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Question answering method of camera clicker, camera method, camera clicker and system

A clicker and subjective question technology, applied in the field of teaching, can solve problems such as the inability to ensure the quality of fixed-focus camera image acquisition, and achieve the effect of clear photos

Active Publication Date: 2022-02-08
长沙中天电子设计开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a question answering method of a camera clicker, a camera method, a camera clicker and a system, aiming at solving the above-mentioned problem that the image acquisition quality of a fixed-focus camera cannot be ensured

Method used

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  • Question answering method of camera clicker, camera method, camera clicker and system
  • Question answering method of camera clicker, camera method, camera clicker and system
  • Question answering method of camera clicker, camera method, camera clicker and system

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Experimental program
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Embodiment 1

[0060] Such as figure 1 as shown, figure 1 It shows the question answering method of the photo-taking clicker provided by an embodiment of the present invention. The execution subject of the method in this embodiment may be a photo-taking structure. Specifically, the question-answering method in this embodiment may include the following steps:

[0061] S1: After receiving a photo-taking request triggered by the user for taking pictures of subjective questions, the photo-taking clicker generates a photo-taking frame according to a preset paper size.

[0062] For example, the above step S1 may specifically include:

[0063] The photo-taking clicker receives a photo-taking request triggered by the user for taking a photo of the subjective question.

[0064] Show at least one paper size to choose from.

[0065] After receiving the user's selection instruction, a photo frame is generated according to the paper size corresponding to the selection instruction as a preset paper siz...

Embodiment 2

[0088] Such as figure 1 with figure 2 As shown, in step S1 in Embodiment 1, the photographing frame includes a first frame 10 and a second frame 11, and the first frame 10 and the second frame 11 are two closed frames whose geometric centers coincide, have the same shape and are different in size . And in step S3 , the area information of the photographing frame is the area between the first frame 10 and the second frame 11 .

[0089] In this embodiment, the first frame 10 and the second frame 11 are set, and when the border 20 of the image of the paper to be photographed is between the first frame 10 and the second frame 11, the image quality check is performed to obtain the image calibration. Kernel value F(s,a). By adjusting the clicker, the user will make the boundary 20 of the image be located in the area information of the frame of the photo, so that the quality of the image captured by the clicker can be guaranteed, and the user only needs to fine-tune the position ...

Embodiment 3

[0091] On the other hand, the present invention also provides a method for taking pictures, including:

[0092] P1: After receiving a photo request triggered by the user for taking pictures of the paper to be photographed, generate a photo frame according to preset photo conditions. Wherein, the preset photographing condition refers to a preset paper size, and the preset paper size corresponds to the size of the paper to be photographed.

[0093] P2: According to the image of the paper to be photographed displayed in the photographing frame, identify the boundary 20 of the image.

[0094] P3: According to the border 20 and the photographing frame, determine whether the border 20 is completely within the area information of the photographing frame.

[0095] P4: When the boundary 20 is completely within the area information of the photographing frame, the image check value F(s, a) is obtained according to the boundary 20, the image within the boundary 20, and the photographing ...

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PUM

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Abstract

The present invention relates to a question answering method of a photographing clicker, a photographing method, a photographing questioner and a system. The question answering method includes: S1: After the photographing clicker receives a photographing request triggered by a user for photographing a subjective question, it performs Generate a photo frame; S2: Identify the border of the image according to the image of the paper to be photographed displayed in the photo frame; S3: Determine whether the border is within the area information of the photo frame according to the border and the photo frame; S4: When the border is located in the photo frame When it is within the area information of the boundary, the image calibration value F(s, a) is obtained according to the boundary, the image within the boundary, and the photographing frame; the image calibration value F(s, a) is related to the number of pixels of the image within the boundary, Angle correlation between adjacent sides; S5: According to the image check value F(s, a), it is judged whether the shooting condition is satisfied, and when the shooting condition is satisfied, the sign of "can be shot" is displayed. After meeting the shooting conditions, the photos taken are clear, which ensures that the quality of the collected images can meet the requirements.

Description

technical field [0001] The invention relates to the field of teaching, in particular to a question answering method of a photographic answering machine, a photographing method, a photographic questioning machine and a system. Background technique [0002] In the classroom teaching process, the functions of the clicker tend to be more diverse. As a convenient terminal product, the clicker can not only effectively mobilize students' learning enthusiasm, but also help teachers keep abreast of students' mastery of knowledge points , to clear the blind spots in teaching, is to realize the information-based classroom interaction between teachers and students in the true sense, but the current clicker is only for objective questions such as selection and judgment, which can be convenient for answering and reviewing, but for quizzes or fill-in-the-blanks, etc. Subjective questions can only be manually collected paper test papers and manually reviewed test papers. In order to realiz...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/232G06T7/13
CPCG06T7/13H04N23/67H04N23/61
Inventor 陈波胡政
Owner 长沙中天电子设计开发有限公司