CN113504882A - Multi-system multi-region display method - Google Patents
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- CN113504882A CN113504882A CN202110478705.4A CN202110478705A CN113504882A CN 113504882 A CN113504882 A CN 113504882A CN 202110478705 A CN202110478705 A CN 202110478705A CN 113504882 A CN113504882 A CN 113504882A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
- B60K35/29—Instruments characterised by the way in which information is handled, e.g. showing information on plural displays or prioritising information according to driving conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K37/00—Dashboards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/18—Information management
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Abstract
The invention provides a multi-system multi-region display method, which comprises the following steps: step 1, loading a display template, and creating a display area object according to the display template; step 2, sequentially storing the display area objects into a linked list; step 3, receiving the display content of each display area, traversing the linked list, and drawing each display area through a frame buffer area; step 4, refreshing each display area drawn by the frame buffer area to a display for displaying; step 5, judging whether the display area updating operation is detected, if so, entering the next step; and 6, updating the display area according to a preset rule. The invention realizes the free customization of multi-system multi-region display.
Description
Technical Field
The invention relates to the technical field of display, in particular to a multi-system multi-region display method.
Background
With the development of automobile intelligence, vehicle-mounted devices operating multiple systems (such as QNX + Android) are becoming mainstream, so that large-screen and intelligent digital instruments and central control systems are developed vigorously, and various display forms, namely multi-screen display and partitioned display on a large screen, appear.
Different types of information are displayed in a large screen in a partitioning mode, and the information comprises security domain information of the instrument and information related to multimedia entertainment. Different types of information display implementation need different operating systems, for example, functions and information related to instruments need to be implemented by a QNX operating system, and contents and information related to multimedia entertainment need to be implemented by an Android operating system.
However, at present, the display area dividing method of the large-screen partition display is generally preset by a system, and cannot be increased or reduced or enlarged or reduced by a user, and thus free customization experience cannot be brought to the user.
Therefore, the prior art is in need of further improvement.
Disclosure of Invention
The invention provides a multi-system multi-region display method, which aims to overcome the defects in the prior art and realize the free customization of multi-system multi-region display.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the invention provides a multi-system multi-region display method, which comprises the following steps:
step 1, loading a display template, and creating a display area object according to the display template;
step 2, sequentially storing the display area objects into a linked list;
step 4, refreshing each display area drawn by the frame buffer area to a display for displaying;
step 5, judging whether the display area updating operation is detected, if so, entering the next step;
and 6, updating the display area according to a preset rule.
Specifically, the step 6 includes:
601, if the split display area operation is detected, operating according to a first preset rule;
step 602, if the operation of merging the display areas is detected, operating according to a second preset rule;
step 603, if the operation of moving the display area is detected, the operation is performed according to a third preset rule.
Specifically, the first preset rule is as follows:
step A1, acquiring the serial number of the selected display area, and acquiring the coordinates of each vertex of the corresponding display area;
step A2, calculating the starting point coordinates and the ending coordinates of each vertex of the two sub-regions after splitting according to the splitting direction;
step A3, updating the coordinates of each vertex of the selected area;
step A5, creating a new display area object;
step A6, updating the linked list according to the new display area object, and returning to step 3.
Specifically, the second preset rule is:
step B1, acquiring the serial number of the selected display area, and acquiring the coordinates of each vertex of the corresponding display area;
step B2, calculating the coordinates of each vertex of the final display area formed by the selected display areas;
step B3, judging whether the final display area is a rectangle, if so, entering the next step, otherwise, prompting that the combination can not be carried out;
step B4, modifying the vertex coordinates of the selected first display area into the vertex coordinates of the final display area;
and step B5, deleting the other display areas except the first display area in the selected display area from the linked list, updating the serial numbers of the display areas, and returning to the step 3.
Specifically, the third preset rule is:
step C1, obtaining the coordinate value of the initial moving point, and judging the display area of the initial moving point;
step C2, acquiring the vertical distance between the starting moving point and the four sides of the display area to which the starting moving point belongs, and taking the projection point corresponding to the shorter one in the vertical distance as a to-be-determined reference point;
step C3, acquiring a moving direction, and taking an undetermined reference point which is the same as the moving direction as a final reference point;
step C4 of generating a reference line orthogonal to the movement direction from the final reference point;
step C5, determining a display area to be adjusted, wherein the adjustment display area is an adjacent and connected display area which is overlapped with the reference line;
step C6, acquiring the movement amount of the display area;
and step C7, determining the coordinates of the display area to be adjusted according to the moving direction and the moving amount.
Specifically, the step C7 includes: if the moving direction is vertical, the increasing amount of the vertical coordinate of each vertex of the display area to be adjusted on the same side with the moving direction is the moving amount, and the horizontal coordinate is kept unchanged; if the moving direction is horizontal, the increase amount of the abscissa of each vertex of the display area to be adjusted on the same side with the moving direction is the moving amount, and the ordinate is kept unchanged.
Further, after the step 5, the method further comprises the following steps:
step 51, judging the entering direction of the updating operation, if the updating operation enters from the preset direction, entering the next step, and if the updating operation does not enter from the preset direction, entering step 6;
and step 52, acquiring the current road condition level, judging whether the current road condition level belongs to the safety level, if so, entering the next step, and otherwise, sending a prompt message for prohibiting user operation.
Specifically, the step 52 includes:
step 52-1, defining the current road condition level
R ═ K1 × W1+ K2 × W2+ K3 × W3, where W1 denotes a first parameter of a peripheral vehicle related to the host vehicle, W2 denotes a second parameter of a peripheral pedestrian related to the host vehicle, W3 denotes a third parameter set for a peripheral traffic related to the host vehicle, and K1, K2, and K3 denote corresponding first, second, and third factors of the first, second, and third parameters, respectively;
step 52-2, detecting whether a vehicle exists in front of the lane, if so, setting the first factor K1 to be 1 and entering the next step, otherwise, setting the first factor K1 to be 0;
step 52-3, acquiring the distance and the relative speed between the vehicle and the front vehicle, and calculating first collision time tc 1;
step 52-4, determining a first parameter W1;
step 52-5, detecting whether a pedestrian exists in front of the vehicle, if so, setting the second factor K2 to be 1 and entering the next step, and if not, setting the second factor K2 to be 0;
step 52-6, acquiring the distance between the vehicle and the pedestrian and the relative speed, and calculating second collision time tc 2;
step 56-7, determining a second parameter W2;
step 52-8, detecting whether a traffic light exists in front of the vehicle, if so, setting the third factor K3 to be 1 and entering the next step, otherwise, setting the third factor K3 to be 0;
step 52-9, acquiring the current speed of the vehicle and the distance between the vehicle and the traffic light, and calculating the probability P (%) of running the red light;
step 52-10, determining a third parameter W3;
and 52-11, determining the current road condition level R, and judging whether R is greater than a road condition threshold value R0, if so, judging that the current road condition level belongs to a danger level, otherwise, judging that the current road condition level belongs to a safety level.
Specifically, the first parameter W1 ═ tr/tc1, where tr is the reaction time.
Specifically, the second parameter W2 ═ tr/tc2, where tr is the reaction time.
Specifically, the third parameter W3 ═ P/P0, where P0 represents the benchmark probability.
The invention has the beneficial effects that: the method and the device establish the display area object according to the display template, store the display area object into the linked list, receive the display content of each display area, traverse the linked list, draw each display area through the frame buffer area to be refreshed to the display, update the display area according to the update operation of the display area by the user, and realize the free customization of the multi-system multi-area display.
Drawings
FIG. 1 is a flow chart of a multi-system multi-region display method according to the present invention;
FIG. 2 is a schematic diagram of a point of reference to be determined according to the present invention.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are for reference and illustrative purposes only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1, the present embodiment provides a multi-system multi-region display method, including:
step 1, loading a display template, and creating a display area object according to the display template.
In this embodiment, the display template includes the number, the start coordinate, the end coordinate, and the operating system of each display area.
For convenience of description, the display area in this embodiment is rectangular, and the non-rectangular display area is processed in a similar way to the rectangular display area.
And 2, sequentially storing the display area objects into a linked list.
The linked list is a non-continuous and non-sequential storage structure on the physical storage unit, which is composed of a series of nodes, and the logical sequence of the data elements is realized by the pointer link sequence in the linked list.
The serial numbers of the display area objects in this embodiment are the nodes in the linked list.
And 3, receiving the display content of each display area, traversing the linked list, and drawing each display area through the frame buffer area.
The frame buffer area is a two-dimensional array composed of pixels and comprises color buffer, depth buffer, template buffer and accumulation buffer; each storage unit corresponds to one pixel on the screen, and the whole frame buffer corresponds to one frame of image.
In this embodiment, the display contents of the respective display areas are output by different systems according to actual needs. For example, meter rotation speed information provided by the QNX system is displayed on the display area 1, and song information provided by the android system is displayed on the display area 2.
And 4, refreshing each display area drawn by the frame buffer area to a display for displaying.
And 5, judging whether the display area updating operation is detected or not, and if so, entering the next step.
And 6, updating the display area according to a preset rule.
In this embodiment, the step 6 includes:
step 601, if the split display area operation is detected, the operation is performed according to a first preset rule.
In this embodiment, the first preset rule is:
step A1, acquiring the serial number of the selected display area, and acquiring the coordinates of each vertex of the corresponding display area;
step A2, calculating the starting point coordinates and the ending coordinates of each vertex of the two sub-regions after splitting according to the splitting direction;
step A3, updating the coordinates of each vertex of the selected area;
step A5, creating a new display area object;
step A6, updating the linked list according to the new display area object, and returning to step 3.
In this embodiment, the splitting direction includes a lateral direction and a longitudinal direction.
Step 602, if the merged display area operation is detected, performing the operation according to a second preset rule.
In this embodiment, the second preset rule is:
step B1, acquiring the serial number of the selected display area, and acquiring the coordinates of each vertex of the corresponding display area;
step B2, calculating the coordinates of each vertex of the final display area formed by the selected display areas;
step B3, judging whether the final display area is a rectangle, if so, entering the next step, otherwise, prompting that the combination can not be carried out;
step B4, modifying the vertex coordinates of the selected first display area into the vertex coordinates of the final display area;
and step B5, deleting the other display areas except the first display area in the selected display area from the linked list, updating the serial numbers of the display areas, and returning to the step 3.
Step 603, if the operation of moving the display area is detected, the operation is performed according to a third preset rule.
In this embodiment, the third preset rule is:
and step C1, obtaining the coordinate value of the initial moving point, and judging the display area of the initial moving point.
And step C2, acquiring the vertical distance between the starting moving point and the four sides of the display area to which the starting moving point belongs, and taking the projection point corresponding to the shorter one in the vertical distance as a to-be-determined reference point.
As shown in fig. 2, point M is an initial moving point, the serial number of the display area to which the point belongs is 2, the vertices are P1, P2, P3, and P4, and the points M are vertically projected to sides P1P2, P2P3, P3P4, and P4P1 to obtain projected points N1, N2, N3, and N4, where N1 and N3 are vertical projected points, N2 and N4 are horizontal projected points, and the distances between these projected points and point M are l1, l2, l3, and l4, respectively, where l1 < l3, and l4 < l2, then N1 and N4 are respectively used as a pending reference point in the vertical direction and a pending reference point in the horizontal direction.
And step C3, acquiring the moving direction, and taking the undetermined reference point which is the same as the moving direction as a final reference point.
And C4, generating a reference line orthogonal to the moving direction through the final reference point.
For example, if the moving direction is vertical movement, a reference line in the horizontal direction is generated, whereas if the moving direction is horizontal movement, a reference line in the vertical direction is generated.
As shown in fig. 2, when the moving direction is the vertical direction, the reference line is N1J.
And step C5, determining a display area to be adjusted, wherein the adjustment display area is an adjacent and connected display area which is overlapped with the reference line.
For example, in fig. 2, adjacent and connected display regions overlapping reference line N1J are display region 1 and display region 3.
Step C6, the movement amount of the display area is acquired.
The movement amount of the display area can be calculated by acquiring the start and end coordinates of the moving point.
And step C7, determining the coordinates of the display area to be adjusted according to the moving direction and the moving amount.
In this embodiment, the step C7 includes: if the moving direction is vertical, the increasing amount of the vertical coordinate of each vertex of the display area to be adjusted on the same side with the moving direction is the moving amount, and the horizontal coordinate is kept unchanged; if the moving direction is horizontal, the increase amount of the abscissa of each vertex of the display area to be adjusted on the same side with the moving direction is the moving amount, and the ordinate is kept unchanged.
Example 2
Unlike embodiment 1, this embodiment further includes, after step 5:
and 51, judging the entering direction of the updating operation, if the updating operation enters from the preset direction, entering the next step, and if the updating operation does not enter from the preset direction, entering the step 6.
The entry direction is a direction in which the operator's hand enters the display screen area.
In this embodiment, the preset direction is a driving position direction.
The entering direction of the hands of the operator can be judged by arranging the infrared detection device on the car machine, and when the infrared sensor of the driving position is shielded firstly, the hands of the operator can be judged to enter from the side of the driving position; the direction in which the operator's hand enters the display screen area may also be determined by other means, such as image recognition.
And step 52, acquiring the current road condition level, judging whether the current road condition level belongs to the safety level, if so, entering the next step, and otherwise, sending a prompt message for prohibiting user operation.
The current road condition class needs to be determined according to the reaction distance (front vehicle, pedestrian, obstacle distance, relative speed, weather, etc.).
In this embodiment, the step 52 includes:
step 52-1, defining a current road condition level, where the current road condition level R is K1W 1+ K2W 2+ K3W 3, where W1 denotes a first parameter of a surrounding vehicle related to the host vehicle, W2 denotes a second parameter of a surrounding pedestrian related to the host vehicle, W3 denotes a third parameter set for a surrounding traffic related to the host vehicle, and K1, K2, and K3 denote corresponding first, second, and third factors of the first, second, and third parameters, respectively.
And 52-2, detecting whether a vehicle exists in front of the lane, if so, setting the first factor K1 to be 1 and proceeding to the next step, and if not, setting the first factor K1 to be 0.
And step 52-3, acquiring the distance between the vehicle and the front vehicle and the relative vehicle speed, and calculating the first collision time tc 1.
Step 52-4, determining a first parameter W1.
In this embodiment, the first parameter W1 ═ tr/tc1, where tr is the reaction time, can be obtained by calibration.
Step 52-5, detecting whether a pedestrian exists in front of the vehicle, if so, setting the second factor K2 to be 1 and entering the next step, and if not, setting the second factor K2 to be 0;
and step 52-6, acquiring the distance between the vehicle and the pedestrian and the relative speed, and calculating the second collision time tc 2.
Step 56-7, the second parameter W2 is determined.
In this embodiment, the second parameter W2 ═ tr/tc2, where tr is the reaction time.
And 52-8, detecting whether a traffic light exists in front of the vehicle, if so, setting the third factor K3 to be 1 and entering the next step, and if not, setting the third factor K3 to be 0.
And 52-9, acquiring the current speed of the vehicle and the distance between the vehicle and the traffic light, and calculating the probability P (%) of running the red light.
Step 52-10, determining a third parameter W3.
In the present embodiment, the third parameter W3 is P/P0, where P0 represents the reference probability, which can be obtained by calibration, and in the present embodiment, P0 is 50%.
And 52-11, determining the current road condition level R, and judging whether R is greater than a road condition threshold value R0, if so, judging that the current road condition level belongs to a danger level, otherwise, judging that the current road condition level belongs to a safety level.
The road condition threshold R0 is empirical data and can be obtained by calibration.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention.
Claims (11)
1. A multi-system multi-region display method is characterized by comprising the following steps:
step 1, loading a display template, and creating a display area object according to the display template;
step 2, sequentially storing the display area objects into a linked list;
step 3, receiving the display content of each display area, traversing the linked list, and drawing each display area through a frame buffer area;
step 4, refreshing each display area drawn by the frame buffer area to a display for displaying;
step 5, judging whether the display area updating operation is detected, if so, entering the next step;
and 6, updating the display area according to a preset rule.
2. The multi-system multi-region display method according to claim 1, wherein the step 6 comprises:
601, if the split display area operation is detected, operating according to a first preset rule;
step 602, if the operation of merging the display areas is detected, operating according to a second preset rule;
step 603, if the operation of moving the display area is detected, the operation is performed according to a third preset rule.
3. The multi-system multi-region display method according to claim 2, wherein the first predetermined rule is:
step A1, acquiring the serial number of the selected display area, and acquiring the coordinates of each vertex of the corresponding display area;
step A2, calculating the starting point coordinates and the ending coordinates of each vertex of the two sub-regions after splitting according to the splitting direction;
step A3, updating the coordinates of each vertex of the selected area;
step A5, creating a new display area object;
step A6, updating the linked list according to the new display area object, and returning to step 3.
4. The multi-system multi-region display method according to claim 2, wherein the second predetermined rule is:
step B1, acquiring the serial number of the selected display area, and acquiring the coordinates of each vertex of the corresponding display area;
step B2, calculating the coordinates of each vertex of the final display area formed by the selected display areas;
step B3, judging whether the final display area is a rectangle, if so, entering the next step, otherwise, prompting that the combination can not be carried out;
step B4, modifying the vertex coordinates of the selected first display area into the vertex coordinates of the final display area;
and step B5, deleting the other display areas except the first display area in the selected display area from the linked list, updating the serial numbers of the display areas, and returning to the step 3.
5. The multi-system multi-region display method according to claim 2, wherein the third predetermined rule is:
step C1, obtaining the coordinate value of the initial moving point, and judging the display area of the initial moving point;
step C2, acquiring the vertical distance between the starting moving point and the four sides of the display area to which the starting moving point belongs, and taking the projection point corresponding to the shorter one in the vertical distance as a to-be-determined reference point;
step C3, acquiring a moving direction, and taking an undetermined reference point which is the same as the moving direction as a final reference point;
step C4 of generating a reference line orthogonal to the movement direction from the final reference point;
step C5, determining a display area to be adjusted, wherein the adjustment display area is an adjacent and connected display area which is overlapped with the reference line;
step C6, acquiring the movement amount of the display area;
and step C7, determining the coordinates of the display area to be adjusted according to the moving direction and the moving amount.
6. The multi-system multi-region display method as claimed in claim 5, wherein the step C7 comprises: if the moving direction is vertical, the increasing amount of the vertical coordinate of each vertex of the display area to be adjusted on the same side with the moving direction is the moving amount, and the horizontal coordinate is kept unchanged; if the moving direction is horizontal, the increase amount of the abscissa of each vertex of the display area to be adjusted on the same side with the moving direction is the moving amount, and the ordinate is kept unchanged.
7. The multi-system multi-region display method according to claim 1, further comprising after the step 5:
step 51, judging the entering direction of the updating operation, if the updating operation enters from the preset direction, entering the next step, and if the updating operation does not enter from the preset direction, entering step 6;
and step 52, acquiring the current road condition level, judging whether the current road condition level belongs to the safety level, if so, entering the next step, and otherwise, sending a prompt message for prohibiting user operation.
8. The multi-system multi-region display method according to claim 7, wherein the step 52 comprises:
step 52-1, defining the current road condition level
R ═ K1 × W1+ K2 × W2+ K3 × W3, where W1 denotes a first parameter of a peripheral vehicle related to the host vehicle, W2 denotes a second parameter of a peripheral pedestrian related to the host vehicle, W3 denotes a third parameter set for a peripheral traffic related to the host vehicle, and K1, K2, and K3 denote corresponding first, second, and third factors of the first, second, and third parameters, respectively;
step 52-2, detecting whether a vehicle exists in front of the lane, if so, setting the first factor K1 to be 1 and entering the next step, otherwise, setting the first factor K1 to be 0;
step 52-3, acquiring the distance and the relative speed between the vehicle and the front vehicle, and calculating first collision time tc 1;
step 52-4, determining a first parameter W1;
step 52-5, detecting whether a pedestrian exists in front of the vehicle, if so, setting the second factor K2 to be 1 and entering the next step, and if not, setting the second factor K2 to be 0;
step 52-6, acquiring the distance between the vehicle and the pedestrian and the relative speed, and calculating second collision time tc 2;
step 56-7, determining a second parameter W2;
step 52-8, detecting whether a traffic light exists in front of the vehicle, if so, setting the third factor K3 to be 1 and entering the next step, otherwise, setting the third factor K3 to be 0;
step 52-9, acquiring the current speed of the vehicle and the distance between the vehicle and the traffic light, and calculating the probability P (%) of running the red light;
step 52-10, determining a third parameter W3;
and 52-11, determining the current road condition level R, and judging whether R is greater than a road condition threshold value R0, if so, judging that the current road condition level belongs to a danger level, otherwise, judging that the current road condition level belongs to a safety level.
9. The multi-system multi-region display method as claimed in claim 8, wherein the first parameter W1 ═ tr/tc1, where tr is the reaction time.
10. The multi-system multi-region display method as claimed in claim 8, wherein the second parameter W2 ═ tr/tc2, where tr is the reaction time.
11. The multi-system multi-region display method as claimed in claim 8, wherein the third parameter W3 ═ P/P0, where P0 represents a reference probability.
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| CN113504882B (en) | 2024-02-06 |
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