CN106202360B - Test question searching method and device - Google Patents
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Abstract
The invention is suitable for the technical field of test question searching and provides a test question searching method and device. The method comprises the following steps: after receiving a starting instruction of a search question application, starting the search question application and a camera; acquiring a picture of a question including a test question, and identifying text information corresponding to the picture; searching the question according to the identification result of the text information; and when the number of searched topics is 1, acquiring and displaying information corresponding to the topics. By the method, the problem searching efficiency can be improved.
Description
Technical Field
The embodiment of the invention belongs to the technical field of test question searching, and particularly relates to a test question searching method and device.
Background
At present, intelligent equipment products have many search question APPs that solve student's homework difficult problem, such as ape search question, scholar monarch, homework group etc. they all shoot the difficult problem, will shoot content input search question APP again to search for the question APP and search for corresponding answer of solving the question according to the content of shooing. However, the following steps are often required to be executed when the search topic APP is used: the user opens APP, the user opens the camera, the user shoots the test questions, the user uploads the picture including the shot test questions so that the search question APP searches the test questions and the like, therefore, the operation steps of using the search question APP are too complex, and the search question rate is reduced.
Disclosure of Invention
The embodiment of the invention provides a test question searching method and device, aiming at solving the problem of low question searching efficiency of the existing method.
The embodiment of the invention is realized in such a way that a test question searching method comprises the following steps:
after receiving a starting instruction of a search question application, starting the search question application and a camera;
acquiring a picture of a question including a test question, and identifying text information corresponding to the picture;
searching the question according to the identification result of the text information;
and when the number of searched topics is 1, acquiring and displaying information corresponding to the topics.
Another object of an embodiment of the present invention is to provide an apparatus for searching for test questions, the apparatus including:
the camera starting unit is used for starting the search question application and the camera after receiving a search question application starting instruction;
the text information identification unit is used for acquiring a picture of a question including a test question and identifying text information corresponding to the picture;
the title searching unit is used for searching titles according to the identification result of the text information;
and the information display unit is used for acquiring and displaying the information corresponding to the titles when the number of searched titles is 1.
In the embodiment of the invention, the camera is started when the question searching application is started, and the text information corresponding to the picture is directly identified without uploading by the user after the picture of the question including the test question is obtained, so that the user operation is reduced, the searching efficiency is improved, and the good experience of the user is improved.
Drawings
Fig. 1 is a flowchart of a test question searching method according to a first embodiment of the present invention;
fig. 2 is a block diagram of a test question searching apparatus according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the embodiment of the invention, after a starting instruction of a search question application is received, the search question application and a camera are started, a picture of a question including a test question is obtained, text information corresponding to the picture is identified, question searching is carried out according to an identification result of the text information, and when the number of the searched questions is 1, information corresponding to the question is obtained and displayed.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
The first embodiment is as follows:
fig. 1 shows a flowchart of a test question searching method according to a first embodiment of the present invention, which is detailed as follows:
and step S11, after receiving the starting instruction of the search question application, starting the search question application and the camera.
In the step, after the user starts the question searching application, the intelligent terminal automatically starts a camera of the intelligent terminal to shoot pictures. Since the user is not required to perform the operation of opening the camera, the operation complexity is simplified.
Step S12, obtaining a picture of the subject including the test question, and identifying text information corresponding to the picture.
Wherein, the picture of the subject including the test question can be: a picture including text information of a first line of a title; a picture including a second line of textual information of the subject; a picture including text information for the first and second lines of the title, and so on.
In this step, the text information in the picture can be recognized by an Optical Character Recognition (OCR) Recognition technology.
Optionally, in order to reduce the search content and improve the search efficiency, the step S12 specifically includes:
the method comprises the steps of obtaining a picture including the subject of the test question, and identifying text information corresponding to a line where a screen cursor projects on the subject of the test question in the picture. Because only the text information corresponding to the line where the screen cursor projects on the subject of the test question in the picture is identified, and the information included in the text information in one line is less, the search result can be obtained quickly when the subsequent search is carried out according to the text information.
Optionally, after the obtaining a picture including a topic of the test question and identifying text information in the picture corresponding to a line on which a cursor of a screen projects on the topic of the test question, the method includes:
and A1, judging whether the text information corresponding to the line where the screen cursor is projected on the subject of the test question is the text information of the first line of the subject.
And A2, when the text information corresponding to the line where the screen cursor projects on the subject of the test question is the text information of the first line of the subject, performing subject search according to the identification result of the text information.
And A3, when the text information corresponding to the line of the screen cursor projected on the subject of the test question is not the text information of the first line of the subject, adjusting the projection range of the screen cursor on the test question so that the text information corresponding to the line of the screen cursor projected on the subject of the test question in the acquired picture is the text information of the first line of the subject.
In the above-mentioned a1 to A3, it is first determined whether or not the text information corresponding to the line on which the cursor is projected is the text information of the first line of the title, and if so, step S13 and the following step S14 are executed. Otherwise, the camera can be enabled to actively adjust the view range to adjust the projection range of the cursor of the screen on the test question; or sending out a prompt (such as a language prompt or a vibration prompt) so that the user can adjust the projection range of the cursor of the screen on the test question according to the prompt sent out by the intelligent terminal.
Optionally, whether the text information is the text information of the first line of the title is determined by determining whether the head end or the tail end of the text information is a number, where a1 specifically includes:
and A11, judging whether the head end or the tail end of the text information corresponding to the line where the cursor of the screen is projected on the subject of the test question is a number.
A12, when the head end or the tail end of the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is a number, judging that the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is the text information of the first line of the subject, otherwise, judging that the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is not the text information of the first line of the subject.
In the above-mentioned a11 and a12, each test question usually has a corresponding serial number, and the serial number appears only at the head end or the tail end of the test question, so when the head end or the tail end of the text information corresponding to the picture is judged to be a number, the text information corresponding to the picture can be quickly and accurately judged to be the text information of the first line of the question.
Or, by comparing the intervals between two adjacent lines of text information, it is determined whether the text information is the text information of the first line of the title, where a1 specifically includes:
a11', judging whether the interval between the text information corresponding to the line where the screen cursor projects on the question of the test question and the text information of the previous line is larger than a preset line-to-line threshold value.
A12', when the distance between the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question and the text information of the previous line is larger than a preset threshold value between lines, judging that the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is the text information of the first line of the subject, otherwise, judging that the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is not the text information of the first line of the subject.
Wherein the preset inter-line threshold is equal to or slightly larger than the interval between the text contents of each line in the same test question.
Because the interval between the text information of each test question is larger than the interval between the text information of each line in the same test question, when the interval between the text information corresponding to the line where the cursor of the screen is projected on the question of the test question and the text information of the previous line is larger than a preset threshold value between the lines, the text information corresponding to the line where the cursor of the screen is projected on the question of the test question is judged to be not the text information of the first line of the question.
It should be noted that, when there is no text information in the line above the text information corresponding to the line where the cursor of the screen is projected to the subject of the test question, it is determined that the text information corresponding to the line where the cursor of the screen is projected to the subject of the test question is the text information in the first line of the subject.
Step S13, a title search is performed based on the recognition result of the text information.
Specifically, the recognition result of the text information is compared with the information in the cloud question bank (for example, word-by-word or line-by-line comparison), so that when the two are matched (for example, the number of the same characters is greater than a specified character number threshold), corresponding information, such as the answer of the question, is output.
In step S14, when the number of searched topics is 1, information corresponding to the topics is acquired and displayed.
In this step, when a unique search result matching the identification result of the text information is searched, information corresponding to the title, such as an answer and/or an analysis and/or a title corresponding to the title, is acquired and displayed.
Optionally, when the number of searched topics is not 1, obtaining text information of an nth line of topics, and performing topic search according to recognition results of the text information of the first to nth lines of topics, where N is an integer and is greater than or equal to 2.
When the number of searched topics is 1, acquiring and displaying information corresponding to the topics; and when the number of searched topics is not 1, acquiring text information of the (N +1) th line of the topics, searching the topics according to the recognition results of the text information of the first to (N +1) th lines of the topics, and repeating the steps until searching the topics according to the recognition results of the text information of all the lines of the topics.
In the above steps, when no unique matching title is searched according to the text information of the first line of titles, the text information of the second line is acquired, then the search is continued at the cloud according to the text information of the first line and the second line, if no unique matching title is searched yet, the text information of the third line is continuously acquired until the text information of all lines of titles is acquired, and if no matched unique title is searched according to the text information of all lines of titles, the information corresponding to all searched titles is output, so that the user can select the information.
In the first embodiment of the invention, after a search question application starting instruction is received, the search question application and a camera are started, a picture of questions including test questions is obtained, text information corresponding to the picture is identified, question searching is carried out according to the identification result of the text information, and when the number of the searched questions is 1, information corresponding to the questions is obtained and displayed. Because the camera is also started when the question searching application is started, and after the picture of the question including the test question is obtained, the text information corresponding to the picture is directly identified without uploading by a user, so that the user operation is reduced, and the good experience of the user is improved.
It should be understood that, in the embodiment of the present invention, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiment of the present invention.
Example two:
fig. 2 shows a block diagram of a test question searching apparatus according to a second embodiment of the present invention, which is applicable to an intelligent terminal, which may include a user equipment communicating with one or more core networks via a radio access network RAN, the user equipment may be a learning machine, a mobile phone (or "cellular" phone), a computer with mobile equipment, etc., and the user equipment may also be a portable, pocket, hand-held, computer-included or vehicle-mounted mobile apparatus, for example, which exchanges voice and/or data with the radio access network. Also for example, the mobile device may include a smartphone, a tablet computer, a Personal Digital Assistant (PDA), a point-of-sale (POS) or a vehicle-mounted computer, etc. For convenience of explanation, only portions related to the embodiments of the present invention are shown.
The examination question searching device includes: a camera starting unit 21, a text information identification unit 22, a title searching unit 23 and an information display unit 24. Wherein:
and the camera starting unit 21 is configured to start the search question application and the camera after receiving the search question application starting instruction.
Specifically, after a user starts a question searching application, the intelligent terminal automatically starts a camera of the intelligent terminal to shoot pictures. Since the user is not required to perform the operation of opening the camera, the operation complexity is simplified.
The text information identification unit 22 is configured to acquire a picture of a subject including the test question, and identify text information corresponding to the picture.
Wherein, the picture of the subject including the test question can be: a picture including text information of a first line of a title; a picture including a second line of textual information of the subject; a picture including text information for the first and second lines of the title, and so on.
Alternatively, in order to reduce the search content and improve the search efficiency, the text information identifying unit 22 includes:
the method comprises the steps of obtaining a picture including the subject of the test question, and identifying text information corresponding to a line where a screen cursor projects on the subject of the test question in the picture.
Because only the text information corresponding to the line where the screen cursor projects on the subject of the test question in the picture is identified, and the information included in the text information in one line is less, the search result can be obtained quickly when the subsequent search is carried out according to the text information.
Optionally, the test question searching device includes:
and the first line judgment module is used for judging whether the text information corresponding to the line of the projection of the cursor of the screen on the question is the text information of the first line of the question or not so as to search the question according to the identification result of the text information when the text information corresponding to the line of the projection of the cursor of the screen on the question is the text information of the first line of the question.
And the view range adjusting module is used for adjusting the projection range of the cursor of the screen in the test question when the text information corresponding to the line of the projection of the cursor of the screen in the question is not the text information of the first line of the question, so that the text information corresponding to the line of the projection of the cursor of the screen in the question in the acquired picture is the text information of the first line of the question.
In the above first line judgment module and the view range adjustment module, it is first judged whether the text information corresponding to the line on which the cursor is projected is the text information of the first line of the title, and if so, the title search unit 23 and the information display unit 24 are executed. Otherwise, the camera can be enabled to actively adjust the view range to adjust the projection range of the cursor of the screen on the test question; or sending out a prompt (such as a language prompt or a vibration prompt) so that the user can adjust the projection range of the cursor of the screen on the test question according to the prompt sent out by the intelligent terminal.
Optionally, whether the text information is the text information of the first line of the title is determined by determining whether the head end or the tail end of the text information is a number, where the first line determining module includes:
and the digital judgment module is used for judging whether the head end or the tail end of the text information corresponding to the line where the cursor of the screen is projected on the question of the test question is a digital number.
And the first head line text information judging module is used for judging that the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is the text information of the first line of the subject when the head end or the tail end of the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is a number, otherwise, judging that the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is not the text information of the first line of the subject.
In the above-mentioned module for determining whether to include the number and the first line text information, because each test question usually has a corresponding serial number, and the serial number is only present at the head end or the tail end of the test question, when the head end or the tail end of the text information corresponding to the picture is determined to be the number, the text information corresponding to the picture can be quickly and accurately determined to be the first line text information of the question.
Or, the first line judgment module judges whether the text information is the text information of the first line of the title by comparing the interval between two adjacent lines of text information, and at this time, the first line judgment module includes:
and the inter-line interval comparison module is used for judging whether the interval between the text information corresponding to the line where the cursor of the screen is projected on the question of the test question and the text information of the previous line is greater than a preset inter-line threshold value or not.
And the second first line text information judging module is used for judging that the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is the text information of the first line of the subject when the interval between the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question and the text information of the previous line is greater than a preset threshold value between the lines, and otherwise, judging that the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is not the text information of the first line of the subject.
Wherein the preset inter-line threshold is equal to or slightly larger than the interval between the text contents of each line in the same test question.
Because the interval between the text information of each test question is larger than the interval between the text information of each line in the same test question, when the interval between the text information corresponding to the line where the cursor of the screen is projected on the question of the test question and the text information of the previous line is larger than a preset threshold value between the lines, the text information corresponding to the line where the cursor of the screen is projected on the question of the test question is judged to be not the text information of the first line of the question.
It should be noted that, when there is no text information in the line above the text information corresponding to the line where the cursor of the screen is projected to the subject of the test question, it is determined that the text information corresponding to the line where the cursor of the screen is projected to the subject of the test question is the text information in the first line of the subject.
And a title searching unit 23, configured to perform title search according to the recognition result of the text information.
Specifically, the recognition result of the text information is compared with the information in the cloud question bank (for example, word-by-word or line-by-line comparison), so that when the two are matched (for example, the number of the same characters is greater than a specified character number threshold), corresponding information, such as the answer of the question, is output.
And an information display unit 24, configured to acquire and display information corresponding to the titles when the number of searched titles is 1.
And when the unique search result matched with the identification result of the text information is searched, acquiring and displaying information corresponding to the title, such as displaying an answer and/or analysis and/or the title and the like corresponding to the title.
Optionally, the test question searching device includes:
and the supplementary information acquisition unit is used for acquiring the text information of the Nth line of the titles when the number of the searched titles is not 1, and searching the titles according to the identification results of the text information of the first line to the Nth line of the titles, wherein N is an integer and is more than or equal to 2.
The supplementary information searching unit is used for acquiring and displaying information corresponding to the titles when the number of searched titles is 1; and when the number of searched topics is not 1, acquiring text information of the (N +1) th line of the topics, searching the topics according to the recognition results of the text information of the first to (N +1) th lines of the topics, and repeating the steps until searching the topics according to the recognition results of the text information of all the lines of the topics.
In the second embodiment of the invention, because the camera is started when the question searching application is started, and the text information corresponding to the picture is directly identified without uploading by the user after the picture of the question including the test question is obtained, the user operation is reduced, and the good experience of the user is improved.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. A method for searching for test questions, the method comprising:
after receiving a starting instruction of a search question application, starting the search question application and a camera;
acquiring a picture of a question including a test question, and identifying text information corresponding to a line where a screen cursor projects on the question of the test question in the picture;
judging whether the text information corresponding to the line of the projection of the cursor of the screen on the question is the text information of the first line of the question or not so as to search the question according to the identification result of the text information when the text information corresponding to the line of the projection of the cursor of the screen on the question is the text information of the first line of the question;
when the text information corresponding to the line of the projection of the cursor of the screen on the question is not the text information of the first line of the question, the camera actively adjusts a view finding range to adjust the projection range of the cursor of the screen on the question, so that the text information corresponding to the line of the projection of the cursor of the screen on the question in the obtained picture is the text information of the first line of the question, or a prompt is sent out, so that a user can adjust the projection range of the cursor of the screen on the question according to the sent prompt;
comparing the recognition result of the text information with the information of the cloud question bank to search questions;
when the number of searched topics is 1, acquiring and displaying information corresponding to the topics;
when the number of the searched topics is not 1, acquiring the text information of the Nth line of the topics, and searching the topics according to the recognition results of the text information of the first to Nth lines of the topics, wherein N is an integer and is greater than or equal to 2; when the number of searched topics is 1, acquiring and displaying information corresponding to the topics; and when the number of searched topics is not 1, acquiring text information of the (N +1) th line of the topics, searching the topics according to the recognition results of the text information of the first to (N +1) th lines of the topics, and repeating the steps until searching the topics according to the recognition results of the text information of all the lines of the topics.
2. The method according to claim 1, wherein the determining whether the text information corresponding to the line on which the screen cursor is projected on the question of the question is the text information of the first line of the question specifically includes:
judging whether the head end or the tail end of the text information corresponding to the line where the cursor of the screen is projected on the question of the test question is a number or not;
when the head end or the tail end of the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is a number, judging that the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is the text information of the first line of the subject, otherwise, judging that the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is not the text information of the first line of the subject;
alternatively, the first and second electrodes may be,
judging whether the interval between the text information corresponding to the line where the screen cursor projects on the question of the test question and the text information of the previous line is larger than a preset threshold value between the lines;
and when the interval between the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question and the text information in the previous line is larger than a preset threshold value between the lines, judging that the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is the text information in the first line of the subject, otherwise, judging that the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is not the text information in the first line of the subject.
3. An apparatus for searching for test questions, the apparatus comprising:
the camera starting unit is used for starting the search question application and the camera after receiving a search question application starting instruction;
the text information identification unit is used for acquiring a picture including the question of the test question and identifying text information corresponding to the line where the screen cursor projects on the question of the test question in the picture;
the first line judgment module is used for judging whether the text information corresponding to the line of the projection of the cursor of the screen on the question is the text information of the first line of the question or not so as to search the question according to the identification result of the text information when the text information corresponding to the line of the projection of the cursor of the screen on the question is the text information of the first line of the question;
the view range adjusting module is used for enabling the camera to actively adjust the view range to adjust the projection range of the cursor of the screen in the test question when the text information corresponding to the line of the projection of the cursor of the screen on the question is not the text information of the first line of the question, so that the text information corresponding to the line of the projection of the cursor of the screen on the question in the obtained picture is the text information of the first line of the question, or sending a prompt to enable a user to adjust the projection range of the cursor of the screen on the test question according to the sent prompt;
the question searching unit is used for comparing the recognition result of the text information with the information of the cloud question bank so as to search questions;
the information display unit is used for acquiring and displaying information corresponding to the titles when the number of searched titles is 1;
a supplementary information obtaining unit, configured to obtain text information of an nth line of titles when the number of searched titles is not 1, and perform title search according to recognition results of the text information of the first to nth lines of titles, where N is an integer and is greater than or equal to 2;
the supplementary information searching unit is used for acquiring and displaying information corresponding to the titles when the number of searched titles is 1; and when the number of searched topics is not 1, acquiring text information of the (N +1) th line of the topics, searching the topics according to the recognition results of the text information of the first to (N +1) th lines of the topics, and repeating the steps until searching the topics according to the recognition results of the text information of all the lines of the topics.
4. The apparatus of claim 3, wherein the top line determining module comprises:
the digital judgment module is used for judging whether the head end or the tail end of the text information corresponding to the line where the cursor of the screen is projected on the question of the test question is a number;
the first head line text information judging module is used for judging that the text information corresponding to the line of the projection of the cursor of the screen on the question is the text information of the first line of the question when the head end or the tail end of the text information corresponding to the line of the projection of the cursor of the screen on the question is a number, or else, judging that the text information corresponding to the line of the projection of the cursor of the screen on the question is not the text information of the first line of the question;
alternatively, the first and second electrodes may be,
the inter-line interval comparison module is used for judging whether the interval between the text information corresponding to the line where the cursor of the screen is projected on the question of the test question and the text information of the previous line is larger than a preset inter-line threshold value or not;
and the second first line text information judging module is used for judging that the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is the text information of the first line of the subject when the interval between the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question and the text information of the previous line is greater than a preset threshold value between the lines, and otherwise, judging that the text information corresponding to the line of the projection of the cursor of the screen on the subject of the test question is not the text information of the first line of the subject.
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