TW201504849A - Monitor control system and method thereof - Google Patents

Abstract

Disclosed is the monitor control system and method thereof in the present invention. The monitor control system comprises a monitor, an IR sensor (infrared ray sensor), and a plurality of cameras. The plurality of cameras are installed on a car and each of the plurality of cameras captures the scene around the car correspondingly. The IR sensor is used in the monitor control system to detect a user's gesture to control the monitor to display the scene around the car, such that the monitor can display an image in front of the car and an image in back of the care alternatively. Besides, a tolerance mechanism is also used in the monitor control system to raise the accuracy of detecting the user's gesture.

Description

Screen control system and method thereof

The following description relates to a screen control system, and more particularly to a system for controlling a user's gestures with an infrared sensor and using the user's gesture to control the screen.

Generally speaking, the driver who drives the vehicle to expand the view of the vehicle in the vehicle is the mirror in the interior of the vehicle and the mirror on both sides of the vehicle. With these mirrors, it can be seen whether there are objects close to the rear and sides of the car. But it doesn't cover all the horizons, especially if it's not good at the day or in a dimly lit parking lot, even a seasoned driver can be dangerous.

With the rise of 3C products, products that improve the driver's vision have also been introduced. The common electronic products are driving radar or vehicle monitoring system. The current driving radar can be equipped with multiple sensors to be installed on the vehicle body. Around the other, when the car body is close to other objects, the driving power can be sounded according to the signal detected by the sensor, and the vehicle monitoring system is usually equipped with a touch screen and a plurality of lenses mounted on the vehicle body. The user can touch the touch screen or use the remote control to switch the picture around the body displayed by different lenses.

However, the driving radar is used to detect the sound of the car body when it approaches the object. When the driver drives the car to hang on the narrow mountain road, the driving radar can not be used at all. On the other hand, the vehicle monitoring system requires the user to touch the touch screen or use the remote control to control the system. However, there is a possibility that the driver may be distracted to generate driving safety concerns, so how to comprehensively expand The driver's vision and safety of driving become an important issue.

In order to achieve the above functions, the inventors have invented a system and method for detecting user's gestures by infrared rays to control screen display, and can control the switching of the screen by using simple gestures, and can fully expand the driver's presence. The vision of driving, even if driving a novice in a narrow mountain road or a dim underground parking lot, can know the environment around the car body.

The embodiment of the present invention is directed to a screen control system capable of detecting a user's gesture by an infrared sensor, and controlling the image switching of the screen by using the user to improve driving safety and amplifying driving. The vision of the driver.

A screen control system is used in an electronic device of a vehicle. The screen control system comprises: a plurality of image capturing modules respectively installed around the vehicle to capture one of the first image and the second image of the vehicle. a display screen; an infrared sensing module mounted on the electronic device for detecting one of the user's actions and outputting a detection signal; and a processing module for receiving the detection signal to control the display screen The first image and the second image are displayed in turn.

More preferably, the first image may include a front image of the vehicle, and the second image may include a rear image of the vehicle. The image captured by the plurality of image capturing modules further includes a left image and a right image of the vehicle. And receiving, by the processing unit, the signal to control the display screen to display the front image, the left image, the rear image, and the right image in a circular manner.

More preferably, the actuation includes one of a swipe gesture or a swipe gesture to swing back and forth.

More preferably, the processing module determines whether the completion time of one of the actuations is less than a threshold value, and if so, the processing module controls the display screen to display an image change.

More preferably, when the electronic device is in a sleep state, the processing module wakes up the electronic device according to the detection signal.

More preferably, the audio module further includes a sound device. When the processing module receives the detection signal, the processing module controls the sound device to send a prompt message.

A screen control method is used in an electronic device of a vehicle. The screen control method comprises: a. installing a plurality of image capturing modules around the vehicle to capture one of the first image and the second image of the vehicle. ; b. installing an infrared sensing module in the electronic device, and using the infrared sensing module to detect one of the users to output a detection signal; and c. receiving a detection signal by using a processing module to control The display screen alternately displays the first image and the second image.

More preferably, the first image may include a front image of the vehicle, and the second image may include a rear image of the vehicle. The image captured by the plurality of image capturing modules further includes a left image and a right image of the vehicle. And the processing unit receives the signal to control the display screen to display the front image, the left image, the rear image, and the right image in a round-robin manner.

More preferably, the actuation includes one of a swipe gesture or a swipe gesture to swing back and forth.

More preferably, the processing module determines whether the completion time of one of the actuations is less than a threshold value, and if so, the processing module controls the display screen to display an image change.

More preferably, when the electronic device is in a sleep state, the processing module wakes up the electronic device according to the detection signal.

More preferably, the audio module further includes a sound device. When the processing module receives the detection signal, the processing module controls the sound device to send a prompt message.

10‧‧‧Screen Control System
20‧‧‧Multiple image capture modules
30‧‧‧ Display screen
40‧‧‧Infrared sensing module
50‧‧‧Processing module
101‧‧‧Digital surveillance recorder
102‧‧‧ touch screen
1031‧‧‧ front image
1032‧‧‧ Rear image
1033‧‧‧Side image
104‧‧‧ User's limbs
105‧‧‧Users' actions
1051‧‧‧From left to right
1052‧‧‧Action from right to left
106‧‧‧Sound output device
111‧‧‧Infrared sensor
122‧‧‧ lens
133‧‧‧ Vehicles
S1~S3‧‧‧Step process

The above and other features and advantages of the present invention will become more apparent from the detailed description of the exemplary embodiments thereof
1 is a block diagram of a screen control system in accordance with an embodiment of the present invention;

Figure 2 is a block diagram of a screen control system in accordance with another embodiment of the present invention;
Figure 3 is a schematic diagram of a screen control system in accordance with a second embodiment of the present invention;
Figure 4 is a schematic diagram of a screen control system in accordance with a third embodiment of the present invention;

Figure 5 is a schematic diagram of a screen control system in accordance with a fourth embodiment of the present invention;
Figure 6 is a schematic diagram of a screen control system according to a fifth embodiment of the present invention; and Figure 7 is a flow chart showing the steps of the screen control method according to the sixth embodiment of the present invention.

As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. When the phrase "at least one of" is preceded by a list of elements, the entire list of elements is modified instead of the individual elements in the list.

Please refer to FIG. 1, which is a block diagram of a screen control system according to an embodiment of the present invention. As shown in FIG. 1 , a screen control system 10 is mounted on an electronic device of a vehicle. The screen control system 10 includes a plurality of image capturing modules 20 , a display screen 30 , and an infrared sensing module 40 . A processing module 50 is electrically connected to a plurality of image capturing modules 20, a display screen 30, and an infrared sensing module 40. A plurality of image capturing modules 20 are mounted around the vehicle to obtain a front image and a rear image of the vehicle. However, this is merely an example and not a limitation. In addition to facing the front and the rear, the plurality of image capturing modules 20 can be mounted on the vehicle body in different orientations. The display screen 30 is mounted on the electronic device to display one of the front image or the rear image captured by the plurality of image capturing modules 20, and the infrared sensing module 40 is mounted around the display screen 30 to utilize the infrared sensation. The test module 40 can detect one of the user's actions and send a detection signal to the processing module 50. The processing module 50 switches the display of the previous image and the rear image played in the screen 30 according to the detection signal.

Furthermore, each of the plurality of image modules 20 includes a lens that can be mounted on the front end and the rear end of the car. The display screen 30 can further include a touch screen. The infrared sensing module 40 includes an infrared sensor. The processing module 50 includes a central processing unit or a microprocessor, and the electronic device can be a digital surveillance video recorder or a line recorder used in the vehicle.

Please refer to FIG. 2, which is a schematic diagram of a screen control system according to another embodiment of the present invention. As shown in FIG. 2, the user mounts a plurality of lenses 122 on the front end, the rear end and the side of the vehicle 133 to capture a scene around the vehicle 133, and installs a digital surveillance video recorder 101 on the vehicle. In 133, by using one of the touch screens included in the digital video recorder 101 to play the images captured by the different lenses 122, the user can clearly see the scene around the vehicle 133. This function is very suitable for the car to travel at night or on a narrow mountain road, the driver of the vehicle 133 can open this function to protect the safety of their own and the people on board.

Please refer to FIG. 3, which is a schematic diagram of a screen control system according to a second embodiment of the present invention. The digital video recorder 101 in part (a) and (b) of Fig. 3 shows the digital video recorder 101 in the vehicle 133 in Fig. 2, in detail, part (a) and (b) The digital video recorder 101 of the portion includes an infrared sensor 111, a touch screen 102, an audio output device 106, and a central processing unit (not shown). When the digital video recorder 101 is in operation, the touch screen 102 is played by a lens 122 mounted on the front end of the vehicle in FIG. 2 to capture a front image 1031, and when the user's limb 104 is in touch When a user action 105 is generated from the left-to-right direction in front of the screen 102, the infrared sensor 111 immediately detects the user action 105 and sends a detection signal to the central processing unit, and the central processor switches. The front image 1031 of the touch screen 102 is a rear image 1032. When the user generates a user action 105 again, the infrared sensor 111 sends a detection signal to the central processing unit. The display image in 102 is switched back to the front image 1031 from the rear image 1032, so that the user can switch the display screen of the touch screen 102 by using a simple gesture operation.

Further, when the infrared sensor 111 detects that the user's action 105 is generated, the sound effect output device 106 of the digital video recorder 101 can emit a prompt sound to remind the user of the current system infrared sense. The detector 111 has detected the user's action 105 and is ready to perform the next image switching.

When the digital video recorder 101 enters a sleep state after being idle for a period of time, the touch screen 102 does not display any image to save power. At this time, if the infrared sensor 111 detects the user's action 105. The infrared sensor 111 can transmit a detection signal to the central processing unit, and the central processing unit can send a signal to wake up the digital surveillance video recorder 101 and illuminate the touch screen 102 to display the image. The sound output device 106 can further emit a prompt tone to remind the user that the digital video recorder 101 has returned to the normal state from the sleep state, so in addition to the general touch touch screen 102 to wake up the digital display in the sleep monitor. In addition to the 101, the user can detect the user's actuation 105 through the infrared sensor 111 to wake up the digital video recorder 101 that is in hibernation.

Please refer to FIG. 4, which is a schematic diagram of a screen control system according to a third embodiment of the present invention. As shown in FIG. 4, in addition to displaying the front image 1031 and the rear image 1032 of the vehicle in the touch screen 102 of the digital video recorder 101, the side lens mounted on the vehicle 133 in FIG. 2 can be displayed. The side image 1033 captured by the user 122, when the user repeatedly generates a user action 105, the CPU can repeatedly send a signal to switch the display image of the touch screen 102, when the first switch is performed. The touch screen 102 displays a transition from the front image 1031 of the car to the side image 1033 of the car. When the second switch is performed, the touch screen 102 displays the image from the side image 1033 of the car to the car. A rear image 1032, and when the third switch is performed, the touch screen 102 displays a change from the rear image 1032 of the car to the front image 1031 of the car, so that the touch or gesture can be used for the touch. All images of the car are displayed on the screen 102.

Please refer to FIG. 5, which is a schematic diagram of a screen control system according to a fourth embodiment of the present invention. As shown in FIG. 5, when the infrared sensor 111 of the digital video recorder 101 detects the user's limb motion, since the user's limb 104 is performing a left-to-right motion 1051, it is often In the subconscious, this limb will regenerate a right-to-left action of 1052, which may cause the infrared sensor 111 to misjudge that the user wants to switch the touch screen 102 twice, so in this screen control system In addition to determining that the user's action 105 in FIG. 3 is an action in which the user's limb 104 is swung from left to right, it can be determined that the action from left to right 1051 is matched with a right-to-left motion 1052. One of the actuation combinations is actuated by a complete user, which in turn causes the infrared sensor 111 to send a detection signal to the central processor for subsequent processing.

It is further explained that when the combination of the left-to-right operation 1051 and the right-to-left operation 1052 is an active combination, since the right-to-left operation 1052 is for the user to generate the left-to-right operation 1051. After the unintentional generation, the time interval between the two detected by the infrared sensor 111 needs to be less than a time threshold, for example, 0.5 to 1 second, so that the digital video recorder 101 can be upgraded to determine the user's action. One of the accuracy. Or when the user wants to touch the touch screen 102 to set the digital video recorder 101, if the user's hand stays in front of the infrared sensor 111 and exceeds the time threshold, the digital video recorder 101 is It can be recognized that the user's action is to operate the touch screen 102 instead of generating a user's action to switch the captured screen of the touch screen 102.

Please refer to FIG. 6, which is a schematic diagram of a screen control system according to a fifth embodiment of the present invention. As shown in FIG. 6, the digital video recorder 101 uses the infrared sensor 111 to detect the user's motion or gesture to send a detection signal, but the user's limb 104 and the touch screen 102. The sensing distance needs to be less than or equal to a minimum sensing distance 110 to avoid a false positive situation. When the distance between the user's limb 104 or other object and the touch screen 102 is greater than the minimum sensing distance 110, then the digital monitoring and recording is performed. The processing unit of the machine 101 does not regard this as a legitimate detection signal to switch the image in the touch screen 102. In this way, the misjudgment caused when the infrared sensor 111 is obscured by other objects can be reduced.

Referring to FIG. 7, FIG. 7 is a flow chart showing the steps of the screen control method of the sixth embodiment of the present invention. As shown in FIG. 7, the screen control method is applied to one of the electronic devices of the vehicle. Step S1 is to install a plurality of image capturing modules around the vehicle to capture a front image and a rear image of the vehicle. As shown in FIG. 2, a plurality of lenses 122 are mounted around the vehicle 133, and then an infrared sensing module is mounted on the electronic device in step S2. The infrared sensing module is mounted on the touch panel as shown in FIG. An infrared sensor 111 around the control screen 102 is configured to detect a simple operation of a user to output a detection signal, wherein one of the user actions may include a left to right or A user gesture from top to bottom, the last step S3 is to use a processing module to receive the detection signal to control the display screen to display the front image and the rear image in turn, as shown in FIG. 3, using the user's action 105 to control the touch. The front screen image 1031 and the rear image 1032 are alternately displayed in the control screen 102. Moreover, as shown in FIG. 4, when an image capturing module is mounted on one side of the vehicle to capture a side image of the vehicle, the user More profitable The front image 1031, the side image 1033, and the rear image 1032 are displayed on the touch screen 102 in a circular manner by a simple operation or a simple gesture.

It can be seen from the above description that the screen control system can control the screen switching of the digital surveillance video recorder with a simple user action, so that the user of the vehicle can control the system even if the digital video recorder is not touched. In addition, it makes the driving safety more secure. Moreover, it uses the lens mounted around the car to display the image around the car, which greatly expands the user's vision when driving, and the driver is driving the car in a bad weather or dangerous section. An important guarantee is provided at all times.

The present invention has been particularly shown and described with reference to the exemplary embodiments thereof, and it is understood by those of ordinary skill in the art Various changes in form and detail can be made in the context of the category.

101‧‧‧Digital surveillance recorder

102‧‧‧ touch screen

1031‧‧‧ front image

1032‧‧‧ Rear image

104‧‧‧ User's limbs

105‧‧‧Users' actions

106‧‧‧Sound output device

111‧‧‧Infrared sensor

Claims (12)

A screen control system is used in an electronic device of a vehicle. The screen control system includes: a plurality of image capturing modules respectively installed around the vehicle to capture a first image of the vehicle and a a second image; a display screen; an infrared sensing module mounted on the electronic device for detecting one of the users to operate and outputting a detection signal; and a processing module for receiving the detection The signal controls the display screen to display the first image and the second image in turn. The screen control system of claim 1, wherein the first image may include a front image of the vehicle, and the second image may include a rear image of the vehicle, the plurality of image capturing modules The captured image further includes a left image and a right image of the vehicle, and the processing unit receives the signal to control the display screen to display the front image, the left image, the rear image and the right side in a circular manner. image. The screen control system of claim 1, wherein the act comprises a swipe gesture or one of the swipe gestures. The screen control system of claim 3, wherein the processing module determines whether the completion time of the actuation is less than a threshold value, and if so, the processing module controls the display screen to display an image change. The screen control system of claim 1, wherein when the electronic device is in a sleep state, the processing module wakes up the electronic device according to the detection signal. The screen control system of claim 1, further comprising an audio device, wherein when the processing module receives the detection signal, the processing module controls the audio device to emit a prompt audio. A screen control method is used in an electronic device of a vehicle. The screen control method includes: a. installing a plurality of image capturing modules around the vehicle to capture a first image of the vehicle and a a second image; b. installing an infrared sensing module on the electronic device, and using the infrared sensing module to detect one of the users to output a detection signal; and c. receiving by using a processing module The detection signal controls the display screen to display the first image and the second image in turn. The screen control method of claim 7, wherein the first image may include a front image of the vehicle, and the second image may include a rear image of the vehicle, the plurality of image capturing module The image captured includes a left image and a right image of the vehicle, and the processing unit receives the signal to control the display screen to display the front image, the left image, the rear image and the right side in a circular manner. image. The screen control method of claim 7, wherein the act comprises a swipe gesture or one of the swipe gestures. The screen control method of claim 9, wherein the processing module determines whether the completion time of the actuation is less than a threshold value, and if so, the processing module controls the display screen to display an image change. The screen control method of claim 7, wherein when the electronic device is in a sleep state, the processing module wakes up the electronic device according to the detection signal. The screen control method of claim 7, further comprising a sound effect device, wherein when the processing module receives the detection signal, the processing module controls the sound effect device to emit a prompt sound.