TWI477969B - Remote control method, remote control system and electronic appararus - Google Patents

Description

Remote control method, remote control system and electronic device

The present invention relates to a remote control method, a remote control system, and an electronic device; in particular, a remote control method, a remote control system, and an electronic device for controlling a remote screen of a remote display device.

With the advancement of technology standards, current consumer electronic devices have quite a complete set of functions and interfaces, but the interconnection or control between different electronic devices is not easy. For example, how to use an electronic device with touch function to indirectly control another remote display device is a function that many manufacturers are currently eager to develop.

In the prior art U.S. Patent Publication No. 20080174551, an image display system is disclosed, comprising a television or personal computer, and a remote control device. The remote control device includes a camera for capturing a display screen of the television, and the user can generate a gesture on the remote control device to control the television. The prior art display of the original image on the remote device and the coordinate comparison of the image captured by the camera with the original image is disclosed in the prior art US Patent Publication No. 20100304787. However, neither of the above details how to perform the coordinate conversion process.

Therefore, it is necessary to provide a remote control method and system to solve the above-mentioned lack of prior art.

The main object of the present invention is to provide a remote control method having the effect of controlling the far end picture of the remote display device.

Another primary object of the present invention is to provide an electronic device for controlling a remote picture of a remote display device.

Another primary object of the present invention is to provide a remote control system for controlling a remote picture of a remote display device by an electronic device.

In order to achieve the above object, according to an embodiment of the present invention, the remote control method of the present invention is applied to an electronic device for controlling a remote screen of the remote display device, and the method includes the following steps: dynamically capturing the far End screen, wherein the remote screen includes a plurality of remote screen positioning points; displaying a screen image corresponding to the remote screen; detecting a plurality of remote screen positioning points, and setting a plurality of screen positioning points on the screen screen, wherein the plurality of screen positions are positioned The position of the point corresponds to the position of the plurality of remote screen positioning points; detecting the moving track of the object contacting or approaching the electronic device; and the relative position of the screen corresponding to the positioning screen of the reference screen based on the moving track relative to the plurality of screen positioning points, and Calculating a relative position of the distal end of the reference remote end image positioning point of the motion trajectory relative to the plurality of remote picture positioning points according to a proportional relationship between the distance between the positioning points of the plurality of screen images and the plurality of remote picture positioning points; and transmitting The distal relative position to the distal display device for the remote display device to be based on the relative position of the distal end Row corresponds to the operation.

According to an embodiment of the invention, wherein the relative position of the screen comprises a horizontal screen relative distance and a vertical screen relative distance, and the distal relative position comprises a horizontal distal relative distance and a vertical distal relative distance, and the relative position of the distal end is calculated. The steps include: obtaining a screen length and a screen width of the screen according to the plurality of screen positioning points, and obtaining a far-end picture length and a far-end picture width according to the plurality of remote picture positioning points; according to the motion track and the reference The screen positioning point obtains the relative distance between the horizontal screen and the vertical screen; and calculates the relative distance between the horizontal end according to the length of the screen, the length of the remote screen, and the relative distance of the horizontal screen, and according to the screen width, the width of the screen, and the vertical The relative distance of the screen is calculated and the relative distance between the vertical ends is calculated.

According to an embodiment of the present invention, the reference screen image positioning point is the closest to the motion track in the plurality of screen image positioning points.

According to an embodiment of the invention, the plurality of screen positioning points are located at the corners of the screen.

According to an embodiment of the present invention, an electronic device of the present invention is configured to control a remote image of a remote display device. The electronic device includes an image capture module, a touch screen, a processing module, a setting module, and a detection module. , computing modules and transmission modules. The image capture module is configured to dynamically capture the remote image, wherein the remote image includes a plurality of remote image positioning points; the touch screen is used to display a screen image corresponding to the remote image; and the processing module is configured to detect the plurality of remote images a screen positioning point; the setting module is configured to set a plurality of screen image positioning points on the screen screen, wherein the position of the plurality of screen image positioning points corresponds to the position of the plurality of remote screen positioning points; the detecting module is configured to detect the object contact or Proximity to the motion track of the touch screen; the calculation module is configured to position the screen relative to the screen position of the reference screen according to the motion track relative to the plurality of screen image points, and according to the distance between the plurality of screen screen positioning points and the plurality of remote screens The proportional relationship between the anchor points, calculating the motion trajectory relative to the complex distal end One of the picture positioning points is a remote relative position of the reference remote picture positioning point; the transmitting module is configured to transmit the remote relative position to the remote display device, so that the remote display device performs a corresponding operation according to the remote relative position.

According to an embodiment of the invention, the relative position of the screen comprises a horizontal screen relative distance and a vertical screen relative distance, and the distal relative position comprises a horizontal distal relative distance and a vertical distal relative distance, and the calculation module calculates the relative position of the distal end. The method comprises: obtaining a screen length and a screen width of the screen according to the plurality of screen positioning points, and obtaining a far-end picture length and a far-end picture width of the remote picture according to the plurality of remote picture positioning points; according to the motion track and the reference screen The positioning point obtains the relative distance of the horizontal screen and the relative distance of the vertical screen; and calculates the relative distance of the horizontal distal end according to the length of the screen picture, the length of the far-end picture and the relative distance of the horizontal screen, and according to the screen width, the far-end picture width and the vertical screen relative Distance, calculate the relative distance from the far vertical end.

According to an embodiment of the invention, the computing module is the closest to the distance motion track in the plurality of screen image positioning points as the reference screen image positioning point.

According to an embodiment of the invention, the plurality of screen positioning points are located at the corners of the screen.

In accordance with an embodiment of the present invention, a remote control system of the present invention includes a remote display device and an electronic device. The remote display device is configured to display a remote picture, wherein the remote picture includes a plurality of remote picture positioning points. The electronic device is electrically connected to the remote display device. The electronic device comprises an image capture module, a touch screen, a processing module, a setting module, a detection module, a calculation module and a transmission module. Image capture module for dynamically capturing the far end image; touch flash The screen is used to display a screen image corresponding to the remote screen; the processing module is configured to detect a plurality of remote screen positioning points; and the setting module is configured to set a plurality of screen image positioning points on the screen screen, wherein the position of the plurality of screen image positioning points Corresponding to the position of the plurality of remote screen positioning points; the detecting module is configured to detect the moving track of the object contacting or approaching the touch screen; and the calculating module is configured to locate one of the reference screens according to the moving track relative to the plurality of screen images The relative position of the screen of the screen positioning point, and the proportional distance between the distance between the positioning point of the complex screen image and the positioning point of the plurality of remote screens, and calculating the positioning of one of the reference remote end screens relative to the plurality of remote screen positioning points The remote relative position of the point; the transmitting module is configured to transmit the remote relative position to the remote display device, so that the remote display device performs the corresponding operation according to the remote relative position.

According to an embodiment of the invention, the relative position of the screen comprises a horizontal screen relative distance and a vertical screen relative distance, and the distal relative position comprises a horizontal distal relative distance and a vertical distal relative distance, and the calculation module calculates the relative position of the distal end. The method comprises: obtaining a screen length and a screen width of the screen according to the plurality of screen positioning points, and obtaining a far-end picture length and a far-end picture width of the remote picture according to the plurality of remote picture positioning points; according to the motion track and the reference screen The positioning point obtains the relative distance of the horizontal screen and the relative distance of the vertical screen; and calculates the relative distance of the horizontal distal end according to the length of the screen picture, the length of the far-end picture and the relative distance of the horizontal screen, and according to the screen width, the far-end picture width and the vertical screen relative Distance, calculate the relative distance from the far vertical end.

According to an embodiment of the present invention, the computing module is the closest to the distance motion track in the plurality of screen image positioning points, and is used as a reference screen image. Site.

According to an embodiment of the invention, the plurality of screen positioning points are located at the corners of the screen.

The above and other objects, features and advantages of the present invention will become more <

Please refer to FIG. 1 below, which is a system architecture diagram of a remote control system according to an embodiment of the present invention. As shown in FIG. 1 , according to an embodiment of the present invention, the remote control system 1 includes an electronic device 10 and a remote display device 20 , which are connected through a network 90 . The user can use the electronic device 10 to control the far end screen of the remote display device 20. It should be noted that the electronic device 10 and the remote display device 20 are not limited to the network connection. For example, the two can also be electrically connected by wire or wirelessly to transmit signals between the two.

According to an embodiment of the invention, the electronic device 10 is a tablet computer with touch function, but the invention is not limited thereto; and may also be a mobile phone, a personal digital assistant (PDA) or a notebook computer. And other electronic devices. The remote display device 20 is a general image output device such as a monitor, a television, a projector, a liquid crystal display, or the like. The remote display device 20 may include a touch panel to receive a touch command, but may also be a touch panel that does not include a hardware, and includes a software program to parse the touch command transmitted by the electronic device 10 to The touch command performs a corresponding operation.

Next, please refer to FIG. 2, which is a system architecture diagram of an electronic device according to an embodiment of the present invention. As shown in FIG. 2, the electronic device 10 of the present invention includes an image capturing module 11, a touch screen 12, a detecting module 13, a computing module 14, a transmitting module 15, and a setting. Module 16 and processing module 17. It should be noted that, in addition to being configurable as a hardware device, a software program, a firmware, or a combination thereof, each of the above modules may also be configured by a circuit loop or other suitable type; and, in addition, each module may be configured in a separate type. It can also be combined with the type configuration. In addition, the present embodiment is merely illustrative of preferred embodiments of the present invention, and in order to avoid redundancy, all possible combinations of variations are not described in detail. However, those of ordinary skill in the art will appreciate that the various modules or components described above are not necessarily required. In order to implement the invention, other well-known modules or elements of more detail may also be included. Each module or component may be omitted or modified as needed, and no other modules or components may exist between any two modules.

Please refer to FIG. 3, which is a flow chart of the steps of the remote control method according to an embodiment of the present invention. Please refer to FIG. 4A, FIG. 4B, FIG. 5A and FIG. 5B together with respect to one embodiment of the present invention. example. The remote control method of the present invention will be described below with the electronic device 10 shown in FIG. It should be noted, however, that the remote control method of the present invention is not limited to use with the electronic device 10 shown in FIG.

First, step S1 is performed: dynamically capturing the far end screen of the remote display device.

Referring to FIG. 4A, a remote screen 100 is first displayed on the remote display device 20, wherein the remote screen 100 includes remote sub-pictures 105, 106, in accordance with an embodiment of the present invention. A photo is displayed in the remote sub-picture 105, the far end The sub screen 106 is a folder screen.

While the remote display device 20 displays the remote screen 100, the electronic device 10 dynamically captures the remote screen 100 by the image capturing module 11. According to an embodiment of the present invention, the image capturing module 11 is a camera. After the remote screen 100 is captured, the screen image 110 is generated and displayed on the electronic device 10. It should be noted that how the image capturing module 11 captures the far-end image 100 should be familiar to those of ordinary skill in the art, and is not in the specification.

Then, step S2 is performed: displaying a screen corresponding to the remote screen.

Referring to FIG. 5A , the electronic device 10 dynamically captures the remote screen 100 by the image capturing module 11 , and generates a screen image 110 corresponding to the remote screen 100 , which is displayed on the touch screen 12 . . As shown in FIG. 5A, screen screen 110 includes screen sub-pictures 115, 116. The screen sub-screen 115 corresponds to the far-end sub-picture 105, and a photo is displayed; the screen sub-screen 116 corresponds to the far-end sub-picture 106, and the folder picture is displayed.

Then, step S3 is performed: detecting a plurality of remote screen positioning points, and setting a plurality of screen image positioning points on the screen, wherein the positions of the plurality of screen image positioning points correspond to the positions of the plurality of remote screen positioning points.

Referring to FIG. 4A and FIG. 5A respectively, according to an embodiment of the present invention, the processing module 17 detects the remote screen positioning points 101, 102, 103, and 104 of the remote screen 100; and the setting module 16 Setting screen display points 111, 112, 113 and 114 on the screen 110, wherein the screen is drawn The locations of the surface location points 111, 112, 113, and 114 correspond to the locations of the remote picture location points 101, 102, 103, and 104.

According to an embodiment of the present invention, the processing module 17 can automatically detect four corners of the remote picture 100 as the remote picture positioning points 101, 102, 103, and 104, and locate the points 101, 102, and 103 for the remote picture. And 104 set the coordinates. For example, if the processing module 17 detects that the remote display device 20 displays the remote screen 100 with a resolution of 1280 by 800, the coordinates of the remote screen positioning points 101, 102, 103, and 104 are respectively set to (0,800). ), (1280, 800), (0, 0), and (1280, 0), in units of pixels. It should be noted that how to detect the four corners of the far-end picture 100 should be familiar to those of ordinary skill in the art, and is not in the specification.

In addition to this, the setting module 16 is also required to set the position of the screen positioning point. Since the position of the screen positioning point needs to correspond to the position of the remote screen positioning point, as shown in FIG. 5A, the setting module 16 sets the four corners of the screen image 110 as the screen image positioning points 111, 112, 113 and 114, and set coordinates for the screen positioning points 111, 112, 113, and 114. For example, if the electronic device 10 displays the screen image 110 with a resolution of 800 by 480, the coordinates of the screen positioning points 111, 112, 113, and 114 are set to (0, 480), (800, 480), (0, 0, respectively). ) and (800,0), in pixels.

According to an embodiment of the present invention, the position of the screen positioning point is determined by the setting module 16 according to the position of the remote screen positioning point, and can also be set by the user. For example, the user can set the corner of the screen sub-screen 115 or the screen sub-screen 116 as the screen positioning point. but If the user sets the position of the screen positioning point by himself, the position of the corresponding remote screen positioning point also needs to be changed. For example, if the user sets the position of the screen positioning point to the corner of the screen sub-screen 115, the position of the remote screen positioning point is also changed to the corner of the far-end sub-picture 105.

Then proceed to step S4: detecting the motion track of the object contacting or approaching the electronic device.

Referring to FIG. 5B, in accordance with an embodiment of the present invention, the object is detected by the detecting module 13 (in the present embodiment, the finger is used, but the invention is not limited thereto, and may be, for example, a device such as a stylus. Contacting or approaching the motion trajectory 120 of the electronic device 10. After the motion track 120 is detected, the instruction corresponding to the motion track 120 is parsed, and the corresponding operation is performed on the screen image 110. It should be noted that the trajectory of how to sense the detected object should be familiar to those of ordinary skill in the art, and will not be described in the specification.

After detecting the motion trajectory 120, steps S5 through S7 are then performed by the computing module 14 to calculate the distal relative position of the motion trajectory 120 relative to one of the remote end screen locating points.

Then, step S5 is performed: obtaining a screen screen length and a screen screen width of the screen according to the plurality of screen positioning points, and obtaining a far screen length and a far screen width of the far screen according to the plurality of remote screen positioning points.

First, the calculation module 14 needs to obtain the screen picture length and the screen picture width of the screen image 110, and obtain the far-end picture length and the far-end picture width of the far-end picture 100.

According to an embodiment of the present invention, the coordinates of the remote screen positioning points 101, 102, 103, and 104 are set in the foregoing steps, so that the computing module 14 can directly obtain the remote screen length of the remote screen 100 from the coordinate value. 1280 pixels, the far-end picture width is 800 pixels. Similarly, in the foregoing steps, the coordinates of the screen positioning points 111, 112, 113, and 114 have been set, so that the calculation module 14 can directly obtain the screen image length of the screen screen 110 from the coordinate value of 800 pixels, and the screen width is 480. Pixel.

Then, step S6 is performed: obtaining a horizontal screen relative distance and a vertical screen relative distance according to the motion trajectory and the reference screen image positioning point.

Referring to FIG. 5B, in accordance with an embodiment of the present invention, the computing module needs to select one of the screen positioning points 111, 112, 113, and 114 as a reference screen positioning point to calculate the motion track 120 and the reference screen. The horizontal screen relative distance of the screen positioning point and the relative distance of the vertical screen.

According to an embodiment of the present invention, the computing module 14 uses the closest one of the screen motion points as the reference screen screen positioning point. As shown in FIG. 5B, among the screen image positioning points 111, 112, 113 and 114, the closest to the motion track 120 is the screen picture positioning point 112; therefore, the screen picture positioning point 112 is selected as the reference screen picture positioning point. However, it should be noted that the selection of the reference screen positioning point does not have to be limited to the nearest distance trajectory.

After setting the baseline screen positioning point, you can then calculate the motion track. The relative distance between the trace 120 and the horizontal screen of the reference screen positioning point and the relative distance of the vertical screen. Referring to FIG. 5B, when the detection module 13 detects the starting position A of the motion track 120, a coordinate is given, for example, (720, 432). The computing module 14 can calculate the relative position of the starting position A of the motion track 120 and the horizontal screen of the screen positioning point 112 by 80 pixels according to the coordinate of the coordinate and the screen positioning point 112 (800, 480), and the relative distance of the vertical screen is 48 pixels. Similarly, when the detection module 13 detects the end position B of the motion track 120, a coordinate is given, for example, (640, 384). The computing module 14 can calculate the relative position of the horizontal screen of the end position B of the motion track 120 and the screen positioning point 112 by 160 pixels according to the coordinate of the coordinate and the screen positioning point 112 (800, 480), and the relative distance of the vertical screen is 96 pixels.

Then proceeding to step S7: calculating the relative distance of the horizontal distal end according to the length of the screen screen, the length of the remote screen, and the relative distance of the horizontal screen, and calculating the relative distance between the far vertical and the distal end according to the screen width, the width of the far screen, and the relative distance of the vertical screen. .

The computing module 14 can then calculate the starting position A and the ending position B of the motion track 120 in the remote screen 100 as the reference positioning point corresponding to the remote screen positioning point 102 of the screen positioning point 112, and the remote screen. The horizontal distal relative distance of the anchor point 102 and the relative distance from the far vertical distal end.

Taking the end position B of the motion track 120 as an example, the calculation module 14 can display the length of the screen (800 pixels) of the screen image 110, the length of the far end of the far-end picture 100 (1280 pixels), and the end position B of the motion track 120. The relative distance (160 pixels) from the horizontal screen of the screen positioning point 112 is calculated as the relative distance between the end position B of the motion track 120 and the horizontal distal end of the far-end picture positioning point 102. The specific calculation process is: horizontal screen relative distance (160 pixels), multiplied by the length of the far-end picture (1280 pixels), and divided by the length of the screen (800 pixels), the relative distance of the horizontal remote is 256 pixels.

Similarly, the computing module 14 can be perpendicular to the screen positioning point 112 according to the screen width (480 pixels) of the screen image 110, the far-end screen width (800 pixels) of the far-end screen 100, and the end position B of the motion track 120. The relative distance of the screen (96 pixels) is calculated as the relative distance between the end position B of the motion track 120 and the vertical distal end of the far-end picture anchor point 102. The specific calculation process is: vertical screen relative distance (96 pixels), multiplied by the far-end picture width (800 pixels), and divided by the screen width (480 pixels), the vertical distance relative distance is 160 pixels.

According to a similar calculation process, the calculation module 14 can also calculate the relative distance between the starting position A of the motion trajectory 120 and the horizontal distal end of the remote picture positioning point 102 (128 pixels) and the relative distance between the far vertical ends (80 pixels).

Finally, step S8 is performed: transmitting the remote relative position to the remote display device.

Finally, the remote relative position is transmitted by the transfer module 15 to the remote display device 20 for the remote display device 20 to perform a corresponding operation in accordance with the remote relative position. Referring to FIG. 4B, the remote display device 20 receives the relative position of the starting position A of the motion trajectory 120 and the distal end of the distal image positioning point 102 (the horizontal distal relative distance is 128 pixels and the vertical distal relative distance is 80 pixels), and the motion The relative position of the end position B of the trajectory 120 and the distal end of the distal picture positioning point 102 (horizontal distal relative distance 256 pixels and vertical distal relative distance) After 160 pixels, the corresponding operation is performed to move the far-end screen 100 to the lower left.

It should be noted that the remote control method of the present invention is not limited to the above-described sequence of steps, and the order of the above steps may be changed as long as the object of the present invention can be achieved.

To sum up, the present invention, regardless of its purpose, means and efficacy, shows its distinctive features of the prior art. You are requested to review the examination and express the patent as soon as possible. It should be noted that the various embodiments described above are merely illustrative for ease of explanation, and the scope of the invention is intended to be limited by the scope of the claims.

A‧‧‧ starting position

B‧‧‧End position

1‧‧‧Remote control system

10‧‧‧Electronic devices

11‧‧‧Image capture module

12‧‧‧Touch screen

13‧‧‧Detection module

14‧‧‧Computation Module

15‧‧‧Transmission module

16‧‧‧Setting module

17‧‧‧Processing module

20‧‧‧Remote display device

90‧‧‧Network

100‧‧‧Remote screen

101,102,103,104‧‧‧Remote screen positioning point

105, 106‧‧‧ remote subscreen

110‧‧‧Screen screen

111, 112, 113, 114‧‧‧ screen screen positioning points

115,116‧‧‧Screen sprite

120‧‧‧motion track

1 is a system architecture diagram of a remote control system in accordance with an embodiment of the present invention.

2 is a system architecture diagram of an electronic device in accordance with an embodiment of the present invention.

3 is a flow chart showing the steps of a remote control method in accordance with an embodiment of the present invention.

4A and 4B are schematic diagrams of a remote picture in accordance with an embodiment of the present invention.

5A and 5B are schematic views of a screen screen according to an embodiment of the present invention.

Step S1‧‧‧ Dynamically capture the far end screen of the remote display device

Step S2‧‧‧ displays the screen corresponding to the far screen

Step S3‧‧‧ detects a plurality of remote screen positioning points, and sets a plurality of screen image positioning points on the screen screen, wherein the positions of the plurality of screen image positioning points correspond to the positions of the plurality of remote screen positioning points

Step S4‧‧‧Detecting the trajectory of the object touching or approaching the electronic device

Step S5‧‧‧ Obtaining the screen screen length and the screen screen width of the screen according to the plurality of screen positioning points, and obtaining the far screen length and the far screen width of the far screen according to the plurality of remote screen positioning points

Step S6‧‧‧According to the motion trajectory and the reference screen positioning point, the horizontal screen relative distance and the vertical screen relative distance are obtained.

Step S7‧‧‧ Calculate the horizontal remote relative distance according to the length of the screen, the length of the remote screen and the relative distance of the horizontal screen, and calculate the relative distance between the far and the vertical according to the width of the screen, the width of the far screen and the relative distance of the vertical screen.

Step S8‧‧‧Transfer the relative position of the distal end to the remote display device

Claims (12)

A remote control method is used on an electronic device for controlling a remote end of a remote display device, the method comprising: dynamically capturing the remote image, wherein the remote image includes a plurality of remote images Positioning point; displaying a screen image corresponding to the remote screen; detecting the plurality of remote screen positioning points, and setting a plurality of screen image positioning points on the screen screen, wherein the position of the plurality of screen image positioning points corresponds to the plurality Position of the remote screen positioning point; detecting an object contacting or approaching a motion track of the electronic device; and determining a relative position of the screen according to the motion track relative to one of the plurality of screen image positioning points, and Calculating, according to a proportional relationship between the distance between the positioning points of the plurality of screen images and the positioning point of the plurality of remote screens, calculating a position of the moving track relative to one of the plurality of remote remote image positioning points a relative position; and transmitting the distal relative position to the remote display device for the remote display device to be based on the remote relative position Performs a corresponding operation. The remote control method of claim 1, wherein the relative position of the screen comprises a horizontal screen relative distance and a vertical screen relative distance, the distal relative position comprising a horizontal distal relative distance and a vertical distal end The relative distance, the calculating the relative position of the remote end comprises: obtaining a screen screen length of the screen screen and a screen screen width according to the plurality of screen image positioning points, and according to the plurality of remote screens The positioning point obtains a remote screen length of the remote screen and a remote screen width; and the relative distance between the horizontal screen and the vertical screen is obtained according to the motion track and the reference screen positioning point; and according to the length of the screen The remote screen length and the horizontal screen relative distance are calculated, and the horizontal remote relative distance is calculated, and the vertical remote relative distance is calculated according to the screen screen width, the far-end screen width, and the vertical screen relative distance. The remote control method of claim 2, wherein the reference screen positioning point is the closest to the moving track in the plurality of screen positioning points. The remote control method of claim 1, wherein the plurality of screen positioning points are located at a corner of the screen. An electronic device for controlling a remote end of a remote display device, the electronic device comprising: an image capture module for dynamically capturing the remote image, wherein the remote image includes a plurality of remote images a touch screen for displaying a screen image corresponding to the remote screen; a processing module for detecting the plurality of remote screen positioning points; and a setting module for the screen Setting a plurality of screen image positioning points, wherein the position of the plurality of screen image positioning points corresponds to a position of the plurality of remote screen positioning points; and a detecting module for detecting an object contacting or approaching one of the touch screens Trajectory a computing module for locating a relative position of one of the reference screen positioning points according to the motion trajectory relative to the plurality of screen image positioning points, and positioning the plurality of remote screen positions according to the distance between the plurality of screen image positioning points a proportional relationship between the points, calculating a relative position of the moving track relative to one of the reference remote end positioning points of the plurality of remote picture positioning points; and a transmitting module for transmitting the remote relative Positioning to the remote display device for the remote display device to perform a corresponding operation in accordance with the remote relative position. The electronic device of claim 5, wherein the relative position of the screen comprises a horizontal screen relative distance and a vertical screen relative distance, the distal relative position comprising a horizontal distal relative distance and a vertical distal relative distance The computing module calculates the relative position of the remote end, comprising: obtaining a screen length of the screen and a screen width according to the plurality of screen positioning points, and obtaining the remote end according to the plurality of remote screen positioning points a remote screen length of the screen and a remote screen width; obtaining a relative distance between the horizontal screen and the relative distance of the vertical screen according to the motion track and the reference screen positioning point; and according to the length of the screen screen, the length of the remote screen And the relative distance of the horizontal screen, calculating the relative distance of the horizontal distal end, and calculating the relative distance of the far vertical distance according to the width of the screen, the width of the remote screen, and the relative distance of the vertical screen. The electronic device of claim 6, wherein the computing module is the closest to the moving track in the plurality of screen positioning points as the reference screen positioning point. The electronic device of claim 5, wherein the plurality of screen positioning points are located at a corner of the screen. A remote control system includes: a remote display device for displaying a remote image; an electronic device electrically connected to the remote display device, the electronic device comprising: an image capture module, Dynamically capturing the remote image, wherein the remote image includes a plurality of remote image positioning points; a touch screen for displaying a screen corresponding to the remote screen; and a processing module for detecting the a plurality of remote screen positioning points; a setting module configured to set a plurality of screen image positioning points on the screen screen, wherein the position of the plurality of screen image positioning points corresponds to the position of the plurality of remote screen positioning points; The module is configured to detect an object contacting or approaching a motion track of the touch screen; and a computing module configured to locate one of the reference screen positioning points according to the motion track relative to the plurality of screen image positioning points Calculating the relative position of the screen, and calculating the motion trajectory relative to the complex remote end according to the ratio between the distance between the positioning point of the complex screen image and the distance between the positioning points of the plurality of remote screens Wherein one surface of one of the reference anchor point distal relative screen location distal to the point position; a transmitting module for transmitting the remote relative position to the remote display device for the remote display device to perform a corresponding operation according to the remote relative position. The remote control system of claim 9, wherein the relative position of the screen comprises a horizontal screen relative distance and a vertical screen relative distance, the distal relative position comprising a horizontal distal relative distance and a vertical distal end The relative distance, the computing module calculates the relative position of the remote end, comprising: obtaining a screen length of the screen and a screen width according to the plurality of screen positioning points, and obtaining the screen according to the plurality of remote screen positioning points The remote screen length of one of the remote screens and the width of a remote screen; the relative distance between the horizontal screen and the relative distance of the vertical screen is obtained according to the motion track and the reference screen positioning point; and according to the length of the screen, the remote end The length of the screen and the relative distance of the horizontal screen are calculated, and the relative distance of the horizontal distal end is calculated, and the relative distance between the far vertical and the distal ends is calculated according to the width of the screen, the width of the remote screen, and the relative distance of the vertical screen. The remote control system of claim 10, wherein the computing module is the closest to the motion track in the plurality of screen positioning points as the reference screen positioning point. The remote control system of claim 9, wherein the plurality of screen positioning points are located at a corner of the screen.