CN109284592A

CN109284592A - A kind of topic recommended method and private tutor's equipment

Info

Publication number: CN109284592A
Application number: CN201811027772.9A
Authority: CN
Inventors: 李永旭
Original assignee: Guangdong Genius Technology Co Ltd
Current assignee: Guangdong Genius Technology Co Ltd
Priority date: 2018-09-04
Filing date: 2018-09-04
Publication date: 2019-01-29

Abstract

The present invention relates to technical field of electronic equipment, and in particular to a kind of topic recommended method and private tutor's equipment, comprising: private tutor's equipment obtains the answer duration that user is directed to target topic, and judges whether answer duration is greater than preset duration threshold value；If the answer duration is greater than preset duration threshold value, the practice topic for being greater than default similarity threshold with the similarity of target topic is obtained, and the practice topic is recommended into user.Implement the embodiment of the present invention, can be improved the learning effect of user.

Description

A kind of topic recommended method and private tutor's equipment

Technical field

The present invention relates to technical field of electronic equipment, and in particular to a kind of topic recommended method and private tutor's equipment.

Background technique

Currently, most of private tutor's equipment (such as study plate, private tutor's machine) can all provide online answering function, user can be with Answer is carried out by online answering function, reviews the knowledge oneself learnt on classroom.Under normal conditions, private tutor's equipment can be with Random manner additionally recommends the topic for consolidating, practicing to user.In practice, it has been found that destination party is inscribed in this random recommendation Method can not determine the real weak knowledge point of user, oneself weak knowledge point can not be grasped well by resulting in user, into And affect the learning effect of user.

Summary of the invention

The embodiment of the present invention discloses a kind of topic recommended method and private tutor's equipment, can be improved the learning effect of user.

First aspect of the embodiment of the present invention discloses a kind of topic recommended method, which comprises

Private tutor's equipment obtains the answer duration that user is directed to target topic；

Private tutor's equipment judges whether the answer duration is greater than preset duration threshold value；

If the answer duration is greater than the preset duration threshold value, private tutor's equipment is obtained and the target topic Similarity is greater than the practice topic of default similarity threshold, and the practice topic is recommended user.

As an alternative embodiment, in first aspect of the embodiment of the present invention, the method also includes:

If the answer duration is greater than the preset duration threshold value, private tutor's equipment is acquired by front camera and is used Family image information；

Private tutor's equipment extracts eyeprint feature from the user images information；

Private tutor's equipment judges whether the eyeprint feature matches with the legal eyeprint feature prestored；

If the eyeprint feature matches with the legal eyeprint feature, private tutor's equipment transfers the legal eyeprint The corresponding wrong exam pool of feature；

Private tutor's equipment obtains the practice topic for being greater than default similarity threshold with the similarity of the target topic, packet It includes:

Private tutor's equipment is obtained from the wrong exam pool is greater than default similarity threshold with the similarity of the target topic The practice topic of value.

If the answer duration is not more than the preset duration threshold value, private tutor's equipment obtains user and is directed to the mesh Title purpose target answer；

Private tutor's equipment judges whether the target answer matches with the model answer of the target topic；

If the target answer does not match with the model answer, private tutor's equipment executes the acquisition and institute The similarity for stating target topic is greater than the practice topic of default similarity threshold.

As an alternative embodiment, in first aspect of the embodiment of the present invention, private tutor's equipment is by the white silk After exercise mesh recommends user, the method also includes:

Private tutor's equipment detection user is directed to the exercise purpose answer content, and determines that the practice topic is corresponding Knowledge vertex type；

Private tutor's equipment determines user to the Grasping level of the knowledge vertex type according to the answer content；

When the Grasping level is less than default Grasping level threshold value, private tutor's equipment output and the knowledge vertex type The video lecture to match is watched for user.

As an alternative embodiment, in first aspect of the embodiment of the present invention, private tutor's equipment output and institute After video lecture that knowledge vertex type matches is stated for user's viewing, the method also includes:

Private tutor's equipment obtains the interaction in the video lecture playing process between user and the video lecture Information；

Private tutor's equipment determines sending online wait answer a question, and to teacher's terminal for user according to the interactive information Request is taught, so that the teacher of teacher's terminal carries out long-distance video guidance to user, the online guidance request is at least wrapped It includes described wait answer a question.

Second aspect of the embodiment of the present invention discloses a kind of private tutor's equipment, and private tutor's equipment includes:

First acquisition unit, the answer duration for being directed to target topic for obtaining user；

Judging unit, for judging whether the answer duration is greater than preset duration threshold value；

Second acquisition unit, for judging that the answer duration is greater than the preset duration threshold value in the judging unit When, obtain the practice topic for being greater than default similarity threshold with the similarity of the target topic；

Recommendation unit, for the practice topic to be recommended user.

As an alternative embodiment, in second aspect of the embodiment of the present invention, private tutor's equipment further include:

Acquisition unit, for the judging unit judge the answer duration be greater than the preset duration threshold value when, User images information is acquired by front camera；

Extraction unit, for extracting eyeprint feature from the user images information；

The judging unit, is also used to judge whether the eyeprint feature matches with the legal eyeprint feature prestored；

Unit is transferred, for judging that the eyeprint feature matches with the legal eyeprint feature in the judging unit When, transfer the corresponding wrong exam pool of the legal eyeprint feature；

The second acquisition unit obtains the exercise for being greater than default similarity threshold with the similarity of the target topic Purpose mode specifically:

The practice topic for being greater than default similarity threshold with the similarity of the target topic is obtained from the wrong exam pool.

As an alternative embodiment, in second aspect of the embodiment of the present invention, the first acquisition unit is also used In when the judging unit judges the answer duration no more than the preset duration threshold value, obtains user and be directed to the mesh Title purpose target answer；

The judging unit, be also used to judge the target answer whether the model answer phase with the target topic Match；

The second acquisition unit is also used to judge that the target answer is not answered with the standard in the judging unit When case matches, the practice topic for being greater than default similarity threshold with the similarity of the target topic is obtained.

Detection unit, for after the practice topic is recommended user by the recommendation unit, detection user to be directed to The exercise purpose answer content；

Determination unit, for determining the corresponding knowledge vertex type of the practice topic, and it is true according to the answer content User is determined to the Grasping level of the knowledge vertex type；

The judging unit, is also used to judge whether the Grasping level is less than default Grasping level threshold value；

Output unit, for judging that the Grasping level is less than the default Grasping level threshold value in the judging unit When, the video lecture that output matches with the knowledge vertex type is watched for user.

As an alternative embodiment, in second aspect of the embodiment of the present invention, the first acquisition unit is also used After the video lecture to match in output unit output with the knowledge vertex type is for user's viewing, obtain described Interactive information in video lecture playing process between user and the video lecture；

The determination unit, be also used to be determined according to the interactive information user wait answer a question；

Transmission unit is requested for sending online teach to teacher's terminal, so that the teacher of teacher's terminal is to user Long-distance video guidance is carried out, the online guidance request includes at least described wait answer a question.

The third aspect of the embodiment of the present invention discloses another private tutor's equipment, and private tutor's equipment includes:

It is stored with the memory of executable program code；

The processor coupled with the memory；

The processor calls the executable program code stored in the memory, executes the embodiment of the present invention the On the one hand all or part of the steps in any one disclosed method.

Fourth aspect of the embodiment of the present invention discloses a kind of computer readable storage medium, which is characterized in that it, which is stored, uses In the computer program of electronic data interchange, wherein the computer program makes computer execute the embodiment of the present invention first All or part of the steps in any one method disclosed in aspect.

The 5th aspect of the embodiment of the present invention discloses a kind of computer program product, when the computer program product is calculating When being run on machine, so that the computer executes some or all of any one method of first aspect step.

Compared with prior art, the embodiment of the present invention has the advantages that

In the embodiment of the present invention, private tutor's equipment obtains the answer duration that user is directed to target topic, and judges answer duration Whether preset duration threshold value is greater than；If the answer duration is greater than preset duration threshold value, obtain big with the similarity of target topic In the practice topic of default similarity threshold, and the practice topic is recommended into user.As it can be seen that implementing the embodiment of the present invention, energy Enough by specific time of the user effort on a certain topic, determine user to the grasp journey of knowledge point corresponding to the topic Degree, and recommend similar topic from trend user according to the Grasping level of user has been consolidated relatively weak for a user Knowledge point, and then improve the learning effect of user.

Detailed description of the invention

It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.

Fig. 1 is a kind of flow diagram of topic recommended method disclosed by the embodiments of the present invention；

Fig. 2 is the flow diagram of another topic recommended method disclosed by the embodiments of the present invention；

Fig. 3 is the flow diagram of another topic recommended method disclosed by the embodiments of the present invention；

Fig. 4 is a kind of structural schematic diagram of private tutor's equipment disclosed by the embodiments of the present invention；

Fig. 5 is the structural schematic diagram of another private tutor's equipment disclosed by the embodiments of the present invention；

Fig. 6 is the structural schematic diagram of another private tutor's equipment disclosed by the embodiments of the present invention；

Fig. 7 is a kind of part-structure block diagram of private tutor's machine disclosed by the embodiments of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts Example is applied, shall fall within the protection scope of the present invention.

It should be noted that term " includes " and " having " and their any changes in the embodiment of the present invention and attached drawing Shape, it is intended that cover and non-exclusive include.Such as contain the process, method of a series of steps or units, system, product or Equipment is not limited to listed step or unit, but optionally further comprising the step of not listing or unit or optional Ground further includes the other step or units intrinsic for these process, methods, product or equipment.

The embodiment of the present invention discloses a kind of topic recommended method and private tutor's equipment, can be improved the learning effect of user.With It is lower to be described in detail respectively.

Embodiment one

Referring to Fig. 1, Fig. 1 is a kind of flow diagram of topic recommended method disclosed by the embodiments of the present invention.Wherein, such as Shown in Fig. 1, which be may comprise steps of:

101, private tutor's equipment obtains the answer duration that user is directed to target topic.

In the embodiment of the present invention, optionally, it is pre- to judge whether current time is located at for the available current time of private tutor's equipment If learning time section in；If the current time is located in preset learning time section, environment where private tutor's equipment is detected Whether academic environment is belonged to；If so, the output of private tutor's equipment at least answer for user together by topic to be answered, and treated in user Topic of answering records the answer duration that user is directed to every topic to be answered together during being answered；Wherein, private tutor's equipment It can determine that the user learns in private tutor's equipment according to personal information such as the age of user, personality feature and physical conditions The duration of (answer, viewing study video etc.), using as preset learning time section, for example, the preset period can be with Be: morning 8:00-11:30, afternoon 14:30-17:30, evening 19:30-21:00；It should be noted that above-mentioned target problem can To be wait any one in topic of answering, the present invention is without limitation.

Wherein, whether environment where private tutor's equipment detects private tutor's equipment belongs to academic environment, may include: control private tutor Light sensor built in equipment acquires ambient light information, which may include spectrum, colour temperature and/illumination；It should Ambient light information is compared with the indoor optical information prestored, obtains comparison result；Where comparison result instruction private tutor's equipment When environment is indoor environment, the acoustic information of environment where acquisition private tutor's equipment；Private tutor's equipment institute is determined from the acoustic information In the level of noise of environment, and judge whether level of noise is greater than default noise threshold；If the level of noise is not more than default noise threshold Value determines that environment where private tutor's equipment belongs to academic environment.

Further alternative, private tutor's equipment may be used also during at least topic to be answered is answered for user together for output To detect whether to receive the answer acquisition request at least one topic (target topic) to be answered；If receiving this to answer Case acquisition request obtains the answer progress that user is directed to the target topic；When answer tempo instructions user completes the target topic When, export the corresponding model answer of target topic；When answer tempo instructions user does not complete the target topic, output prompt Information, the prompt information is for prompting user to check model answer again after completing target topic；In addition, private tutor's equipment may be used also The control period of fixed duration to be arranged after exporting at least one wait topic of answering.Within the control period, at least together It is locked on the display interface of private tutor's equipment wait target application interface corresponding to topic of answering, user can not be in private tutor's equipment Other content in addition to the target interface is operated, until private tutor's equipment can terminate to mesh when the control end cycle The locking of application interface is marked, user can operate the arbitrary content in private tutor's equipment.

As it can be seen that the embodiment of the present invention, can identify indoor and outdoor surroundings based on optical information, improve the identification of indoor and outdoor surroundings Accuracy；And answer interface is locked during user answers topic, improves child's being absorbed in during answer Degree, and then improve the learning efficiency of user.

102, private tutor's equipment judges whether the answer duration is greater than preset duration threshold value, presets if the answer duration is greater than Duration threshold value executes step 103；If the answer duration is not more than preset duration threshold value, terminate this process.

In the embodiment of the present invention, optionally, private tutor's equipment judge the answer duration whether be greater than preset duration threshold value it Before, it can also determine the topic types of target topic, and standard duration threshold value corresponding to the topic types is determined as presetting Duration threshold value, for example, the topic types of target topic are multiple-choice question, the standard duration threshold value of multiple-choice question is 3 minutes, then can be with Select 3 minutes as preset duration threshold value；For another example, the topic types of target topic are gap-filling questions, the standard duration of gap-filling questions Threshold value is 4 minutes, is used as preset duration threshold value then can choose 4 minutes.Further alternative, private tutor's equipment can also be true After the topic types for making target topic, the history answer record of the user stored in private tutor's equipment is obtained, which answers Topic record may include the average answer duration that user is directed to each topic types；According to the topic types of target topic, institute is right The standard duration threshold value answered and history answer, which record, determines the preset duration threshold value.For example, the topic class of target topic Type is multiple-choice question, and the standard duration threshold value of multiple-choice question is 3 minutes, and the user for including in history answer record is for multiple-choice question It is 4 minutes a length of when average answer, then preset duration threshold value can be the average value of standard duration threshold value and average answer duration, I.e. 3.5 minutes.As it can be seen that can be recorded based on the history answer of topic types and user determining default in the embodiment of the present invention Duration threshold value, so that being more in line with the practical feelings of user for the judging result whether the answer duration is greater than preset duration threshold value Condition, improves the accuracy of judging result, and then improves the identification accuracy for user's weakness knowledge point.

103, private tutor's equipment obtains the practice topic for being greater than default similarity threshold with the similarity of target topic, and should Practice topic recommends user.

In the embodiment of the present invention, as an alternative embodiment, private tutor's equipment is judging that it is pre- that answer duration is greater than If after duration threshold value, the target answer that user is directed to target topic can also be detected, and judge whether the target answer is mesh The preset model answer of title mesh, if not, the similarity for executing above-mentioned acquisition and target topic is greater than default similarity threshold The practice topic of value.Private tutor's equipment obtains the practice topic for being greater than default similarity threshold with the similarity of target topic, and will The practice topic recommends user, may include: that private tutor's equipment determines that practice topic set, the practice topic set include a large amount of It is greater than the practice topic of default similarity threshold with the similarity of target topic；Obtain the accumulative study duration on the day of user, root The study grade of user is determined according to the accumulative study duration, and obtains the exercise for the quantity that matches with the study grade of user Mesh；The practice topic of destination number is recommended into user；Wherein, private tutor's equipment can determine from database or wrong exam pool and practice Exercise set, the embodiment of the present invention is without limitation.For example, when the daily accumulative study duration of user reaches 5 small with And 5 it is more than hour when, the study grade of user is the first study grade；When the daily accumulative study duration of user is small at 3 When between 5 hours when, the study grade of user is the second study grade；When the daily accumulative study duration of user is less than etc. When 3 hours, the study grade of user is that third learns grade；Wherein, the corresponding 3 practice topic of the first study grade；The The corresponding 5 practice topic of two study grades；Third learns the corresponding 10 practice topic of grade.So, accumulative on the day of user When study at a length of 3.5 hours, private tutor's equipment can determine that the study grade of user is the second study grade, may further Obtain the practice topic for the quantity that matches with the second study grade, as 5 practice topics.As it can be seen that the embodiment of the present invention, it can Study situation based on user adaptively recommends practice topic to user, ensure that the appropriate property that user learns daily, improves The learning effect of user.

In the embodiment of the present invention, as another optional embodiment, which is recommended use by private tutor's equipment Family may include: the personal working and resting arrangement table that private tutor's equipment obtains user, may include user's in individual's working and resting arrangement table It gets up the information such as time, class period, mealtime and sleeping time；The sky of user is determined according to individual's working and resting arrangement table The not busy period gathers, and includes at least one free time section in free time section set；It is selected from free time section set Complete immediate target free time at completion moment section of target topic with user, and in target free time section by exercise Mesh is exported to the display interface of private tutor's equipment to be practiced for user.As it can be seen that the embodiment of the present invention, it can be based on the work and rest of user Situation is practiced for user in the free time section output topic of user, further improves the usage experience of user.

As it can be seen that can be determined by specific time of the user effort on a certain topic by method described in Fig. 1 User is to the Grasping level of knowledge point corresponding to the topic out, and is recommended from trend user according to the Grasping level of user similar Topic, consolidated knowledge point relatively weak for a user, and then improve the learning effect of user；It can be improved child Absorbed degree of son during answer, and then improve the learning efficiency of user；And it can be improved the accurate of judging result Property, and then improve the identification accuracy for user's weakness knowledge point；Furthermore it is possible to guarantee that user learns appropriate daily Property, and improve the usage experience of user.

Embodiment two

Referring to Fig. 2, Fig. 2 is the flow diagram of another topic recommended method disclosed by the embodiments of the present invention.Wherein, As shown in Fig. 2, the topic recommended method may comprise steps of:

In the embodiment of the present invention, which includes step 201~203, for the description of step 201~203, The detailed description that step 101~103 are directed in embodiment one is please referred to, the embodiment of the present invention repeats no more.

204, private tutor's equipment detection user is directed to exercise purpose answer content.

205, private tutor's equipment determines the corresponding knowledge vertex type of practice topic, and determines user according to above-mentioned answer content To the Grasping level of knowledge vertex type.

In the embodiment of the present invention, optionally, private tutor's equipment can also obtain the personal information of user, user for exercise Purpose practices duration and the exercise purpose calculation amount information, and according to personal information, practice duration, calculation amount information and Above-mentioned answer content determines user to the Grasping level of the knowledge vertex type；Wherein, the personal information of user may include user The age segment information being presently in.

206, when Grasping level is less than default Grasping level threshold value, the output of private tutor's equipment matches with knowledge vertex type Video lecture is watched for user.

In an alternative embodiment, after the step 206 that is finished, this method can also include following operation:

207, private tutor's equipment obtains the interactive information in video lecture playing process between user and video lecture.

In the embodiment of the present invention, above-mentioned interactive information may include that private tutor's equipment collects in video lecture playing process The voice messaging of user, user for the operation information of the broadcast interface of video lecture, the embodiment of the present invention is without limitation.With The voice messaging at family can be user in the enquirement voice issued in video lecture playing process；User is for video lecture The operation information of broadcast interface can be the text information that user inputs in the broadcast interface and/or user and touch in the broadcast interface The operation instruction information of hair, operational order include but is not limited to play pause instruction, replay instruction.

208, private tutor's equipment determines that user's sends online teach wait answer a question, and to teacher's terminal according to interactive information Request, so that the teacher of teacher's terminal carries out long-distance video guidance to user, which is included at least wait solve question and answer Topic.

In the embodiment of the present invention, teacher's terminal and private tutor's equipment can pre-establish communication connection.The quantity of teacher's terminal It can be one or more；When the quantity of teacher's terminal is more, private tutor's equipment be can choose in Xiang Duotai teacher's terminal The target teacher's terminal being in idle condition sends online teach and requests.As it can be seen that the embodiment of the present invention, can pass through long-distance video It teaches, so that user is answered in time in the query of viewing video lecture, has both improved the usage experience of user, can also improve The learning effect of user.

As it can be seen that can be determined by specific time of the user effort on a certain topic by method described in Fig. 2 User is to the Grasping level of knowledge point corresponding to the topic out, and is recommended from trend user according to the Grasping level of user similar Topic, consolidated knowledge point relatively weak for a user, and then improve the learning effect of user；It can be improved child Absorbed degree of son during answer, and then improve the learning efficiency of user；And it can be improved the accurate of judging result Property, and then improve the identification accuracy for user's weakness knowledge point；Furthermore it is possible to guarantee that user learns appropriate daily Property, and improve the usage experience of user.

Embodiment three

Referring to Fig. 3, Fig. 3 is the flow diagram of another topic recommended method disclosed by the embodiments of the present invention.Wherein, As shown in figure 3, the topic recommended method may comprise steps of:

In the embodiment of the present invention, which includes step 301~302, for the description of step 301~302, The detailed description that step 201~202 are directed in embodiment two is please referred to, the embodiment of the present invention repeats no more；Wherein, in step 302 judge answer duration be greater than preset duration threshold value when, triggering execute step 303；It grows up when step 302 judges answer When preset duration threshold value, terminate this process.

As an alternative embodiment, when step 302 judges answer duration no more than preset duration threshold value, also Following steps can be executed:

Private tutor's equipment obtains the target answer that user is directed to target topic；Private tutor's equipment judge the target answer whether with mesh Title purpose model answer matches, if the target answer does not match with model answer, private tutor's equipment is obtained inscribes with target Purpose similarity is greater than the practice topic of default similarity threshold, and the practice topic is recommended user；If the target is answered Case matches with model answer, terminates this process.

Further alternative, if the target answer does not match with model answer, the triggering of private tutor's equipment executes step 303 ~307.

Wherein, step 303~306, which can be private tutor's equipment and obtain, is greater than default similarity threshold with the similarity of target topic The exercise purpose specific implementation of value.

303, private tutor's equipment acquires user images information by front camera.

304, private tutor's equipment extracts eyeprint feature from user images information.

305, private tutor's equipment judges whether eyeprint feature matches with the legal eyeprint feature prestored, if eyeprint feature with Legal eyeprint feature matches, and triggering executes step 306；If eyeprint feature does not match with legal eyeprint feature, terminate this Process.

In the embodiment of the present invention, private tutor's equipment is judging eyeprint feature and the legal eyeprint feature prestored matches it Afterwards, other characteristics of human body's information of user can also be further obtained, human body characteristic information includes but is not limited to from private tutor The iris image of the collected information in fingerprint of the display interface of equipment, the acoustic information of collected user and user is believed It ceases, and determines fingerprint characteristic, vocal print feature and the iris feature of user according to human body characteristic information, therefore, human body is special Sign can include but is not limited to fingerprint characteristic, vocal print feature and iris feature；Judge fingerprint characteristic whether with prestore it is legal Fingerprint characteristic matches, whether vocal print feature matches with the legal vocal print feature prestored, iris feature whether with the conjunction that prestores Method iris feature matches；When judging result, which is, is, triggering executes step 306；Wherein, eyeprint feature also belongs to user's Characteristics of human body, the characteristics of human body such as eyeprint feature, fingerprint characteristic, vocal print feature and the iris feature of user are believed with legitimate user The form of breath is stored in private tutor's equipment, and is existed between each feature and remaining feature in addition to this feature and be associated with pass System.

In the embodiment of the present invention, if eyeprint feature does not match with legal eyeprint feature, private tutor's equipment can be to parent Terminal sends identification request, and identification request includes above-mentioned user images information；Private tutor's equipment detects whether to receive parent's end End sends confirmation message, and it is that the legal of private tutor's equipment uses user which, which is used to indicate the user,；Private tutor's equipment according to The confirmation message, using user images information (the especially corresponding eyeprint feature of the user images information) as legitimate user's information Newly-built mistake exam pool, and target topic is stored in wrong exam pool.

306, private tutor's equipment transfers the corresponding wrong exam pool of legal eyeprint feature, and obtains and target topic from wrong exam pool Similarity is greater than the practice topic of default similarity threshold.

In the embodiment of the present invention, which can store fallibility topic and wrong topic, wherein fallibility topic can be with It is topic of the other users error frequency higher than default error frequency that same age bracket is in user；Mistake topic can be The wrong topic that user completes in private tutor's equipment is also possible to the mistake topic that the user of teacher's terminal transmission completes in school Mesh；It should be noted that wrong topic can be used to indicate that the standard for the answer and the topic that user submits for a certain topic The unmatched topic of answer.

307, private tutor's equipment recommends user for topic is practiced.

For step 303~307, private tutor's equipment can be preset with the corresponding wrong exam pool of multiple legitimate users, and pass through eye Line feature identifies the legitimacy for determining the user, and then the phase with target topic is obtained from wrong exam pool corresponding to the user It is greater than the practice topic of default similarity threshold like degree, which is recommended into user.As it can be seen that the embodiment of the present invention, one Aspect can be identified by eyeprint feature, improve the accuracy of user's identification；It on the other hand can be based on the mistake topic of individual subscriber Practice topic is targetedly recommended to user in library, so that the practice topic recommended more meets the actual conditions of user, Jin Ergai It has been apt to the learning effect of user.

Wherein, which includes step 308~312, for the description of step 308~312, please refers to implementation The detailed description of step 204~208 is directed in example two, the embodiment of the present invention repeats no more.

As it can be seen that can be determined by specific time of the user effort on a certain topic by method described in Fig. 3 User is to the Grasping level of knowledge point corresponding to the topic out, and is recommended from trend user according to the Grasping level of user similar Topic, consolidated knowledge point relatively weak for a user, and then improve the learning effect of user；It can be improved child Absorbed degree of son during answer, and then improve the learning efficiency of user；And it can be improved the accurate of judging result Property, and then improve the identification accuracy for user's weakness knowledge point；And it can guarantee that user learns appropriate daily Property, improve the usage experience of user；And can the wrong exam pool based on individual subscriber targetedly to user recommend practice Topic further improves the learning effect of user so that the practice topic recommended more meets the actual conditions of user.

Example IV

Referring to Fig. 4, Fig. 4 is a kind of structural schematic diagram of private tutor's equipment disclosed by the embodiments of the present invention.As shown in figure 4, Private tutor's equipment may include:

First acquisition unit 401, the answer duration for being directed to target topic for obtaining user, and the answer duration is provided To judging unit 402.

In the embodiment of the present invention, optionally, the available current time of first acquisition unit 401, and judge current time Whether it is located in preset learning time section；If the current time is located in preset learning time section, detects the private tutor and set Whether standby place environment belongs to academic environment；If so, at least topic to be answered is answered for user together for output, and in user couple Topic to be answered records the answer duration that user is directed to every topic to be answered together during being answered；Wherein, it first obtains Take unit 401 that can determine that the user sets in private tutor according to personal information such as the age of user, personality feature and physical conditions The duration of standby upper study (answer, viewing study video etc.), using as preset learning time section, for example, when preset Between section may is that morning 8:00-11:30, afternoon 14:30-17:30, evening 19:30-21:00；It should be noted that above-mentioned mesh Mark problem can be wait any one in topic of answering, and the present invention is without limitation.

Wherein, the mode whether environment where first acquisition unit 401 detects private tutor's equipment belongs to academic environment is specific It can be with are as follows: the light sensor built in control private tutor's equipment acquires ambient light information, which may include spectrum, color Mildly/illumination；The ambient light information is compared with the indoor optical information prestored, obtains comparison result；When comparison result refers to When environment is indoor environment where showing private tutor's equipment, the acoustic information of environment where acquisition private tutor's equipment；From the acoustic information The level of noise of environment where determining private tutor's equipment, and judge whether level of noise is greater than default noise threshold；If the level of noise is not Greater than default noise threshold, determine that environment where private tutor's equipment belongs to academic environment.

Further alternative, first acquisition unit 401 is in the output process that at least topic to be answered is answered for user together In, it can also detect whether to receive the answer acquisition request at least one topic (target topic) to be answered；If connect The answer acquisition request is received, the answer progress that user is directed to the target topic is obtained；When answer tempo instructions user completes to be somebody's turn to do When target topic, the corresponding model answer of target topic is exported；When answer tempo instructions user does not complete the target topic, Prompt information is exported, the prompt information is for prompting user to check model answer again after completing target topic；In addition, first The control period of fixed duration can also be arranged in acquiring unit 401 after exporting at least one wait topic of answering.In the control In period, at least it is locked on the display interface of private tutor's equipment wait target application interface corresponding to topic of answering together, user Other content in private tutor's equipment in addition to the target interface can not be operated, until when the control end cycle, first Acquiring unit 401 can terminate the locking to target application interface, and user can grasp the arbitrary content in private tutor's equipment Make.

Judging unit 402 is supplied to for judging whether answer duration is greater than preset duration threshold value, and by judging result Two acquiring units 403.

In the embodiment of the present invention, optionally, judging unit 402 is judging whether the answer duration is greater than preset duration threshold value Before, the topic types of target topic can also be determined, and standard duration threshold value corresponding to the topic types is determined as pre- If duration threshold value, for example, the topic types of target topic are multiple-choice question, the standard duration threshold value of multiple-choice question is 3 minutes, then can Using select 3 minutes as preset duration threshold value；For another example, the topic types of target topic are gap-filling questions, when the standard of gap-filling questions Long threshold value is 4 minutes, is used as preset duration threshold value then can choose 4 minutes.Further alternative, judging unit 402 may be used also It, should after the topic types for determining target topic, to obtain the history answer record of the user stored in private tutor's equipment History answer record may include the average answer duration that user is directed to each topic types；According to the topic class of target topic Standard duration threshold value corresponding to type and history answer, which record, determines the preset duration threshold value.For example, target topic Topic types are multiple-choice question, and the standard duration threshold value of multiple-choice question is 3 minutes, and the user for including in history answer record is for choosing It selects when the average answer of topic a length of 4 minutes, then preset duration threshold value can be standard duration threshold value and average answer duration Average value, i.e., 3.5 minutes.As it can be seen that can be recorded based on the history answer of topic types and user true in the embodiment of the present invention Preset duration threshold value is determined, so that being more in line with user's for the judging result whether the answer duration is greater than preset duration threshold value Actual conditions, improve the accuracy of judging result, and then improve the identification accuracy for user's weakness knowledge point.

Second acquisition unit 403, for judging that answer duration is greater than preset duration threshold value in above-mentioned judging unit 402 When, the practice topic for being greater than default similarity threshold with the similarity of target topic is obtained, and the practice topic is supplied to and is pushed away Recommend unit 404.

In the embodiment of the present invention, as an alternative embodiment, second acquisition unit 403 can also detect user's needle Target answer to target topic, and judge whether the target answer is the preset model answer of target topic, if not, obtaining It is greater than the practice topic of default similarity threshold with the similarity of target topic.Wherein, the acquisition of second acquisition unit 403 and target The exercise purpose mode that the similarity of topic is greater than default similarity threshold is specifically as follows: determine practice topic set, it should Practice topic set includes the practice topic for being largely greater than default similarity threshold with the similarity of target topic；User is obtained to work as It accumulative study duration determines the study grade of user according to the accumulative study duration, and obtains the study grade with user The practice topic for the quantity that matches；Wherein, second acquisition unit 403 can determine exercise collection from database or wrong exam pool It closes, the embodiment of the present invention is without limitation.For example, when the daily accumulative study duration of user reaches 5 small and 5 small When more than when, the study grade of user is the first study grade；When the daily accumulative study duration of user when 3 small to 5 When between hour, the study grade of user is the second study grade；When the daily accumulative study duration of user is less than or equal to 3 small Constantly, the study grade of user is that third learns grade；Wherein, the corresponding 3 practice topic of the first study grade；Second study etc. The corresponding 5 practice topic of grade；Third learns the corresponding 10 practice topic of grade.So, the accumulative study duration on the day of user When being 3.5 hours, private tutor's equipment can determine that the study grade of user is the second study grade, may further obtain and the Two study grades match the practice topic of quantity, as 5 practice topics.As it can be seen that the embodiment of the present invention, can be based on user Study situation adaptively to user recommend practice topic, ensure that the appropriate property that user learns daily, improve user's Learning effect.

Recommendation unit 404 recommends user for that will practice topic.

In the embodiment of the present invention, as an alternative embodiment, the practice topic is recommended use by recommendation unit 404 Family mode is specifically as follows: obtaining the personal working and resting arrangement table of user, may include rising for user in individual's working and resting arrangement table The information such as bed time, class period, mealtime and sleeping time；The free time of user is determined according to individual's working and resting arrangement table Period gathers, and includes at least one free time section in free time section set；From free time section set in selection with User completes the completion moment immediate target free time section of target topic, and will practice topic in target free time section It exports to the display interface of private tutor's equipment and practices for user.As it can be seen that the embodiment of the present invention, it can be based on the work and rest feelings of user Condition is practiced for user in the free time section output topic of user, further improves the usage experience of user.

As it can be seen that by private tutor's equipment described in Fig. 4, can by specific time of the user effort on a certain topic, Determine that user recommends to the Grasping level of knowledge point corresponding to the topic, and according to the Grasping level of user from trend user Similar topic has consolidated knowledge point relatively weak for a user, and then has improved the learning effect of user；It can mention Absorbed degree of high child during answer, and then improve the learning efficiency of user；And it can be improved judging result Accuracy, and then improve the identification accuracy for user's weakness knowledge point；Furthermore it is possible to guarantee that user learns suitable daily Amount property, and improve the usage experience of user.

Embodiment five

Referring to Fig. 5, Fig. 5 is the structural schematic diagram of another private tutor's equipment provided in an embodiment of the present invention, wherein Fig. 5 Shown in private tutor's equipment be that private tutor's equipment further progress as shown in Figure 4 optimizes.With private tutor's equipment phase shown in fig. 5 Compare, private tutor's equipment shown in fig. 5 further include:

Detection unit 405 detects user's needle after topic recommends user for that will practice in above-mentioned recommendation unit 404 To exercise purpose answer content.

In the embodiment of the present invention, after detection unit 405 detects user for exercise purpose answer content, triggering is true Order member 406 starts.

Determination unit 406 practices the corresponding knowledge vertex type of topic for determining, and determines user according to answer content To the Grasping level of knowledge vertex type.

In the embodiment of the present invention, determine user to the grasp journey of knowledge vertex type according to answer content in determination unit 406 After degree, Grasping level of the user to the knowledge vertex type is supplied to judging unit 402.

Above-mentioned judging unit 402, is also used to judge whether Grasping level is less than default Grasping level threshold value, and judgement is tied Fruit is supplied to output unit 407.

Output unit 407, for judging that Grasping level is less than default Grasping level threshold value in above-mentioned judging unit 402 When, the video lecture that output matches with knowledge vertex type is watched for user.

As an alternative embodiment, as shown in figure 5, above-mentioned first acquisition unit 401, is also used in above-mentioned output After the video lecture that the output of unit 407 matches with knowledge vertex type is for user's viewing, obtain in video lecture playing process Interactive information between middle user and video lecture, and the interactive information is supplied to determination unit 406.

Above-mentioned determination unit 406, be also used to be determined according to interactive information user wait answer a question.

In the embodiment of the present invention, above-mentioned determination unit 406 determined according to interactive information user wait answer a question after, Transmission unit 408 is triggered to start.

Transmission unit 408, for teacher's terminal send it is online teach request so that the teacher of teacher's terminal to user into Row long-distance video is taught, which includes at least wait answer a question.

As it can be seen that by private tutor's equipment described in Fig. 5, can by specific time of the user effort on a certain topic, Determine that user recommends to the Grasping level of knowledge point corresponding to the topic, and according to the Grasping level of user from trend user Similar topic has consolidated knowledge point relatively weak for a user, and then has improved the learning effect of user；It can mention Absorbed degree of high child during answer, and then improve the learning efficiency of user；And it can be improved judging result Accuracy, and then improve the identification accuracy for user's weakness knowledge point；Furthermore it is possible to guarantee that user learns suitable daily Amount property, and improve the usage experience of user.

Embodiment six

Referring to Fig. 6, Fig. 6 is the structural schematic diagram of another private tutor's equipment provided in an embodiment of the present invention, wherein Fig. 6 Shown in private tutor's equipment be that private tutor's equipment further progress as shown in Figure 5 optimizes.With private tutor's equipment phase shown in fig. 5 Compare, private tutor's equipment shown in fig. 6 further include:

Acquisition unit 409, for leading to when above-mentioned judging unit 402 judges that answer duration is greater than preset duration threshold value Front camera acquisition user images information is crossed, and the user images information is supplied to extraction unit 410.

The eyeprint feature for extracting eyeprint feature from user images information, and is supplied to judgement by extraction unit 410 Unit 402.

Above-mentioned judging unit 402, is also used to judge whether eyeprint feature matches with the legal eyeprint feature prestored, and will Judging result, which is supplied to, transfers unit 411.

Unit 411 is transferred, for judging that eyeprint feature matches with legal eyeprint feature in above-mentioned judging unit 402 When, the corresponding wrong exam pool of legal eyeprint feature is transferred, and be supplied to second acquisition unit 403.

Above-mentioned second acquisition unit 403 obtains the practice topic for being greater than default similarity threshold with the similarity of target topic Mode be specifically as follows:

The practice topic for being greater than default similarity threshold with the similarity of target topic is obtained from wrong exam pool.

As an alternative embodiment, as shown in fig. 6, above-mentioned first acquisition unit 401, is also used in above-mentioned judgement When unit 402 judges answer duration no more than preset duration threshold value, the target answer that user is directed to target topic is obtained, and will The target answer is supplied to judging unit 402.

Above-mentioned judging unit 402, is also used to judge whether target answer matches with the model answer of target topic, and will Judging result is supplied to second acquisition unit 403.

Above-mentioned second acquisition unit 403, be also used to above-mentioned judging unit 402 judge target answer not with model answer When matching, the practice topic for being greater than default similarity threshold with the similarity of target topic is obtained.

As it can be seen that by private tutor's equipment described in Fig. 6, can by specific time of the user effort on a certain topic, Determine that user recommends to the Grasping level of knowledge point corresponding to the topic, and according to the Grasping level of user from trend user Similar topic has consolidated knowledge point relatively weak for a user, and then has improved the learning effect of user；It can mention Absorbed degree of high child during answer, and then improve the learning efficiency of user；And it can be improved judging result Accuracy, and then improve the identification accuracy for user's weakness knowledge point；And it can guarantee that user learns suitable daily Amount property, improves the usage experience of user；And can the wrong exam pool based on individual subscriber targetedly to user recommend practice Exercise mesh further improves the learning effect of user so that the practice topic recommended more meets the actual conditions of user.

The embodiment of the invention also provides a kind of private tutor's machines, as shown in fig. 7, for ease of description, illustrating only and this hair The relevant part of bright embodiment, it is disclosed by specific technical details, please refer to present invention method part.With the family of Fig. 7 For religion machine:

Fig. 7 shows the part-structure block diagram of private tutor's machine relevant to terminal provided in an embodiment of the present invention.With reference to figure 7, private tutor's machine includes: radio frequency (Radio Frequency, RF) circuit 1110, memory 1120, input unit 1130, display list Member 1140, sensor 1150, voicefrequency circuit 1160, wireless communication module 1170, processor 1180, power supply 1190 and camera 1100 equal components.It will be understood by those skilled in the art that private tutor's machine structure shown in Fig. 7 does not constitute the limit to private tutor's machine It is fixed, it may include perhaps combining certain components or different component layouts than illustrating more or fewer components.

It is specifically introduced below with reference to each component parts of the Fig. 7 to private tutor's machine:

RF circuit 1110 can be used for receiving and sending messages or communication process in, signal sends and receivees, particularly, by base station After downlink information receives, handled to processor 1180；In addition, the data for designing uplink are sent to base station.In general, RF circuit 1110 include but is not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier (Low Noise Amplifier, LNA), duplexer etc..In addition, RF circuit 1110 can also be logical with network and other equipment by wireless communication Letter.Any communication standard or agreement, including but not limited to global system for mobile communications (Global can be used in above-mentioned wireless communication System of Mobile communication, GSM), general packet radio service (General Packet Radio Service, GPRS), CDMA (Code Division Multiple Access,

CDMA), wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA), long-term Evolution (Long Term Evolution, LTE), Email, short message service (Short Messaging Service, SMS) etc..

Memory 1120 can be used for storing executable program code, and the processor 1180 coupled with memory 1120 passes through fortune Row is stored in the executable program code of memory 1120, thereby executing the various function application and data processing of private tutor's machine, Especially for executing all or part of embodiment one to any drowning alarming method based on user behavior of embodiment three Step.Memory 1120 can mainly include storing program area and storage data area, wherein storing program area can store operation system Application program (such as sound-playing function, image player function etc.) needed for system, at least one function etc.；It storage data area can Storage uses created data (such as audio data, phone directory etc.) etc. according to private tutor's machine.In addition, memory 1120 can be with It can also include nonvolatile memory, for example, at least disk memory, a flash memory including high-speed random access memory Device or other volatile solid-state parts.

Input unit 1130 can be used for receiving the number or character information of input, and generate the user setting with private tutor's machine And the related key signals input of function control.Specifically, input unit 1130 may include touch panel 1131 and other are defeated Enter equipment 1132.Touch panel 1131, also referred to as touch screen collect the touch operation of user on it or nearby and (for example use Family uses the behaviour of any suitable object or attachment on touch panel 1131 or near touch panel 1131 such as finger, stylus Make), and corresponding attachment device is driven according to preset formula.Optionally, touch panel 1131 may include touch detection Two parts of device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation band The signal come, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and by it It is converted into contact coordinate, then gives processor 1180, and order that processor 1180 is sent can be received and executed.In addition, Touch panel 1131 can be realized using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch surface Plate 1131, input unit 1130 can also include other input equipments 1132.Specifically, other input equipments 1132 may include But in being not limited to physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc. It is one or more.

Display unit 1140 can be used for showing information input by user or the information and private tutor machine that are supplied to user Various menus.Display unit 1140 may include display panel 1141, optionally, can be with

Using liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) etc. forms configure display panel 1141.Further, touch panel 1131 can cover Lid display panel 1141 sends processor 1180 to after touch panel 1131 detects touch operation on it or nearby To determine the type of touch event, it is followed by subsequent processing device 1180 and is provided on display panel 1141 according to the type of touch event accordingly Visual output.Although touch panel 1131 and display panel 1141 are to realize house as two independent components in Fig. 7 The input and input function of religion machine, but in some embodiments it is possible to touch panel 1131 and display panel 1141 are integrated And that realizes private tutor's machine outputs and inputs function.

Private tutor's machine may also include at least one sensor 1150, such as optical sensor, motion sensor and other sensings Device.Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment The light and shade of light adjusts the brightness of display panel 1141, and proximity sensor can close display surface when mobile phone is moved in one's ear Plate 1141 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (generally three axis) The size of acceleration can detect that size and the direction of gravity when static, the application that can be used to identify mobile phone posture is (such as vertical and horizontal Shield switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；As for mobile phone The other sensors such as gyroscope, barometer, hygrometer, thermometer, the infrared sensor that can also configure, details are not described herein.

Voicefrequency circuit 1160, loudspeaker 1161, microphone 1162 can provide the audio interface between user and private tutor's machine.Sound Electric signal after the audio data received conversion can be transferred to loudspeaker 1161, by 1161 turns of loudspeaker by frequency circuit 1160 It is changed to voice signal output；On the other hand, the voice signal of collection is converted to electric signal by microphone 1162, by voicefrequency circuit 1160 receive after be converted to audio data, then by after the processing of audio data output processor 1180, through RF circuit 1110 to send It exports to memory 1120 to such as another private tutor's machine, or by audio data to be further processed.

Wireless communication module 1170 can be used for executing to external equipment the control instruction for sending information, receiving external equipment Deng particularly, processor 1180 being sent to after the control instruction for receiving external equipment, is handled by processor 1180.Nothing Line communication module 1170 may include such as Wireless Fidelity (wireless fidelity, WiFi) module etc..Wherein, WiFi belongs to short Range wireless transmission technology, private tutor's machine can be used for sending information by WiFi module, user helped to send and receive e-mail, browse Webpage and access streaming video and the control instruction etc. for receiving external equipment, it provides wireless broadband internet for user Access.

Processor 1180 is the control centre of private tutor's machine, utilizes each portion of various interfaces and connection whole mobile phone Point, by running or execute the software program and/or module that are stored in memory 1120, and calls and be stored in memory Data in 1120 execute the various functions and processing data of private tutor's machine, to carry out integral monitoring to private tutor's machine.Optionally, Processor 1180 may include one or more processing units；Preferably, processor 1180 can integrate application processor and modulatedemodulate Adjust processor, wherein the main processing operation system of application processor, user interface and application program etc., modem processor Main processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 1180.

Private tutor's machine further includes the power supply 1190 (such as battery) powered to all parts, it is preferred that power supply can pass through electricity Management system and processor 1180 are logically contiguous, to realize management charging, electric discharge and power consumption by power-supply management system The functions such as management.

Although being not shown, private tutor's machine can also be including bluetooth module etc., and details are not described herein.

In embodiments of the present invention, processor 1180 included by private tutor's machine is used to execute to store in memory 1120 Executable program code, also with the following functions:

It controls sensor 1150 and obtains the answer duration that user is directed to target topic；

Judge whether answer duration is greater than preset duration threshold value；

If answer duration is greater than preset duration threshold value, obtains and be greater than default similarity threshold with the similarity of target topic Practice topic, and the practice topic is recommended into user.

It, can be by the target that is consistent with users personal data as it can be seen that by processor 1180 included by private tutor's machine Corpus identifies the voice messaging of user, and searches for and export target answer according to the target problem identified, can It effectively solves the problems, such as to need to search for, and then improves and search topic accuracy rate.

Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage Medium include read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only memory (One- Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only memory (Electrically-Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact Disc Read-Only Memory, CD-ROM) or other disc memories, magnetic disk storage, magnetic tape storage or can For carrying or any other computer-readable medium of storing data.

The above, above embodiments are only to illustrate the technical solution of the application rather than its limitations；Although referring to before Embodiment is stated the application is described in detail, however those skilled in the art should understand that；It still can be with It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；And These are modified or replaceed, the spirit and model of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution It encloses.

Claims

1. a kind of topic recommended method, which is characterized in that the described method includes:

If the answer duration is greater than the preset duration threshold value, private tutor's equipment obtains similar to the target topic Degree is greater than the practice topic of default similarity threshold, and the practice topic is recommended user.

2. the method according to claim 1, wherein the method also includes:

If the answer duration is greater than the preset duration threshold value, private tutor's equipment acquires user by front camera and schemes As information；

If the eyeprint feature matches with the legal eyeprint feature, private tutor's equipment transfers the legal eyeprint feature Corresponding mistake exam pool；

Private tutor's equipment obtains the practice topic for being greater than default similarity threshold with the similarity of the target topic, comprising:

Private tutor's equipment is obtained from the wrong exam pool is greater than default similarity threshold with the similarity of the target topic Practice topic.

3. method according to claim 1 or 2, which is characterized in that the method also includes:

If the answer duration is not more than the preset duration threshold value, private tutor's equipment obtains user and inscribes for the target Purpose target answer；

If the target answer does not match with the model answer, private tutor's equipment executes the acquisition and the mesh Title purpose similarity is greater than the practice topic of default similarity threshold.

4. described in any item methods according to claim 1~3, which is characterized in that private tutor's equipment is by the practice topic After recommending user, the method also includes:

Private tutor's equipment detection user is directed to the exercise purpose answer content, and determines that the practice topic is corresponding and know Know vertex type；

When the Grasping level is less than default Grasping level threshold value, private tutor's equipment output and the knowledge vertex type phase The video lecture matched is watched for user.

5. according to the method described in claim 4, it is characterized in that, private tutor's equipment output and the knowledge vertex type phase After the video lecture matched is watched for user, the method also includes:

Private tutor's equipment obtains the interactive information in the video lecture playing process between user and the video lecture；

Private tutor's equipment determines that user's sends online teach wait answer a question, and to teacher's terminal according to the interactive information Request, so that the teacher of teacher's terminal carries out long-distance video guidance to user, the online guidance request includes at least institute It states wait answer a question.

6. a kind of private tutor's equipment characterized by comprising

Second acquisition unit, for the judging unit judge the answer duration be greater than the preset duration threshold value when, Obtain the practice topic for being greater than default similarity threshold with the similarity of the target topic；

Recommendation unit, for the practice topic to be recommended user.

7. private tutor's equipment according to claim 6, which is characterized in that private tutor's equipment further include:

Acquisition unit, for passing through when the judging unit judges that the answer duration is greater than the preset duration threshold value Front camera acquires user images information；

Unit is transferred, for when the judging unit judges the eyeprint feature and the legal eyeprint feature matches, Transfer the corresponding wrong exam pool of the legal eyeprint feature；

The second acquisition unit obtains the exercise purpose for being greater than default similarity threshold with the similarity of the target topic Mode specifically:

8. private tutor's equipment according to claim 6 or 7, which is characterized in that the first acquisition unit is also used to described When judging unit judges the answer duration no more than the preset duration threshold value, user is obtained for the target topic Target answer；

The judging unit, is also used to judge whether the target answer matches with the model answer of the target topic；

The second acquisition unit, be also used to the judging unit judge the target answer not with the model answer phase When matching, the practice topic for being greater than default similarity threshold with the similarity of the target topic is obtained.

9. according to the described in any item private tutor's equipment of claim 6~8, which is characterized in that private tutor's equipment further include:

Detection unit, for after the practice topic is recommended user by the recommendation unit, detection user to be for described Exercise purpose answer content；

Determination unit determines use for determining the corresponding knowledge vertex type of the practice topic, and according to the answer content Grasping level of the family to the knowledge vertex type；

Output unit, for the judging unit judge the Grasping level be less than the default Grasping level threshold value when, The video lecture that output matches with the knowledge vertex type is watched for user.

10. private tutor's equipment according to claim 9, which is characterized in that the first acquisition unit is also used to described defeated After the video lecture that unit output matches with the knowledge vertex type out is for user's viewing, acquisition is broadcast in the video lecture Interactive information during putting between user and the video lecture；

Transmission unit is requested for sending online teach to teacher's terminal, so that the teacher of teacher's terminal carries out user Long-distance video is taught, and the online guidance request includes at least described wait answer a question.