A device and method for collecting after-class assignments

Abstract

The present invention discloses a device and method for collecting after-class homework. The device includes a touch screen, a lighting module, a bracket, a base, a main control unit, and a camera. The upper and lower ends of the bracket are respectively connected to the lighting module and the base. The camera is disposed at the bottom of the lighting module. The main control unit is electrically connected to the camera, the lighting module, and the touch screen respectively. The shooting range of the camera can cover the entire top surface of the base. An after-class homework collection system runs in the main control unit, and the after-class homework collection system includes an identification module and a data storage module. While allowing users to do homework in a paper-and-pencil manner, the present invention can automatically obtain the answer result data of users on paper exercise books, so that teachers can perform intelligent marking on students' homework.

Description

Technical Field

[0001] The present invention relates to the technical field of learning devices, and particularly to a device and method for collecting after-class homework. Background Art

[0002] Currently, in many cases, the homework assigned by teachers is in the form of finished teaching assistant exercise books, and students answer questions on these exercise books with pens and papers. This is a traditional pen-and-paper answering mode, which is beneficial to protecting eyesight but not conducive to intelligent marking by teachers. There are also some assignments that are arranged through an APP for students to answer on a tablet computer or mobile phone. This mode is convenient for teachers to mark, but does not conform to the habits of students using pens and papers. Summary of the Invention

[0003] Aiming at the deficiencies of the prior art, the present invention aims to provide a device and method for collecting after-class homework.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] A device for collecting after-class homework includes a touch screen, a lighting module, a bracket, a base, a main controller, and a camera; the upper and lower ends of the bracket are respectively connected to the lighting module and the base, the camera is arranged at the bottom of the lighting module, the main controller is electrically connected to the camera, the lighting module, and the touch screen respectively, and the shooting range of the camera can cover the entire top surface of the base; a after-class homework collection system runs in the main controller, and the after-class homework collection system includes an identification module and a data storage module;

[0006] The data storage module is used to store template data of one or more after-class homework, and the template data includes the name of the after-class homework, standard picture data containing only page numbers, as well as the page number corresponding to each page, the regional coordinate data of each question on this page, and the high-definition original picture of this page; when the data storage module stores multiple after-class homework, after the user triggers an after-class homework collection event, the user can input or select the name of the target after-class homework through the touch screen;

[0007] The recognition module is used to obtain the page image data of the after-class homework placed by the user on the base through a camera, match the page image data with the standard picture data containing only page numbers stored in the data storage module, match the position of the page number in the page image data and recognize the page number, so as to obtain the regional coordinate data of each question on this page; it is used to detect whether the user's hand or pen tip is located in the area of the current page, and when the user's hand or pen tip leaves the area of the current page for more than a preset time threshold, it is determined that the user has finished answering, collect the current page image data through the camera, and use the regional coordinate data of each question on this page obtained previously to segment the image data of each question area from the collected current page image data, and then save the segmented image data of each question area as the after-class homework collection data of this page in the data storage module.

[0008] Further, when the recognition module recognizes that the user's hand or pen tip is located in the area of the current page, it first judges whether there is corresponding image data in the after-class homework collection data in the data storage module for the question area where the user's hand or pen tip is currently located. If so, that is, the student repeats the answer, and at this time, the user is prompted.

[0009] Furthermore, after the user gets the prompt, they can still continue to answer questions in this question area. When the recognition module judges that the user has stayed in this question area for a preset time threshold one, it means that the user has the behavior of continuing to answer questions in this question area. At this time, when the recognition module judges again that the user's hand or pen tip leaves the area of the current page for more than the preset time threshold, it uses the camera to obtain the page image data of the current page again, and segments the question area where the behavior of continuing to answer questions has occurred again and saves it in the after-class homework collection data of this page.

[0010] Further, the after-class homework collection system further includes a synchronization module, and the synchronization module is used to synthesize the after-class homework collection data corresponding to each page and the corresponding high-definition original image into a data packet and upload it to the cloud server for teachers to view and approve.

[0011] Further, the after-class homework collection system further includes a viewing module, and the viewing module is used to, when the user triggers an event of viewing the after-class homework collection data, retrieve the after-class homework collection data of the corresponding page from the data storage module, render the answer data of each question on the high-definition original image of the corresponding page according to the regional coordinate data of each question on this page, and display it on the touch screen.

[0012] Further, a learning tablet is inlaid on the top surface of the base, a top cover is provided on the base, one side of the top cover is rotatably connected to one side of the base, and the top cover can be flipped to cover or leave the top surface of the base.

[0013] Further, the touch screen and the main control are integrated into the learning tablet.

[0014] The present invention also provides a method using the above system, and the specific process is as follows:

[0015] The user first triggers the after-class homework collection event using the touch screen. At this time, the main control starts the camera and the lighting module. After the user opens the after-class homework to the page where questions are to be answered and places it on the base;

[0016] The recognition module obtains the page image data of the after-class homework placed by the user on the base through the camera, matches the page image data with the standard picture data containing only page numbers stored in the data storage module, matches the position of the page number in the page image data and recognizes the page number, so as to obtain the regional coordinate data of each question on this page;

[0017] When the user is doing homework, the hand or the pen tip will be located on the area of the current page. Therefore, the recognition module continuously detects whether the user's hand or pen tip is located on the area of the current page; when the recognition module recognizes that the user's hand or pen tip leaves the area of the current page for more than a preset time threshold, it is determined that the user has finished answering. At this time, the recognition module collects the current page image data through the camera, and uses the previously obtained regional coordinate data of each question on this page to segment the image data of each question area from the collected current page image data, and then saves the segmented image data of each question area as the after-class homework collection data of this page in the data storage module.

[0018] The beneficial effects of the present invention are as follows: While allowing users to do homework in a pen-and-paper manner, the present invention can automatically obtain the answer result data of users on paper exercise books, so as to allow teachers to perform intelligent marking on students' homework. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of the device in Embodiment 1 of the present invention (the top cover is not opened);

[0020] Figure 2 It is a schematic structural diagram of the device in Embodiment 1 of the present invention (the top cover is opened). DETAILED DESCRIPTION OF THE INVENTION

[0021] The following will further describe the present invention with reference to the drawings. It should be noted that this embodiment is based on the technical solution of the present application, and detailed implementation manners and specific operation processes are given, but the protection scope of the present invention is not limited to this embodiment.

[0022] Embodiment 1

[0023] This embodiment provides a device for collecting after-class homework, as follows Figure 1-2 shown, which includes a touch screen, a lighting module 1, a bracket 2, a base 3, a main controller, and a camera 4; the upper and lower ends of the bracket are respectively connected to the lighting module and the base, the camera is arranged at the bottom of the lighting module, the main controller is electrically connected to the camera, the lighting module, and the touch screen respectively, and the shooting range of the camera can cover the entire top surface of the base; a after-class homework collection system runs in the main controller, and the after-class homework collection system includes an identification module and a data storage module;

[0024] The data storage module is used to store the template data of one or more after-class homework, and the template data includes the name of the after-class homework, the standard picture data containing only page numbers, as well as the page number corresponding to each page, the regional coordinate data of each question on this page, and the high-definition original picture of this page; when the data storage module stores multiple after-class homework, after the user triggers the after-class homework collection event, the user can input or select the name of the target after-class homework through the touch screen;

[0025] The identification module is used to obtain the page image data of the after-class homework placed by the user on the base through the camera, match the page image data with the standard picture data containing only page numbers stored in the data storage module, match the position of the page number in the page image data and identify the page number, so as to obtain the regional coordinate data of each question on this page; it is used to detect whether the user's hand or pen tip is located in the area of the current page, and when the user's hand or pen tip leaves the area of the current page for more than a preset time threshold, it is determined that the user has finished answering, collect the current page image data through the camera, and use the previously obtained regional coordinate data of each question on this page to segment the image data of each question area from the collected current page image data, and then save the segmented image data of each question area as the after-class homework collection data of this page in the data storage module.

[0026] Furthermore, when the identification module recognizes that the user's hand or pen tip is located in the area of the current page, it first judges whether there is corresponding image data in the after-class homework collection data of the data storage module in the question area where the user's hand or pen tip is currently located. If so, that is, the student repeats answering questions, and at this time, a prompt is given to the user. This can judge whether the user repeats doing questions when the user leaves and comes back to start doing homework again.

[0027] Furthermore, in this embodiment, after receiving the prompt, the user can still continue to answer questions in the question area. When the recognition module determines that the user has stayed in the question area for a preset time threshold one, it indicates that the user has the behavior of continuing to answer questions in this question area. At this time, when the recognition module determines again that the user's hand or pen tip has left the area of the current page for more than the preset time threshold, the camera is used again to obtain the page image data of the current page, and the question area where the behavior of continuing to answer questions has occurred is segmented again and saved in the after-class homework collection data of this page.

[0028] Further, in this embodiment, the after-class homework collection system further includes a synchronization module, and the synchronization module is used to synthesize the after-class homework collection data corresponding to each page and the corresponding high-definition original image into a data packet and upload it to the cloud server for teachers to view and mark.

[0029] Further, in this embodiment, the after-class homework collection system further includes a viewing module. The viewing module is used to, when the user triggers an event of viewing the after-class homework collection data, retrieve the after-class homework collection data of the corresponding page from the data storage module, and render the answer data of each question on the high-definition original image of the corresponding page according to the area coordinate data of each question on this page, and display it on the touch screen. In this way, students can view the original questions and the corresponding answer situations of the original questions at the same time.

[0030] In this embodiment, a learning tablet 5 is inlaid on the top surface of the base 3, a top cover 6 is provided on the base 3, one side of the top cover 6 is rotatably connected to one side of the base 3, and the top cover 6 can be flipped to cover or leave the top surface of the base 3.

[0031] In this embodiment, the touch screen and the main control are integrated in the learning tablet. In this way, operations such as touch, input, and display by the user are all realized through the learning tablet.

[0032] It should be noted that when the top cover is closed on the top surface of the base, students can do their homework on the top surface of the top cover. After the top cover is opened, the entire learning tablet can be exposed. At this time, students can use the learning tablet. The learning tablet can further be a tablet computer using an e-ink screen or a reflective screen and supporting a stylus.

[0033] Embodiment 2

[0034] This embodiment provides a method using the system described in the above Embodiment 1, and the specific process is as follows:

[0035] The user first triggers the after-class homework collection event by using the touch screen. At this time, the main control starts the camera and the lighting module. After the user opens the after-class homework to the page where questions are to be answered and places it on the base;

[0036] The recognition module obtains the page image data of the homework placed by the user on the base through the camera, matches the page image data with the standard picture data containing only page numbers stored in the data storage module, matches the position of the page number in the page image data and recognizes the page number, so as to obtain the regional coordinate data of each question on this page;

[0037] When the user is doing homework, the hand or the pen tip will be located on the area of the current page. Therefore, the recognition module continuously detects whether the user's hand or pen tip is located on the area of the current page; when the recognition module recognizes that the user's hand or pen tip has left the area of the current page for more than a preset time threshold, it is determined that the user has finished answering. At this time, the recognition module collects the current page image data through the camera, and uses the previously obtained regional coordinate data of each question on this page to segment the image data of each question area from the collected current page image data, and then saves the image data of each question area obtained by segmentation as the homework collection data of this page in the data storage module.

[0038] For those skilled in the art, various corresponding changes and deformations can be given according to the above technical solutions and concepts, and all these changes and deformations should be included in the protection scope of the claims of the present invention.

Claims

1. A device for collecting after-school homework, characterized in that, it includes a touch screen, a lighting module, a bracket, a base, a main control unit, and a camera; the upper and lower ends of the bracket are respectively connected to the lighting module and the base, the camera is arranged at the bottom of the lighting module, the main control unit is electrically connected to the camera, the lighting module and the touch screen respectively, and the shooting range of the camera can cover the entire top surface of the base; a after-school homework collection system runs in the main control unit, and the after-school homework collection system includes an identification module and a data storage module; the data storage module is used to store the template data of one or more after-school homework, and the template data includes the name of the after-school homework, standard picture data containing only page numbers, as well as the page numbers corresponding to each page, the regional coordinate data of each question on this page, and the high-definition original picture of this page; when the data storage module stores multiple after-school homework, after the user triggers the after-school homework collection event, the user can input or select the name of the target after-school homework through the touch screen; the identification module is used to obtain the page image data of the after-school homework placed by the user on the base through the camera, match the page image data with the standard picture data containing only page numbers stored in the data storage module, match the position of the page number in the page image data and identify the page number, so as to obtain the regional coordinate data of each question on this page; it is used to detect whether the user's hand or pen tip is located in the area of the current page, and when the user's hand or pen tip leaves the area of the current page for more than a preset time threshold, it is determined that the user has completed answering, collect the current page image data through the camera, and use the previously obtained regional coordinate data of each question on this page to segment the image data of each question area from the collected current page image data, and then save the segmented image data of each question area as the after-school homework collection data of this page in the data storage module; when the identification module recognizes that the user's hand or pen tip is located in the area of the current page, it first judges whether there is corresponding image data in the after-school homework collection data of the data storage module in the question area where the user's hand or pen tip is currently located. If so, that is, the student repeats answering questions, and at this time, the user is prompted; after the user gets the prompt, the user can still continue to answer questions in this question area. When the identification module judges that the user stays in this question area for a preset time threshold one, it means that the user has the behavior of continuing to answer questions in this question area. At this time, when the identification module judges again that the user's hand or pen tip leaves the area of the current page for more than the preset time threshold, the page image data of the current page is obtained again by the camera, and the question area where the behavior of continuing to answer questions occurs is segmented again and saved in the after-school homework collection data of this page.

2. The device according to claim 1, characterized in that, the after-school homework collection system further includes a synchronization module, and the synchronization module is used to synthesize the after-school homework collection data corresponding to each page and the corresponding high-definition original picture into a data packet and upload it to the cloud server for teachers to view and review.

3. The device according to claim 1, wherein, the after-class homework collection system further includes a consultation module, which is configured to, when a user triggers an event of consulting the after-class homework collection data, retrieve the after-class homework collection data of the corresponding page from the data storage module, render the answer data of each question on the high-definition original image of the corresponding page according to the regional coordinate data of each question on the page, and display it on the touch screen.

4. The device according to claim 1, wherein, a learning tablet is inlaid on the top surface of the base, a top cover is provided on the base, one side of the top cover is rotatably connected to one side of the base, and the top cover can be flipped to cover or leave the top surface of the base.

5. The device according to claim 4, wherein, the touch screen and the main control are integrated in the learning tablet.

6. A method using the device according to any one of claims 1-5 above, wherein, the specific process is as follows: The user first triggers an after-class homework collection event using the touch screen. At this time, the main control activates the camera and the lighting module. After the user opens the after-class homework to the page where they want to do the questions and places it on the base; The recognition module obtains the page image data of the after-class homework placed on the base by the camera, matches the page image data with the standard picture data containing only page numbers stored in the data storage module, matches the position of the page number in the page image data and identifies the page number, so as to obtain the regional coordinate data of each question on the page; When the user is doing homework, the hand or pen tip will be located on the area of the current page. Therefore, the recognition module continuously detects whether the user's hand or pen tip is located on the area of the current page; when the recognition module recognizes that the user's hand or pen tip leaves the area of the current page for more than a preset time threshold, it is determined that the user has finished answering. At this time, the recognition module collects the current page image data through the camera, and uses the previously obtained regional coordinate data of each question on the page to segment the image data of each question area from the collected current page image data, and then saves the segmented image data of each question area as the after-class homework collection data of the page in the data storage module.

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