TWI383662B - Video playback method - Google Patents

Description

Video playback method

The invention relates to a display, in particular to a video playing method capable of playing video.

In this era of information explosion, people are watching the display all the time, such as the information board of the railway station, the information board of the stock market, the computer screen, the mobile phone screen, and the TV screen. We use our eyes excessively and excessively at all times. Over time, it will definitely affect our vision health or make our eyes age quickly.

In daily life, the habits of viewers watching TV are all what viewers watch on TV. Viewers often spend a lot of effort to search for programs they want to watch, even searching and converting TV channels. At the same time, it also directly hurts our eyes.

Accordingly, it is an object of the present invention to provide a video playback method that can care for the viewer's vision and satisfy the viewer's preferences.

Therefore, a video playback method is a smart display device, and the smart display includes a display screen for playing video, an identification unit mounted on the display screen, and used for detecting personal features, and A central control unit built in the display screen and capable of programmatically controlling the display screen. The video playing method comprises the following steps: Step 1: Establish personal characteristics according to different viewers. Step 2: Detect personal characteristics to identify the viewer. Step 3: Display the program suggestion menu according to the preferences of different viewers to view the video. Step 4: When the number of viewers exceeds one or more, the program suggestion menu is displayed according to the video of the viewers having an intersection. Step 5: Monitor the viewer's preference for watching the video and update the program suggestion menu.

The function of the invention is to achieve the vision of health care in an interactive play and watch mode, and to meet the viewer's viewing needs.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments.

Referring to FIG. 1 and FIG. 2, a preferred embodiment of the smart display 1 of the present invention comprises a display screen 11, an identification unit 12, a central control unit 13, and a photosensitive unit 14.

The display screen 11 is for playing video.

The identification unit 12 is mounted on the display screen 11. In the preferred embodiment, the identification unit 12 is a camera for capturing facial images.

The central control unit 13 is built in the display screen 11 and electrically connected to the identification unit 12, and can recognize the viewer according to the feature of the face image, and can program the display screen 11 to display the program menu and generate a warning. action.

The photosensitive unit 14 has two photosensitive elements 141 and 142 and a light shielding plate 143. Each of the photosensitive elements 141 and 142 may be a photosensor or a photographic device mounted on a top surface of the display screen 11 and electrically connected to the central control unit 13 for detecting the light source above the display screen 11 respectively. And a background light source behind the display screen 11. The visor 142 is disposed over the photosensitive element 142 such that the photosensitive element 142 can only detect from the rear of the display screen 11 Back light source.

Referring to FIG. 1 , FIG. 2 , and FIG. 3 , the following is a video playback method for the smart display of the present invention and described in conjunction with the foregoing embodiments:

Step 21: Input the name, age, time of the favorite program, channel, and use the identification unit 12 by using an input device (such as a keyboard, a mouse, a remote controller, etc., not shown) to input the name of the viewer (such as a family member). The feature of the face is captured, and a personal feature database is created in the central control unit 13.

Step 22: Turn on the smart display 1.

Step 23: The photosensitive elements 141 and 142 respectively detect the light source above the display screen 11 and the background light source (such as a wall surface) behind the display screen 11, so that the central control unit 13 adjusts the display according to the contrast value of the light source. The brightness of the screen 11 when playing.

For example, the light source above the display screen 11 is usually from a light fixture, and is a primary light source, and the light source behind the display screen 11 is the reflected light of the light source hitting the wall surface, which is a secondary light source, and therefore, the wall surface The material and color system will affect the brightness of the background light source, causing a visual difference. Therefore, when the contrast value of the upper light source and the background light source is too large, indicating that the wall surface is too dark, the central control unit 13 will lower the display screen 11 The brightness makes the brightness of the display screen 11 close to the wall surface, thereby improving the comfort during viewing.

Step 24: The identification unit 12 detects the number of viewers and the face of the viewer, so that the central control unit defines the feature points of the face by using the feature recognition method, and further identifies the viewer identity according to the personal feature database. When the viewer is one person, step 25 is performed, and when the viewer is two or more, step 26 is performed.

Step 25: The central control unit 13 is based on the identity of different viewers, and Looking at the video preferences, only certain programs are opened, and a program suggestion menu is displayed on the display screen 11.

Assuming that there are more than one favorite programs in the same time period, they can be sorted according to the degree of preference.

When the program menu does not clearly specify the channel and time, the central control unit 13 will list the same type of program prompt viewers in all channels of the time period. As shown in Table 1, Monday morning is a news program, and the system will provide viewers with news about the news in each channel in the morning. When the data entered in step 21 contains time and channel, the more clear the prompt will be.

Step 26: The central control unit 13 displays a program suggestion menu on the display screen 11 according to the video that the viewers have intersection and the specific program that is open. When a plurality of people use the television, the central control unit 13 will automatically search for the personal program list and make a Smart Judgement to prompt the program of the common preference. If you can't find a program that you like, you will be recommended to watch the show.

Table 2 shows the results of the dad, mom, and son's favorite programs and Smart Judgement. 1, 2 and 3 in Table 2 are the viewer's preference Degree (determined by time period and by personal views and length of time), where 1 means favorite, and so on. According to Table 2, movies are their favorite programs.

Step 27: The central control unit 13 records the viewer's preference for viewing the video, and updates the program suggestion menu synchronously, so that the present invention can promptly present the viewer.

Step 28: Calculate whether the time for the viewer to view the video exceeds a predetermined value, and if yes, proceed to step 29.

Step 29: The central control unit 13 generates a warning action to tell the viewer that the rest should be taken.

Referring to FIG. 4 and FIG. 5, step 29 further includes the following steps:

Step 291: The central control unit 13 displays the warning message on the display screen 11 by subtitles, telling the viewer that the viewer should automatically shut down, or proceeding to step 292 or step 293 for eye movement.

Step 292: The central control unit 13 plays a 3D training picture instead of the original video. 3D training pictures mainly put some specific pictures, but to understand the meaning of pictures, you must train your eyes to lose focus, meaning that you can see through the picture when you focus on infinity. This exercise can make our crystals shrink and relax, reaching the eyes. Rest and health effects.

Step 293: The central control unit 13 plays a new video that teaches eye movements to replace the original video. The eye movement is mainly to play a small movie, let the eyeball turn the eyeball with the bright spot on the display screen 11 to achieve the effect of relaxation and rest.

Step 294: When the display screen 11 is not turned off or the 3D training picture and the eye movement exercise are played, the central control unit 13 forcibly turns off the smart display. The power of the device 1.

Referring to FIG. 6, it is worth mentioning that step 24 refers to the identification method mentioned in the master's thesis "Instant Face and Feature Positioning System", which mainly locates the pupil (A, B) and the eyeball from the image of the face. The upper part of the eyebrows (C, D), the eyebrows (J, K), the sides of the eyebrows (I, L), the upper, lower, left and right sides of the mouth (E, F, G, H) are characterized as It is used to compare the facial features in the database, and then to identify the individual's identity and set value. Since the facial features of the person have a certain position, the accuracy rate can reach 93%.

According to the above description, the video playing method of the present invention has the following advantages and effects:

1. The invention can automatically detect the ambient light while turning on, and then adjust the brightness of the TV appropriately to achieve the best contrast of the viewing, thereby reducing the fatigue feeling of the eyes and improving the comfort during viewing.

2. The invention generates a warning action when the watchable time exceeds a predetermined value, so that the eyes can fully rest, thereby protecting the eyes from being used at any time, not only can health care vision, but also delay the aging time of the eyes. .

3. The present invention can provide a program list that meets the needs of the viewer according to personal preference, so that the viewer can watch the program of interest more quickly without missing any interesting program and according to the age of the viewer. , to set up a program suitable for watching, enhance the interactive effect when watching the program.

4. Since the invention has the above-mentioned elements of care and concern, it can make the machine that is originally cold and ice like a living, just like a member of our family, not only care about our health but also understand our preferences, it is Branch The technique always comes from the humanity. This is the best portrayal of this sentence.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are still Within the scope of the invention patent.

1‧‧‧Smart display

11‧‧‧ display screen

12‧‧‧ Identification unit

13‧‧‧Central Control Unit

14‧‧‧Photosensitive unit

141‧‧‧Photosensitive elements

142‧‧‧Photosensitive elements

143‧‧ visor

1 is a perspective view of a preferred embodiment of a smart display in the video playback method of the present invention; FIG. 2 is a block diagram of the preferred embodiment; FIG. 3 is a video playback method of the present invention in combination with the foregoing preferred embodiment. FIG. 4 is a flowchart of the preferred embodiment of the video playback method of the present invention; FIG. 5 is a front view of the preferred embodiment; and FIG. 6 is a preferred embodiment of the present invention. A schematic diagram of the face.

1‧‧‧Smart display

11‧‧‧ display screen

12‧‧‧ Identification unit

14‧‧‧Photosensitive unit

141‧‧‧Photosensitive element

142‧‧‧Photosensitive elements

143‧‧ visor

Claims (9)

A video playing method is a smart display as a tool, and the video playing method comprises the following steps: Step 1: establish personal characteristics according to different viewers; Step 2: detect personal characteristics to identify the viewer identity; 3: Display the program suggestion menu according to the preferences of different viewers to watch the video; Step 4: When the number of viewers exceeds one or more, the program suggestion menu is displayed according to the video of the viewers; and step 5: Monitor viewers' preferences for watching video and update the program suggestion menu simultaneously. According to the video playing method of claim 1, the method further includes a step 6 of calculating a time for the viewer to watch the video, and when the time exceeds a predetermined value, an alert action is generated. According to the video playing method of claim 2, wherein the warning action is to display a subtitle to remind the viewer to rest. The video playing method according to claim 2, wherein the warning action is to display a 3D training picture instead of the original video. According to the video playing method of claim 2, wherein the warning action is to play a new video that teaches eye movements to replace the original video. The video playback method according to claim 2, wherein the alert action is to turn off the smart display. According to the video playing method described in claim 1 of the patent application scope, There is a step 1-1: detecting the ambient light and adjusting the brightness of the playback. The video playing method according to claim 1, wherein the step 3 can open only a specific program according to the identity of the viewer. According to the video playing method of claim 1, wherein the step 2 detects the feature of the face as a method for recognizing the viewer.