CN103679637A - Display unit coordinate setting method and device based on mosaic display wall signal window - Google Patents
Display unit coordinate setting method and device based on mosaic display wall signal window Download PDFInfo
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Abstract
The invention discloses a display unit coordinate setting method and device based on a mosaic display wall signal window. The method includes the steps: firstly, acquiring physical information of display units and mosaic display wall signal window information; secondly, calculating unit coordinates of each display unit according to a preset rule and the acquired information; finally, calculating window display coordinates and image shearing coordinates of each display unit according to a preset algorithm, the unit coordinates, the physical resolution of the units and the resolution of input signals. By the aid of the technology, the operation quantity of an internal controller of each display unit is reduced, windowing is accelerated, each display unit can obtain the window display coordinates and the image shearing coordinates of the unit without knowing line and column numbers, a hardware dial switch is omitted, hardware cost is reduced, the image shearing coordinates are calculated according to the unit coordinates, the physical resolution of the units and the resolution of the input signals, complexity of a calculation algorithm is reduced, floating-point operation is decreased, and operation accuracy is improved.
Description
Technical field
The present invention relates to spliced display wall technical field, particularly relate to a kind of display unit coordinate method to set up and device based on spliced display wall signal window.
Background technology
On spliced display wall, signal often shows in the mode of window, at the window that carries out need to showing each unit when signal is windowed, carries out coordinate setting, is mainly that window display position and image cut position are set.2*4 spliced display wall signal window, describes for 0-0 display unit as shown in Figure 1, as shown in Figure 2: 0-0 display unit needs reference position (X, Y) and width (W) and the height (H) of signalization window inner demonstration in unit; As shown in Figure 3: 0-0 display unit also needs the shearing reference position (X, Y) of signalization image and the width (W) of signal and height (H) simultaneously.Only in above-mentioned two parameters, correct rear signal is set and could realizes normal tiled display at each display unit.
Traditional display unit coordinate method to set up is to control software each display unit is issued to unified signal window coordinate (is whole spliced display wall signal window reference position, window height and width, here be referred to as system coordinates), each display unit is basis ranks number (position in spliced display wall) and relevant coordinate stitching algorithm separately again, calculates window displaing coordinate and the image cut coordinate of this unit.
Because display unit internal controller is all generally rudimentary CPU; coordinate stitching algorithm is more complicated; rudimentary CPU computation rate is slower; affect user's experience of windowing; its floating-point operation ability is poor simultaneously; easily there is error in floating-point operations a large amount of when windowing arbitrarily, often there will be splicing to lose a line, and image shows the problems such as imperfect.Each unit also needs to arrange by plucking number sign switch the ranks number of oneself simultaneously, increases hardware cost.
Summary of the invention
Based on above-mentioned situation, the present invention proposes a kind of display unit coordinate method to set up based on spliced display wall signal window, obtain quickly and accurately window displaing coordinate and the image cut coordinate of each display unit.
To achieve these goals, technical scheme of the present invention is:
A display unit coordinate method to set up based on spliced display wall signal window, comprises the following steps:
Obtain display unit physical message and spliced display wall signal window information, described display unit physical message comprises: the wide W1 of display unit and high H1, and described signal window information comprises: signal window origin coordinates (X1, Y1), the wide W2 of window and high H2;
According to the information of obtaining, according to pre-defined rule, calculate the unit coordinate (X2, Y2, W2, H2) of each display unit, wherein (X2, Y2) is the position coordinates of signal window in described each display unit;
According to the resolution (XR of described unit coordinate (X2, Y2, W2, H2), unit physical resolution (W1, H1) and input signal, YR), according to pre-defined algorithm, calculate window displaing coordinate (XS, YS, the WS of each display unit, HS) and image cut coordinate (XC, YC, WC, HC).
For prior art problem, the invention allows for a kind of display unit coordinate setting device based on spliced display wall signal window, accelerate to obtain window displaing coordinate and the image cut coordinate of each display unit, accuracy is high, is applicable to application.
Specific implementation is: a kind of display unit coordinate setting device based on spliced display wall signal window, comprising:
Acquisition of information module, be used for obtaining display unit physical message and spliced display wall signal window information, described display unit physical message comprises: the wide W1 of display unit and high H1, and described signal window information comprises: signal window origin coordinates (X1, Y1), the wide W2 of window and high H2;
Display unit computing module, for according to the information of obtaining, calculates the unit coordinate (X2, Y2, W2, H2) of each display unit according to pre-defined rule, wherein (X2, Y2) is the position coordinates of signal window in described each display unit;
Coordinate computing module, for according to described unit coordinate (X2, Y2, W2, H2), the resolution (XR of unit physical resolution (W1, H1) and input signal, YR), according to pre-defined algorithm, calculate window displaing coordinate (XS, YS, the WS of each display unit, HS) and image cut coordinate (XC, YC, WC, HC).
Compared with prior art, beneficial effect of the present invention is: the present invention is based on display unit coordinate method to set up, the device of spliced display wall signal window, first obtain display unit physical message and spliced display wall signal window information; Then according to the information of obtaining, according to pre-defined rule, calculate the unit coordinate of each display unit; Last according to the resolution of unit coordinate, unit physical resolution and input signal, according to pre-defined algorithm, calculate window displaing coordinate and the image cut coordinate of each display unit.Use after technology of the present invention, alleviate the operand of each display unit internal controller, improve the speed of windowing; Each display unit does not need to know the ranks number of oneself, just can obtain window displaing coordinate and the image cut coordinate of this unit, does not need to arrange hardware plucking number sign switch, reduces hardware cost; According to the resolution computed image of unit coordinate, unit physical resolution and input signal, shear coordinate, reduce the complexity of computational algorithm, reduce floating-point operation, promote operational precision.
Accompanying drawing explanation
Fig. 1 is 2 row 4 row spliced display wall signal window schematic diagram;
Fig. 2 is that in Fig. 1,0-0 display unit arranges window display position schematic diagram;
Fig. 3 is that in Fig. 1,0-0 display unit arranges image cut position view;
Fig. 4 is the schematic flow sheet of the display unit coordinate method to set up based on spliced display wall signal window in an embodiment;
Fig. 5 is the unit coordinate schematic diagram that calculates each display unit of 2 row 4 row spliced display wall signal windows in an embodiment;
Fig. 6 calculates the window displaing coordinate of display unit X-direction and the method flow schematic diagram of image cut coordinate in an embodiment;
Fig. 7 calculates the window displaing coordinate of display unit Y direction and the method flow schematic diagram of image cut coordinate in an embodiment;
Fig. 8 is the structural representation of the display unit coordinate setting device based on spliced display wall signal window in an embodiment.
Embodiment
For making object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that embodiment described herein, only in order to explain the present invention, does not limit protection scope of the present invention.
Display unit coordinate method to set up based on spliced display wall signal window in an embodiment, as shown in Figure 4, comprising:
Step S101: obtain display unit physical message and spliced display wall signal window information, described display unit physical message comprises: the wide W1 of display unit and high H1, described signal window information comprises: signal window origin coordinates (X1, Y1), the wide W2 of window and high H2;
Step S102: according to the information of obtaining, calculate the unit coordinate (X2, Y2, W2, H2) of each display unit according to pre-defined rule, wherein (X2, Y2) is the position coordinates of signal window in described each display unit;
Step S103: according to described unit coordinate (X2, Y2, W2, H2), unit physical resolution (W1, H1) and the resolution (XR, YR) of input signal, according to pre-defined algorithm, calculate the window displaing coordinate (XS of each display unit, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC).
Known from the above description, this method alleviates the operand of display unit internal controller, and the speed of windowing is fast, accuracy is high.
In order to understand better the present invention, below elaborate an application example of the present invention:
As an embodiment, described pre-defined rule in step S102 is: the reference position of described unit coordinate adopts the reference position of spliced display wall signal window, it is reference coordinate initial point that reference point be take the upper left corner of each display unit, it is to the right X-axis positive dirction, be Y-axis positive dirction downwards, as shown in Figure 5, in an embodiment, calculate the unit coordinate of each display unit of 2 row 4 row spliced display wall signal windows, display unit wide 1400 and high by 1050, signal window reference position coordinate (800,400), window wide 4200 and high by 1050.
Unit coordinate had both comprised that each window, at reference position, width and the height of display unit inside, comprised again whole window width and height.
Because signal window can be opened the left side at this display unit, so XY can just can bear in unit coordinate.
The unit coordinate of each display unit calculating is as follows:
The unit coordinate of 0-0 is (+800 ,+400,4200,1050);
The unit coordinate of 0-1 is (600 ,+400,4200,1050);
The unit coordinate of 0-2 is (2000 ,+400,4200,1050);
The unit coordinate of 0-3 is (3400 ,+400,4200,1050);
The unit coordinate of 1-0 is (+800 ,-650,4200,1050);
The unit coordinate of 1-1 is (600 ,-650,4200,1050);
The unit coordinate of 1-2 is (2000 ,-650,4200,1050);
The unit coordinate of 1-3 is (3400 ,-650,4200,1050).
As an embodiment, described pre-defined rule in step S102 is: the reference position of described unit coordinate adopts the reference position of spliced display wall signal window, it is reference coordinate initial point that reference point be take the upper left corner of each display unit, is left X-axis positive dirction, is upwards Y-axis positive dirction.
Do not get rid of Else Rule in addition.
As an embodiment, the described pre-defined algorithm in step S103 is: X-direction, described unit coordinate (X2, Y2, W2, H2), the resolution (XR of unit physical resolution (W1, H1) and input signal, YR) X2>0 in, X2+W2≤W1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=X2, XC=0, WS=W2, WC=XR;
Described unit coordinate (X2, Y2, W2, H2), X2>0 in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, X2+W2>W1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=X2, XC=0, WS=W1-X2, WC=(W1-XS)/(W2/XR);
Described unit coordinate (X2, Y2, W2, H2), X2≤0 ∣ X2 ∣+W1≤W2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=0, XC=X2/ (W2/XR), WS=W1, WC=W1/ (W2/XR);
Described unit coordinate (X2, Y2, W2, H2), X2≤0 ∣ X2 ∣+W1>W2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=0, XC=X2/ (W2/XR), WS=W2-|X2|, WC=W2-|X2|/(W2/XR), as shown in Figure 6.
As an embodiment, the described pre-defined algorithm in step S103 is: Y direction, described unit coordinate (X2, Y2, W2, H2), the resolution (XR of unit physical resolution (W1, H1) and input signal, YR) Y2>0 in, Y2+H2≤H1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=Y2, YC=0, HS=H2, HC=YR;
Described unit coordinate (X2, Y2, W2, H2), Y2>0 in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, Y2+H2>H1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=Y2, YC=0, HS=H1-Y2, HC=(H1-YS)/(H2/YR);
Described unit coordinate (X2, Y2, W2, H2), Y2≤0 ∣ Y2 ∣+H1≤H2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=0, YC=Y2/ (H2/YR), HS=H1, HC=H1/ (H2/YR);
Described unit coordinate (X2, Y2, W2, H2), Y2≤0 ∣ Y2 ∣+H1>H2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=0, YC=Y2/ (H2/YR), HS=H2-|Y2|, HC=H2-|Y2|/(H2/YR), as shown in Figure 7.
Do not get rid of other algorithm in addition.
Display unit coordinate setting device based on spliced display wall signal window in an embodiment, as shown in Figure 8, comprising:
Acquisition of information module, be used for obtaining display unit physical message and spliced display wall signal window information, described display unit physical message comprises: the wide W1 of display unit and high H1, and described signal window information comprises: signal window origin coordinates (X1, Y1), the wide W2 of window and high H2;
Display unit computing module, for according to the information of obtaining, calculates the unit coordinate (X2, Y2, W2, H2) of each display unit according to pre-defined rule, wherein (X2, Y2) is the position coordinates of signal window in described each display unit;
Coordinate computing module, for according to described unit coordinate (X2, Y2, W2, H2), the resolution (XR of unit physical resolution (W1, H1) and input signal, YR), according to pre-defined algorithm, calculate window displaing coordinate (XS, YS, the WS of each display unit, HS) and image cut coordinate (XC, YC, WC, HC).
As shown in Figure 8, this preferred embodiment of installing each module annexation is: acquisition of information module, display unit computing module and coordinate computing module are linked in sequence successively.
First adopt acquisition of information module to obtain display unit physical message and spliced display wall signal window information; Then by display unit computing module according to the information obtained, calculate the unit coordinate of each display unit; Finally utilize coordinate computing module according to the resolution of unit coordinate, unit physical resolution and input signal, calculate window displaing coordinate and the image cut coordinate of each display unit, this device obtains window displaing coordinate and the image cut coordinate of each display unit quickly and accurately, is applicable to application.
As an embodiment preferably, described pre-defined rule is: the reference position of described unit coordinate adopts the reference position of spliced display wall signal window, it is reference coordinate initial point that reference point be take the upper left corner of each display unit, is to the right X-axis positive dirction, is downwards Y-axis positive dirction.
As an embodiment preferably, described pre-defined rule is: the reference position of described unit coordinate adopts the reference position of spliced display wall signal window, it is reference coordinate initial point that reference point be take the upper left corner of each display unit, is left X-axis positive dirction, is upwards Y-axis positive dirction.
Do not get rid of Else Rule in addition.
As an embodiment preferably, described pre-defined algorithm is: X-direction, described unit coordinate (X2, Y2, W2, H2), the resolution (XR of unit physical resolution (W1, H1) and input signal, YR) X2>0 in, X2+W2≤W1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=X2, XC=0, WS=W2, WC=XR;
Described unit coordinate (X2, Y2, W2, H2), X2>0 in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, X2+W2>W1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=X2, XC=0, WS=W1-X2, WC=(W1-XS)/(W2/XR);
Described unit coordinate (X2, Y2, W2, H2), X2≤0 ∣ X2 ∣+W1≤W2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=0, XC=X2/ (W2/XR), WS=W1, WC=W1/ (W2/XR);
Described unit coordinate (X2, Y2, W2, H2), X2≤0 ∣ X2 ∣+W1>W2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=0, XC=X2/ (W2/XR), WS=W2-|X2|, WC=W2-|X2|/(W2/XR).
As an embodiment preferably, described pre-defined algorithm is: Y direction, described unit coordinate (X2, Y2, W2, H2), the resolution (XR of unit physical resolution (W1, H1) and input signal, YR) Y2>0 in, Y2+H2≤H1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=Y2, YC=0, HS=H2, HC=YR;
Described unit coordinate (X2, Y2, W2, H2), Y2>0 in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, Y2+H2>H1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=Y2, YC=0, HS=H1-Y2, HC=(H1-YS)/(H2/YR);
Described unit coordinate (X2, Y2, W2, H2), Y2≤0 ∣ Y2 ∣+H1≤H2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=0, YC=Y2/ (H2/YR), HS=H1, HC=H1/ (H2/YR);
Described unit coordinate (X2, Y2, W2, H2), Y2≤0 ∣ Y2 ∣+H1>H2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=0, YC=Y2/ (H2/YR), HS=H2-|Y2|, HC=H2-|Y2|/(H2/YR).
Do not get rid of other algorithm in addition.
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 the scope of the claims of the present invention.It 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 (8)
1. the display unit coordinate method to set up based on spliced display wall signal window, is characterized in that, comprises the following steps:
Obtain display unit physical message and spliced display wall signal window information, described display unit physical message comprises: the wide W1 of display unit and high H1, and described signal window information comprises: signal window origin coordinates (X1, Y1), the wide W2 of window and high H2;
According to the information of obtaining, according to pre-defined rule, calculate the unit coordinate (X2, Y2, W2, H2) of each display unit, wherein (X2, Y2) is the position coordinates of signal window in described each display unit;
According to the resolution (XR of described unit coordinate (X2, Y2, W2, H2), unit physical resolution (W1, H1) and input signal, YR), according to pre-defined algorithm, calculate window displaing coordinate (XS, YS, the WS of each display unit, HS) and image cut coordinate (XC, YC, WC, HC).
2. the display unit coordinate method to set up based on spliced display wall signal window according to claim 1, it is characterized in that, described pre-defined rule is: the reference position of described unit coordinate adopts the reference position of spliced display wall signal window, it is reference coordinate initial point that reference point be take the upper left corner of each display unit, being to the right X-axis positive dirction, is downwards Y-axis positive dirction.
3. the display unit coordinate method to set up based on spliced display wall signal window according to claim 2, is characterized in that, described pre-defined algorithm is: X-direction, described unit coordinate (X2, Y2, W2, H2), the resolution (XR of unit physical resolution (W1, H1) and input signal, YR) X2>0 in, X2+W2≤W1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=X2, XC=0, WS=W2, WC=XR;
Described unit coordinate (X2, Y2, W2, H2), X2>0 in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, X2+W2>W1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=X2, XC=0, WS=W1-X2, WC=(W1-XS)/(W2/XR);
Described unit coordinate (X2, Y2, W2, H2), X2≤0 ∣ X2 ∣+W1≤W2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=0, XC=X2/ (W2/XR), WS=W1, WC=W1/ (W2/XR);
Described unit coordinate (X2, Y2, W2, H2), X2≤0 ∣ X2 ∣+W1>W2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=0, XC=X2/ (W2/XR), WS=W2-|X2|, WC=W2-|X2|/(W2/XR).
4. the display unit coordinate method to set up based on spliced display wall signal window according to claim 2, is characterized in that, described pre-defined algorithm is: Y direction, described unit coordinate (X2, Y2, W2, H2), the resolution (XR of unit physical resolution (W1, H1) and input signal, YR) Y2>0 in, Y2+H2≤H1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=Y2, YC=0, HS=H2, HC=YR;
Described unit coordinate (X2, Y2, W2, H2), Y2>0 in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, Y2+H2>H1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=Y2, YC=0, HS=H1-Y2, HC=(H1-YS)/(H2/YR);
Described unit coordinate (X2, Y2, W2, H2), Y2≤0 ∣ Y2 ∣+H1≤H2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=0, YC=Y2/ (H2/YR), HS=H1, HC=H1/ (H2/YR);
Described unit coordinate (X2, Y2, W2, H2), Y2≤0 ∣ Y2 ∣+H1>H2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=0, YC=Y2/ (H2/YR), HS=H2-|Y2|, HC=H2-|Y2|/(H2/YR).
5. the display unit coordinate setting device based on spliced display wall signal window, is characterized in that, comprising:
Acquisition of information module, be used for obtaining display unit physical message and spliced display wall signal window information, described display unit physical message comprises: the wide W1 of display unit and high H1, and described signal window information comprises: signal window origin coordinates (X1, Y1), the wide W2 of window and high H2;
Display unit computing module, for according to the information of obtaining, calculates the unit coordinate (X2, Y2, W2, H2) of each display unit according to pre-defined rule, wherein (X2, Y2) is the position coordinates of signal window in described each display unit;
Coordinate computing module, for according to described unit coordinate (X2, Y2, W2, H2), the resolution (XR of unit physical resolution (W1, H1) and input signal, YR), according to pre-defined algorithm, calculate window displaing coordinate (XS, YS, the WS of each display unit, HS) and image cut coordinate (XC, YC, WC, HC).
6. the display unit coordinate setting device based on spliced display wall signal window according to claim 5, it is characterized in that, described pre-defined rule is: the reference position of described unit coordinate adopts the reference position of spliced display wall signal window, it is reference coordinate initial point that reference point be take the upper left corner of each display unit, being to the right X-axis positive dirction, is downwards Y-axis positive dirction.
7. the display unit coordinate setting device based on spliced display wall signal window according to claim 6, is characterized in that, described pre-defined algorithm is: X-direction, described unit coordinate (X2, Y2, W2, H2), the resolution (XR of unit physical resolution (W1, H1) and input signal, YR) X2>0 in, X2+W2≤W1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=X2, XC=0, WS=W2, WC=XR;
Described unit coordinate (X2, Y2, W2, H2), X2>0 in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, X2+W2>W1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=X2, XC=0, WS=W1-X2, WC=(W1-XS)/(W2/XR);
Described unit coordinate (X2, Y2, W2, H2), X2≤0 ∣ X2 ∣+W1≤W2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=0, XC=X2/ (W2/XR), WS=W1, WC=W1/ (W2/XR);
Described unit coordinate (X2, Y2, W2, H2), X2≤0 ∣ X2 ∣+W1>W2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle XS=0, XC=X2/ (W2/XR), WS=W2-|X2|, WC=W2-|X2|/(W2/XR).
8. the display unit coordinate setting device based on spliced display wall signal window according to claim 6, is characterized in that, described pre-defined algorithm is: Y direction, described unit coordinate (X2, Y2, W2, H2), the resolution (XR of unit physical resolution (W1, H1) and input signal, YR) Y2>0 in, Y2+H2≤H1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=Y2, YC=0, HS=H2, HC=YR;
Described unit coordinate (X2, Y2, W2, H2), Y2>0 in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, Y2+H2>H1, window displaing coordinate (XS, YS, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=Y2, YC=0, HS=H1-Y2, HC=(H1-YS)/(H2/YR);
Described unit coordinate (X2, Y2, W2, H2), Y2≤0 ∣ Y2 ∣+H1≤H2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=0, YC=Y2/ (H2/YR), HS=H1, HC=H1/ (H2/YR);
Described unit coordinate (X2, Y2, W2, H2), Y2≤0 ∣ Y2 ∣+H1>H2, window displaing coordinate (XS, YS in the resolution (XR, YR) of unit physical resolution (W1, H1) and input signal, WS, HS) and image cut coordinate (XC, YC, WC, HC) middle YS=0, YC=Y2/ (H2/YR), HS=H2-|Y2|, HC=H2-|Y2|/(H2/YR).
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| CN112181332A (en) * | 2020-09-08 | 2021-01-05 | 深圳市创维群欣安防科技股份有限公司 | Display method of any resolution ratio picture of LED cloud spliced wall and LED cloud spliced wall |
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