CN108091186B - Teaching method and teaching system - Google Patents
Teaching method and teaching system Download PDFInfo
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- CN108091186B CN108091186B CN201711294962.2A CN201711294962A CN108091186B CN 108091186 B CN108091186 B CN 108091186B CN 201711294962 A CN201711294962 A CN 201711294962A CN 108091186 B CN108091186 B CN 108091186B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
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Abstract
The invention discloses a teaching method and a teaching system, wherein a display device provides a teaching material picture, and an image capturing unit of a teaching device captures an image picture. Then, an operation unit is used to determine whether the image frame contains a complete teaching material frame. And when the judgment is yes, calculating a relative position parameter of the teaching device and the display equipment according to the image picture. Then, an indication unit of the teaching device is moved according to the relative position parameters so that the indication unit is approximately directed to the teaching material picture. The invention can be used for a learner to jump out of a flat two-dimensional learning environment, and provides a more lively and interesting teaching process by interacting with the teaching material picture, so that the learning interest of the learner can be improved, and the learning efficiency is further improved.
Description
Technical Field
The present invention relates to a teaching method and a teaching system, and more particularly, to a teaching method and a teaching system with high interactivity.
Background
In schools, a general traditional teaching mode is that a teacher stands in front of a classroom, and unidirectional knowledge teaching is performed on students by using pictures projected by a blackboard or a projector. This way of knowledge teaching, in addition to limiting the time and place of learning, more often gives students a boring feel. Therefore, the learning efficiency of students can be reduced, and the learning interest of the students is greatly reduced.
However, with the development of technology in recent years, the manner of knowledge teaching is breaking through the limitation of time and space, and is moving toward a more flexible direction. For example, by the popularization of the network and the portable electronic device, the learning space is released from the traditional classroom, and the learning time is not limited by the school-type curriculum schedule. The teaching tools which can be used by teachers are gradually changed into electronic devices such as multimedia displays, tablet computers and the like which combine digital contents from traditional blackboards, whiteboards and textbooks.
In the teaching field, with the sudden advance of digital content in quality, the content of the teaching material is more interactive and more real-time and rich. However, although the form of teaching materials is changed from traditional printed paper to multi-character digital multimedia content, the learning pipeline of students still does not fall off from a flat two-dimensional learning environment constructed by electronic devices such as a planar multimedia display, a tablet computer and the like. Students learn using such a flat and two-dimensional learning environment, and fatigue and boring learning undertide still occur over time. For the interest of students, especially for teenagers with more difficult concentration, how to promote the active diversity of teaching so as to continuously and effectively arouse the learning interest of the students is an important subject for the industry to continuously and effectively develop.
Disclosure of Invention
In order to solve the above problems, the teaching method and the teaching system of the present invention use the teaching device to capture the image frame containing the teaching material frame, and further judge the relative position of the teaching device and the display device, so that the indication unit of the teaching device can point to the teaching material frame. For learners, the teaching device jumps to the flat two-dimensional learning environment provided by the display equipment, and through interaction with the teaching material picture, a more lively and interesting teaching process is provided, so that the learning interest of the learners can be improved, and the learning efficiency is further improved.
In order to achieve one or a part or all of the above objects or other objects, an embodiment of the present invention provides a teaching system, which includes a display device, a teaching apparatus, and an operation unit. The display device is used for providing a teaching material picture. The teaching device comprises an image capturing unit and an indicating unit. The image capturing unit is used for capturing an image picture, and the indicating unit is movably arranged on the teaching device. The operation unit is used for receiving the image picture and judging whether the image picture contains a complete teaching material picture. The operation unit is used for calculating a relative position parameter of the teaching device and the display device according to the image picture when the judgment is yes. The indication unit moves according to the relative position parameters to be used for virtually pointing to the teaching material picture.
Further, the display device provides the teaching material picture according to the teaching progress of a teaching program, wherein the teaching material picture has a plurality of target areas, and the operation unit is further configured to calculate the relative position parameter according to the teaching progress, where the relative position parameter is used to make the indication unit substantially point to one of the target areas.
In order to achieve one or a part or all of the above objects or other objects, an embodiment of the present invention further provides a teaching method, which includes the following steps. Firstly, a display device provides a teaching material picture, and an image capturing unit of a teaching device captures an image picture. Then, it is determined whether the image frame contains a complete teaching material frame. And if so, calculating relative position parameters of the teaching device and the display equipment according to the image picture. Then, according to the relative position parameter, an indication unit of the teaching device is moved so that the indication unit is substantially directed to the teaching material picture.
Further, the teaching method further comprises executing a teaching program, wherein the display device provides the teaching material picture according to the teaching progress of the teaching program.
Further, the teaching material picture has a plurality of target areas, and in the calculating step, the relative position parameter is calculated according to the teaching progress, wherein the indication unit is used for pointing to one of the target areas substantially.
Further, the teaching method further comprises the step of playing a teaching instruction by the teaching device according to the teaching progress.
Further, the teaching material picture includes a plurality of alignment marks, and in the calculating step, the relative position parameter is calculated according to the alignment marks.
Further, the teaching method further includes moving the image capturing unit and re-executing the capturing step when the teaching method is judged as no.
Further, the teaching method further includes moving the image capturing unit and re-executing the capturing step when the teaching material frame in the image frame is displaced or deformed.
Furthermore, the teaching method further comprises the step of re-executing the calculation step when the teaching material picture in the image picture is displaced or deformed.
According to another aspect of the present invention, a teaching system is provided, which includes a display device, a teaching apparatus, and an operation unit. The display device is used for providing a teaching material picture. The teaching device comprises an image capturing unit and an indicating unit. The image capturing unit is used for capturing an image picture, and the indicating unit is movably arranged on the teaching device. The operation unit is used for receiving the image frame and judging whether the image frame contains a complete teaching material frame. The operation unit is used for calculating a relative position parameter of the teaching device and the display device according to the image picture when the judgment is yes. The indication unit moves according to the relative position parameters to be used for virtually pointing to the teaching material picture.
Furthermore, the display device provides a teaching material picture according to a teaching progress of a teaching program, wherein the teaching material picture is provided with a plurality of target areas. The operation unit is further used for calculating relative position parameters according to the teaching progress. The relative position parameter is used for enabling the indication unit to substantially point to one of the target areas.
The teaching method and the teaching system provided by the invention have the advantages that the display equipment provides the teaching material picture, the teaching device is utilized to capture the image picture containing the teaching material picture, and the relative position parameters of the teaching device and the display equipment are calculated and obtained according to the image picture. The teaching device moves the indicating unit according to the relative position parameters, so that the indicating unit can point to the teaching material picture. The learner not only can learn by the teaching material picture, but also can assist the teaching device to learn. Through the interaction between the teaching device and the teaching material picture, the teaching content is improved from a planar teaching material picture to a multi-directional learning mode. Therefore, a more lively and interesting teaching process can be provided, the learning interest of a learner can be improved, and the learning efficiency can be further improved.
Drawings
The following description of the drawings is provided to make the above and other features, advantages and embodiments of the present invention more comprehensible.
Fig. 1 is a schematic diagram of a teaching system according to an embodiment of the present invention.
Fig. 2 is a method flow diagram of a teaching method in accordance with an embodiment of the present invention.
FIG. 3 is a schematic diagram of an image captured by the image capturing unit.
FIG. 4 is a schematic diagram of another image captured by the image capturing unit.
Fig. 5 is a schematic view of the educational material picture of fig. 1 divided into a plurality of target areas.
The names of the components in the figure are as follows:
100: teaching system
110: display apparatus
111: alignment mark
120: teaching device
121: image capturing unit
123: indication unit
123': indication unit
124: display unit
125: broadcasting unit
130: arithmetic unit
I: teaching material picture
P: image picture
P': image picture
S1-S6: step (a)
T1: first target area
T2: second target area
T3: and a third target area.
Detailed Description
The teaching method and the teaching system of the invention utilize the teaching device to capture the image picture containing the picture of the teaching material, and calculate the relative position parameter of the teaching device and the display equipment according to the picture of the teaching material, so that the indication unit of the teaching device can point to the picture of the teaching material to interact with the content of the teaching material. For learners, through collocation and interaction of the teaching device and the teaching material picture, a more lively and interesting teaching process can be provided.
Referring to fig. 1, a schematic diagram of a teaching system according to an embodiment of the invention is shown. The teaching system 100 includes a display device 110, a teaching apparatus 120, and an operation unit 130. The display device 110 is used for providing a teaching material picture I. The teaching device 120 includes an image capturing unit 121 and an indicating unit 123. The image capturing unit 121 is configured to capture an image (not shown in fig. 1), and the indication unit 123 is movably disposed on the teaching device 120. The operation unit 130 is configured to receive the image frame and determine whether the image frame includes a complete teaching material frame I. The computing unit 130 is configured to calculate a relative position parameter of the teaching device 120 and the display device 110 according to the image frame when the determination is yes. The indication unit 123 moves according to the relative position parameter to substantially point to the teaching material frame I.
In the present embodiment, the operation unit 130 of the teaching system 100 is a separate device independent of the display device 110 and the teaching device 120. The display device 110 is, for example, a flat panel display, and is communicatively connected to the computing unit 130. The teaching device 120 is, for example, a robot-type electronic device, the image capturing unit 121 is, for example, disposed on the head of the robot, and the indicating unit 123 is, for example, an arm of the robot and is movably disposed on the teaching device 120. The teaching device 120 is also communicatively connected to the computing unit 130, as shown in fig. 1. However, in various embodiments, the computing unit 130 may be disposed on the teaching device 120 or the display device 110, so as to be integrated with the teaching device 120 or the display device 110 into a complete electronic device. The position of the computing unit 130 is not limited, and any computing unit 130 is capable of receiving an image screen, judging the screen, calculating relative position parameters, and the like, and falls within the scope of the present invention.
The teaching system 100 according to an embodiment of the invention is described below with reference to the teaching method according to an embodiment of the invention. Referring to fig. 2, a method flow chart of a teaching method according to an embodiment of the invention is shown.
The teaching method of the present embodiment first proceeds to step S1, and a teaching material picture I is provided by the display device 110. In this embodiment, the teaching material picture I is displayed by the display device 110, which is, for example, a flat panel display. In a different embodiment, the display device 110 may also be, for example, a projector, and the teaching material frame I is provided by projecting the teaching material frame I onto the projection screen.
Next, the teaching method of the present embodiment executes step S2, and the image capturing unit 121 of the teaching device 120 captures the image P. Please refer to fig. 3, which is a schematic diagram of an image captured by the image capturing unit. The image capturing unit 121 is, for example, a small camera module, such as an optical coupling device or a cmos device, which can be used in a handheld electronic device, and the present invention is not limited thereto. As shown in fig. 3, the image frame P completely includes the teaching material frame I provided by the display device 110. However, the image frame P does not necessarily include the teaching material frame I completely, and in such a case, the image frame P may include the teaching material frame I completely by moving the image capturing unit 121, which will be described in detail later.
After step S2, the teaching method of the present embodiment then executes step S3 to determine whether the image frame P includes the complete teaching material frame I. In this embodiment, after the image capturing unit 121 captures the image P, the teaching device 120 transmits the image P to the computing unit 130, and the computing unit 130 performs the determination in step S3. In practical applications, specific judgment features may be designed on the teaching material picture I, so that the computing unit 130 calculates and judges.
In one embodiment, the teaching material frame I may form a boundary contour line with a specific color at the boundary of the frame. When the complete and closed boundary contour line can be found in the image frame P, it is determined that the image frame P actually contains the complete teaching material frame I. Since the boundary contour of the teaching material frame I must be cut when the image frame P does not include the complete teaching material frame I, a complete and closed shape (e.g., rectangle) cannot be formed.
In another embodiment, the teaching material frame I may include a plurality of alignment marks 111, as shown in fig. 1 and 3. When a predetermined number of alignment marks 111 can be found in the image frame P, it is determined that the image frame P does include the complete teaching material frame I. For example, the computing unit 130 may determine that the image P actually includes the complete teaching material picture I when the four alignment marks 111 are found in the image P shown in fig. 3. Referring to fig. 4, a schematic diagram of another image captured by the image capturing unit is shown. In the image frame P' of fig. 4, only one alignment mark 111 is provided, which indicates that the image frame P does not include the complete teaching material frame I. Under such conditions, the computing unit 130 will not determine that the image frame P does include the complete teaching material frame I, and the determination formula of step S3 will not be established.
As shown in fig. 4, the image P' captured by the image capturing unit 121 does not include the complete teaching material image I, so the determination in step S3 is not satisfied, and the teaching method then proceeds to step S4. As shown in fig. 3, the image frame P captured by the image capturing unit 121 does include the complete teaching material frame I, so the computing unit 130 determines that the image frame P does include the complete teaching material frame I, the determination in step S3 is satisfied, and the teaching method then proceeds to step S5.
In step S4 of the teaching method of the present embodiment, the image capturing unit 121 is moved, and step S2 is re-executed. In this embodiment, when the determination is no, the operation unit 130 outputs a movement signal to the teaching device 120, and the teaching device 120 moves the image capturing unit 121 according to the movement signal to capture another image. The moving mode of the image capturing unit 121 may be performed according to a default algorithm. For example, each time it is determined that the image frame P' does not completely include the teaching material frame I, the image capturing unit 121 is moved by a predetermined angle. Other algorithms that can move the image capturing unit 121 so that the last captured image P can completely cover the teaching material picture I can be applied to the present invention.
In step S5 of the teaching method of the present embodiment, the relative position parameters of the teaching device 120 and the display apparatus 110 are calculated according to the image P. In this embodiment, the teaching material picture I provided by the display device 110 is exemplified by a rectangle. When the teaching device 120 is located right in front of the display apparatus 110, the image capturing unit 121 obtains an image P, and the teaching material frame I is substantially rectangular. When the teaching device 120 is not located right in front of the display apparatus 110, the teaching material picture I in the image picture P is deformed in perspective. Taking fig. 1 and 3 as an example, the teaching device 120 is located at the left front of the display apparatus 110. Although the teaching material picture I displayed by the display device 110 is rectangular (fig. 1), the teaching material picture I in the captured image picture P becomes trapezoidal (fig. 3) due to perspective deformation. The computing unit 130 may calculate the relative position parameter according to the degree of perspective deformation of the teaching material frame I in the image frame P.
In one embodiment, the teaching device 120 may store a normalized screen, and calculate the relative position parameter according to the normalized screen. For example, the standardized picture is an image picture P captured by the teaching device 120 at the position of the display device 110 directly in front of the display device 110 at 30 cm. Under the condition that the size of the display screen of the display device 110 is known and the distance between the teaching apparatus 120 and the display device 110 is known, the operation unit 130 can obtain the perspective deformation degree of the teaching material screen I in the image screen P by comparing the distribution state of the alignment marks 111 in the captured image screen P with the distribution state of the alignment marks in the standardized screen. The computing unit 130 may calculate information such as a distance between the teaching device 120 and the display device 110, a deflection angle, and the like, and further obtain the relative position parameter.
As shown in fig. 2, after the relative position parameter is calculated and obtained in step S5, the teaching method of the present embodiment proceeds to step S6. The indication unit 123 of the teaching device 120 is moved according to the relative position parameter, so that the indication unit 123 is substantially directed to the teaching material frame I. The teaching device 120 can use the indication unit 123 to put different gestures or gesture actions, and use the indication unit 123 to guide the learner's line of sight to the teaching material picture I when needed. In this way, the learner can watch back and forth between the teaching device 120 and the teaching material picture I according to the guidance, so as to learn in a more vivid and lively and interesting manner.
The teaching method of the present embodiment may further include a step of executing a teaching program before step S1. In practice, the teaching program may be executed by the computing unit 130, and the computing unit 130 provides data to the display device 110 and the teaching apparatus 120 according to a teaching progress. The display device 110 receives data from the operation unit 130 according to the teaching progress of the teaching program, so as to provide a teaching material picture I. The teaching device 120 receives the data from the operation unit 130 according to the teaching progress of the teaching program, so as to play a teaching instruction according to the teaching progress.
In various embodiments, the data of the teaching material picture I may be stored in the display device 110, and the data of the teaching instruction may be stored in the teaching apparatus 120. The operation unit 130 provides a time parameter to the display device 110 and the teaching apparatus 120 according to the teaching progress. The display device 110 provides a specific textbook screen I at a specific point in time according to the time parameter. The teaching device 120 plays the corresponding teaching instruction at a specific time according to the time parameter.
In practical applications, the teaching device 120 may include a display unit 124 and a broadcasting unit 125, as shown in fig. 1. The instruction includes a visual part and an auditory part. The display unit 124 is used for displaying the visual part of the instruction, and the broadcasting unit 125 is used for broadcasting the aural part of the instruction. Through the robot-type teaching device 120, the teaching is performed in an acousto-optic diversified manner, so that the learning device has affinity and liveliness, and the younger learner can be easily attracted by the teaching device, thereby greatly improving the learning interest. By executing the teaching program by the operation unit 130, the teaching device 120 and the display device 110 are mutually matched, so that an integral teaching demonstration can be performed, and the teaching effect is improved.
In another aspect, the teaching material picture I provided by the display device 110 may be further divided into a plurality of target areas. Referring to fig. 5, a schematic diagram of the teaching material frame of fig. 1 divided into a plurality of target areas is shown. The teaching material picture I is provided with a plurality of target areas, namely a first target area T1, a second target area T2 and a third target area T3 in sequence from left to right. The computing unit 130 is based on the image P, and calculates the relative position parameter according to the teaching progress of the teaching program. The teaching device 120 moves the indication unit 123 according to the relative position parameter, such that the indication unit 123 is substantially directed to one of the target areas T1 to T3.
For example, the computing unit 130 calculates the relative position parameters of the display device 110 and the teaching device 120 according to the image P, and then fine-adjusts the relative position parameters according to the teaching progress. When the teaching progress proceeds to the teaching instruction corresponding to the first target area T1, the indication unit 123 may be directed substantially to the first target area T1. Then, when the teaching progress proceeds to the teaching instruction corresponding to the second target area T2, the indication unit 123 may be directed to substantially the second target area T2. As shown in fig. 5, the indication unit 123 before moving points to the first target area T1, and the indication unit 123' after moving points to the second target area T2 after adjusting the relative position parameters according to the teaching progress. Then the third target area T3 is also the same.
The relative position parameters of the display device 110 and the teaching apparatus 120 are of considerable importance for indicating whether the unit 123 can be directed to the teaching material frame I correctly or even further to a certain target area T1, T2 or T3 in the teaching material frame I. Therefore, the teaching method of the present embodiment can further determine whether the position of the teaching material picture I in the image picture P changes at any time. When the teaching material frame I changes in position, the relative position between the display device 110 and the teaching device 120 may change (e.g. the user moves to the teaching device 120 carelessly), and the relative position parameters may need to be recalculated.
Therefore, the teaching method of the embodiment of the present invention further can repeatedly execute step S5 to obtain new relative position parameters when the teaching material frame I in the image frame P is displaced or deformed. In a different embodiment, when the displacement or deformation of the teaching material frame I is too large to cover the complete teaching material frame I, the image capturing unit 121 may be moved first, and then the step S5 is repeated. That is, the image capturing unit 121 is moved first, so that the captured image P covers the complete teaching material picture I again, and then the relative position parameters are calculated again. The moving image capturing unit 121 may be performed according to the same or different algorithm as the above algorithm, and the present invention is not limited thereto, depending on the actual requirements.
As shown in fig. 1, in the teaching method and the teaching system 100 according to the embodiment of the invention, the operation unit 130 is exemplified as a device independent from the display device 110 and the teaching device 120. The computing unit 130 may be, for example, computer software executed by a cpu and a memory in a notebook computer or a personal computer host. The computing unit 130 may also be software stored in a teaching server, and perform the functions of calculating the relative position parameters and judging the image P by the hardware computing capability of the teaching server. However, in various embodiments, the computing unit may be disposed in one of the display device 110 and the teaching device 120, which may simplify the system architecture and reduce the cost of requiring additional notebook computers or servers.
In the teaching method and the teaching system according to the embodiments of the present invention, the teaching system includes a display device, a teaching apparatus, and an operation unit. The display device is used for providing a teaching material picture. The teaching device comprises an image capturing unit and an indicating unit. The image capturing unit is used for capturing an image picture, and the indicating unit is movably arranged on the teaching device. The operation unit is used for receiving the captured image picture and judging whether the image picture contains a complete teaching material picture. And the operation unit calculates a relative position parameter of the teaching device and the display device according to the image picture when the judgment is yes. The indication unit moves according to the relative position parameters to substantially point to the teaching material picture. In this way, the teaching device can be used as another teaching pipeline which is jumped out of the display device, so that a learner can not only watch the pictures of the teaching materials in a rigid manner, but also improve the learning dimension and richness by means of the action of the teaching device and the acousto-optic teaching description. Therefore, a more lively and interesting teaching process can be provided, the learning interest of learners is further improved, and the learning efficiency is improved.
Although the present invention has been described in terms of the above embodiments, it is not limited thereto. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and that the scope of the invention is as defined by the claims.
Claims (6)
1. A teaching method, comprising:
providing a teaching material picture by a display device;
capturing an image by an image capturing unit of a teaching device;
judging whether the image picture contains the complete teaching material picture or not;
if yes, calculating relative position parameters of the teaching device and the display equipment according to the image picture; and
moving an indication unit of the teaching device according to the relative position parameter to enable the indication unit to be substantially directed at the teaching material picture;
the teaching method further comprises the step of executing a teaching program, wherein the display equipment provides the teaching material picture according to the teaching progress of the teaching program;
the teaching material picture is provided with a plurality of target areas, and in the calculating step, the relative position parameter is calculated according to the teaching progress, wherein the indicating unit is used for pointing to one of the target areas substantially;
the teaching method further comprises the step that the teaching device plays a teaching instruction according to the teaching progress;
the teaching material picture comprises a plurality of alignment marks, and in the calculating step, the relative position parameters are calculated according to the alignment marks.
2. The teaching method according to claim 1, characterized in that: the teaching method further comprises moving the image capturing unit and re-executing the capturing step when the teaching method is judged to be negative.
3. The teaching method according to claim 1, characterized in that: the teaching method further comprises moving the image capturing unit and re-executing the capturing step when the teaching material picture in the image picture is displaced or deformed.
4. The teaching method according to claim 1, characterized in that: the teaching method further comprises the step of re-executing the calculation step when the teaching material picture in the image picture is displaced or deformed.
5. A teaching system for implementing the teaching method of claim 1, comprising:
a display device for providing a teaching material picture;
a teaching device, comprising: an image capturing unit for capturing an image; the indicating unit is movably arranged on the teaching device;
and the operation unit is used for receiving the image picture and judging whether the image picture contains the complete teaching material picture, when the operation unit is used for judging that the image picture is yes, calculating the relative position parameter of the teaching device and the display equipment according to the image picture, and the indication unit moves according to the relative position parameter and is used for virtually pointing to the teaching material picture.
6. The teaching system of claim 5, wherein: the display device provides the teaching material picture according to the teaching progress of a teaching program, wherein the teaching material picture is provided with a plurality of target areas, the operation unit is further used for calculating the relative position parameter according to the teaching progress, and the relative position parameter is used for enabling the indication unit to be substantially directed to one of the target areas.
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| CN107274727A (en) * | 2017-07-25 | 2017-10-20 | 深圳市鹰硕技术有限公司 | A kind of data processing equipment for teleeducation system |
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