CN106875968B

CN106875968B - Information acquisition method, client and system

Info

Publication number: CN106875968B
Application number: CN201710046511.0A
Authority: CN
Inventors: 马宇尘
Original assignee: Shanghai Liangming Technology Development Co Ltd
Current assignee: Shanghai Liangming Technology Development Co Ltd
Priority date: 2017-01-21
Filing date: 2017-01-21
Publication date: 2024-03-22
Anticipated expiration: 2037-01-21
Also published as: CN106875968A

Abstract

The invention provides an information acquisition method, a client and a system, and relates to the technical field of mobile terminals. A method of information acquisition, comprising the steps of: triggering the recording operation of the live-action information, and starting the recording; in the recording process, acquiring image change information of a screen or an blackboard writing interface, triggering image shooting operation when the current frame of the screen is changed or the blackboard writing interface is changed, and storing a shot picture and a shot time point. The invention not only effectively solves the problems of large storage space and large power consumption of the traditional video recording mode, but also reduces the interference of recording operation on information receiving of users and reduces the probability of missing recorded contents of users.

Description

Information acquisition method, client and system

Technical Field

The present invention relates to the field of mobile terminals, and in particular, to a method, a client, and a system for collecting information through a mobile terminal.

Background

With the development of the mobile internet, the importance of the mobile terminal in daily life and work of people is gradually highlighted, and the mobile terminal is also in various aspects. For example, during learning and working, there is often a training link, and during training, a training lecturer presents PPT documents or notes on a blackboard while speaking. At this time, the person listening to the lesson often wishes to record the training recording, and also wishes to see the note content of the PPT or blackboard. In order to synchronize the training recordings with the PPT presentation, only live video recordings currently solve this problem. But recording video occupies a lot of memory space of the mobile terminal and is not suitable for long-term use.

At present, the audio and video pen is a necessary audio and video device for lecture listeners, reporters and business persons. Besides the basic functions of recording and playing the recorded content, the method can acquire image data through a video recording site, is beneficial to understanding and identifying the requirement of recording the audio content, but the recorded video also needs to be matched with a larger storage space, has high electric quantity consumption and is not suitable for long-time use.

In addition, although recording equipment with a photographing function also appears, if a user needs to photograph in the process of recording live-action information, a recording interface needs to be manually operated to realize the photographing function. Meanwhile, the user may need to communicate with other users in a classroom, and in the process of communication, the user cannot pay attention to the change of the live-action information at any time, and the teaching content may be missed. In the prior art, a method capable of collecting live-action information more effectively and conveniently is lacking.

Disclosure of Invention

The invention aims at: the method, the client and the system for information acquisition overcome the defects of the prior art, and are effective, convenient and high in user experience. In the invention, when the information recording operation of the actual scene is carried out, the recording and the image shooting are carried out separately, the recording can be started after the recording operation of the actual scene information is triggered, the image shooting needs to be additionally triggered, and specifically, the image shooting is automatically triggered according to the change of the actual scene information. By utilizing the method and the device, the image shooting is automatically triggered when the image information is needed, so that the problems of large storage space and large power consumption of the traditional video recording mode are effectively solved, the interference of recording operation on information receiving of a user is reduced, and the probability of missing recorded content of the user is reduced.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a method of information acquisition, comprising the steps of: triggering the recording operation of the live-action information, and starting the recording; in the recording process, acquiring image change information of a screen or an blackboard writing interface, triggering image shooting operation when the current frame of the screen is changed or the blackboard writing interface is changed, and storing a shot picture and a shot time point.

Further, when the photographed picture is stored, whether the picture is repeated or not is judged, and under the condition of repetition, one of the repeated pictures is selected as a reserved picture, and an index relationship is established between the other repeated pictures and the reserved picture.

Further, deleting other repeated pictures, reserving a time point corresponding to the deleted repeated picture, and obtaining a reserved picture through indexing.

Further, the retained picture is the image with the highest definition after comparison in all repeated pictures.

Further, when the record is played, when the time point of shooting is played, the corresponding picture is acquired, output and display are carried out, and the next picture is maintained to be updated.

Further, the sound quality of the recorded information is detected, and the result of the sound quality detection is output and displayed through a recording interface.

Further, annotation controls are provided corresponding to the captured image data, including a text annotation control to write text, and a multimedia annotation control to record or load multimedia data.

The invention also provides an information acquisition client, which comprises: the recording starting circuit is used for collecting triggering information of recording operation of the live-action information and starting recording according to the triggering; the judging circuit is used for collecting image change information of a screen or an blackboard writing interface in the recording process and judging whether the current frame of the screen is changed or whether the blackboard writing interface is changed according to the image change information;

the image shooting circuit is connected with the judging circuit and used for triggering image shooting operation when the judging circuit judges that the current frame of the screen is changed or the blackboard writing interface is changed;

and the memory is used for storing the record, the shot picture and the shot time point.

Further, the device comprises a repeated picture processing circuit which is used for judging whether the stored pictures are repeated or not, screening one of the repeated pictures to be used as a reserved picture under the condition of judging the repetition, and establishing an index relation between the other repeated pictures and the reserved picture.

Further, the device comprises a playing circuit for playing the record and the picture, wherein when the playing circuit plays the record and the time point of shooting is reached, the playing circuit obtains the corresponding picture, outputs and displays the picture, and maintains the next picture to be updated.

Further, the recording device comprises a picture updating circuit, wherein the picture updating circuit is used for acquiring a corresponding picture to update a currently displayed picture and outputting and displaying the corresponding picture when the recording is played to a next stored time point.

Further, the voice quality detection circuit is used for detecting the voice quality of the recorded voice frequency; the sound quality display circuit is connected with the sound quality detection circuit and is used for outputting and displaying the sound quality detection result through the recording interface.

Further, the system comprises an annotation information acquisition circuit and an annotation information display circuit: the annotation information acquisition circuit is used for acquiring annotation information made by a user on the shot image data; the annotation information acquisition circuit comprises an annotation control, wherein the annotation control comprises a text annotation control used for writing text and a multimedia annotation control used for recording or loading multimedia data; the annotation information display circuit is used for outputting the annotation information corresponding to the display interface of the image data.

The invention also provides an information acquisition system, which comprises an acquisition client and a system server.

The acquisition client comprises:

the recording starting circuit is used for collecting triggering information of recording operation of the live-action information and starting recording according to the triggering;

the image shooting circuit is used for triggering image shooting operation according to shooting instructions of the system server;

the acquisition communication circuit is used for being connected with the service communication circuit, receiving a control instruction of the system server and sending recorded file information to the system server.

The system server includes:

the service communication circuit is used for communicating with the acquisition communication circuit, receiving and transmitting files and control instructions;

the judging circuit is used for collecting image change information of the screen or the blackboard writing interface in the recording process, judging whether the current frame of the screen is changed or whether the blackboard writing interface is changed according to the image change information, and sending a shooting instruction when judging that the current frame of the screen is changed or the blackboard writing interface is changed;

and the service memory is connected with the service communication circuit and used for storing the record, the shot picture and the shot time point.

Compared with the prior art, the invention has the following advantages and positive effects by taking the technical scheme as an example: when the method and the device are used for recording information of an actual scene, image shooting and recording are carried out separately, and the image shooting operation is automatically triggered according to the information change condition of the actual scene, so that the problems of large occupied storage space and large power consumption in the traditional video recording mode are effectively solved, the interference of the recording operation on information receiving of a user is reduced, and the probability of missing recorded content of the user is reduced. Furthermore, the synchronous display of the record and the image can be realized, and the use of a user is convenient.

Drawings

Fig. 1 is a flowchart of a method for information acquisition according to an embodiment of the present invention.

Fig. 2 is an exemplary diagram of a recording interface for recording live-action information according to an embodiment of the present invention.

Fig. 3 is a block diagram of a client for information collection according to an embodiment of the present invention.

Fig. 4 is a block diagram of a system for information acquisition according to an embodiment of the present invention.

Reference numerals illustrate:

recording an interface 100 and live-action information 101;

information recording control 110; a recording control sub-interface 120, a recording control key 121, a recorded time output structure 122, a recording quality output structure 123; an image photographing control sub-interface 130, an image photographing display area 131, a photographing control key 132, a text annotation control 133, and a multimedia annotation control 134; a first-stage display interface 140, a picture display area 141, a back key 142, and a forward key 143; a first-stage display interface 150, a thumbnail 151, a back key 152, and a forward key 153; recording an information name 160;

client 200, recording start circuit 210, decision circuit 220, image capture circuit 230, memory 240;

the system 300; the system comprises an acquisition client 310, a recording starting circuit 311, an image shooting circuit 312 and an acquisition communication circuit 313; the system server 320, the service communication circuit 321, the determination circuit 322, and the service memory 323.

Detailed Description

The method, the client and the system for information acquisition provided by the invention are further described in detail below with reference to the accompanying drawings and the specific embodiments. It should be noted that the technical features or combinations of technical features described in the following embodiments should not be regarded as being isolated, and they may be combined with each other to achieve a better technical effect. In the drawings of the embodiments described below, like reference numerals appearing in the various drawings represent like features or components and are applicable to the various embodiments. Thus, once an item is defined in one drawing, no further discussion thereof is required in subsequent drawings.

It should be noted that the structures, proportions, sizes, etc. shown in the drawings are merely used in conjunction with the disclosure of the present specification, and are not intended to limit the applicable scope of the present invention, but rather to limit the scope of the present invention. The scope of the preferred embodiments of the present invention includes additional implementations in which functions may be performed out of the order described or discussed, including in a substantially simultaneous manner or in an order that is reverse, depending on the function involved, as would be understood by those of skill in the art to which embodiments of the present invention pertain.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values.

Examples

Referring to fig. 1, a flowchart of a method for information acquisition according to an embodiment of the present invention is shown. The information acquisition method comprises the following steps.

S100, triggering recording operation of live-action information, and starting recording.

The real scene information refers to actual scene information. Recording of actual scene information may include recording of audio information, picture information, video information, and multimedia information. By way of example and not limitation, in an actual scenario where a user listens to a lesson, the user takes a photograph of the sound of a teacher's lecture, a presentation PPT document, or a note written on a blackboard through a mobile phone terminal.

In this embodiment, after triggering the recording operation, a recording interface may be entered, where the recording interface is presented through a mobile terminal with a shooting function. The mobile terminal includes, but is not limited to: various common mobile terminals such as mobile phones, palm computers, tablet computers and the like, and various intelligent wearable electronic devices such as intelligent glasses, intelligent watches and the like.

In this embodiment, when recording live-action information, image shooting and recording are performed separately, so that the problems of large occupied space, large power consumption and difficult long-time continuous recording of the traditional recorded video can be avoided.

By way of example and not limitation, when a user needs to record in the course of listening to a lesson, the user triggers recording operation of live-action information through the mobile phone terminal carried by the user, the recording is started, and meanwhile, the mobile phone terminal outputs and displays a recording interface to the user. Specifically, the user can click the information acquisition button to trigger the recording operation of the live-action information, start the recording function and acquire the audio information.

This example is further described in connection with the recording interface illustrated in fig. 2. It should be noted that, the setting positions and the sizes of the sub-interfaces and the structures in the recording interface shown in fig. 2 are merely examples of the present embodiment, and should not be taken as limiting the protection scope of the present invention.

Referring to fig. 2, an information recording control 110 is disposed on the recording interface 100, where the information recording control 110 can start recording operation of the live-action information 101. The live action information 101 may include a projection screen on which the electronic lecture manuscript is displayed. After the information recording control 110 is triggered, the recording operation can be started, and the image shooting needs to be triggered separately.

The manner of triggering the information recording control 110 is, for example, but not limited to, that the user touches the area where the information recording control 110 is located by a finger or a touch pen, and a piezoelectric sensor is disposed in the area where the information recording control 110 is located, and the piezoelectric sensor sends touch information to a recording sub-circuit, and the recording sub-circuit starts a recording structure to perform sound collection operation according to the touch information.

The recording sub-circuit may include a main controller connected with a microphone, a speaker, and a memory, respectively. During recording, the microphone is used for collecting audio information and sending the audio information to the main controller for processing, and the processed audio file is stored in the memory. The main controller can be connected with a memory card expansion socket according to the requirement, and a memory card can be placed in the memory card expansion socket to expand the memory space.

And S200, acquiring image change information of a screen or an blackboard writing interface in the recording process, triggering image shooting operation when the current frame of the screen is changed or the blackboard writing interface is changed, and storing a shot picture and a shot time point.

Considering that a teacher may explain teaching contents in combination with PPT or blackboard writing or other documents during a lecture process, a user may not be able to record in time during a listening and speaking process, so that photographing is required. Therefore, the image change information of the screen or the blackboard writing interface can be acquired in the recording process, and when the current frame of the screen is changed or the blackboard writing interface is changed, the image shooting operation is triggered, and the shot picture and the shot time point are saved. Therefore, when the record is played later, the record can be conveniently called.

The mode of collecting the image change information of the screen or the blackboard writing interface can be, by way of example and not limitation, that the change of the actual scene is monitored by the image recognition device, and the recognition information output end monitored by the image recognition device is connected with the photographing starting signal input end of the photographing device through the control cable. When the image recognition device detects that the current frame of the screen in the actual scene information changes or the board writing interface changes, a photographing starting signal is sent to the photographing device, and a camera in the photographing device starts to photograph. When the image recognition device does not acquire the current frame change of the screen or the board writing interface change in the actual scene information, the shooting device is in a non-working state, and does not shoot images.

After the recording is finished, when the user needs to play back the recorded live-action information, the playback can be started. In the process of playing the record, if the record is played to the stored time point, the stored picture is called and displayed, so that the picture is displayed while the record is played, the effect similar to a video is realized, and a user can review the trained or taught content conveniently. Preferably, in the recording process, when a picture is taken at a certain time point, a mark is added at the corresponding time point of the audio to distinguish, the mark is used for indicating that the picture exists at the time point, and in the recording playing process, when the picture is played to the time point with the mark, the corresponding picture is automatically acquired and output and displayed. And by analogy, when the next stored time point is played, the corresponding picture is acquired and output and display are carried out, and in the process of outputting and displaying the picture, the record is kept to be played uninterruptedly.

In this way, the user can shoot pictures at different time points according to the needs in the recording process; when the recorded data is played, when the recorded data is played to different time points, the corresponding pictures can be called and output and displayed, and the corresponding different pictures are output at the different time points, so that a user can view the pictures according to the pertinence of the recorded data conveniently.

Of course, the user may also pause during playing the recorded data, so as to stop viewing the picture for a long time. Playback and other operations can also be performed, and the time point is skipped back to the previous period of time, so that the user can conveniently check.

In this embodiment, the repeatedly photographed pictures may also be processed. Specifically, when the shot pictures are stored, whether the pictures are repeated or not is judged, and under the condition of repetition, one of the repeated pictures is selected as a reserved picture, and an index relationship is established between the other repeated pictures and the reserved picture. Meanwhile, other repeated pictures can be deleted, only the time point corresponding to the deleted repeated picture is reserved, and the reserved picture is obtained through indexing.

Preferably, the retained picture is the image with the highest definition after comparison in all repeated pictures.

The embodiment can also detect the sound quality of the recording information and output and display the result of the sound quality detection through the recording interface. And setting annotation controls corresponding to the shot image data, wherein the annotation controls comprise a text annotation control used for writing text and a multimedia annotation control used for recording or loading multimedia data. The description will be continued with reference to fig. 2.

The recording interface 100 is provided with an image capturing control sub-interface 130 and a recording control sub-interface 120.

In this embodiment, the recording control sub-interface 120 may include a recording control key 121, a recorded time output structure 122 and a recording quality output structure 123.

The user can start recording to enter a recording state and stop recording to enter a stop state through the recording control key 121. By way of example and not limitation, such as a user triggering the record control 121 to enter a record state, and triggering the record control 121 again to enter a pause or record end state when a pause or end of a record is desired. Preferably, according to the recording state and the stopping state of the recording, the recording control keys display different identifications, so that a user can conveniently know the recording state.

The recorded time output structure 122 is used to output the recorded time of the recording to the user.

The recording quality output structure 123 may be used to output the quality of the recording to a user. The quality detection and quality output of sound can be achieved by providing a sound quality detection circuit and a sound quality display circuit. The sound quality detection circuit is used for detecting sound quality of recorded audio, wherein the sound quality detection comprises but is not limited to intensity, timbre and tone of sound. The sound quality display circuit is connected to the sound quality detection circuit, and is configured to output and display a result of the sound quality detection through the recording interface, and may include a recording quality output structure 123.

The image capture control sub-interface 130 includes an image capture display area 131, capture control keys 132, and text annotation controls 133 and multimedia annotation controls 134.

The image photographing display region 131 is a region displaying an actual scene image to be photographed. After the user triggers photographing, the area enters a view mode, and then the user may trigger the photographing control key 132 to take a photograph. Preferably, in this embodiment, the photographing control key 132 is disposed in the image photographing display region 131 so as to be convenient for the user to operate.

The user can start shooting into an image shooting state through the shooting control key 132. By way of example and not limitation, for example, the user triggers the photographing control key 132 to enter a photographing state, and after framing is completed, the photographing control key is started again, so that a picture can be photographed and generated.

In this embodiment, the endorsement control is set corresponding to the captured image data, and includes a text endorsement control 133 for writing text, and a multimedia endorsement control 134 for recording or loading multimedia data.

The collection and output of annotation information can be realized by an annotation information collection circuit and an annotation information display circuit. The annotation information acquisition circuit is used for acquiring annotation information made by a user on the shot image data. The annotation information display circuit is used for outputting the annotation information corresponding to the display interface of the image data. Therefore, the user can annotate the recorded pictures by directly triggering the annotating control on the recording interface, and the method is convenient and quick. The endorsements may be text, symbols, graffiti, line or graphic labels, pictures, audio, video and/or multimedia files.

In this embodiment, a picture display sub-interface may also be disposed on the recording interface. The picture display sub-interface is used for displaying more than two adjacent shot pictures, the picture display sub-interface is used for displaying thumbnail images of the shot pictures, and the thumbnail images are sequentially output and displayed according to shooting time of the corresponding pictures.

The picture display sub-interface may further include a multi-level display interface, and is described with continued reference to fig. 2. The picture presentation sub-interface includes a first level display interface 140 and a second level display interface 150.

The first-level display interface 140 includes a picture display area 141, a back key 142, and a forward key 143. The picture display area 141 is used to display a newly taken picture, the back key 142 may be used for a user to view a picture before the current picture, and the forward key 143 may be used for a user to view a picture after the current picture. The number of newly taken pictures displayed on the first level display interface 140 may be set by the user himself or by default with the system.

By way of example and not limitation, such as the first level display interface 140 defaults to displaying 3 pictures that were recently taken. Then after the user presses the photographing shutter key, the acquired picture a may be displayed in the picture display area 141, and the user may view the two pictures B and C immediately before the picture a through the back key 142. After selecting the picture C by the back key 142, the picture display area 141 displays the picture C, and if the user wants to continue viewing the pictures B and a, the user can view the pictures by touching the forward key 143. It should be noted that the 3 sheets are given by way of example and not limitation, and may be 1 sheet, 2 sheets, or 5 sheets, 6 sheets, or more.

The second-stage display interface 150 includes a thumbnail 151, a display back key 152, and a display forward key 153. The thumbnail 151 is displayed in a picture display area of the second-stage display interface 150, where the picture display area is used to display thumbnails of the photographed pictures, and the thumbnails of the pictures are sequentially output and displayed according to the photographing time of the corresponding pictures. The user can further view the previous and subsequent picture information by displaying the back key 152 and displaying the forward key 153.

The recording interface 100 also displays a recording information name 160. The recorded information name 160 may be a name directly input by the user through a naming structure, or may be a name automatically named after being identified by collecting recorded picture information and/or audio information.

In the embodiment, in the recording process, triggering image shooting for the information required to be shot, and storing the time information and the picture of the image shooting; when the sound is played to the time point of image shooting, outputting and displaying the corresponding picture, and maintaining the next picture to be updated. That is, from the time point corresponding to a certain picture, the picture is displayed, and the time for displaying the picture is up to the time point corresponding to the next picture. And when the next picture is played to the corresponding time point, outputting and displaying the next picture.

That is, in this embodiment, the photographed picture is not displayed and exits, which is obviously disadvantageous for the user to view.

Of course, other preset output modes can be adopted for outputting the pictures. By way of example and not limitation, such as before the point in time at which the picture was taken and/or after the point in time, a predetermined period of time is provided for the corresponding picture to continue to be displayed. For example, a picture taken at 35 seconds, then the picture starts to be displayed when the recording is played for 35 seconds and lasts for 10 seconds, and the picture is not displayed after being played for 45 seconds. In this way, the user can have sufficient time to record and view the picture. The preset time is also not fixed, because it is possible that two adjacent pictures are separated by a short time, in which case the preset time is correspondingly shortened, and the preset time can be set with basic requirements that do not affect the display of other pictures.

Referring to fig. 3, a client for information collection is provided according to another embodiment of the present invention. Client 200 includes recording initiation circuitry 210, decision circuitry 220, image capture circuitry 230, and memory 240, which may be interconnected.

The recording start circuit 210 is configured to collect trigger information of recording operation of live-action information, and start recording according to the trigger. The recording start circuit 210 is connected to the control circuit of the recording structure, and can control the recording structure to record. The recording structure, by way of example and not limitation, may include a main controller to which a microphone, a speaker, and a memory are connected, respectively. During recording, the microphone is used for collecting audio information and sending the audio information to the main controller for processing, and the processed audio file is stored in the memory 240.

The determining circuit 220 is configured to collect image change information of a screen or an blackboard writing interface during the recording process, and determine whether the current frame of the screen is changed or whether the blackboard writing interface is changed according to the image change information.

The manner in which the image change information of the screen or the blackboard writing interface is collected may be, by way of example and not limitation, by monitoring changes in the actual scene by means of an image recognition device. Specifically, the identification information output end monitored by the image identification device can be connected with the photographing start signal input end of the photographing device through a control cable. When the image recognition device detects that the current frame of the screen in the actual scene information changes or the board writing interface changes, a photographing starting signal is sent to the photographing device, and a camera in the photographing device starts to photograph. When the image recognition device does not acquire the current frame change of the screen or the board writing interface change in the actual scene information, the shooting device is in a non-working state, and does not shoot images.

The image capturing circuit 230 is connected to the determining circuit 220, and is configured to trigger an image capturing operation when the determining circuit determines that the current frame of the screen is changed or that the board interface is changed. The image capturing circuit 230 may include a camera, and the camera is used to record images and send the recorded images to the main controller for processing, and then store the processed images in the memory. The camera and the microphone can work simultaneously or independently.

The memory 240 is used for storing the recording, the photographed picture and the photographed time point.

In this embodiment, the client 200 further includes a duplicate picture processing circuit, a playing circuit, and a picture updating circuit.

The repeated picture processing circuit is used for judging whether the stored pictures are repeated or not, screening one of the repeated pictures to be used as a reserved picture under the condition of judging the repetition, and establishing an index relation between the other repeated pictures and the reserved picture.

The playing circuit is used for playing the record and the picture, and when the playing circuit plays the record and the time point of shooting is reached, the playing circuit obtains the corresponding picture, outputs and displays the picture, and maintains the next picture to be updated.

And the picture updating circuit is used for acquiring a corresponding picture to update the currently displayed picture and outputting and displaying the corresponding picture when the record is played to the next stored time point. In this example, the picture may be displayed through a picture display sub-interface on the recording interface.

The picture display sub-interface can also comprise a multi-level display interface, such as a first-level display interface and a second-level display interface. The first-level display interface is used for displaying a newly shot picture.

The number of newly shot pictures displayed on the first-stage display interface can be set by the user or a default number of the pictures can be adopted by the system. By way of example and not limitation, such as a first level display interface defaulting may display 3 pictures newly taken. After the user presses the photographing shutter key, the acquired picture a may be displayed in the picture display area of the first-stage display interface, and the user may view the two pictures B and C immediately before the picture a through the back key. After the picture C is selected by the back key, the picture display area displays the picture C, and if the user wants to continue to view the picture B and the picture a, the user can view by touching the forward key. It should be noted that the 3 sheets are given by way of example and not limitation, and may be 1 sheet, 2 sheets, or 5 sheets, 6 sheets, or more.

The second-stage display interface is used for displaying the thumbnail of the shot picture, and the thumbnail of the picture is sequentially output and displayed according to the shooting time of the corresponding picture. The user can also view the previous and subsequent picture information further by displaying the back key and displaying the forward key.

In this embodiment, the client is further provided with a sound quality detection circuit and a sound quality display circuit, where the sound quality detection circuit is configured to detect sound quality of the recorded audio; the sound quality display circuit is connected with the sound quality detection circuit and is used for outputting and displaying the sound quality detection result through the recording interface. The sound quality detection includes, but is not limited to, intensity, timbre, and pitch of sound.

In this embodiment, the client is further provided with an annotation information acquisition circuit and an annotation information display circuit. The annotation information acquisition circuit is used for acquiring annotation information made by a user on the shot image data. The annotation information acquisition circuit comprises an annotation control, wherein the annotation control comprises a text annotation control used for writing text and a multimedia annotation control used for recording or loading multimedia data. The annotation information display circuit is used for outputting the annotation information corresponding to the display interface of the image data.

Referring to fig. 4, a system 300 for information acquisition is provided in accordance with another embodiment of the present invention. The system 300 includes an acquisition client 310 and a system server 320.

The acquisition client 310 includes: a recording start circuit 311, an image capturing circuit 312, and an acquisition communication circuit 313.

The recording start circuit 311 is configured to collect trigger information of recording operation of live-action information, and start recording according to the trigger.

The recording starting circuit 311 is connected with a control circuit of the recording structure and can control the recording structure to record. The recording structure, by way of example and not limitation, may include a main controller to which a microphone, a speaker, and a memory are connected, respectively. During recording, the microphone is used for collecting audio information and sending the audio information to the main controller for processing, and the processed audio file is stored in the service memory.

The image capturing circuit 312 is configured to trigger an image capturing operation according to a capturing instruction of the system server. The image capturing circuit 312 may include a camera, and the image recording is performed by the camera and is stored in the memory after being sent to the main controller for processing. The camera and the microphone can work simultaneously or independently.

The acquisition communication circuit 313 is used for being connected with the service communication circuit, receiving a control instruction of the system server and sending recorded file information to the system server.

The control command includes, but is not limited to, shooting command, file transfer command, etc.

The system server 320 includes: a service communication circuit 321, a determination circuit 322, and a service memory 323.

The service communication circuit 321 is configured to communicate with the acquisition communication circuit, and send and receive files and control instructions.

The determining circuit 322 is configured to collect image change information of the screen or the board writing interface during recording, determine whether the current frame of the screen is changed or whether the board writing interface is changed according to the image change information, and send a shooting instruction when determining that the current frame of the screen is changed or the board writing interface is changed.

The service memory 323 is connected to the service communication circuit, and is used for storing the record, the photographed picture and the photographed time point.

The above description is merely illustrative of the preferred embodiments of the invention and is not intended to limit the scope of the invention in any way, which includes additional implementations in which functions may be performed out of the order shown or discussed. Any alterations and modifications of the present invention, which are made by those of ordinary skill in the art based on the above disclosure, are intended to be within the scope of the appended claims.

Claims

1. The information acquisition method is characterized by comprising the following steps:

triggering the recording operation of the live-action information, and starting the recording; recording live-action information through a recording interface, wherein image shooting and recording are separately carried out, an information recording control, an image shooting control sub-interface and a recording control sub-interface are arranged on the recording interface, recording operation of the live-action information is started by triggering the information recording control, the recording operation is started after the information recording control is triggered, and the image shooting needs to be additionally triggered;

in the recording process, acquiring image change information of a screen or an blackboard writing interface in actual scene information through an image recognition device, triggering image shooting operation when the current frame of the screen is changed or the blackboard writing interface is changed, and storing a shot picture and a shot time point;

the recording interface is also displayed with a recording information name, wherein the recording information name is a name which is automatically named after being identified by collecting the shot picture information;

the image shooting control sub-interface comprises an image shooting display area, a shooting control key, a text annotation control and a multimedia annotation control; the image shooting display area is an area for displaying an actual scene image to be shot, and after a user triggers image shooting, the image shooting display area enters a view finding mode, and shooting control keys are arranged in the image shooting display area; when the user triggers the shooting control key, starting image shooting to enter an image shooting state, and when the shooting control key is triggered again, shooting to generate a picture; the text annotating control and the multimedia annotating control are arranged corresponding to the shot image data, the text annotating control is used for writing text to annotate the recorded pictures, and the multimedia annotating control is used for recording or loading multimedia data to annotate the recorded pictures.

2. The method according to claim 1, characterized in that: when the shot pictures are stored, whether the pictures are repeated or not is judged, and under the condition of repetition, one of the repeated pictures is selected as a reserved picture, and an index relationship is established between the other repeated pictures and the reserved picture.

3. The method according to claim 2, characterized in that: and deleting other repeated pictures, reserving a time point corresponding to the deleted repeated pictures, and obtaining a reserved picture through indexing.

4. The method according to claim 2, characterized in that: the retention picture is the image with the highest definition after comparison in all repeated pictures.

5. The method according to claim 1, characterized in that: when the recording is played, when the shooting time point is played, the corresponding picture is acquired, output and display are carried out, and the next picture is maintained to be updated.

6. The method according to claim 1, characterized in that: and detecting the sound quality of the recording information, and outputting and displaying the sound quality detection result through a recording interface.

7. A client for information gathering according to the method of claim 1, characterized by comprising:

the judging circuit is used for collecting image change information of a screen or an blackboard writing interface in the recording process and judging whether the current frame of the screen is changed or whether the blackboard writing interface is changed according to the image change information;

the memory is used for storing the record, the shot picture and the shot time point;

the annotation information acquisition circuit is used for acquiring annotation information made by a user on the shot image data; the annotation information acquisition circuit comprises an annotation control, wherein the annotation control comprises a text annotation control used for writing text and a multimedia annotation control used for recording or loading multimedia data;

and the annotation information display circuit is used for outputting the annotation information corresponding to the display interface of the image data.

8. The client of claim 7, wherein: the device comprises a repeated picture processing circuit, a storage unit and a storage unit, wherein the repeated picture processing circuit is used for judging whether the stored pictures are repeated or not, screening one of the repeated pictures to be used as a reserved picture under the condition of judging the repetition, and establishing an index relation between the other repeated pictures and the reserved picture.

9. The client of claim 7, wherein: the device comprises a playing circuit for playing the record and the picture, wherein when the playing circuit plays the record, the playing circuit obtains the corresponding picture and outputs the picture for display when the playing reaches the shooting time point, and the next picture is maintained to be updated.

10. The client of claim 7, wherein: the recording and playing device comprises a picture updating circuit, a recording and playing circuit and a recording and playing circuit, wherein the picture updating circuit is used for acquiring a corresponding picture to update a currently displayed picture and outputting and displaying the corresponding picture when the recording and playing is carried out to a next stored time point.

11. The client of claim 7, wherein: the voice quality detection circuit is used for detecting the voice quality of recorded voice frequency; the sound quality display circuit is connected with the sound quality detection circuit and is used for outputting and displaying the sound quality detection result through the recording interface.

12. A system for information collection according to the method of claim 1, comprising a collection client and a system server, wherein:

the acquisition client comprises a client-side and a client-side,

the acquisition communication circuit is used for being connected with the service communication circuit, receiving a control instruction of the system server and sending recorded file information to the system server;

the system server may comprise a server that is configured to,