CN205050541U - Screen adjusting device and display - Google Patents
Screen adjusting device and display Download PDFInfo
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- CN205050541U CN205050541U CN201520785276.5U CN201520785276U CN205050541U CN 205050541 U CN205050541 U CN 205050541U CN 201520785276 U CN201520785276 U CN 201520785276U CN 205050541 U CN205050541 U CN 205050541U
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Abstract
The utility model discloses a screen adjusting device and display. Wherein, this screen adjusting device includes: the comparator for comparing the display parameters of target pixel and the size of referring to the parameter, and exporting a switching signal, wherein, the target pixel is the pixel of the information institute cover of stack in the screen background, first switch for receiving and exporting first sample parameter according to selection in the switching signal follow sample parameter set, wherein, first sample parameter is used for adjusting the demonstration of target pixel, and second switch for select the target pixel from the screen background, and carry out the output control according to first sample parameter to the target pixel. The utility model provides an in the correlation technique OSD menu part dot matrix colour single with luminance, lead to OSD menu and screen background to show that the contrast is lower, be difficult for reading the technical problem of OSD menu content.
Description
Technical field
The utility model relates to image processing field, in particular to a kind of screen adjustment device and display.
Background technology
OSD (On-ScreenDisplay) menu is generally the rectangle menu by the every reconciling items information of the display of ejecting in screen after menu key, can to display work in every index by OSD menu, comprise color, pattern, geometric configuration etc. to adjust, thus reach the optimum condition of user's use.OSD menu is widely used in various video display apparatus, and such as, in safety monitoring industry, OSD menu is widely used in video monitoring display device.But, in partial video display device, OSD menu section dot matrix color and brightness comparatively single, cause OSD menu and screen background display comparison degree lower, not easily read OSD menu content, seriously reduce user's experience.
For OSD menu section dot matrix color in correlation technique and brightness single, cause OSD menu and screen background display comparison degree lower, not easily read the problem of OSD menu content, not yet propose effective solution at present.
Utility model content
The utility model embodiment provides a kind of screen adjustment device and display, single at least to solve OSD menu section dot matrix color and brightness in correlation technique, cause OSD menu and screen background display comparison degree lower, not easily read the technical matters of OSD menu content.
According to an aspect of the utility model embodiment, provide a kind of screen adjustment device, comprise: comparer, for the display parameter of comparison object pixel and the size of reference parameter, and export the first switching signal, wherein, the pixel that covers for the information be superimposed upon in screen background of target pixel points; First switch, for receiving and concentrating selection output first sample parameter according to the first switching signal from sample parameter, wherein, the first sample parameter is used for regulating the display of target pixel points; And second switch, for selecting target pixel points from screen background, and according to the first sample parameter, Drazin inverse is carried out to target pixel points.
Further, this device also comprises: timer, for carrying out timing; Second switch, is connected with timer, for the time indicated by timer to predetermined amount of time time, select target pixel also carries out Drazin inverse to target pixel points, and wherein, predetermined amount of time is the time period needing to carry out target pixel points Drazin inverse.
Further, this device also comprises: signal generator, and the first end of signal generator is connected with timer, for the time indicated by timer to predetermined amount of time time, send second switch signal; Second switch, is connected with the second end of signal generator, and when receiving second switch signal, select target pixel also carries out Drazin inverse to target pixel points.
Further, this device also comprises: the first sample unit, is connected with comparer, for providing reference parameter to comparer; And second sample unit, be connected with the first switch, for providing sample parameter collection to the first switch.
Further, comparer, the amplitude of vision signal and the size of datum on comparison object pixel, when in target pixel points, the amplitude of vision signal is greater than datum, export the first signal value, when the amplitude of vision signal is less than datum in target pixel points, export secondary signal value.
Further, the first switch, for exporting black level when comparer exports the first signal value, exports white level when comparer exports secondary signal value.
Further, this device also comprises: extraction element, is connected with comparer, for extracting target pixel points from screen background, and target pixel points is sent to comparer.
Further, the first switch is simulation gating switch.
Further, second switch is simulation gating switch.
According to the another aspect of the utility model embodiment, additionally provide a kind of display, this display comprises any one screen adjustment device in the utility model embodiment.
In the utility model embodiment, by the display parameter of comparer comparison object pixel and the size of reference parameter, the first switching signal that first switch exports according to comparer concentrates selection first sample parameter from sample parameter, to regulate the display parameter of target pixel points, reach the object increasing screen background and OSD display comparison degree, and then it is single to solve OSD menu section dot matrix color and brightness in correlation technique, cause OSD menu and screen background display comparison degree lower, not easily read the technical matters of OSD menu content, achieve and improve screen background and OSD display comparison degree, improve the technique effect of OSD display resolution.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram of the screen adjustment device according to the utility model embodiment;
Fig. 2 is the schematic diagram of a kind of optional screen adjustment device according to the utility model embodiment;
Fig. 3 is the schematic diagram according to the optional screen adjustment device of the another kind of the utility model embodiment; And
Fig. 4 is the schematic diagram of the display according to the utility model embodiment.
Embodiment
The utility model scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the embodiment of the utility model part, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
It should be noted that, term " first ", " second " etc. in instructions of the present utility model and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiment of the present utility model described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
According to the utility model embodiment, provide a kind of screen adjustment device embodiment, it should be noted that, this screen adjustment device can be applied in various video display apparatus, such as video monitoring display.
Fig. 1 is the schematic diagram of the screen adjustment device according to the utility model embodiment, and as shown in Figure 1, this screen adjustment device comprises:
Comparer 10, for the display parameter of comparison object pixel and the size of reference parameter, and exports the first switching signal, wherein, and the pixel that target pixel points covers for the information be superimposed upon in screen background;
First switch 12, is connected with comparer 10, and for receiving and concentrating selection output first sample parameter according to the first switching signal from sample parameter, wherein, the first sample parameter is used for regulating the display of target pixel points;
Second switch 14, is connected with the first switch 12, for selecting target pixel points from screen background, and carries out Drazin inverse according to the first sample parameter to target pixel points.
By the screen adjustment device of this embodiment, OSD menu section dot matrix color and brightness in correlation technique can be solved single, cause OSD menu and screen background display comparison degree lower, not easily read the technical matters of OSD menu content, realize improving screen background and OSD display comparison degree, improve the technique effect of OSD display resolution.
Analog video signal is made up of frame data, or is made up of field data, and every field data is made up of multi-line images signal.Each row of data is made up of multiple dot image signal again.The pixel that target pixel points in this embodiment covers for the information be superimposed upon in screen background, herein, screen background refers to analog image background, the information be superimposed upon in screen background refers to osd information, osd information mainly comprises screen background image, OSD content and control information, and this control information mainly comprises the superposed positions of osd information in screen background.It should be noted that, the superposed positions of osd information in screen background can set according to the actual requirements, and the superposed positions of osd information in screen background comprises all row that osd information covers on screen background figure, and the institute covered a little.
Alternatively, the picture signal of target pixel points and target pixel points can be extracted by extraction element and obtain from analog video signal.Extraction element is connected with comparer 10, is mainly used in extracting target pixel points from screen background, and the display parameter of target pixel points and target pixel points are sent to comparer 10.Extraction element can obtain target pixel points according to the superposed positions of the osd information preset in screen background, by analyzing the picture signal of target pixel points, can obtain the display parameter of target pixel points, comprising brightness, color saturation etc.
Alternatively, reference parameter is what preset, for the parameter value compared with target pixel points display parameter.Reference parameter can be obtained by the first sample unit, and wherein, the first sample unit is connected with comparer 10, for providing reference parameter to comparer.First sample unit automatically can generate a reference parameter and be supplied to comparer 10, also the reference parameter that user presets can be stored, and be supplied to comparer 10.The size of reference parameter can carry out setting and adjusting according to the actual requirements.There is corresponding relation in the display parameter of reference parameter and target pixel points, when the display parameter of target pixel points are brightness, reference parameter is reference brightness; When the display parameter of target pixel points are color saturation, be with reference to color saturation referring to parameter.
As shown in Figure 1, the input quantity of comparer 10 is respectively display parameter and the reference parameter of target pixel points, comparer 10 is for comparing the size of input quantity, and namely the display parameter of comparison object pixel and the size of reference parameter, export the first switching signal according to comparative result.Comparer 10 is connected with the first switch 12, and output quantity first switching signal of comparer 10 can as the control signal of the first switch 12.The first switching signal in this embodiment is preferably step signal, and signal value comprises the first signal value " 1 " and secondary signal value " 0 ".Such as, when the display parameter of target pixel points are brightness, the brightness amplitude of vision signal represents, namely the display parameter of target pixel points are V1, reference parameter is datum V0, comparer 10 is for comparing the size of V1 and V0, and as V1>V0, the signal value of the first switching signal is the first signal value " 1 "; As V1≤V0, the signal value of the first switching signal is secondary signal value " 0 ".Or as V1>V0, the signal value of the first switching signal is secondary signal value " 0 "; As V1≤V0, the signal value of the first switching signal is the first signal value " 1 ".
Alternatively, the first switch 12 is simulation gating switch, and be preferably simulation two-way gating switch, namely the input gating amount of the first switch 12 is two, and that is, sample parameter is concentrated and comprised at least two sample parameters.Sample parameter collection can be obtained by the second sample unit, and wherein, the second sample unit is connected with the first switch 12, for providing sample parameter collection to the first switch 12.Second sample unit automatically can generate sample parameter collection and be supplied to the first switch 12, and the sample parameter collection that also user can be preset stores, and is supplied to the first switch 12.There is corresponding relation in display parameter or the reference parameter of the sample parameter that sample parameter is concentrated and target pixel points, namely, when the display parameter of target pixel points or reference parameter are brightness, the sample parameter that sample parameter is concentrated is black level, white appliances equality, when the display parameter of target pixel points or reference parameter are color saturation, the sample parameter that sample parameter is concentrated is black, white etc.
First switch 12 is connected with the output terminal of comparer 10, for receiving the first switching signal, first switching signal is the control signal of the first switch 12, first switch 12 concentrates selection output first sample parameter according to the first switching signal from sample parameter, wherein, first sample parameter is used for regulating the display of target pixel points, and sample parameter is concentrated and at least comprised the first sample parameter.Such as, sample parameter is concentrated and is comprised black level and white level, and when the first switching signal is the first signal value " 1 ", the first switch 12 is concentrated from sample parameter and selected to export black level; When the first switching signal is secondary signal value " 0 ", the first switch 12 is concentrated from sample parameter and is selected to export white level, or when the first switching signal is the first signal value " 1 ", the first switch 12 is concentrated from sample parameter and selected to export white level; When the first switching signal is secondary signal value " 0 ", the first switch 12 is concentrated from sample parameter and is selected to export black level.
The screen adjustment device of this embodiment passes through the cooperation of comparer 10 and the first switch 12, by extracting the information of the target pixel points that osd information covers, contrast with reference parameter, the display parameter of target pixel points are regulated according to comparative result, can realize automatically regulating OSD display parameter according to screen background display parameter, thus increase the display comparison degree of screen background and OSD menu, the content of OSD menu is shown more clear, and then reach the effect improving user's experience.
The screen adjustment device of this embodiment also comprises second switch 14, alternatively, second switch 14 is simulation gating switch, is preferably simulation three road gating switch, the first sample parameter that input quantity is respectively analog video signal, the first switch 12 exports and second switch signal.Wherein, second switch signal is mainly used in controlling second switch 14 and selects to export target pixel points, and this target pixel points carries out Drazin inverse according to the first sample parameter, namely second switch signal controls second switch 14 and exports target pixel points or output source pixel, source image vegetarian refreshments refers in screen background the pixel that the information be not superimposed in screen background covers, that is, source image vegetarian refreshments is the pixel in screen background except destination object point.
Alternatively, the screen adjustment device of this embodiment can also comprise: timer, and for carrying out timing, this timer may be used for controlling second switch 14 select target pixel, and carries out Drazin inverse according to the first sample parameter to target pixel points.Particularly, second switch 14 is connected with timer, the time indicated by timer to predetermined amount of time time, select target pixel also carries out Drazin inverse to target pixel points, wherein, predetermined amount of time is the time period needing to carry out target pixel points Drazin inverse.The timing section of timer can comprise multiple time period, part-time section (such as preset time period) in multiple time period needs to export target pixel points, and according to the first sample parameter, Drazin inverse is carried out to target pixel points, all the other time periods need output source pixel, and do not need to carry out Drazin inverse to the display parameter of source image vegetarian refreshments.
Alternatively, the screen adjustment device of this embodiment can also comprise: signal generator, is mainly used in generating second switch signal, utilizes second switch signal to control second switch 14.Particularly, the first end of signal generator is connected with timer, for the time indicated by timer to predetermined amount of time time, send second switch signal.Herein, timer is mainly used in trigger signal generator and generates second switch signal.Second end of signal generator is connected with second switch 14, when the time indicated by timer to predetermined amount of time time, trigger signal generator generates second switch signal, second switch 14 is when receiving second switch signal, select to export target pixel points, and according to the first sample parameter, Drazin inverse is carried out to target pixel points.
The screen adjustment device of this embodiment obtains second switch signal by timer and signal generator, second switch signal can control second switch 14 selectivity and export target pixel points or source image vegetarian refreshments, on this basis, when utilizing comparer 10 and the first switch 12 to can be implemented in output target pixel points, according to the first sample parameter, Drazin inverse is carried out to target pixel points, and then it is single to solve OSD menu section dot matrix color and brightness in correlation technique, cause OSD menu and screen background display comparison degree lower, not easily read the technical matters of OSD menu content, reach and improve screen background and OSD display comparison degree, improve the technique effect of OSD display resolution.
Alternatively, the control signal of second switch 14, namely superposed positions in screen background of second switch signal and the osd information preset and OSD width information relevant.Second switch signal can be step signal, and signal value comprises: the first signal value " 1 " and secondary signal value " 0 ", and the initial default value of second switch signal is " 0 ".When the signal value of second switch signal is the first signal value " 1 ", second switch 14 is selected to export target pixel points, and carries out Drazin inverse according to the first sample parameter to target pixel points; When the signal value of second switch signal is secondary signal value " 0 ", second switch 14 selects output source pixel.Particularly, the process of timer and signal generator cooperation generation second switch signal can be described as:
Timer according to the superposed positions of the osd information preset in screen background and OSD width information determination timing sequence, timing sequence be (T0, T1, T2 ..., Tn).Timing sequence (T0, T1, T2,, Tn) determination mode can be: after supposing pre-determined synchronization duration T0, start to superpose osd information, the duration that first OSD point set width is corresponding is T1, and after interval T 2, the next OSD point set width of superposition, goes down by that analogy.It should be noted that, T0, T1, T2 ..., superposed positions in screen background of the value of Tn and the osd information preset and OSD width information relevant, it can carry out setting and adjusting according to the actual requirements.
After the timing sequence of timer is determined, timer is opened, and starts timing.After the timing of timer arrives the first timing section in timing sequence, timeing closing device, trigger signal generator generates second switch signal, and the signal value of second switch signal is " 1 ", namely signal generator switches the signal value of a second switch signal, is switched to " 1 " by the signal value of second switch signal from " 0 ".
After signal generator switches the signal value of second switch signal, timer reloads second timing section in timing sequence, and opening timing device starts timing again.After the timing of timer arrives second timing section in timing sequence, timeing closing device, trigger signal generator generates second switch signal, and the signal value of second switch signal is " 0 ", namely signal generator switches the signal value of a second switch signal, is switched to " 0 " by the signal value of second switch signal from " 1 ".
Repeat said process, till the timing section in timing sequence has all loaded.Control second switch 14 by second switch signal and selectivity can export target pixel points or source image vegetarian refreshments.
Because in analog video signal, every all has corresponding field sync signal and line synchronizing signal to be used as time reference with each row of data.With row data instance, contain the data point of all N-th row videos composition between N number of line synchronizing signal and N+1 line synchronizing signal the, wherein, N is in effective range.The screen adjustment device of this embodiment is by the timing sequence of control timer, trigger signal generator generates second switch signal, and then control second switch 14 in particular row or specified point output target pixel points, and according to the first sample parameter, Drazin inverse is carried out to target pixel points.OSD menu section dot matrix color and brightness in correlation technique can be solved single by the screen adjustment device of this embodiment, cause OSD menu and screen background display comparison degree lower, not easily read the technical matters of OSD menu content, can realize improving screen background and OSD display comparison degree, improve the technique effect of OSD display resolution.
Fig. 2 is the schematic diagram of a kind of optional screen adjustment device according to the utility model embodiment, screen adjustment device shown in Fig. 2 can as a kind of preferred embodiment of the device of screen adjustment shown in Fig. 1, as shown in Figure 2, this screen adjustment device is except comprising comparer 10, first switch 12 and second switch 14, also comprise: the first sampling unit 16, be connected with comparer 10, for providing reference parameter to comparer 10; Second sampling unit 18, is connected with the first switch 12, for providing sample parameter collection to the first switch 12; Extraction element 100, is connected with comparer, for extracting the display parameter of target pixel points and target pixel points from analog video signal, and sends it to comparer 10; Timer 112 is connected with signal generator 114, for timing; The first end of signal generator 114 is connected with timer, for the time indicated by timer 112 to predetermined amount of time time, send second switch signal, second switch 14 is connected with the second end of signal generator 114, when receiving second switch signal, select target pixel also carries out Drazin inverse to target pixel points.
Utilize the screen adjustment device in the utility model embodiment according to the brightness of screen background automatic brightness adjustment OSD menu, and then raising OSD menu and screen background display comparison degree can be reached, improve OSD menu sharpness, so that the technique effect read.
Fig. 3 is the schematic diagram according to the optional screen adjustment device of the another kind of the utility model embodiment, and as shown in Figure 3, this screen adjustment device comprises:
Comparer 10, the amplitude of vision signal and the size of datum on comparison object pixel, when the amplitude of vision signal is greater than datum in target pixel points, export the first signal value, when the amplitude of vision signal is less than datum in target pixel points, export secondary signal value.
First switch 12, is connected with comparer 10, for exporting black level when comparer 10 exports the first signal value, exports white level when comparer exports secondary signal value.
Second switch 14, is connected with the first switch 12, for selecting target pixel points from screen background, and regulates the brightness of target pixel points according to output level (black level or white level).
The pixel that target pixel points in this embodiment covers for the information be superimposed upon in screen background, herein, screen background refers to analog image background, the information be superimposed upon in screen background refers to osd information, osd information mainly comprises screen background image, OSD content and control information, and this control information mainly comprises the superposed positions of osd information in screen background.It should be noted that, the superposed positions of osd information in screen background can set according to the actual requirements, and the superposed positions of osd information in screen background comprises all row that osd information covers on screen background figure, and the institute covered a little.
Alternatively, in target pixel points and target pixel points, the amplitude of vision signal can be extracted by extraction element and obtains from analog video signal.Extraction element is connected with comparer 10, is mainly used in extracting target pixel points from screen background, and the amplitude of vision signal in target pixel points is sent to comparer 10.Extraction element can obtain target pixel points according to the superposed positions of the osd information preset in screen background, by analyzing the picture signal of target pixel points, the amplitude of vision signal in target pixel points can be obtained, the brightness of target pixel points can represent by the amplitude of vision signal in target pixel points, wherein, amplitude is larger, and brightness is higher.
Alternatively, datum is what preset, for the level value compared with the amplitude of vision signal in target pixel points.Datum can be obtained by the first sample unit, and wherein, the first sample unit is connected with comparer 10, for providing datum to comparer.First sample unit automatically can generate a datum and be supplied to comparer 10, also the datum that user presets can be stored, and be supplied to comparer 10.The size of datum can carry out setting and adjusting according to the actual requirements, and herein, datum is preferably
(black level+white level), wherein, black level is 0V, and white level is 0.7V.
The input quantity of comparer 10 is respectively the amplitude of vision signal in datum and target pixel points, comparer 10 is for comparing the size of input quantity, namely compare the size of the amplitude of vision signal in datum and target pixel points, export the first switching signal according to comparative result.Comparer 10 is connected with the first switch 12, and output quantity first switching signal of comparer 10 can as the control signal of the first switch 12.The first switching signal in this embodiment is preferably step signal, and signal value comprises the first signal value " 1 " and secondary signal value " 0 ".Such as, in target pixel points, the amplitude of vision signal is V1, and datum is V0, and as V1>V0, the signal value of the first switching signal is the first signal value " 1 "; As V1≤V0, the signal value of the first switching signal is secondary signal value " 0 ".Or as V1>V0, the signal value of the first switching signal is secondary signal value " 0 "; As V1≤V0, the signal value of the first switching signal is the first signal value " 1 ".
Alternatively, the first switch 12 is simulation gating switch, and be preferably simulation two-way gating switch, namely the input gating amount of the first switch 12 is two, is respectively black level and white level.Black level and white level can be obtained by the second sample unit, and wherein, the second sample unit is connected with the first switch 12, for providing black level and white level to the first switch 12.
First switch 12 is connected with the output terminal of comparer 10, for receiving the first switching signal, first switching signal is the control signal of the first switch 12, first switch 12 selects output level according to the first switching signal from black level and white level, wherein, output level is used for regulating the brightness of target pixel points.Such as, when the first switching signal is the first signal value " 1 ", the first switch 12 exports black level; When the first switching signal is secondary signal value " 0 ", the first switch 12 exports white level, or when the first switching signal is the first signal value " 1 ", the first switch 12 exports white level; When the first switching signal is secondary signal value " 0 ", the first switch 12 exports black level.
Alternatively, second switch 14 is simulation gating switch, is preferably simulation three road gating switch, and input quantity is respectively analog video signal, the output level of the first switch 12 and second switch signal.Wherein, second switch signal is mainly used in controlling second switch 14 and selects to export target pixel points, and this target pixel points carries out Drazin inverse according to output level, namely second switch signal controls second switch 14 and exports target pixel points or output source pixel, source image vegetarian refreshments refers in screen background the pixel that the information be not superimposed in screen background covers, that is, source image vegetarian refreshments is the pixel in screen background except destination object point.
Alternatively, the screen adjustment device of this embodiment can also comprise: timer, and for carrying out timing, this timer may be used for controlling second switch 14 select target pixel, and regulates according to the brightness of output level to target pixel points.Particularly, second switch 14 is connected with timer, the time indicated by timer to predetermined amount of time time, select target pixel also regulates target pixel points brightness according to output level, wherein, predetermined amount of time is the time period needing to carry out target pixel points brightness regulation.The timing section of timer can comprise multiple time period, part-time section (such as preset time period) in multiple time period needs to export target pixel points, and according to output level, brightness regulation is carried out to target pixel points, all the other time periods need output source pixel, and do not need to regulate the brightness of source image vegetarian refreshments.
Alternatively, the screen adjustment device of this embodiment can also comprise: signal generator, is mainly used in generating second switch signal, utilizes second switch signal to control second switch 14.Particularly, the first end of signal generator is connected with timer, for the time indicated by timer to predetermined amount of time time, send second switch signal.Herein, timer is mainly used in trigger signal generator and generates second switch signal.Second end of signal generator is connected with second switch 14, when the time indicated by timer to predetermined amount of time time, trigger signal generator generates second switch signal, second switch 14 is when receiving second switch signal, select to export target pixel points, and according to output level (black level or white level), brightness regulation is carried out to target pixel points.
The screen adjustment device of this embodiment obtains second switch signal by timer and signal generator, second switch signal can control second switch 14 selectivity and export target pixel points or source image vegetarian refreshments, on this basis, when utilizing comparer 10 and the first switch 12 to can be implemented in output target pixel points, according to output level (black level or white level), brightness regulation is carried out to target pixel points, and then it is single to solve OSD menu section dot matrix color and brightness in correlation technique, cause OSD menu and screen background display comparison degree lower, not easily read the technical matters of OSD menu content, reach and improve screen background and OSD display comparison degree, improve the technique effect of OSD display resolution.
Alternatively, the control signal of second switch 14, namely superposed positions in screen background of second switch signal and the osd information preset and OSD width information relevant.Second switch signal can be step signal, and signal value comprises: the first signal value " 1 " and secondary signal value " 0 ", and the initial default value of second switch signal is " 0 ".When the signal value of second switch signal is the first signal value " 1 ", second switch 14 is selected to export target pixel points, and carries out brightness regulation according to output level to target pixel points; When the signal value of second switch signal is secondary signal value " 0 ", second switch 14 selects output source pixel.Particularly, the process of timer and signal generator cooperation generation second switch signal can be described as:
Timer according to the superposed positions of the osd information preset in screen background and OSD width information determination timing sequence, timing sequence be (T0, T1, T2 ..., Tn).Timing sequence (T0, T1, T2,, Tn) determination mode can be: after supposing pre-determined synchronization duration T0, start to superpose osd information, the duration that first OSD point set width is corresponding is T1, and after interval T 2, the next OSD point set width of superposition, goes down by that analogy.It should be noted that, T0, T1, T2 ..., superposed positions in screen background of the value of Tn and the osd information preset and OSD width information relevant, it can carry out setting and adjusting according to the actual requirements.
After the timing sequence of timer is determined, timer is opened, and starts timing.After the timing of timer arrives the first timing section in timing sequence, timeing closing device, trigger signal generator generates second switch signal, and the signal value of second switch signal is " 1 ", namely signal generator switches the signal value of a second switch signal, is switched to " 1 " by the signal value of second switch signal from " 0 ".
After signal generator switches the signal value of second switch signal, timer reloads second timing section in timing sequence, and opening timing device starts timing again.After the timing of timer arrives second timing section in timing sequence, timeing closing device, trigger signal generator generates second switch signal, and the signal value of second switch signal is " 0 ", namely signal generator switches the signal value of a second switch signal, is switched to " 0 " by the signal value of second switch signal from " 1 ".
Repeat said process, till the timing section in timing sequence has all loaded.Control second switch 14 by second switch signal and selectivity can export target pixel points or source image vegetarian refreshments.
The screen adjustment device of this embodiment is by the timing sequence of control timer, trigger signal generator generates second switch signal, and then control second switch 14 in particular row or specified point output target pixel points, and by extracting the amplitude of vision signal in the target pixel points that covers of osd information, contrast with datum, the brightness of target pixel points is regulated according to comparative result, can realize according to screen background automatic brightness adjustment OSD brightness, and then it is single to solve OSD menu section dot matrix color and brightness in correlation technique, cause OSD menu and screen background display comparison degree lower, not easily read the technical matters of OSD menu content, achieve and improve screen background and OSD display comparison degree, improve the technique effect of OSD display resolution, improve user's experience.
It should be noted that, utilize the screen adjustment device in the utility model embodiment also automatically can regulate the color saturation of OSD menu according to screen color saturation degree, and then realize increasing OSD menu and screen background display comparison degree, improve OSD menu sharpness, so that the technique effect read.The screen adjustment device in the utility model embodiment is utilized automatically to regulate the color saturation of OSD menu according to screen color saturation degree, need to replace with reference gray level value with reference to parameter, sample parameter collection is replaced with black and white, from analog video signal, the gray-scale value of target pixel points is extracted by extraction element, by gray-scale value and the reference gray level value of comparer comparison object pixel, the first switching signal is generated according to comparative result, utilize the first switching signal to control the first switch and select output black or white, then utilize second switch signal to control second switch to select to export target pixel points, and according to output color (black or white), the color saturation of target pixel points is regulated.Utilize the screen adjustment device in the utility model embodiment automatically regulate the color saturation of OSD menu according to screen color saturation degree and utilize the screen adjustment device in the utility model embodiment similar according to the process of the brightness of screen background automatic brightness adjustment OSD menu, repeat no more herein.
According to the utility model embodiment, additionally provide a kind of display embodiment.Fig. 4 is the schematic diagram of the display according to the utility model embodiment, and as shown in Figure 4, this display 40 can comprise any one screen adjustment device 401 in the utility model embodiment.Be described in detail in the above-described embodiments about screen adjustment device, repeat no more herein.This display can comprise video monitoring equipment display, computer monitor, television indicator etc.Add any one screen adjustment device in the utility model embodiment in the display, the display comparison degree of indicator screen background and OSD can be improved, improve OSD content display resolution in display, be convenient to read, and then drastically increase user's experience.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
In above-described embodiment of the present utility model, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a screen adjustment device, is characterized in that, comprising:
Comparer, for the display parameter of comparison object pixel and the size of reference parameter, and exports the first switching signal, wherein, and the pixel that described target pixel points covers for the information be superimposed upon in screen background;
First switch, for receiving and concentrating selection output first sample parameter according to described first switching signal from sample parameter, wherein, described first sample parameter is used for regulating the display of described target pixel points; And
Second switch, for selecting described target pixel points from described screen background, and carries out Drazin inverse according to described first sample parameter to described target pixel points.
2. device according to claim 1, is characterized in that,
Described device also comprises: timer, for carrying out timing;
Described second switch, be connected with described timer, for the time indicated by described timer to predetermined amount of time time, select described target pixel points and Drazin inverse is carried out to described target pixel points, wherein, described predetermined amount of time is the time period needing to carry out described target pixel points Drazin inverse.
3. device according to claim 2, is characterized in that,
Described device also comprises: signal generator, and the first end of described signal generator is connected with described timer, for the time indicated by described timer to described predetermined amount of time time, send second switch signal;
Described second switch, is connected with the second end of described signal generator, when receiving described second switch signal, selecting described target pixel points and carrying out Drazin inverse to described target pixel points.
4. device according to claim 1, is characterized in that, described device also comprises:
First sample unit, is connected with described comparer, for providing described reference parameter to described comparer; And
Second sample unit, is connected with described first switch, for providing described sample parameter collection to described first switch.
5. device according to claim 1, is characterized in that,
Described comparer, the amplitude of vision signal and the size of datum in more described target pixel points, when in described target pixel points, the amplitude of vision signal is greater than described datum, export the first signal value, when the amplitude of vision signal is less than described datum in described target pixel points, export secondary signal value.
6. device according to claim 5, is characterized in that,
Described first switch, for exporting black level when described comparer exports described first signal value, exports white level when described comparer exports described secondary signal value.
7. device according to claim 1, is characterized in that, described device also comprises:
Extraction element, is connected with described comparer, for extracting described target pixel points from described screen background, and described target pixel points is sent to described comparer.
8. device according to any one of claim 1 to 7, is characterized in that, described first switch is simulation gating switch.
9. device according to claim 8, is characterized in that, described second switch is simulation gating switch.
10. a display, is characterized in that, comprises the screen adjustment device described in any one of claim 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520785276.5U CN205050541U (en) | 2015-10-10 | 2015-10-10 | Screen adjusting device and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520785276.5U CN205050541U (en) | 2015-10-10 | 2015-10-10 | Screen adjusting device and display |
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| CN205050541U true CN205050541U (en) | 2016-02-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807601A (en) * | 2016-03-10 | 2016-07-27 | 北京小鸟看看科技有限公司 | Method and system for testing virtual reality equipment delay |
| CN111367602A (en) * | 2020-02-25 | 2020-07-03 | 京东方科技集团股份有限公司 | Image fusion method and device and display device |
| CN112748834A (en) * | 2019-10-31 | 2021-05-04 | 京东方科技集团股份有限公司 | Display method, display device, electronic equipment and storage medium |
-
2015
- 2015-10-10 CN CN201520785276.5U patent/CN205050541U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807601A (en) * | 2016-03-10 | 2016-07-27 | 北京小鸟看看科技有限公司 | Method and system for testing virtual reality equipment delay |
| CN112748834A (en) * | 2019-10-31 | 2021-05-04 | 京东方科技集团股份有限公司 | Display method, display device, electronic equipment and storage medium |
| US11921976B2 (en) | 2019-10-31 | 2024-03-05 | Boe Technology Group Co., Ltd. | Display method, displaying device, electronic apparatus, and storage medium |
| CN111367602A (en) * | 2020-02-25 | 2020-07-03 | 京东方科技集团股份有限公司 | Image fusion method and device and display device |
| CN111367602B (en) * | 2020-02-25 | 2023-12-01 | 京东方科技集团股份有限公司 | Image fusion method and device and display device |
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