KR101408325B1 - Train simulator apparatus, method for providing train simulator and recording medium thereof - Google Patents
Train simulator apparatus, method for providing train simulator and recording medium thereof Download PDFInfo
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- KR101408325B1 KR101408325B1 KR1020130015882A KR20130015882A KR101408325B1 KR 101408325 B1 KR101408325 B1 KR 101408325B1 KR 1020130015882 A KR1020130015882 A KR 1020130015882A KR 20130015882 A KR20130015882 A KR 20130015882A KR 101408325 B1 KR101408325 B1 KR 101408325B1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
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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
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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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
- G09B9/00—Simulators for teaching or training purposes
- G09B9/02—Simulators for teaching or training purposes for teaching control of vehicles or other craft
- G09B9/04—Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of land vehicles
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Abstract
A train simulator device, a train simulator providing method and a recording medium thereof are disclosed. The train simulator apparatus includes a line image database unit for storing line image data including at least one frame image generated by recording a line image and reproduction speed reference information corresponding to each of the at least one frame image, A simulator control unit for determining a line image reproduction speed by comparing reproduction speed reference information corresponding to a frame image with a train running speed and outputting a line image reproduction signal corresponding to the line image reproduction speed and the line image data, And a display unit for displaying a line image corresponding to the line image data on the screen according to the line image reproduction signal received from the control unit.
Description
The present invention relates to a train simulator device, a train simulator providing method, and a recording medium thereof, which are used for train driving practice of an engineer. More particularly, the present invention relates to a train simulator, A train simulator device for determining a reproduction speed, a method for providing a train simulator, and a recording medium therefor.
2. Description of the Related Art Conventionally, two methods of displaying a line image used in a train simulator have been mainly used, namely, a Motion Joint Photographic Coding Experts Group (MJPEG) method and a 3D modeling method.
MJPEG is a technology that was mainly used before the 1990s. It takes pictures at a certain distance while traveling on a line section of a train at a constant speed, and when photographed picture data is used in a train simulator, And the speed is adjusted to reproduce on the driver's screen.
However, such a MJPEG method has a low screen resolution of about 640 x 480 pixels, which is disadvantageous in that the quality is low and the driver's feeling of immersion is small when projected on a large screen, and the amount of data to be processed is high And the need to get special hardware support. In addition, the MJPEG method has the problem that the image is disconnected when the driver's screen is slow to reproduce, for example, when the trains of the train simulator are slow (for example, when entering the station) due to the limitation of data stored at 30 frames per second There is a problem in that the time interval of the photographic data must be made constant through a lot of editing processes even after shooting because the train can not be driven at a constant speed when shooting the line section. For example, in the case of a train simulator manufactured by MARCONI Corporation, since the interval per frame is at least 35 cm, there is a problem that when the train of the train simulator travels at 35 cm / Frame or less, the image is disconnected.
The 3D modeling method has been widely used since the 2000s when the hardware performance of the computer CPU and the VGA rapidly developed and the 3D virtual reality production tool appeared. The 3D modeling method is a method of modeling the surroundings of the actual train- It is a method of projecting the reality onto the driver's screen after producing it. FIG. 1 shows a line image production process of a train simulator using the conventional 3D modeling method.
However, such a 3D modeling method also requires a lot of manpower and cost to make the real world around the track into a 3D virtual reality world because the user visually confirms the moving image data of the actual track and performs the 3D modeling work In particular, it is difficult to accurately express the size and position of surrounding backgrounds or line structures.
That is, a trainer using a train simulator learns the track of the training section and receives the acceleration / deceleration control train of the train with reference to milestones around the track, for example, a signal or a train number. The virtual line images of the present invention have been produced in a similar manner to the actual lines because of the above-described practical difficulties. Therefore, the accuracy of the 3D virtual reality images used in the train simulator is very different from the actual operating line environment, which is suitable for the basic operation skill training, but it is very insufficient for the actual operation training course for actual engineers. However, even though Korea has a driver license for the trains of the Ministry of Land, Transport and Maritime Affairs, the trainees of the Korea Railroad Corporation can obtain the license for the section of the railway line to be operated. The reason for this is that if the train driver's license is a license for basic train operation skills and crisis coping ability, then the track section license must know the train track information, the signal train and other peripheral information to operate and secure a safe train operation environment. It is because it guarantees that it can be.
Accordingly, there is a need for a train simulator capable of solving the problems of the conventional MJPEG method and the 3D modeling method as described above, while providing the same line image as the actual line section.
SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a train simulator device, a train simulator providing method, and a recording method thereof for determining a line image reproduction speed by comparing traveling speed information stored with a frame image, And a medium.
It is another object of the present invention to solve the above problem and to solve the problem that the image is cut off when the train of the train simulator runs at a low speed and to solve the constraint condition that the actual line section is operated at the constant speed and the image is taken , A train simulator device and a train simulator capable of using a high-definition HD movie as a line segment image, and a recording medium therefor.
The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a method and apparatus for realizing a railway train using a real line segment image photographed by a high- A simulator device, a method of providing a train simulator, and a recording medium therefor.
According to an aspect of the present invention, there is provided a train simulator apparatus comprising: at least one frame image generated by recording a line image and reproduction speed reference information corresponding to each of the at least one frame image; And a reproduction speed reference information corresponding to a frame image under image reproduction is compared with a train running speed to determine a line image reproduction speed, and the line image reproduction speed and the line image data And a display unit for displaying a line image corresponding to the line image data on the screen according to the line image reproduction signal received from the simulator control unit.
Preferably, the line video data is installed on a train that runs an actual line section, records the line video, measures at least one of a traveling speed and a travel distance of the train, stores the sound data of the line video, May be generated by a line video recording apparatus that stores video data in an additional metadata area and stored in the line video database unit.
Preferably, the reproduction speed reference information may include at least one of traveling speed information at the time of recording the line video and traveling distance information at the time of recording the line video.
Preferably, the simulator control section updates the line image reproduction speed when a line image reproduction speed update cycle comes, or when a frame image under image reproduction is changed or the train running speed is changed, The video reproduction speed and the line video reproduction signal corresponding to the line video data to the display unit.
Preferably, when the traveling speed information is included in the reproduction speed reference information, the simulator control unit compares the running speed information corresponding to the frame image under image reproduction with the train running speed, And compares the traveling distance information corresponding to the frame image under image reproduction with the traveling distance information corresponding to the next frame image of the frame image being reproduced when the traveling speed reference information includes the traveling distance information And compare the extracted driving speed information with the train running speed to determine the line image reproducing speed.
Preferably, the train simulator device analyzes the line image data stored in the line image database unit, and calculates a difference between a travel distance between the first frame image and the second frame image, or a travel speed corresponding to the first frame image And a virtual frame generation unit for generating at least one virtual frame image stored between the first frame image and the second frame image according to the information and storing the generated virtual frame image in the line image database unit.
Preferably, the virtual frame generation unit stores the first frame image and the second frame image according to an average train traveling speed of a line segment corresponding to the first frame image and the second frame image The number of at least one virtual frame image can be determined.
Preferably, the train simulator device further includes an interface unit for outputting a train operation input signal received from a user to the simulator control unit, and an interface unit for transmitting / receiving data to / from the control system by wire or wireless, And a wired / wireless communication unit for outputting the wired / wireless communication unit to the simulator control unit.
According to another aspect of the present invention, there is provided a method for providing a train simulator, the method comprising: generating at least one frame image generated by recording a line image and reproducing speed reference information corresponding to each of the at least one frame image, Displaying the line video image on the display unit according to the line video data stored in the line video database unit, displaying the line video data on the display unit in response to the frame image displayed on the display unit, Determining the line image reproduction speed by comparing the speed reference information with the train running speed and displaying the line image corresponding to the line image data on the display unit according to the determined line image reproduction speed .
Preferably, the method for providing the train simulator further includes the step of determining the playback speed of the line image when the playback speed of the line image playback rate is updated, the frame image of the image playback is changed, or the train speed is changed can do.
Also, preferably, the reproduction speed reference information includes at least one of traveling speed information at the moment of recording the line video and traveling distance information at the moment of recording the line video, and determines the line video reproduction speed Wherein the control unit determines the line image reproduction speed by comparing the running speed information corresponding to the frame image under image reproduction with the train running speed when the running speed reference information includes the running speed reference information, When the traveling distance information is included in the reference information, compares the traveling distance information corresponding to the frame image under image reproduction with the traveling distance information corresponding to the next frame image of the frame image under reproduction, The line image reproduction speed can be determined by comparing the train running speed.
Preferably, the train simulator providing method further includes analyzing line image data stored in the line image database unit to calculate a travel distance difference between the first frame image and the second frame image, or a traveling distance corresponding to the first frame image Further comprising a virtual frame generation step of generating at least one virtual frame image stored between the first frame image and the second frame image according to the speed information and storing the generated virtual frame image in the line image database unit, The step of storing the line image data in the line image database unit and the step of displaying the line image on the display unit may be performed.
It is also preferable that the virtual frame generation step includes a step of storing the first frame image and the second frame image according to the average train running speed of the line section corresponding to the first frame image and the second frame image Lt; RTI ID = 0.0 > a < / RTI > virtual frame image.
According to an aspect of the present invention, there is provided a computer-readable recording medium on which a program for performing the train simulator providing method is recorded, .
The train simulator device, the train simulator providing method and the recording medium according to the present invention have the effect of determining the line image reproduction speed by comparing the traveling speed information stored together with the frame image at the time of line image recording to the train running speed .
In addition, the train simulator device, the method of providing a train simulator, and the recording medium according to the present invention solve the problem that the image is cut off when the trains of the train simulator are running at a low speed, Resolution HD video can be used as a line section image.
Also, the train simulator device, the train simulator providing method, and the recording medium thereof according to the present invention can be applied to a railway simulator using a real rail section image photographed by a high-definition and high-resolution moving picture camera, It has the effect of reducing the disparity with the real world which is a disadvantage of the image.
In addition, the train simulator device, the method of providing a train simulator, and the recording medium according to the present invention as described above can remarkably shorten the production period of the line image and reduce the investment cost as compared with the conventional 3D modeling method, It is possible to use the same image as the actual reality as the track image of the train simulator by shooting the running image of the section in high quality and high resolution so that it can educate the trainer of the engineer and the actual acceleration / It is possible to exert an excellent effect.
In addition, the train simulator device, the train simulator providing method, and the recording medium according to the present invention as described above generate and store a virtual frame image between actually photographed line image frames so that when the train of the train simulator is operated at low speed There is an effect that the generated image disconnection can be solved.
1 is a diagram illustrating a line image production process of a train simulator using a conventional 3D modeling method.
2 is a view showing a train simulator device according to an embodiment of the present invention.
3 is a diagram illustrating a line video recording apparatus according to an embodiment of the present invention.
4 is a diagram showing an example of a format in which line image data used in a train simulator apparatus according to an embodiment of the present invention is stored.
5 is a diagram illustrating an example of a virtual frame generated by a virtual frame generation unit of a train simulator device according to an embodiment of the present invention.
6 is a flow chart illustrating a method of providing a train simulator according to an embodiment of the present invention.
In order to fully understand the present invention, operational advantages of the present invention, and objects achieved by the practice of the present invention, reference should be made to the accompanying drawings and the accompanying drawings which illustrate preferred embodiments of the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Like reference symbols in the drawings denote like elements.
2 is a view showing a train simulator device according to an embodiment of the present invention. 2, the
The line
The line video data is installed in a train running on a real line section to record the line video and measures at least one of a traveling speed and a traveling distance of a train traveling in a line section at the moment the line video is recorded, Or may be generated by the line
The
Here, the train running speed may mean a running speed of a train displayed on the
First, assuming that the reproduction speed reference information includes the traveling speed information, the
For example, when the traveling speed (traveling speed of the current frame) corresponding to the frame image under image reproduction is 60 km / h, the train operation of the virtual train reproduced by the
Next, assuming that the reproduction speed reference information includes the traveling distance information, the
For example, when the line image data is recorded and stored at 60 frames per second and the running distance (running distance of the current frame) corresponding to the frame image being reproduced is 20,000 cm, corresponding to the next frame image of the frame image being reproduced If the traveling distance (traveling distance of the next frame) is 20,025 cm and the traveling speed of the train reproduced by the
That is, the
The
On the other hand, the
As another example, the
When the line video reproduction speed is updated and the line video reproduction speed is updated as described above, the
The
The virtual
As described above, the virtual frame images generated by the virtual
The
The wired /
As an example, the manager control signal may include the operation signal information, and when the
Meanwhile, the
In summary, the
3 is a diagram illustrating a line video recording apparatus according to an embodiment of the present invention. 3, the line
The
The image data
The speed /
The
Preferably, the line
3, the line
Meanwhile, the line image data generated by the line
4 is a diagram showing an example of a format in which line image data used in a train simulator apparatus according to an embodiment of the present invention is stored. The storage format of the line image data shown in FIG. 4 is the same as that for storing the line image data in the line
4, line image data used in the
Here, the frame number may be a consecutive serial number for distinguishing each frame image, and the frame image information is an area where an actual frame image can be stored. The running speed is the running speed of the train at the moment the corresponding frame image is photographed. The running distance is the running distance (distance from the reference point) of the train at the moment of shooting the corresponding frame image, The distance has been described above with reference to FIG. 2 and FIG. 3, and a detailed description thereof will be omitted here.
On the other hand, when the line image data generated by the line
The storage format of the line image data shown in FIG. 4 is an example, and the storage format of the line image data used in the
5 is a diagram illustrating an example of a virtual frame generated by a virtual frame generation unit of a train simulator device according to an embodiment of the present invention.
2, the virtual
Since the travel distance value per one frame image is large in the line image taken while the train equipped with the line
For example, when a train equipped with the line video
The virtual
For example, when the line image photographed by the line
On the other hand, the virtual
Meanwhile, the number of at least one virtual frame image stored between the first frame image and the second frame image may be determined according to the average train running speed of the line section corresponding to the first frame image and the second frame image have. Here, the average train running speed means an average running speed of trains operating in corresponding real line sections, and the average running speed of the trains is slow in the vicinity of the train station or in many surrounding buildings, The average speed of trains can be accelerated in this possible range.
Therefore, when the average train speed of the corresponding line section is high, the line section is a section in which the trains generally travel at a high speed, and the possibility that the user of the train simulator travels at a low speed in the line section is low. The number of virtual frame images can be set to a small number. On the other hand, when the average train running speed of the line segment is small, it is highly likely that the line segment is a section where the train slows down like the vicinity of the train station, so that the user of the train simulator is likely to run at a low speed in the line segment , It is possible to set a larger number of additional virtual frame images. Through such an algorithm, the virtual
In general, since the line image used in the train simulator is continuously photographed while continuing the line at a fixed viewing angle, the screen change between the
6 is a flow chart illustrating a method of providing a train simulator according to an embodiment of the present invention. The method of providing a train simulator according to an embodiment of the present invention shown in FIG. 6 can be performed by the
Referring to FIG. 6, a method of providing a train simulator according to an embodiment of the present invention includes: generating at least one frame image generated by recording a line image, and reproducing speed reference information corresponding to each of the at least one frame image And storing the line image data in the line image database unit 201 (S61). As described above, the line video data may be recorded by the line
Next, a method of providing a train simulator according to an embodiment of the present invention may include generating a virtual frame image and storing it in the line image database unit 201 (S62). The virtual frame generation step S62 analyzes the line image data stored in the line
On the other hand, as described above with reference to FIGS. 2 and 5, in the virtual frame generation step S62, according to the average train running speed of the line section corresponding to the first frame image and the second frame image, And the number of at least one virtual frame image stored between the first frame image and the second frame image may be determined.
Meanwhile, in the method of providing a train simulator according to an embodiment of the present invention, step S62 is included, and the method of providing a train simulator according to an embodiment of the present invention may be performed without step S62.
Next, a method of providing a train simulator according to an embodiment of the present invention may include a step (S63) of displaying a line image on the
Next, a method of providing a train simulator according to an embodiment of the present invention includes determining a line image reproduction speed by comparing reproduction speed reference information corresponding to a frame image displayed on the
Next, a method of providing a train simulator according to an embodiment of the present invention may include displaying (S65) a line image corresponding to the line image data on the
Next, a method of providing a train simulator according to an embodiment of the present invention may include receiving (S66) input from a user through the
When the user inputs the train simulator end command through the
Next, a method of providing a train simulator according to an embodiment of the present invention is characterized in that when a line image reproduction rate update cycle arrives, a frame image under image reproduction is changed, or a train running speed is changed (S67 -> YES) The step S64 of determining the video playback speed can be performed again. On the other hand, when the line image reproduction rate update cycle comes, or when the frame image during image reproduction is changed or the train operation speed is not changed (S67 ->), the method of providing a train simulator according to an embodiment of the present invention, NO), the step S65 of displaying the line image on the
Meanwhile, the method for providing a train simulator according to the present invention can be implemented by a computer-readable recording medium on which a program for performing the train simulator providing method described above with reference to FIG. 6 is recorded.
While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.
200: train simulator device 201: line image database part
202: Simulator control unit 203:
204: virtual frame generation unit 205:
206: wire / wireless communication unit 250: control system
300: Line video recording apparatus 301: Video recording unit
302: Image data storage database unit
303: velocity / distance measuring unit 304:
Claims (14)
A simulator control unit for comparing the reproduction speed reference information corresponding to a frame image under image reproduction with a train running speed to determine a line image reproduction speed and outputting a line image reproduction speed and a line image reproduction signal corresponding to the line image data; And
And a display unit for displaying a line image corresponding to the line image data on the screen according to the line image reproduction signal received from the simulator control unit.
A line image recording method for recording at least one of a traveling speed and a traveling distance of the train and storing the sound image as sound data of the line image or storing the sound image in an additional metadata area, And the train simulator is generated by the apparatus and stored in the line image database unit.
And information on the traveling speed of the vehicle at the moment of recording the line image and information of the traveling distance of the moment of recording the line image.
Updating the line image reproduction speed and updating the line image reproduction speed and the line image data when the line image reproduction speed update cycle arrives or the frame image under image reproduction is changed or the train running speed is changed And outputs the line video reproduction signal to the display unit.
Determining the line image reproduction speed by comparing the running speed information corresponding to the frame image under image reproduction with the train running speed when the running speed reference information includes the running speed information,
When the travel distance information is included in the reproduction speed reference information, the travel distance information corresponding to the frame image under image reproduction is compared with the travel distance information corresponding to the next frame image of the frame image under image reproduction, And the speed information is compared with the train running speed to determine the line image reproduction speed.
The line image data stored in the line image database unit is analyzed and the first frame image and the second frame image are compared with each other based on the traveling distance difference between the first frame image and the second frame image or the traveling speed information corresponding to the first frame image, Further comprising: a virtual frame generation unit for generating at least one virtual frame image stored between the first and second frame images and storing the virtual frame image in the line image database unit.
Determining a number of at least one virtual frame image stored between the first frame image and the second frame image according to an average train traveling speed of a line segment corresponding to the first frame image and the second frame image And the train simulator device.
An interface unit for outputting a train operation input signal received from a user to the simulator control unit; And
Further comprising a wired / wireless communication unit for transmitting / receiving data to / from the control system by wire or wireless, and outputting an administrator control signal received from the control system to the simulator control unit.
Displaying a line image on a display unit according to the line image data stored in the line image database unit;
Comparing the reproduction speed reference information corresponding to the frame image displayed on the display unit with a train running speed to determine a line image reproduction speed; And
And displaying the line image corresponding to the line image data on the display unit according to the determined line image reproduction speed.
Wherein the determining step further comprises the step of determining the line image reproduction speed when a line image reproduction speed update cycle comes, a frame image in which the image is reproduced is changed, or the train running speed is changed.
The traveling speed information at the moment of recording the line image, and the traveling distance information at the moment of recording the line image,
Wherein the step of determining the line image reproduction speed comprises:
Determines the line image reproduction speed by comparing the running speed information corresponding to the frame image under image reproduction with the train running speed when the running speed reference information includes the running speed information, When the travel distance information is included, compares the travel distance information corresponding to the frame image under image reproduction with the travel distance information corresponding to the next frame image of the frame image under image reproduction, and transmits the extracted travel speed information to the train And the speed of the line image is determined by comparing the speed of the line image with the speed of the line image.
The line image data stored in the line image database unit is analyzed and the first frame image and the second frame image are compared with each other based on the traveling distance difference between the first frame image and the second frame image or the traveling speed information corresponding to the first frame image, Further comprising: a virtual frame generation step of generating at least one virtual frame image stored between the second frame images and storing the generated virtual frame image in the line image database unit,
Wherein the virtual frame generation step is performed between the step of storing the line image data in the line image database unit and the step of displaying the line image on the display unit.
Determining a number of at least one virtual frame image stored between the first frame image and the second frame image according to an average train traveling speed of a line segment corresponding to the first frame image and the second frame image Wherein the train simulator comprises:
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CN107895521A (en) * | 2017-12-28 | 2018-04-10 | 山东交通学院 | Suitable for the teaching type experiment plate and experimental method of railway signal |
CN109640145A (en) * | 2018-12-24 | 2019-04-16 | 郑州畅想高科股份有限公司 | A kind of driving drilling method and device for track train |
CN109686165A (en) * | 2019-01-04 | 2019-04-26 | 西南交通大学 | A kind of the train lightweight simulation system and its construction method of multiple motion platforms |
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CN107895521A (en) * | 2017-12-28 | 2018-04-10 | 山东交通学院 | Suitable for the teaching type experiment plate and experimental method of railway signal |
CN107895521B (en) * | 2017-12-28 | 2023-10-27 | 山东交通学院 | Teaching type experiment disk and experiment method suitable for railway annunciator |
CN109640145A (en) * | 2018-12-24 | 2019-04-16 | 郑州畅想高科股份有限公司 | A kind of driving drilling method and device for track train |
CN109640145B (en) * | 2018-12-24 | 2021-08-06 | 郑州畅想高科股份有限公司 | Driving practicing method and device for rail train |
CN109686165A (en) * | 2019-01-04 | 2019-04-26 | 西南交通大学 | A kind of the train lightweight simulation system and its construction method of multiple motion platforms |
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