CN102221954B - Zooming displayer as well as electronic device comprising same and zoom displaying method - Google Patents
Zooming displayer as well as electronic device comprising same and zoom displaying method Download PDFInfo
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Abstract
The invention provides a zooming displayer as well as an electronic device comprising the same and a zoom displaying method. The zooming displayer comprises a display unit, an acquisition unit, a processing unit and a control unit, wherein the display unit is used for displaying information; the acquisition unit respectively acquires the reference positions and size parameters of a plurality of illumination areas on the display unit; the processing unit determines zooming reference points and zooming times according to the reference positions and dimension parameters of two illumination areas in the plurality of illumination areas; and the control unit controls the display unit to implement zooming display on information according to the determined zooming reference points and the determined zooming times. The zooming display can be realized through a non-contact way, and the zooming areas and the zooming times are calculated through the simpler geometrical and optical principles, so that the cost is lower, the environment influence is less, and the operation of a user is simple and convenient.
Description
Technical field
The application relates to Zoom display device and comprises electronic equipment and the Zoom display method of this Zoom display device.
Background technology
Information such as image, text can be presented in the electronic equipment on screen, can allow carry out the amplification demonstration of specific factor or dwindle demonstration showing the specific region of information according to user's instruction.At present, mainly can identify user by two kinds of modes and the information showing on screen be carried out to the instruction of zoom operations, that is, and contact and contactless.
In contact zoom operations, the operations such as the click that generally can carry out on screen panel such as felt pen or finger etc. by the sense of touch component detection arranging in screen or slip, then by controller, according to pre-defined algorithm, calculate the information area of zoom in/out corresponding with the click detecting or slide and the multiple of zoom in/out, thereby by information display module, information is amplified demonstration or dwindled demonstration.
In contactless zoom operations, a kind of existing scheme is the two or more cameras that are spaced from each other a distance can be set on electronic equipment and catch the user action such as gesture etc.The user action information that camera is caught process and target identification after, computing module can be set up three-dimensional coordinate, then by calculating, obtain the information area of zoom in/out and the multiple of zoom in/out, thereby by information display module, information is amplified demonstration or dwindled demonstration.But, because this scheme need to arrange extra camera, thereby take larger space; In addition, this scheme can be subject to larger environmental impact, and this is because carrying out information capture by camera also needs the environment relatively becoming clear.
The another kind of scheme Shi You Apple of contactless zoom operations (Apple Inc.) proposes, and by infrared ray sensing method perception user's action, thereby realizes the Zoom display of the information on the screen corresponding with user's action.For example, can be on LCD panel integrated comprise infrared transmitter and infrared receiver near sensor, wherein, infrared transmitter can be sent infrared radiation, infrared receiver can receive by the infrared radiation of the reflections such as user's finger, palm.By computing module, near the detection data of sensor are calculated and obtained the information area of zoom in/out and the multiple of zoom in/out, thereby by information display module, information is amplified demonstration or dwindled demonstration.But this scheme can be subject to larger environmental impact equally, for example, if environment is moister, because water vapour can absorb infrared ray, can make infrared reflection compared with weak and affect working effect.
Summary of the invention
The application's object is to provide a kind of electronic equipment and the Zoom display method that at least can partly improve the Zoom display device of above-mentioned defect of the prior art and comprise this Zoom display device.
According to the application's first aspect, a kind of Zoom display device has been proposed, can comprise: display unit, for demonstration information; Acquiring unit, obtains respectively reference position and the dimensional parameters of a plurality of irradiation areas on described display unit; Processing unit, according to reference position and the dimensional parameters of two irradiation areas in described a plurality of irradiation areas, determines scaled reference point and convergent-divergent multiple; And control module, according to determined scaled reference point and convergent-divergent multiple, control described display unit described information is carried out to Zoom display.
According to the application on the other hand, a kind of electronic equipment that comprises above-mentioned Zoom display device has been proposed.
According to the application's another aspect, a kind of Zoom display method has been proposed, can comprise: obtain respectively for showing reference position and the dimensional parameters of a plurality of irradiation areas on the display unit of information; According to reference position and the dimensional parameters of two irradiation areas in described a plurality of irradiation areas, determine scaled reference point and convergent-divergent multiple; And according to determined scaled reference point and convergent-divergent multiple, control described display unit described information is carried out to Zoom display.
In above-mentioned Zoom display device, the electronic equipment that comprises this device and Zoom display method, in non-contacting mode, realize the Zoom display of information, by better simply geometry and optical principle, calculate region and the convergent-divergent multiple of wanting convergent-divergent, cost is lower and affected by environment less, simple and convenient user operation.
Accompanying drawing explanation
Fig. 1 is according to the block diagram of the Zoom display device of an embodiment of the application;
Fig. 2 is according to the block diagram of the Zoom display device of another embodiment of the application;
Fig. 3 is the schematic diagram illustrating according to the detection components configuration of a specific embodiment;
Fig. 4 is according to the block diagram of the Zoom display device of the another embodiment of the application;
Fig. 5 is according to the schematic diagram of the luminescent device of a specific embodiment;
Fig. 6 is according to the schematic diagram of the detection components of a specific embodiment;
Fig. 7 is according to the application's block diagram of the Zoom display device of an embodiment again;
Fig. 8 is according to the process flow diagram of the Zoom display method of an embodiment of the application; And
Fig. 9 is according to the process flow diagram of the Zoom display method of another embodiment of the application;
Embodiment
With reference to the accompanying drawings, being elaborated to the application.For simplicity's sake, in the explanation of each embodiment of the application, same or similar device or step represent with same or analogous Reference numeral.
Fig. 1 shows according to the Zoom display device of an embodiment of the application's first aspect.As shown in Figure 1, Zoom display device 1 comprises display unit 10, acquiring unit 20, processing unit 30 and control module 40.
By the Zoom display device shown in Fig. 1, can be according to a plurality of irradiation areas with variable position and size that repeatedly form on display unit 10, obtain carrying out particular location and the convergent-divergent multiple of the information of Zoom display, thereby in non-contacting mode, realize the Zoom display of information.Be appreciated that and can to display unit 10, irradiate by the various devices that can send light beam, form the irradiation area of position and size variation, to realize the Zoom display to information on display unit 10.
Next with reference to Fig. 2, describe in detail according to the Zoom display device of a specific embodiments of the application.
In Zoom display device 1 ' as shown in Figure 2, in order to obtain reference position and the dimensional parameters of a plurality of irradiation areas on display unit 10, acquiring unit 20 ' can comprise can export in response to the irradiation area forming on display unit 10 detection components 22 of corresponding detection signals, thereby the irradiation area of display unit 10 is detected.Acquiring unit 20 ' shown in Fig. 2 also can comprise computing module 24, can, according to the detection signal of detection components 22 outputs, calculate reference position and the dimensional parameters of each irradiation area.
According to this specific embodiments of the application, detection components can be a plurality of sensor devices in display unit with matrix arrangement, and these sensor devices are exportable detection signal when receiving light signal, for example electric signal.A plurality of sensor devices in detection components can be well known in the art can be in response to the device of light signal output detection signal, such as light sensitive diode, CMOS or CCD photo-sensitive cell etc.
Be appreciated that such as screen etc. for showing that the display unit of information can comprise multilayer conventionally, can in display unit can receive one deck of external optical signals, a plurality of sensor devices be set, make these sensor devices be arranged as the matrix that comprises multiple lines and multiple rows.In this case, for on display unit because of the formed irradiation area of illumination, owing to being arranged in the part in this irradiation area in a plurality of sensor devices of multiple lines and multiple rows matrix, can receive light signal and output detection signal, the sensor devices in this irradiation area can not exported without detection signal because receiving light signal.Therefore, residing position can be corresponding to certain specific irradiation area in matrix for a plurality of sensor devices of output detection signal.Certainly it will be appreciated by those skilled in the art that, due to ambient light effects, even if the sensor devices not in irradiation area also may produce detection signal, therefore, described above have, can be for certain specific threshold value without the output of detection signal, in the time of can being greater than this threshold value at the detection signal of certain sensor devices, just thinking that this sensor devices exported detection signal, otherwise think and export without detection signal.
Below with reference to Fig. 3, describe in detail according to the configuration of the detection components of a specific embodiment.Shown in Fig. 3 is sensor devices to be arranged as to the matrix of 15 row 15 row, and distance all equates between horizontal and vertical any two adjacent sensor devices.Circle in Fig. 3 represents sensor devices.Sensor devices can be arranged in the rectangular coordinate system shown in Fig. 3 (being called in this application " sensor devices coordinate system "), the initial point of this coordinate system is positioned at the display unit upper left corner, direction to the right shown in figure is the positive dirction of transverse axis or X-axis, shown in figure, downward direction is the positive dirction of the longitudinal axis or Y-axis, and the equidistant from distance that any two adjacent sensor devices have in X-axis or Y direction can be set to the unit length of X-axis in this coordinate system or Y-axis.Like this, for the sensor devices that is arranged on the capable x of y row, its coordinate figure is (y, x), below is expressed as D (y, x).Be appreciated that for the display unit of for example screen, its each display pixel also all can have corresponding coordinate figure in this rectangular coordinate system.
Be appreciated that spacing that a plurality of sensor devices also can be arranged in X direction and spacing at y direction are not etc.Although the sensor devices coordinate system shown in Fig. 3 is that to take the spacing of transverse axis or adjacent two sensor devices of y direction be unit length, but those skilled in the art also can arrange other unit length, for example, in the situation that display unit is screen, display pixel that can screen is set to unit length in the spacing of transverse axis or y direction.
In certain particular moment, on display unit, be formed with irradiation region, with the part in a plurality of sensor devices of matrix arrangement, can receive light signal and output detection signal.After the coordinate figure of sensor devices that obtains these output detection signals, computing module can be according to transverse axis coordinate figure minimum and maximum and ordinate of orthogonal axes be worth the coordinate figure of minimum and maximum sensor devices, calculate reference position and the dimensional parameters of irradiation area.
As a concrete example, the reference position of irradiation area can be such point, the abscissa value of this point is the maximum in all coordinate figures of sensor devices of output detection signal, the mean value of minimum abscissa value, and the ordinate value of this point is the maximum in all coordinate figures of sensor devices of output detection signal, the mean value of minimum ordinate value.As a concrete example, the dimensional parameters of irradiation area can be the product of the difference of the maximum in all coordinate figures of sensor devices of output detection signal, minimum abscissa value and the difference of maximum, minimum ordinate value.Certainly those skilled in the art also can be according to the detection signal of output, according to other predetermined algorithms, according to the coordinate figure of the sensor devices of output detection signal, determine reference position and the dimensional parameters of irradiation area, as long as determined reference position and dimensional parameters can reflect the position of irradiation area and big or small variation to a certain extent.
According to the application specific embodiment, after acquiring unit has obtained respectively the reference position and dimensional parameters of a plurality of irradiation areas on display unit, processing unit 30 can be defined as convergent-divergent multiple with the ratio of the dimensional parameters of the irradiation area formerly forming by the dimensional parameters at the irradiation area of rear formation in two irradiation areas wherein; One of them of the reference position of two irradiation areas can be defined as to scaled reference point, or can be defined as scaled reference point by take the central point of the line segment that the reference position of these two irradiation areas is end points.Be appreciated that, by corresponding respectively to change in location and the size variation of two irradiation areas with the definite scaled reference point of upper type and convergent-divergent multiple, like this, the information scaling that can control display unit by change in location and the size variation of irradiation area shows.Certainly, cited is only example here, and those skilled in the art easily expect that other mode determines scaled reference point and convergent-divergent multiple according to the reference position of two irradiation areas and dimensional parameters.
After having obtained scaled reference point and convergent-divergent multiple, can control 10 pairs of information of display unit by control module 40 and carry out Zoom display.Due to specific scaled reference point, according to certain convergent-divergent multiple, it is known in the field that information is carried out to Zoom display, is therefore not described in detail.
Below with reference to Fig. 4, describe according to the Zoom display device of another embodiment of the application's first aspect.
Although the Zoom display device in the present embodiment comprises the luminescent device that can send conical shaped beam, but it should be appreciated by those skilled in the art that also and can irradiate display unit so that form irradiation area on display unit with the luminescent device that can send other shape light beams.For example, can send for example luminescent device of the pyramid light beam of triangular pyramid, or the luminescent device that can send a plurality of cylindrical light beams with different bottom surfaces diameter all can be used as the luminescent device of the present embodiment.Be appreciated that in addition, also can adopt any existing luminescent device to irradiate display unit, as long as can form the irradiation area of size or position changeable on display unit, just can realize the Zoom display to information by the Zoom display device that comprises display unit 10, acquiring unit 20, processing unit 30 and control module 40.
In addition,, in the present embodiment, luminescent device can be and the device with independent power supply also can have common power supply with acquiring unit, convergent-divergent control module and display unit.
Below with reference to Fig. 5, describe in detail according to the structure of the luminescent device 50 of a specific embodiment of the application.
Fig. 5 shows a concrete example of luminescent device 50, can comprise light source 52, lens 54 and have the housing 56 of beam outlet 58.For the less impact that is subject to external environment, light source 52 can be active light source, for example, and the good active LASER Light Source of directivity.In addition, lens 54 can be arranged on the concavees lens between light source 52 and the beam outlet 58 of housing 56.As shown in Figure 2, the light beam that light source 52 sends sends from luminescent device 50 through lens 54 and beam outlet 58.Can arrange lens 54 and beam outlet 58, so that the light beam that luminescent device 50 sends has coniform shape.For example, can arrange lens 54 focal length and with the distance of light source 52 and the shape that the beam outlet 58 of housing 56 is set, make luminescent device 50 send conical shaped beam.Because above set-up mode is well-known to those skilled in the art, for briefly, the application is not to this detailed description.
It will be understood by those skilled in the art that when plane in the beam outlet 58 of luminescent device 50 is parallel with display unit, its conical shaped beam of sending is radiated on display unit and the irradiation area forming is circular.But if the plane of the beam outlet 58 of luminescent device 50 and display unit non-parallel but slightly during angle, its conical shaped beam of sending is radiated on display unit and the irradiation area forming is oval.Therefore owing to circle can being regarded as to oval-shaped a kind of special circumstances, following light beam irradiates of take luminescent device 50 forms elliptical irradiated area and describes as example on display unit.
Be appreciated that, in the irradiation of the conical shaped beam by luminescent device 50 and form elliptical irradiated area on display unit 10 in the situation that, can be using the center of this elliptical region as with reference to position, the major axis of this elliptical region and minor axis are as dimensional parameters, that is, acquiring unit 20 can obtain center and major axis and the minor axis of formed elliptical irradiated area.
Below with reference to Fig. 6, describe according to the application specific embodiment.As shown in Figure 6, in the detection components that comprises a plurality of sensor devices that are arranged to 15 row 15 column matrix, have 54 sensor devices can be in response to irradiation area output detection signal (sensor devices that represents exportable detection signal in this figure with empty circles).If be appreciated that the minimum x of being of transverse axis coordinate figure in these sensor devices
1, be x to the maximum
2, ordinate of orthogonal axes value minimum is y
1, be y to the maximum
2, with point (x
1, y
1) (x
2, y
1) (x
1, y
2) and (x
2, y
2) major axis and the minor axis that correspond respectively to oval irradiation area corresponding to the long limit of ，Gai rectangular area, center and the length of minor face of oval irradiation area for the center of the rectangular area on summit.In Fig. 6, the sensor devices of transverse axis coordinate figure minimum is D (4,6), D (4,7) and D (4,8), the sensor devices of transverse axis coordinate figure maximum is D (13,6), D (13,7) and D (13,8), the sensor devices of ordinate of orthogonal axes value minimum is D (7,4), D (8,4), D (9,4) and D (10,4), the sensor devices of ordinate of orthogonal axes value maximum is D (7,10), D (8,10), D (9,10) and D (10,10).Therefore, the central point that computing module can calculate oval irradiation area is a C (8.5,7), and major axis and minor axis are respectively 9 and 6.
As previously mentioned, because circle can be counted as oval-shaped special case, therefore, if the oval-shaped major axis calculating and minor axis are equal, can think that the irradiation area forming is circular on display unit.
For the accuracy detecting and the impact of avoiding surround lighting, the feature of sensor devices can match with the light source feature of luminescent device, for example, if the ruddiness of certain wavelength that the light source of luminescent device sends, sensor devices can be to be exclusively used in the light sensitive diode that detects this wavelength ruddiness.
Be appreciated that, luminescent device 50 be operating as and display unit between in distance generation continually varying process, its light beam formed irradiation area on display unit is also constantly to change, thereby the computing module 24 of acquiring unit 20 ' can, along with the variation of irradiation area, repeatedly calculate in the moment of a plurality of settings.As a specific embodiment, computing module 24 can, according to predefined interval time, calculate at the specific detection signal of constantly exporting according to detection components 22.For example, computing module 24 can calculating after detection components starts moment of output detection signal or this moment sometime for the first time, then once calculate (for example 0.2 second) at regular intervals, until detection components 22 is without detection signal output (that is, stopping the irradiation of the light beam of luminescent device to display unit).Be appreciated that and can in each result of calculation constantly, store computing module 24.
As mentioned above, center and major axis and the minor axis of two elliptical irradiated area that processing unit 30 can form according to twice irradiation display unit of conical shaped beam of the luminescent device obtaining from acquiring unit 20, determine scaled reference point and convergent-divergent multiple.
As a specific embodiment, processing unit 30 can be defined as scaled reference point by one of them of the center of two irradiation areas.Or as an optional embodiment, processing unit 30 can be also scaled reference point by another location positioning that is different from the center of two irradiation areas.For example,, if the center of two irradiation areas is respectively C
1(9.5,7) and C
2(10.5,8), can be by the center C of last irradiation area
1the center C of (9.5,7) or a rear irradiation area
2(10.5,8) as scaled reference point, or, can be by with C
1and C
2central point C for the line segment of end points
3(10,7.5) are as scaled reference point.
As a specific embodiment, processing unit 30 can be defined as convergent-divergent multiple with the irradiation area major axis formerly forming or the ratio of minor axis by the irradiation area major axis in rear formation or minor axis.As another specific embodiment, processing unit 30 can be defined as convergent-divergent multiple by the long-pending ratio of the long-pending long and short axle of irradiation area with formerly forming of the long and short axle of the irradiation area in rear formation.For example, before and after processing unit 30 obtains from acquiring unit 20, the major axis of the elliptical irradiated area of twice formation is respectively a
1and a
2, minor axis is respectively b
1and b
2situation under, (1) calculates convergent-divergent multiple A as follows:
A＝(a
2*b
2)/(a
1*b
1) (1)
It will be appreciated by those skilled in the art that, can be before definite scaled reference point and convergent-divergent multiple, first before and after judgement, whether the elliptical irradiated area of twice acquisition ratio of semi-minor axis length separately equates, to get rid of the area change of irradiation area, be not by the variable in distance between luminescent device 50 and display unit, but caused by the plane of the beam outlet 58 of the housing of luminescent device 50 and the variable angle between display unit.For this reason, in Zoom display system 1 as shown in Figure 7 " ' in, computing module 32, judge module 34 and determination module 36 can be further set in processing unit 30 '.Wherein, the elliptical irradiated area major axis of twice formation and the ratio of minor axis before and after computing module 32 can calculate respectively, judge module 34 can judge whether two elliptical irradiated area that computing module 32 calculates major axis separately equates with the ratio of minor axis, the judged result of judge module 34 be the two when equal, determination module 36 is just carried out corresponding operating and is obtained scaled reference point and convergent-divergent multiple according to the center of two elliptical irradiated area and major axis and minor axis.Certainly it should be noted, judge module 34 can be in the major axis of two elliptical irradiated area and the ratio approximately equal of minor axis but not while definitely equating, the judged result that the output major axis of two elliptical irradiated area and the ratio of minor axis equate, that is to say, even if the ratio of the major axis of two elliptical irradiated area and minor axis is difference but difference is less slightly, also can think that the major axis of these two elliptical irradiated area and the ratio of minor axis equate, and carry out further operation by determination module 36, determine scaled reference point and convergent-divergent multiple.Particularly, predeterminable ratio upper threshold and ratio Xiamen limit value, when the ratio of the ratio of major axis separately of two elliptical irradiated area and minor axis between the ratio of the ratio of major axis separately of two elliptical irradiated area and minor axis between between the upper and lower threshold value of ratio between the upper and lower threshold value of ratio, can think the ratio approximately equal of major axis with minor axis of these two elliptical irradiated area.Certainly, also predeterminable difference upper threshold and difference Xiamen limit value, when the difference of the ratio of major axis separately of two elliptical irradiated area and minor axis is between the upper and lower threshold value of default difference, can judge the ratio approximately equal of major axis with the minor axis of two elliptical irradiated area.
According to the application's second aspect, a kind of electronic equipment is provided, this electronic equipment can comprise Zoom display device as described above.Be appreciated that according to the electronic equipment of this one side of the application can be such as mobile terminal device, portable computer etc.
Below with reference to Fig. 8, describe in detail according to the Zoom display method of an embodiment of the application's third aspect.
As shown in Figure 8, in step 8002, can obtain respectively reference position and the dimensional parameters of a plurality of irradiation areas that form on display unit, wherein, as mentioned above, display unit can be for example screen, for showing various information thereon.Then in step 8004, can, according to reference position and the dimensional parameters of wherein two irradiation areas of a plurality of irradiation areas, determine scaled reference point and convergent-divergent multiple.In step 8006, can, according to determined scaled reference point and convergent-divergent multiple, control display unit information is carried out to Zoom display afterwards.
As shown in Figure 9 according in the Zoom display method of another embodiment, can be first in response to a plurality of irradiation area output detection signals (step 9002-1) on display unit, then according to exported detection signal, calculate reference position and the dimensional parameters (step 9002-2) of each irradiation area in a plurality of irradiation areas.Operable detection components is come in response to a plurality of irradiation area output detection signals on display unit, the concrete setting of having described in detail before this detection components can adopt.
In the method shown in Fig. 9, step 9004 and step 9006 are identical with step 8004 and step 8006 in the method shown in Fig. 8 respectively, repeat no more herein.
In step 8004 as shown in Figure 8 or step 9004 as shown in Figure 9, can, according to reference position and the dimensional parameters of wherein two irradiation areas of a plurality of irradiation areas, determine scaled reference point and convergent-divergent multiple.According to having described the reference position of irradiation area and the acquisition process of dimensional parameters in the Zoom display device of the application's first aspect in detail, omit detailed description here.According to a specific embodiments, can will in two irradiation areas, at the dimensional parameters of the irradiation area of rear formation and the ratio of the dimensional parameters of the irradiation area formerly forming, be defined as convergent-divergent multiple; One of them of the reference position of two irradiation areas can be defined as to scaled reference point, or can be defined as scaled reference point by take the central point of the line segment that the reference position of these two irradiation areas is end points.As mentioned above, because the reference position of irradiation area and dimensional parameters may be selected to be position and the Size dependence with this irradiation area, in other words, position and the change in size that can reflect a plurality of irradiation areas, therefore, by the definite scaled reference point of such mode and convergent-divergent multiple, can correspond respectively to change in location and the size variation of two irradiation areas, like this, the information scaling that can control display unit by change in location and the size variation of irradiation area shows.
Be appreciated that a plurality of irradiation areas on display unit can be irradiated and be formed by cone-shaped beam, or can form by thering is the cylindricality light beam irradiates of different bed-plate dimensions.
According to a specific embodiments, a plurality of irradiation areas on display unit can be that the irradiation by conical shaped beam forms.Be appreciated that the irradiation area forming is for circular or oval on display unit.As a specific embodiment, can adopt the luminescent device that can send conical shaped beam to irradiate display unit.Be appreciated that at this luminescent device and be operating as in the process with the variable in distance of display unit, on display unit, can be formed with the irradiation area of a plurality of positions and/or change in size.Like this, can, according to the variation of the position of irradiation area and size, to information, carry out corresponding Zoom display.In this specific embodiments, can obtain center and major axis and the minor axis of each elliptical irradiated area in a plurality of irradiation areas.Can adopt above to obtain center and major axis and the minor axis of elliptical irradiated area according to mentioned mode in the description of the Zoom display system of the application's first aspect, here in order briefly to repeat no more.
It will be appreciated by those skilled in the art that, can be before definite scaled reference point and convergent-divergent multiple, first before and after judgement, whether the ratio of semi-minor axis length separately of elliptical irradiated area of twice acquisition equates, to get rid of the size variation of irradiation area be by the variable angle between luminescent device and display unit but not variable in distance and this situation that causes.For example, the elliptical irradiated area major axis of twice formation and the ratio of minor axis before and after can calculating respectively, when judging two elliptical irradiated area major axis separately and equate with the ratio of minor axis, just carry out the step of determining scaled reference point and convergent-divergent multiple, otherwise, can calculate the ratio of the long and short axle of two other elliptical irradiated area, or can termination process.Similarly, can be in the major axis of two elliptical irradiated area and the ratio approximately equal of minor axis but not while definitely equating, think that the major axis of two elliptical irradiated area and the ratio of minor axis equate.Particularly, can adopt the mode of above-described default ratio or difference threshold value, judge whether approximately equal of the major axis of two elliptical irradiated area and the ratio of minor axis.
With reference to accompanying drawing, the application's exemplary embodiment is described above.The example that it should be appreciated by those skilled in the art that above-mentioned embodiment to be only used to the object of explanation and lift, rather than be used for limiting.Any modification of doing under all instructions in the application and claim protection domain, be equal to replacement etc., all should be included in the claimed scope of the application.
Claims (8)
1. a Zoom display device, comprising:
Display unit, for demonstration information;
Luminescent device, can send conical shaped beam and irradiate display unit, and and described display unit between distance can change, thereby on display unit, form the irradiation area of size or position changeable;
Acquiring unit, obtains respectively reference position and the dimensional parameters of a plurality of irradiation areas on described display unit;
Processing unit, according to reference position and the dimensional parameters of two irradiation areas in described a plurality of irradiation areas, determines scaled reference point and convergent-divergent multiple; And
Control module, according to determined scaled reference point and convergent-divergent multiple, controls described display unit described information is carried out to Zoom display,
Wherein, described acquiring unit obtains that described display unit is irradiated by described conical shaped beam and center and major axis and the minor axis of a plurality of elliptical irradiated area of forming, described processing unit further comprises: computing module, calculates respectively the major axis of two elliptical irradiated area in described a plurality of elliptical irradiated area and the ratio of minor axis; Judge module, judges whether the major axis of described two elliptical irradiated area and the ratio of minor axis equate; And determination module, when the judged result of described judge module is the major axis of described two elliptical irradiated area and the ratio of minor axis while equating, described determination module is determined scaled reference point and convergent-divergent multiple according to the center of described two elliptical irradiated area and major axis and minor axis.
2. device as claimed in claim 1, wherein, described acquiring unit comprises:
Detection components, in response to described a plurality of irradiation area output detection signals;
Computing module, according to exported detection signal, calculates each reference position and the dimensional parameters in described a plurality of irradiation area.
3. device as claimed in claim 2, wherein, described detection components is a plurality of sensor devices in described display unit with matrix arrangement.
4. device as claimed in claim 1, wherein, described convergent-divergent multiple is confirmed as in described two irradiation areas the ratio at the dimensional parameters of the dimensional parameters of the irradiation area of rear formation and the irradiation area that formerly forms, described scaled reference point be confirmed as described two irradiation areas reference position one of them or take the central point of the line segment that the reference position of described two irradiation areas is end points.
5. an electronic equipment, comprises the Zoom display device as described in aforementioned arbitrary claim.
6. a Zoom display method, comprising:
Obtain respectively for showing reference position and the dimensional parameters of a plurality of irradiation areas on the display unit of information;
According to reference position and the dimensional parameters of two irradiation areas in described a plurality of irradiation areas, determine scaled reference point and convergent-divergent multiple; And
According to determined scaled reference point and convergent-divergent multiple, control described display unit described information is carried out to Zoom display,
Wherein, by conical shaped beam, irradiate display unit, thereby on display unit, form the irradiation area of size or position changeable,
Wherein, obtain the reference position of described a plurality of irradiation areas and the step of dimensional parameters comprises: obtain center and major axis and the minor axis of oval-shaped described a plurality of irradiation areas,
The step of determining scaled reference point and convergent-divergent multiple further comprises:
Calculate respectively the major axis of two elliptical irradiated area and the ratio of minor axis in oval-shaped described a plurality of irradiation areas;
Judge whether the major axis of described two elliptical irradiated area and the ratio of minor axis equate; And
When the major axis of described two elliptical irradiated area and the ratio of minor axis equate, according to the center of described two elliptical irradiated area and major axis and minor axis, determine scaled reference point and convergent-divergent multiple.
7. method as claimed in claim 6, wherein, obtain the reference position of described a plurality of irradiation areas and the step of dimensional parameters comprises:
In response to described a plurality of irradiation areas, output detection signal; And
According to described detection signal, calculate each reference position and the dimensional parameters in described a plurality of irradiation area.
8. method as claimed in claim 6, wherein, determine that the step of scaled reference point and convergent-divergent multiple comprises:
To in described two irradiation areas, at the dimensional parameters of the irradiation area of rear formation and the ratio of the dimensional parameters of the irradiation area formerly forming, be defined as convergent-divergent multiple;
One of them of the reference position of described two irradiation areas is defined as to scaled reference point, or is defined as scaled reference point by take the central point of the line segment that the reference position of described two irradiation areas is end points.
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| CN107154030B (en) * | 2017-05-17 | 2023-06-09 | 腾讯科技（上海）有限公司 | Image processing method and device, electronic equipment and storage medium |
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| CN101052182A (en) * | 2007-03-27 | 2007-10-10 | 华为技术有限公司 | Method, device and terminal for realizing content display |
| CN101271678A (en) * | 2008-04-30 | 2008-09-24 | 深圳华为通信技术有限公司 | Screen font zooming method and terminal unit |
| CN101477785A (en) * | 2007-12-20 | 2009-07-08 | 统宝光电股份有限公司 | Image display system and incident light distribution sensing method, and display control method |
| CN101639753A (en) * | 2008-08-01 | 2010-02-03 | 鸿富锦精密工业（深圳）有限公司 | Electronic equipment with touch screen and aspect ratio adjusting method thereof |
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| CN101052182A (en) * | 2007-03-27 | 2007-10-10 | 华为技术有限公司 | Method, device and terminal for realizing content display |
| CN101477785A (en) * | 2007-12-20 | 2009-07-08 | 统宝光电股份有限公司 | Image display system and incident light distribution sensing method, and display control method |
| CN101271678A (en) * | 2008-04-30 | 2008-09-24 | 深圳华为通信技术有限公司 | Screen font zooming method and terminal unit |
| CN101639753A (en) * | 2008-08-01 | 2010-02-03 | 鸿富锦精密工业（深圳）有限公司 | Electronic equipment with touch screen and aspect ratio adjusting method thereof |
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