CN103236249A - Method and device for automatically adjusting display equipment - Google Patents
Method and device for automatically adjusting display equipment Download PDFInfo
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- CN103236249A CN103236249A CN2013101097014A CN201310109701A CN103236249A CN 103236249 A CN103236249 A CN 103236249A CN 2013101097014 A CN2013101097014 A CN 2013101097014A CN 201310109701 A CN201310109701 A CN 201310109701A CN 103236249 A CN103236249 A CN 103236249A
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Abstract
The invention discloses a method and a device for automatically adjusting display equipment. The method includes: receiving environment images captured by monitoring equipment at intervals of preset time; comparing current environment images with previous environment images, and analyzing scene characteristics according to comparison results; and adjusting the amount of electricity consumption or powering on and off of the display equipment according to changes of the scene characteristics. By the method and the device, operating scenes of the display equipment can be monitored in real time through the monitoring equipment, and the amount of power supply or on and off of a switch of the display equipment can be controlled according to monitoring environment images. The method and the device for automatically adjusting the display equipment have the advantages of high reliability, high safety, evident energy-saving effect and the like.
Description
Technical field
The present invention relates to display device power supply control technology, particularly relate to the self-regulating method and apparatus of display device.
Background technology
The method of present modal control display screen switch mainly contains following two kinds: a kind of is that present computing machine uses maximum methods, be behind the artificial setting-up time by judging whether mouse and keyboard have event to produce, the time that produced event last time with mouse or keyboard when the present time is separated by and closes display device after the time that surpasses setting.Another kind is to have judged whether the user at use equipment by in the display device front infrared or hot sensing module being installed, and closes display device when having the user before display device when detecting.
More than two kinds of methods drawback and shortcoming are respectively arranged, first method can only be applied in computing machine etc. to be had on the display device of external device (as mouse and keyboard), for do not have external device in use seldom handle the televisor of external device or spliced display wall seem helpless; Because monitoring distance and scope infrared or hot sensing are all limited, therefore second method is equally only used under the occasion of close together between this user in use of suitable computing machine and the display device, in the monitoring hall of using spliced display wall or this open scene in demonstration hall issue the effect of using of not waving.
Summary of the invention
Based on this, be necessary at the problems referred to above, provide a kind of display device self-regulating method and apparatus, the safe handling of display device and energy-conserving and environment-protective are guaranteed.
The self-regulating method of a kind of display device comprises:
Receive the ambient image that watch-dog captures every Preset Time;
Current ambient image and ambient image are before this compared, analyze scene characteristic by comparative result;
According to the variation of described scene characteristic, regulate power consumption size or the on/off of display device.
Correspondingly, the self-regulating device of a kind of display device comprises:
Video monitoring module is used for receiving the ambient image that watch-dog captures every Preset Time;
The image processing module that links to each other with described video monitoring module is used for current ambient image and ambient image are before this compared, and analyzes scene characteristic by comparative result;
With the energy supply control module of described image processing module, be used for the variation according to described scene characteristic, regulate power consumption size or the on/off of display device.
Implement the present invention, have following beneficial effect:
The present invention proposes the self-regulating method and apparatus of display device, by the real-time use scene of monitoring display equipment of watch-dog (for example, camera), and control power supply size or the switch on and off of display device according to the ambient image of monitoring.The present invention can be widely used in equipment such as computing machine, intelligent television, spliced display wall and mobile phone, in the profile that does not change original display device and in-builtly have advantages such as reliability height, security is good, energy-saving effect is remarkable simultaneously.
Description of drawings
Fig. 1 is the process flow diagram of the self-regulating method of display device of the present invention;
Fig. 2 is the first embodiment process flow diagram of the self-regulating method of display device of the present invention;
Fig. 3 is the second embodiment process flow diagram of the self-regulating method of display device of the present invention;
Fig. 4 is the self-regulating schematic representation of apparatus of display device of the present invention;
Fig. 5 implements synoptic diagram for first of the self-regulating device of display device of the present invention;
Fig. 6 implements synoptic diagram for second of the self-regulating device of display device of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the process flow diagram of the self-regulating method of display device of the present invention, comprising:
Receive the ambient image that watch-dog captures every Preset Time;
Current ambient image and ambient image are before this compared, analyze scene characteristic by comparative result;
According to the variation of described scene characteristic, regulate power consumption size or the on/off of display device.
Watch-dog (for example, camera) carries out image acquisition to the environment for use of display device, the present invention by receive this ambient image as to user in the scene whether in the basis for estimation at display device scene.In order to obtain field data accurately and effectively; when being installed, camera camera can be installed in the open place of prospect; for example with the place of camera facing to the frequent activity of personnel; and select focal length section, camera that the camera lens wide-angle is big for use as far as possible, realize supervision to scene to capture the maximum magnitude ground of wide-angle more.
When implementing, can be set at set intervals ambient image collection once (for example 2 minutes or 5 minutes etc.), can reduce the occupying system resources problem that causes because of too high frequency acquisition like this.
Current ambient image and the ambient image that captures are before this compared, and ambient image before this as a comparison can be the image that camera is gathered automatically, also can be artificial appointment.For example, in a meeting room, can artificially specify the scene picture original image as a comparison that camera collection arrives when not having the personnel activity.Current ambient image and this original image are compared, analyze scene characteristic by comparative result and whether change, if change, namely have the personnel activity, otherwise, the personnel activity namely do not had.The manner of comparison of image can be the contrast of purity contrast, bright grey contrast, intensity contrast or other modes, only needs the difference of both existence of simple analysis, can obtain comparative result, and the variation of described scene characteristic represents namely whether the personnel activity is arranged.Realize the mode of the preferred intensity contrast of the present invention based on technical being easy to.
According to the variation of described scene characteristic, judge whether to exist the personnel activity, scientifically regulate the power consumption of display device, to reach the effect of safety utilization of electric power, environmental protection and energy saving.The present invention can be widely used in equipment such as computing machine, intelligent television, spliced display wall and mobile phone.For example, for the display splicing wall, when finding not have the personnel activity, screen intensity suitably can be turned down, be reduced power consumption.When finding the personnel activity is arranged, again screen intensity is carried to normal brightness, conveniently watch.When all not having the personnel activity in a period of time, can close screen, even close the system power supply of whole display device, to reach energy-saving effect.
Fig. 2 is the first embodiment process flow diagram of the self-regulating method of display device of the present invention, and compared to Figure 1, Fig. 2 is the concrete synoptic diagram of first kind of embodiment of the present invention.
S201: receive the ambient image that watch-dog captures every Preset Time;
S202: the ambient image of current ambient image and former frame is carried out gray-scale value contrast, when the difference of the gray-scale value of each coordinate pixel of two two field pictures during in specified scope, judge that then scene characteristic changes, otherwise, judge that described scene characteristic not change;
S203: when continuous several judges that described scene characteristic changes, improve the screen intensity of described display; Or,
S204: when continuous several judges that described scene characteristic does not change, reduce the screen intensity of described display; Or,
S205: when continuous several judges that described scene characteristic changes, improve the sound size of described display; Or,
S206: when continuous several judges that described scene characteristic does not change, reduce the sound size of described display; Or,
S207: when present count judges that described scene characteristic does not change in the time, close described display screen equipment and/voice-operated device;
S208: when present count judges that described scene characteristic does not change in the time, close the system power supply of described display.
Need to prove, except can comparing by the two frame ambient image of gathering before and after the camera by artificially setting the ambient image of benchmark.Current ambient image and former frame image are carried out the gray-scale value contrast, when the difference of the gray-scale value of each coordinate pixel of two two field pictures during in specified scope, the scene of then judging two two field picture correspondences does not change, and does not namely have the personnel activity, and this result is fed back to power supply control aspect.Otherwise judge that current scene has the personnel activity, keep the current electricity consumption of display device normal.
Power supply control aspect, present embodiment has mainly been considered aspects such as screen equipment, voice-operated device, system power supply, does not get rid of the Energy Saving Control to other parts of display device.When continuous several (at least 1 time) judged that described scene characteristic changes, the personnel that illustrated were using this display device, so improve the screen intensity of described display, preferably, the screen intensity when being increased to normal the use is in order to watch.When continuous several (at least 1 time) judged that described scene characteristic does not change, illustrating did not have personnel using this display device, so reduce the screen intensity of described display, preferably, can be reduced to standby picture, in order to reduce power consumption; When continuous several (at least 1 time) judged that described scene characteristic changes, the personnel that illustrated were using this display device, so improve the sound size of described display, preferably, when repeatedly judgement has the personnel activity, sound can be transferred to than normal decibel high slightly, so that many people listen to; When continuous several (at least 1 time) judged that described scene characteristic does not change, illustrate did not have personnel using this display device, so reduce the sound size of described display, preferably, can be reduced to quiet so that the minimizing power consumption; When present count judges that described scene characteristic does not change in the time, illustrating does not have personnel using this display device, so close described display screen equipment and/voice-operated device, preferably, stop screen equipment and/power supply of voice-operated device, keep the normal electricity consumption of camera simultaneously, can be energy-conservation in order to reach, can when finding the personnel activity, recover the normal use of screen and acoustic control again.
When present count judged that described scene characteristic does not change in the time, illustrating did not have personnel using this display device, closes the system power supply of described display device, i.e. shutdown automatically.Energy-saving effect the best of automatic shutdown, but can't recover normal condition.For example, the present invention is applied in the intelligent television, and when the parlor before the user sleeps or leaves televisor for a long time or room, system can detect scene and be in static for a long time and shutdown automatically.
Fig. 3 compares with Fig. 2 embodiment for the second embodiment process flow diagram of the self-regulating method of display device of the present invention, and second embodiment improves at the technical of intensity contrast, in order to reduce erroneous judgement, strengthens user's experience effect.
S301: receive the ambient image that watch-dog captures every Preset Time;
S302: with current ambient image and before this ambient image of continuous several frames carry out gray-scale value contrast, when with the difference of the gray-scale value average of number two field picture each coordinate pixel during in specified scope, judge that then scene characteristic changes, otherwise, judge that described scene characteristic there is not variation;
S303: when continuous several judges that described scene characteristic changes, improve the screen intensity of described display; Or,
S304: when continuous several judges that described scene characteristic does not change, reduce the screen intensity of described display; Or,
S305: when continuous several judges that described scene characteristic changes, improve the sound size of described display; Or,
S306: when continuous several judges that described scene characteristic does not change, reduce the sound size of described display; Or,
S307: when present count judges that described scene characteristic does not change in the time, close described display screen equipment and/voice-operated device;
S308: when present count judges that described scene characteristic does not change in the time, close the system power supply of described display.
Different with last embodiment, second embodiment can carry out gray-scale value comparison under the same pixel coordinate according to the current ambient image that gets access to and the ambient image of continuous severals frames before this.Calculate the gray-scale value sum of each coordinate pixel of consecutive numbers two field picture before this earlier, ask the average of gray-scale value again.Grey scale pixel value corresponding under each coordinate position of current environment image and poor (the taking absolute value) of described average are added up, judge that when finding that accumulated value surpasses a certain empirical value variation by a relatively large margin takes place current picture, be that equipment use scene has the personnel activity, this moment, system regulated corresponding duty, saved power consumption or strengthened user experience effect to reach.
In actual use, can control the power consumption of each parts of display device according to the number of times that recurs variation of scene characteristic for improving reliability, as judging all that every image of collection in 5 minutes and continuous 3 image comparative results scene is in static situation and then closes screen.
Stop at personnel and to watch the problem of display device, can pass through present embodiment, to the analysis of the multiframe ambient image in the time period, thereby obtain judged result accurately.
The present invention is specially adapted to be applied in large-scale combination system, can layout in comparatively open scenes such as the demonstration hall of using large-size screen monitors, Dispatch and Command Center, in energy savings, the many-sides such as safe handling that prolong display device serviceable life and equipment positive meaning is arranged.
Fig. 4 is the self-regulating schematic representation of apparatus of display device of the present invention, comprising:
Video monitoring module is used for receiving the ambient image that watch-dog captures every Preset Time;
The image processing module that links to each other with described video monitoring module is used for current ambient image and ambient image are before this compared, and analyzes scene characteristic by comparative result;
With the energy supply control module of described image processing module, be used for the variation according to described scene characteristic, regulate power consumption size or the on/off of display device.
Fig. 4 is corresponding with Fig. 1, identical among the figure in the method for operation of each module and the method.Wherein, control the power consumption size of display device by regulating screen intensity and sound size, but be not limited to screen and acoustic control parts.Power consumption control for each consuming parts of controlling in the display device all should belong within protection scope of the present invention.
Think when in finding the monitoring range of setting, not having the personnel activity that the user leaves display device and dims display device gradually until the final plant closure display device.Again wake display device when in the monitoring range personnel activity being arranged up when detecting again, provide assurance by this dual mode for safe handling and the energy-conserving and environment-protective of equipment.
Preferably, can control volume along with screen is regulated and control together, screen deepening, sound diminish when namely detecting less than the personnel activity, up to closing display device and sound; If close display device and sound does not find still after a period of time that the personnel activity then closes total system, otherwise light shielding and sound again.
Fig. 5 implements synoptic diagram for first of the self-regulating device of display device of the present invention.
As shown in Figure 5, described image processing module comprises:
The feature judging unit, be used for will the ambient image of current ambient image and former frame carrying out gray-scale value and contrast, when the difference of the gray-scale value of each coordinate pixel of two two field pictures during in specified scope, judge that then scene characteristic changes, otherwise, judge that described scene characteristic there is not variation.
As shown in Figure 5, described energy supply control module comprises:
The screen power supplies control module when continuous several judges that described scene characteristic changes, improves the screen intensity of described display; When continuous several judges that described scene characteristic does not change, reduce the screen intensity of described display; When present count judges that described scene characteristic does not change in the time, close the screen equipment of described display; Or,
The sound equipment power control unit when continuous several judges that described scene characteristic changes, improves the sound size of described display; When continuous several judges that described scene characteristic does not change, reduce the sound size of described display; When present count judges that described scene characteristic does not change in the time, close the voice-operated device of described display.
As shown in Figure 5, described energy supply control module comprises:
The system power supply control module when present count judges that described scene characteristic does not change in the time, is closed the system power supply of described display.
Fig. 5 is corresponding with Fig. 2, identical among the figure in the method for operation of each unit and the method.
Fig. 6 implements synoptic diagram for second of the self-regulating device of display device of the present invention.
Different with Fig. 5, as shown in Figure 6, described image processing module comprises:
The gray scale computing unit be used for to calculate gray-scale value average poor of current ambient image and each coordinate pixel of number two field picture;
The signature analysis unit that links to each other with described gray scale computing unit, with current ambient image and before this ambient image of continuous several frames carry out gray-scale value contrast, when with the difference of the gray-scale value average of number two field picture each coordinate pixel during in specified scope, judge that then scene characteristic changes, otherwise, judge that described scene characteristic there is not variation.
Fig. 6 is corresponding with Fig. 3, identical among the figure in the method for operation of each unit and the method.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the self-regulating method of display device is characterized in that, comprising:
Receive the ambient image that watch-dog captures every Preset Time;
Current ambient image and ambient image are before this compared, analyze scene characteristic by comparative result;
According to the variation of described scene characteristic, regulate power consumption size or the on/off of display device.
2. the self-regulating method of display device according to claim 1 is characterized in that, current ambient image and ambient image are before this carried out intensity contrast, and the step by comparative result analysis scene characteristic comprises:
The ambient image of current ambient image and former frame is carried out gray-scale value contrast, when the difference of the gray-scale value of each coordinate pixel of two two field pictures during in specified scope, judge that then scene characteristic changes, otherwise, judge that described scene characteristic not change.
3. the self-regulating method of display device according to claim 1 is characterized in that, current ambient image and ambient image are before this carried out intensity contrast, and the step by comparative result analysis scene characteristic comprises:
With current ambient image and before this ambient image of continuous several frames carry out gray-scale value contrast, when with the difference of the gray-scale value average of number two field picture each coordinate pixel during in specified scope, judge that then scene characteristic changes, otherwise, judge that described scene characteristic there is not variation.
4. according to the self-regulating method of each described display device of claim 1 to 3, it is characterized in that, according to the variation of described scene characteristic, regulate the power consumption size of display device or the step of on/off, comprising:
When continuous several judges that described scene characteristic changes, improve the screen intensity of described display; Or,
When continuous several judges that described scene characteristic does not change, reduce the screen intensity of described display; Or,
When continuous several judges that described scene characteristic changes, improve the sound size of described display; Or,
When continuous several judges that described scene characteristic does not change, reduce the sound size of described display; Or,
When present count judges that described scene characteristic does not change in the time, close described display screen equipment and/voice-operated device.
5. according to the self-regulating method of each described display device of claim 1 to 4, it is characterized in that, according to the variation of described scene characteristic, regulate the power consumption size of display device or the step of on/off, comprising:
When present count judges that described scene characteristic does not change in the time, close the system power supply of described display.
6. the self-regulating device of display device is characterized in that, comprising:
Video monitoring module is used for receiving the ambient image that watch-dog captures every Preset Time;
The image processing module that links to each other with described video monitoring module is used for current ambient image and ambient image are before this compared, and analyzes scene characteristic by comparative result;
With the energy supply control module of described image processing module, be used for the variation according to described scene characteristic, regulate power consumption size or the on/off of display device.
7. the self-regulating device of display device according to claim 6 is characterized in that, described image processing module comprises:
The feature judging unit, be used for will the ambient image of current ambient image and former frame carrying out gray-scale value and contrast, when the difference of the gray-scale value of each coordinate pixel of two two field pictures during in specified scope, judge that then scene characteristic changes, otherwise, judge that described scene characteristic there is not variation.
8. the self-regulating device of display device according to claim 6 is characterized in that, described image processing module comprises:
The gray scale computing unit be used for to calculate gray-scale value average poor of current ambient image and each coordinate pixel of number two field picture;
The signature analysis unit that links to each other with described gray scale computing unit, with current ambient image and before this ambient image of continuous several frames carry out gray-scale value contrast, when with the difference of the gray-scale value average of number two field picture each coordinate pixel during in specified scope, judge that then scene characteristic changes, otherwise, judge that described scene characteristic there is not variation.
9. according to the self-regulating device of each described display device of claim 6 to 8, it is characterized in that described energy supply control module comprises:
The screen power supplies control module when continuous several judges that described scene characteristic changes, improves the screen intensity of described display; When continuous several judges that described scene characteristic does not change, reduce the screen intensity of described display; When present count judges that described scene characteristic does not change in the time, close the screen equipment of described display; Or,
The sound equipment power control unit when continuous several judges that described scene characteristic changes, improves the sound size of described display; When continuous several judges that described scene characteristic does not change, reduce the sound size of described display; When present count judges that described scene characteristic does not change in the time, close the voice-operated device of described display.
10. according to the self-regulating device of each described display device of claim 6 to 9, it is characterized in that described energy supply control module comprises:
The system power supply control module when present count judges that described scene characteristic does not change in the time, is closed the system power supply of described display.
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