a stand-alone server or as a server cluster consisting of a plurality of servers.
In an embodiment, as shown in fig. 2, a classroom lighting adjustment method is provided, which is described by taking the server in fig. 1 as an example, and includes the following steps:
s10, receiving a courseware opening instruction sent by a control terminal in the current classroom, and determining target information by multiplexing a camera; the target information comprises a courseware display picture and a target user, wherein the actual distance of the courseware display picture is within a preset target distance;
it should be understood that the execution subject related to this embodiment is a server with control function, and the server can control, multiplex a camera control terminal (the control terminal referred to in this embodiment may refer to a computer device or a mobile device stored in the current classroom, the computer device may be used to store various types of courseware, the mobile device is used to manually trigger courseware opening instructions), and a lighting central control system, wherein, the multiplexing camera is used for color detection, face recognition and image recognition, the lighting central control system is used to adjust a lighting angle, a lighting height, a lighting color temperature, and the like in a lighting device, the lighting device mentioned here is RGB three-color LED lighting installed in a proper position in the current classroom, and it should be noted that this embodiment is mainly applied to a teacher classroom; target users in the target information refer to teachers giving lessons in the current classroom, courseware display pictures in the target information can display similar types of courseware such as word, ppt and excel in terms of words, and display contents in the courseware display pictures are teaching contents of the current teachers. In the embodiment, when a courseware opening instruction is received, it can be determined that a teacher starts a current teaching process, and at the moment, the server determines the target information through the multiplexing camera, so that on one hand, the target information is conveniently monitored subsequently, on the other hand, the multiplexing camera can be prevented from being always in a working state of determining the target information, and further, the working time of the multiplexing camera is reduced.
S20, taking the courseware display picture and the target user in the target information as a detection core of the multiplexing camera, and enabling the multiplexing camera to recognize the face brightness, the facial expression, the background color and the courseware display content of the target user in the current classroom in real time;
understandably, the courseware display picture and the target user in the target information are used as the detection core of the multiplexing camera, and the detection core can be realized by the character characteristics of the target user and the position information of the courseware display picture in the current classroom which are stored in advance, so the stored information can be used as the moving target of the multiplexing camera; the face brightness and the target facial expression of the target user are recognized in real time through a face recognition method integrated in the multiplexing camera, wherein the face brightness is easily influenced by the current environment to cause face overexposure or face darkness, and the like; the courseware background color is recognized in real time through a color detection algorithm integrated in the multiplexing camera, wherein the courseware background color comprises deep color, light color, design color and the like; the courseware display content is recognized in real time through an image recognition algorithm integrated in the multiplexing camera, wherein the courseware display content comprises pictures, texts, characters and the like of various themes, and it needs to be stated that the courseware display content corresponds to the facial expressions of the target user one by one, and if the courseware display content is a patriotic theme, the facial expressions of the target user are excited and other facial expressions of the target user; it should be noted that the above-mentioned face brightness, facial expression, background color and courseware display content of the target user are affected by various current environments in the current classroom to some extent, which may cause the problem that the face brightness, facial expression, background color and courseware display content of the target user have low brightness or low definition (may be affected by various reflection interferences in the current environment, etc., so as to affect the light of the target information in the current classroom), where the current environment includes a weather environment and an environment formed by various objects such as buildings and trees. The embodiment combines the multiplexing camera to simultaneously identify the face brightness, the facial expression, the courseware background color and the courseware display content of the target user, so that the embodiment can be considered from multidimensional factors, and further the comprehensive characteristic in the identification process can be ensured.
S30, modulating real-time light in a virtual drawing board according to the face brightness of the target user, the facial expression of the target user, the background color of the courseware and the courseware display content, fusing the modulated real-time light in a virtual picture of the current courseware, analyzing first light information which is most suitable for the current courseware in real time according to the virtual picture, and transmitting the first light information to a light central control system in real time so that the light central control system can simultaneously adjust the light irradiation angle, the light irradiation height and the light color temperature in the current courseware according to the first light information;
understandably, the virtual drawing board is controlled by the server, so in this embodiment, the virtual drawing board can be called by the server, wherein the virtual drawing board includes various colors, RGB is used as the initial color for modulation, so as to modulate real-time light (for example, the brightness of the face of the target user is 1 brightness, the facial expression of the target user is happy, the background color of the courseware is dark color, the courseware display content is about the sea theme, and the brightness of the face of the target user is 1 brightness, the real-time light should be dark color light, the facial expression of the target user is happy, the real-time light should be happy color, and the background color of the courseware is dark color, the real-time light should be strong color temperature light, and the courseware display content is about the sea theme, the real-time light is blue light, at the moment, the face brightness of a target user, the facial expression of the target user, the courseware background color and the courseware display content are subjected to normalized conversion, a corresponding weight coefficient in the face brightness of the target user, the facial expression of the target user, the courseware background color and the courseware display content is given to the target user, the final total weight value is finally calculated, the real-time light corresponding to the target user is determined from a preset table through the total weight value, and therefore the finally obtained light color of the real-time light can be deep blue), and the real-time light is light color; the virtual picture is obtained from a virtual three-dimensional model, wherein the three-dimensional model is a model established according to the current classroom based on three-dimensional modeling software, the three-dimensional model can image all objects in the current classroom, such as objects of a lighting device, courseware display pictures and the like, particularly, the light simulation is carried out in the three-dimensional model by real-time light, a plurality of virtual pictures fusing real-time light can be generated, and finally, various virtual pictures are analyzed to determine the most suitable virtual picture (the specific analysis process is to analyze light color temperature information by the real-time light, irradiate the real-time light from a plurality of light irradiation angles and irradiation heights in target information, select the light irradiation angle and the irradiation height information with the best light effect, and use the light color temperature information, the light irradiation angle and the irradiation height information as the first light information most suitable for the current classroom), and determining the first light information which is most suitable for the current classroom through the most suitable virtual picture. The embodiment can realize the modulation of the light irradiation angle, the irradiation height and the light color temperature in the current classroom (equivalently, the light is supplemented to the current classroom) according to the specific face brightness of the target user, the facial expression of the target user, the background color of the courseware and the courseware display content, on one hand, a teacher giving lessons can present the lessons in front of the students with the best external image, the experience effects of the students and the teacher are improved, on the other hand, the influence of the external environment on the definition of courseware display pictures in the current classroom can be avoided, and the teaching quality can be further improved.
And S40, when detecting that the multiplexing camera does not recognize the target information within a preset time threshold, enabling the light central control system to close the light in the current classroom.
In this embodiment, when it is detected that the target information is not recognized by the multiplexing camera within the preset time threshold, it may be determined that the teacher has completed the current teaching process in the current classroom, and at this time, the light in the current classroom may be turned off by the light central control system, so that the waste of resources is reduced. It should be noted that, at this time, the multiplexing camera may turn on the video recording function, but may temporarily turn off the function of recognizing the face brightness, facial expression, courseware background color and courseware display content of the target user in the current classroom, so as to reduce the workload of multiplexing the camera. In another embodiment, when it is detected that the target information is not recognized by the multiplexing camera within a preset time threshold, the light central control system is made to irradiate the shooting area of the multiplexing camera in a soft light mode, and simultaneously the terminal equipment is made to play back easy background music or/and video pictures, until the target information is not recognized by the multiplexing camera, the light central control system is made to turn off the light in the current classroom.
In one embodiment, the multiplexing camera integrates a color detection algorithm, a face recognition method and an image recognition algorithm;
the order multiplex camera real-time identification target user face brightness, target user facial expression, courseware background color and courseware show content in current classroom includes:
identifying the face brightness and the target facial expression of the target user in real time through the face identification method integrated in the multiplexing camera;
identifying the courseware background color in real time through the color detection algorithm integrated in the multiplexing camera;
and identifying the courseware display content in real time through the image identification algorithm integrated in the multiplexing camera.
Further, after receiving a courseware opening instruction sent by a control terminal in the current classroom, the method further includes:
the method comprises the steps of obtaining the illumination intensity of a current classroom in the current environment, detected in real time by a preset illumination intensity sensor, determining the initial brightness and the ending brightness of a courseware display picture in the current classroom according to the illumination intensity, and adjusting the brightness of the courseware display picture according to the initial brightness and the ending brightness.
Understandably, the initial brightness refers to the brightness of the courseware display picture at the starting time point under the illumination intensity in the current environment, and the ending brightness refers to the brightness of the courseware display picture at the ending time point under the illumination intensity in the current environment, wherein the brightness of the ending brightness is larger than that of the initial brightness; after determining that the teacher has started the current teaching process, the present embodiment may obtain the illumination intensity in the current environment through a preset illumination intensity sensor installed in an appropriate location in the current classroom, at this time, the present embodiment may determine, in combination with the current illumination intensity, the brightness of the courseware display image suitable for human eyes, where the brightness includes an initial brightness and an end brightness, and the present embodiment performs brightness adjustment from the initial brightness to the end brightness, so as to attract the attention of human eyes.
Further, the determining target information by multiplexing cameras includes:
acquiring character features of the target user and position information of the courseware display picture displayed in the current courseware, and calculating the actual distance between the target user and the courseware display picture in real time according to the character features and the position information through the multiplexing camera;
when the actual distance is within a preset target distance, determining the target user and the courseware display frame as the target information;
and when the actual distance exceeds a preset target distance, prompting that the target information is missing, and continuously calculating the actual distance between the target user and the courseware display picture in real time according to the character characteristics and the position information through the multiplexing camera.
Understandably, the present embodiment calculates the actual distance in real time according to the character features of the target user and the position information of the courseware display screen, and further determines the target information according to the actual distance.
Further, after the light central control system simultaneously adjusts the light irradiation angle, the irradiation height and the light color temperature in the current classroom according to the first light information, the light central control system further comprises:
when detecting that at least one of the face brightness, the facial expression, the courseware background color and the courseware display content of the target user is changed in real time, re-analyzing second light information which is most suitable for a current courseware according to the changed face brightness, the facial expression, the courseware background color and the courseware display content of the target user, and transmitting the second light information to a light central control system in real time so that the light central control system can simultaneously adjust a light irradiation angle, a light irradiation height and a light color temperature in the current courseware according to the second light information.
Understandably, in the embodiment, the face brightness, the facial expression, the courseware background color and the courseware display content of the target user are detected in real time by the multiplexing camera, and one of the face brightness, the facial expression, the courseware background color and the courseware display content is changed, so that the light irradiation angle, the light irradiation height and the light color temperature in the current classroom can be determined again.
Further, the detecting in real time that at least one of the target user face brightness, target user facial expression, courseware background color, and courseware presentation content changes includes:
when detecting that the page change quantity in the courseware display picture is lower than a preset quantity threshold value in real time within a preset duration, confirming that the courseware display content has lamplight influence change, and recording the change information of the courseware display content;
and when the page change quantity in the courseware display picture is detected to be larger than or equal to the preset quantity threshold value in real time within the preset duration, confirming that the courseware display content is changed in a non-lamplight influence way. Understandably, when the courseware show content is changed in a non-light-influence way, the change of the courseware show content is not taken as a consideration factor for adjusting the light irradiation angle, the irradiation height and the light color temperature in the current courseware.
It should be understood that, this embodiment is mainly to determine whether the courseware showing content has a frequent page number change (for example, after comparing the page number change with a preset number threshold in a preset time, it is determined that the courseware showing content has a light influence change if the page number change is 1 in 5 seconds and is less than 2 set by the preset number threshold), and when the frequent page number change occurs (i.e., it is understood that the courseware showing content has a change), this embodiment does not add the courseware showing content to the consideration factors of the light irradiation angle, the light irradiation height, and the light color temperature in the current classroom.
Further, after the light central control system simultaneously adjusts the light irradiation angle, the irradiation height and the light color temperature in the current classroom according to the first light information, the light central control system further comprises:
enabling the multiplexing camera to determine the lighting effect in the current classroom;
when the lighting effect is matched with the first lighting information, determining that the lighting effect is correct;
and when the light effect is not matched with the first light information, the light central control system is enabled to readjust the light effect matched with the first light information in the current classroom.
Understandably, this embodiment is mainly in order to verify whether light effect coincide with first light information, strengthens the supervision of follow-up light effect, avoids influencing student and teacher and experiences the effect.
Further, after the light central control system turns off the light in the current classroom, the method further comprises:
acquiring the facial expressions of the target user in a plurality of time periods in the teaching process of the target user, determining whether the facial expression of the target user in each time period is matched with the courseware display content corresponding to the time period, and recording a matching result;
and evaluating the teaching quality of the target user according to the matching result.
Understandably, in the present embodiment, facial expressions of target users in multiple time periods may be obtained by presetting a face recognition model, where courseware display contents corresponding to each time period may be different, and therefore, facial expressions of target users corresponding to each time period are also different, that is, each courseware display content corresponds to at least one facial expression of a target user, at this time, the facial expression of the target user is matched with the courseware display contents corresponding to the time period, for example, in a teaching process, a teacher gives a lecture display content related to a national history, at this time, the teacher should show the facial expressions of the target users as much as possible, if the teacher does not show the corresponding facial expressions of the target users, it may be determined that a mismatch result occurs in one time period, the teacher should give the normal courseware display contents, at this time, the teacher should show the facial expressions of the target users as little smile and the like as much, if the teacher shows the corresponding facial expression of the target user, it may be determined that a matching result occurs in a period of time, and therefore the present embodiment may evaluate the teaching quality of the target user by using the matching result.
In summary, the above-mentioned classroom light adjusting method is provided, which can automatically adjust the light of the current classroom, does not need to worry about various construction conditions of the current classroom, does not need to spend higher cost to establish the classroom, does not need to worry about the influence of various current environments on the light in the current classroom, and can ensure the watching definition of the courseware in the current classroom and the good appearance of the teacher, thereby improving the teaching quality of the classroom. The method is also applied to the field of intelligent education, so that the construction of the intelligent city is promoted.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
In one embodiment, a classroom light adjusting device is provided, which corresponds to the classroom light adjusting method in the above embodiments one to one. As shown in fig. 3, the classroom lighting adjustment apparatus includes a first determination module 11, an identification module 12, a first adjustment module 13, and a shutdown module 14. The functional modules are explained in detail as follows:
the first determining module 11 is configured to receive a courseware opening instruction sent by a control terminal in a current classroom, and determine target information by multiplexing a camera; the target information comprises a courseware display picture and a target user, wherein the actual distance of the courseware display picture is within a preset target distance;
the identification module 12 is configured to use the courseware display picture and the target user in the target information as a detection core of the multiplexing camera, so that the multiplexing camera identifies the face brightness, the facial expression, the background color and the courseware display content of the target user in the current classroom in real time;
the first adjusting module 13 is used for modulating real-time light in a virtual drawing board according to the face brightness of the target user, the facial expression of the target user, the background color of the courseware and the courseware display content, fusing the modulated real-time light in a virtual picture of the current courseware, analyzing first light information which is most suitable for the current courseware in real time according to the virtual picture, transmitting the first light information to a light central control system in real time, and enabling the light central control system to simultaneously adjust a light irradiation angle, an irradiation height and a light color temperature in the current courseware according to the first light information;
and the closing module 14 is used for enabling the light central control system to close the light in the current classroom when the multiplexing camera is detected not to recognize the target information within a preset time threshold.
Further, the identification module includes:
the first recognition submodule is used for recognizing the face brightness and the target facial expression of the target user in real time through the face recognition method integrated in the multiplexing camera;
the second identification submodule is used for identifying the background color of the courseware in real time through the color detection algorithm integrated in the multiplexing camera;
and the third identification submodule is used for identifying the courseware display content in real time through the image identification algorithm integrated in the multiplexing camera.
Further, the classroom light adjusting device further comprises:
and the second adjusting module is used for acquiring the illumination intensity of the current classroom in the current environment, which is detected by a preset illumination intensity sensor in real time, determining the initial brightness and the ending brightness of the courseware display picture in the current classroom according to the illumination intensity, and adjusting the brightness of the courseware display picture according to the initial brightness and the ending brightness.
Further, the first determining module comprises:
the first calculation module is used for acquiring the character characteristics of the target user and the position information of the courseware display picture displayed in the current courseware, and calculating the actual distance between the target user and the courseware display picture in real time according to the character characteristics and the position information through the multiplexing camera;
the second determining module is used for determining the target user and the courseware display frame as the target information when the actual distance is within a preset target distance;
and the second calculation module is used for prompting that the target information is lost when the actual distance exceeds a preset target distance, and continuously calculating the actual distance between the target user and the courseware display picture in real time according to the character characteristics and the position information through the multiplexing camera.
Further, the classroom light adjusting device further comprises:
and the third adjusting module is used for reanalyzing second light information which is most suitable for the current classroom according to the changed face brightness, face expression, courseware background color and courseware display content of the target user when detecting that at least one of the face brightness, the face expression, the courseware background color and the courseware display content of the target user is changed in real time, and transmitting the second light information to the light central control system in real time so that the light central control system can simultaneously adjust the light irradiation angle, the irradiation height and the light color temperature in the current classroom according to the second light information.
Further, the third adjustment module includes:
the recording module is used for confirming that the courseware display content has lamplight influence change and recording the change information of the courseware display content when detecting that the page change quantity in the courseware display picture is lower than a preset quantity threshold value in real time within a preset duration;
and when the page change quantity in the courseware display picture is detected to be larger than or equal to the preset quantity threshold value in real time within the preset duration, confirming that the courseware display content is changed in a non-lamplight influence way.
Further, the classroom light adjusting device further comprises:
the third determining module is used for enabling the multiplexing camera to determine the lighting effect in the current classroom;
the fourth determining module is used for determining that the lighting effect is correct when the lighting effect is matched with the first lighting information;
and the fourth adjusting module is used for enabling the light central control system to readjust the light effect which is matched with the first light information in the current classroom when the light effect is not matched with the first light information.
For the specific definition of the classroom light adjusting device, reference can be made to the above definition of the classroom light adjusting method, which is not described herein again. All or part of each module in the classroom light adjusting device can be realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a server, the internal structure of which may be as shown in fig. 4. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The database of the computer device is used for storing data involved in the classroom light adjustment method. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a classroom lighting adjustment method.
In one embodiment, a computer device is provided, which includes a memory, a processor and a computer program stored on the memory and executable on the processor, and the processor executes the computer program to implement the steps of the classroom light adjustment method in the above-mentioned embodiments, such as steps S10 to S40 shown in fig. 2. Alternatively, the processor, when executing the computer program, implements the functions of the modules/units of the classroom lighting adjustment apparatus in the above-described embodiments, such as the functions of modules 11-14 shown in fig. 4. To avoid repetition, further description is omitted here.
In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, which when executed by a processor implements the steps of the classroom light adjustment method in the above-described embodiments, such as steps S10 through S40 shown in fig. 2. Alternatively, the computer program, when executed by the processor, implements the functions of the various modules/units of the classroom lighting adjustment apparatus of the above-described embodiments, such as the functions of modules 11-14 shown in fig. 4. To avoid repetition, further description is omitted here.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, databases, or other media used in embodiments provided herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A classroom light adjustment method is characterized by comprising the following steps:
receiving a courseware opening instruction sent by a control terminal in the current classroom, and determining target information by multiplexing a camera; the target information comprises a courseware display picture and a target user, wherein the actual distance of the courseware display picture is within a preset target distance;
taking the courseware display picture and the target user in the target information as a detection core of the multiplexing camera, and enabling the multiplexing camera to identify the face brightness, the facial expression, the background color and the courseware display content of the target user in the current classroom in real time;
modulating real-time light in a virtual drawing board according to the face brightness of the target user, the facial expression of the target user, the courseware background color and courseware display content, fusing the modulated real-time light in a virtual picture of the current courseware, analyzing first light information which is most suitable for the current courseware in real time according to the virtual picture, and transmitting the first light information to a light central control system in real time so that the light central control system can simultaneously adjust the light irradiation angle, the irradiation height and the light color temperature in the current courseware according to the first light information;
and when detecting that the target information is not recognized by the multiplexing camera within a preset time threshold, enabling the light central control system to close the light in the current classroom.
2. The classroom light adjustment method of claim 1, wherein the multiplex camera integrates a color detection algorithm, a face recognition method, and an image recognition algorithm; the order multiplex camera real-time identification target user face brightness, target user facial expression, courseware background color and courseware show content in current classroom includes:
the order multiplex camera real-time identification target user face brightness, target user facial expression, courseware background color and courseware show content in current classroom includes:
identifying the face brightness and the target facial expression of the target user in real time through the face identification method integrated in the multiplexing camera;
identifying the courseware background color in real time through the color detection algorithm integrated in the multiplexing camera;
and identifying the courseware display content in real time through the image identification algorithm integrated in the multiplexing camera.
3. The classroom light adjustment method according to claim 1, wherein after receiving a courseware opening instruction sent by a control terminal in a current classroom, the method further comprises:
the method comprises the steps of obtaining the illumination intensity of a current classroom in the current environment, detected in real time by a preset illumination intensity sensor, determining the initial brightness and the ending brightness of a courseware display picture in the current classroom according to the illumination intensity, and adjusting the brightness of the courseware display picture according to the initial brightness and the ending brightness.
4. A classroom light adjustment method as defined in claim 1, wherein determining goal information via multiplexed cameras comprises:
acquiring character features of the target user and position information of the courseware display picture displayed in the current courseware, and calculating the actual distance between the target user and the courseware display picture in real time according to the character features and the position information through the multiplexing camera;
when the actual distance is within a preset target distance, determining the target user and the courseware display frame as the target information;
and when the actual distance exceeds a preset target distance, prompting that the target information is missing, and continuously calculating the actual distance between the target user and the courseware display picture in real time according to the character characteristics and the position information through the multiplexing camera.
5. The classroom light adjustment method according to claim 1, wherein after the light central control system simultaneously adjusts the light illumination angle, the illumination height, and the light color temperature of the light in the current classroom according to the first light information, the classroom light adjustment method further comprises:
when detecting that at least one of the face brightness, the facial expression, the courseware background color and the courseware display content of the target user is changed in real time, re-analyzing second light information which is most suitable for a current courseware according to the changed face brightness, the facial expression, the courseware background color and the courseware display content of the target user, and transmitting the second light information to a light central control system in real time so that the light central control system can simultaneously adjust a light irradiation angle, a light irradiation height and a light color temperature in the current courseware according to the second light information.
6. A classroom light adjustment method according to claim 5, wherein the detecting in real time that at least one of the target user face brightness, target user facial expression, courseware background color, and courseware show content has changed comprises:
when detecting that the page change quantity in the courseware display picture is lower than a preset quantity threshold value in real time within a preset duration, confirming that the courseware display content has lamplight influence change, and recording the change information of the courseware display content;
and when the page change quantity in the courseware display picture is detected to be larger than or equal to the preset quantity threshold value in real time within the preset duration, confirming that the courseware display content is changed in a non-lamplight influence way.
7. The classroom light adjustment method according to claim 1, wherein after the light central control system simultaneously adjusts the light illumination angle, the illumination height, and the light color temperature of the light in the current classroom according to the first light information, the classroom light adjustment method further comprises:
enabling the multiplexing camera to determine the lighting effect in the current classroom;
when the lighting effect is matched with the first lighting information, determining that the lighting effect is correct;
and when the light effect is not matched with the first light information, the light central control system is enabled to readjust the light effect matched with the first light information in the current classroom.
8. A classroom lighting adjustment device, comprising:
the first determining module is used for receiving courseware opening instructions sent by a control terminal in the current classroom and determining target information by multiplexing a camera; the target information comprises a courseware display picture and a target user, wherein the actual distance of the courseware display picture is within a preset target distance;
the identification module is used for taking the courseware display picture and the target user in the target information as a detection core of the multiplexing camera, and enabling the multiplexing camera to identify the face brightness, the facial expression, the background color and the courseware display content of the target user in the current classroom in real time;
the first adjusting module is used for modulating real-time light in a virtual drawing board according to the face brightness of the target user, the facial expression of the target user, the background color of the courseware and the courseware display content, fusing the modulated real-time light in a virtual picture of the current courseware, analyzing first light information which is most suitable for the current courseware in real time according to the virtual picture, transmitting the first light information to a light central control system in real time, and enabling the light central control system to simultaneously adjust a light irradiation angle, an irradiation height and a light color temperature in the current courseware according to the first light information;
and the closing module is used for enabling the light central control system to close the light in the current classroom when the multiplexing camera is detected not to recognize the target information within a preset time threshold.
9. Computer device comprising a memory, a processor and a computer program stored in said memory and executable on said processor, characterized in that said processor implements a classroom light adjustment method as defined in any one of claims 1 to 7 when executing said computer program.
10. A computer-readable storage medium, in which a computer program is stored, which, when being executed by a processor, carries out a classroom lighting adjustment method as defined in any one of claims 1 to 7.
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