WO2018000629A1

WO2018000629A1 - Brightness adjustment method and apparatus

Info

Publication number: WO2018000629A1
Application number: PCT/CN2016/100407
Authority: WO
Inventors: 高海娇; 周正
Original assignee: 乐视控股（北京）有限公司; 乐视致新电子科技（天津）有限公司
Priority date: 2016-06-30
Filing date: 2016-09-27
Publication date: 2018-01-04
Also published as: CN106200946A

Abstract

Provided are a brightness adjustment method and apparatus, used for solving the technical problem in the prior art of the degree of realism in a virtual reality scene being insufficiently high. The method comprises: when playing display content by means of a virtual reality (VR) device, obtaining a brightness adjustment instruction (201); according to said brightness adjustment instruction, adjusting to a first brightness the brightness of a first region used for displaying a first display content of said display content, and adjusting to a second brightness the brightness of a second region used for displaying a second display content of the display content; said first brightness and said second brightness being different (202).

Description

Brightness adjusting method and device

The present invention claims priority to Chinese Patent Application No. 201610513925.5, entitled "A Brightness Adjustment Method and Apparatus", filed on June 30, 2016, the entire disclosure of which is incorporated herein by reference. .

Technical field

Embodiments of the present invention relate to the field of display technologies, and in particular, to a brightness adjustment method and apparatus.

Background technique

Virtual Reality (VR) technology has been applied more and more, its connotation is: comprehensive use of computer graphics system and various display and control interface devices, providing immersive in the interactive, three-dimensional environment generated on the computer Feeling the technology. VR technology is a technology that can create and experience a virtual world computer simulation system. It uses a computer to generate a simulation environment, which can immerse users with interactive three-dimensional dynamic vision and entity behavior simulation of multi-source information fusion. In this environment, give users a better experience.

At present, there are some VR devices, such as VR glasses, VR helmets and other head-mounted display devices, users can wear these VR devices to experience the three-dimensional dynamic vision brought by VR technology. In the prior art, the brightness of each area of the virtual environment displayed by the VR device is the same, so when the user is immersed in the virtual environment by the VR device, the brightness of each area in the entire virtual environment is found to be the same. .

It can be seen that although the VR device in the prior art allows the user to experience a three-dimensional virtual scene, since the brightness of each area in the virtual scene is the same, it is impossible to experience more scenes similar to the scene in reality, in other words, Some VR devices display a virtual environment that is not high enough.

Summary of the invention

The embodiment of the invention provides a brightness adjustment method and device for solving the technical problem that the realism in the virtual reality scene existing in the prior art is not high enough.

In a first aspect, an embodiment of the present invention provides a brightness adjustment method, including:

Obtaining a brightness adjustment instruction when playing the display content through the virtual reality VR device;

Adjusting, according to the brightness adjustment instruction, a brightness of a first area for playing the first display content in the display content to a first brightness, and adjusting a second display for playing the display content The brightness of the second region of the display content is a second brightness, wherein the first brightness and the second brightness are different.

In a second aspect, an embodiment of the present invention provides a brightness adjustment apparatus, including:

Obtaining a module for obtaining a brightness adjustment instruction when playing the display content through the virtual reality VR device;

An adjustment module, configured to adjust, according to the brightness adjustment instruction, a brightness of a first area for playing the first display content in the display content to a first brightness, and adjust a second one for playing the display content The brightness of the second area of the display content is a second brightness, wherein the first brightness and the second brightness are different.

In a third aspect, an embodiment of the present invention provides an electronic device, including:

At least one processor; and,

a memory communicatively coupled to the at least one processor; wherein

The memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to enable the at least one processor to perform the method of the first aspect described above.

In a fourth aspect, an embodiment of the present invention provides a non-transitory computer readable storage medium, where the non-transitory computer readable storage medium stores computer executable instructions for performing the first The method described in the aspects.

In a fifth aspect, an embodiment of the present invention provides a computer program product, the computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, when the program instruction is The computer, when executed, causes the computer to perform the method as described in the first aspect above.

The brightness adjustment method and device provided by the embodiment of the invention adjust different brightnesses for different regions by using the brightness adjustment command, so that different regions can have different brightnesses, thereby enabling the VR device adopting the method and the device to pass different The brightness simulates a more realistic virtual scene, improves the realism in the virtual reality scene, and allows the user to experience a more realistic virtual environment.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description of the drawings used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description Some embodiments of the present invention, for those of ordinary skill in the art, Other drawings may also be obtained from these drawings without the use of creative labor.

1 is a structural diagram of a virtual reality device according to the present invention;

2 is a flow chart of a brightness adjustment method of the present invention;

3 is a functional block diagram of a brightness adjusting device of the present invention;

4 is a schematic structural view of an electronic device according to the present invention.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is a partial embodiment of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

FIG. 1 is a schematic structural diagram of a VR device according to an embodiment of the present invention. The VR device includes: a structural component 101 for wearing the electronic device on the user's body, such as on the head or on the eye; a display component 102 for displaying the display content; and an optical system 103 for forming a virtual enlarged image The display content is displayed on the enlarged image; the processor 104 is configured to provide and process the display content; and the input device 105 is configured to receive an input operation of the user.

The display content may be one or any combination of pictures, video images or text, and the like. The processor 104 may include, for example, a central processing unit (CPU) or an application specific integrated circuit (ASIC), which may include one or more integrated circuits for controlling program execution, and may include using a field programmable gate array ( The hardware circuit developed by the Field Programmable Gate Array (FPGA) may include a baseband chip and may include an image processing unit.

The VR device can be an all-in-one or connected to a computer host (eg, an Xbox game console), in which case display component 102 can display the first image provided by processor 104. According to an example of the present invention, the display part 102 may be a micro display unit whose screen size is smaller than the size of the screen of the existing electronic device.

The VR device can use an electronic device such as a mobile phone having a display screen as the display unit 102, for example, a glasses case that is currently on the market, and a smart phone that is used in conjunction with the smart phone functions as a display device.

The optical system 103 can receive the light emitted from the display unit 102 and optically convert the light emitted from the display unit 102 to form an enlarged virtual image, wherein the optical system 103 and the display unit The length of the optical path between 102 is less than the focal length of the eyepiece. That is, the optical system has a positive refractive power. The magnification of the optical system can be preset. Alternatively, the optical system 103 can include adjustment components to adjust the magnification of the optical system 103. The area of the enlarged virtual image is larger than the area of the display area of the display member 102.

The optical system 103 may include, for example, a left eyepiece and a right eyepiece, a left eye magnified virtual image formed by the left eyepiece, and a right eye enlarged virtual image formed by the right eyepiece. Each eyepiece can be a single lens or an optical system comprising a plurality of lenses.

With the VR device provided by the embodiment of the present invention, the size of the image viewable by the user is not limited by the size of the display component 102 of the VR device itself, and the user can view the display image having a larger size through the VR device. In other words, when the user wears the VR device, the size of the display image is seen to be larger than the size of the display component 102 of the VR device, while the distance of the displayed image is greater than the human eye to the display component 102 (wearing The distance of the VR device).

The input device 105 includes, for example, a touch panel and physical buttons.

Optionally, the VR device may further include a memory, and the number of the memory may be one or more. The memory may include a Read Only Memory (ROM), a Random Access Memory (RAM), and a disk storage, and the like. The memory can be used to store instructions required by the processor 104 to perform tasks, and can also be used to store display content.

Please refer to FIG. 2 , which is a flowchart of a brightness adjustment method according to an embodiment of the present invention. The method can be applied to the VR device described above. As shown in Figure 2, the method includes:

Step 201: Obtain a brightness adjustment instruction when playing the display content by the VR device;

Step 202: Adjust, according to the brightness adjustment instruction, a brightness of a first area for playing the first display content in the display content to a first brightness, and adjust a second display content for playing the display content. The brightness of the second area is a second brightness; wherein the first brightness and the second brightness are different.

In practice, step 201 can have various implementations, which will be described below by way of example.

The first possible implementation manner, the step 201 includes: determining a current display mode of the VR device; generating the brightness adjustment instruction according to the current display mode; wherein the brightness adjustment instruction is corresponding to different display modes Not the same.

Optionally, the display mode may be set in advance, such as a theater mode, a game mode, a concert mode, and then the user may manually select or switch the display mode. For example, the user can click on the mode switch control and then display the options for each mode, then the user can select One of the display modes. In the theater mode and in the game mode, the generated brightness adjustment commands are different.

Optionally, the display mode may be automatically determined or switched by the currently displayed display content or the currently open application. For example, if the user opens the video playing software at the first moment, then the current display mode can be determined to be the cinema mode. At the second moment after the user finishes watching a movie, the user opens a game software again, and then the current display mode can be determined to be the game mode.

Optionally, step 201 can be performed when the display mode is switched.

Optionally, the brightness adjustment commands are different according to different display modes, and the meanings are: the first region and the second region corresponding to the brightness adjustment instruction may be different, and/or the brightness value corresponding to the brightness adjustment instruction is different. . For example, in the theater mode, the brightness of the area for displaying the video is higher than the brightness of the other areas, and in the game mode, the brightness of the area for displaying the character is higher than the brightness of the background area.

A second possible implementation manner: Step 201 includes: receiving an input operation of a user; and generating the brightness adjustment instruction according to the input operation.

For example, the user can perform brightness adjustment through the input device 105, and when receiving the input operation of the user, the VR device can generate a brightness adjustment instruction corresponding to the input operation. For example, the user can slide up and down on the touchpad to adjust the brightness, and for example, the user can press the physical button to adjust the brightness.

Optionally, the user can perform brightness adjustment through the setting interface, and the VR device can generate a brightness adjustment instruction corresponding to the operation when receiving the operation of the user on the setting interface. For example, the user opens the setting interface, and then in the brightness setting option in the setting interface, select a brightness value by a progress bar or directly input a brightness value to select a different brightness value.

In the actual application, the step 201 may also have other implementation manners, which are not specifically limited in the embodiment of the present invention.

Correspondingly, in step 202, the brightness of the first area is adjusted to be the first brightness according to the brightness adjustment instruction, and the brightness of the second area is adjusted to be the second brightness.

It should be noted that if the brightness adjustment instruction is only for the first area, adjusting the brightness of the second area to the second brightness is to maintain the brightness of the second area. Similarly, if the brightness adjustment instruction is only for the second area, adjusting the brightness of the first area to the first brightness is to maintain the brightness of the first area unchanged. For example, when the user watches the video, the brightness of the background area needs to be lowered. The user adjusts the brightness of the background area through the touchpad to create an atmosphere for watching movies in a real theater. Then step 202 is: maintaining the brightness of the video area unchanged, and reducing the brightness of the background area to the brightness value input by the user. . In other words, embodiments of the present invention can achieve independent brightness adjustment for a partial area without performing overall brightness adjustment for all areas as in the prior art.

Of course, in actual use, the brightness adjustment may be performed for the first area and the second area at the same time, that is, the brightness adjustment instruction is directed to the first area and the second area at the same time.

Optionally, the step 202 includes: controlling the first area to be in the first layer; controlling the second area to be in the second layer; wherein the first layer is different from the second layer; The brightness of the first layer is the first brightness; and the brightness of the second layer is adjusted to the second brightness.

In existing VR devices, display of virtual 3D scenes, such as the OpenGL algorithm, is typically achieved through 3D rendering. Specifically, modeling is performed in accordance with a 3D model, and then coloring is performed. In order to implement the method in the embodiment of the present invention, different regions may be drawn on different layers, and the pixel points on each layer are colored according to the brightness values in the brightness adjustment instruction, so that the brightness displayed in different regions is different. .

The embodiment of the present invention merely illustrates one possible implementation of the step 202, and does not exclude other embodiments.

As the technology advances, the virtual 3D scene of the VR device may be implemented in other manners, so the step 202 may also be implemented in a manner corresponding to other methods.

Optionally, before step 202, the method further includes: determining the first area and the second area. In practice, this step can also have multiple implementations, which are illustrated by the following examples.

One possible implementation is to determine different regions according to the displayed content. For example, the area where the video is displayed is the first area, and the remaining area is the second area.

Another possible implementation manner is: acquiring a position of the user's line of sight focus; determining an area corresponding to the position of the line of sight focus as the first area, and remaining areas being the second area. For example, at the first moment, the user's line of sight is directly in front of the front, then the area in front of the area is one area, and the remaining area is another area. At the second moment, the user's head is deflected to the left, and at this time the line of sight has been deflected to the left relative to the front, so it can be determined at this time that the area in front is one area and the remaining area is another area.

In an actual application, different regions may be divided by other methods, which are not specifically limited in the embodiment of the present invention.

It can be seen from the above description that the brightness adjustment method provided by the embodiment of the present invention adjusts different brightnesses for different regions by using the brightness adjustment command, so that different regions can have different brightnesses, thereby making the method and device adopt the same. The VR device can simulate more realistic virtual scenes with different brightnesses, improve the realism in the virtual reality scene, and let the user experience a more realistic virtual environment.

In practical use, by designing the processor 104, the code corresponding to the method shown above is solidified into the chip, so that the chip can perform the method shown in the foregoing embodiment during operation. How to design and program the processor 104 is a technique well known to those skilled in the art, and details are not described herein.

A specific example of the brightness adjustment method in the embodiment of the present invention will be described below.

For example, when a user wears a helmet-type VR device on the head, click to play a movie video, at which time the VR device collects the user's line of sight, determines the focus position of the line of sight on the display area, and then displays the movie video in the focus position, and Other display areas display content similar to walls and seats in real theaters. Further, the user selects the brightness value for other areas through the brightness setting interface of the user setting interface, usually in order to simulate a real scene, when the movie is played, only the screen in the movie playing room is lit, and the lights of other areas are It is turned off, so the brightness of other areas is set lower than the area where the movie video is displayed. So users can experience the feeling of watching a movie in a real movie theater. Further, when detecting the end of the movie play, the VR device can automatically increase the brightness value of other areas, simulating the scene where the light of the movie room is lit when the movie is played, and further improving the user experience. Therefore, the realism of the virtual scene can be improved by the method in the embodiment of the present invention.

Based on the same inventive concept, an embodiment of the present invention further provides a brightness adjusting device. Referring to FIG. 3, the device includes: an obtaining module 301, configured to obtain a brightness adjustment instruction when the display content is played by the virtual reality VR device; and an adjustment module 302, configured to adjust, according to the brightness adjustment instruction, a play setting The brightness of the first area of the first display content in the display content is a first brightness, and the brightness of the second area for playing the second display content in the display content is a second brightness; wherein The first brightness is different from the second brightness.

In an actual application, in the embodiment of the present invention, a related functional module can be implemented by a hardware processor. For example, the corresponding module 301 and the adjustment module 302 correspond to The physical devices can each be the processor 104 of FIG. For example, the functionality of the acquisition module 301 can be performed by the processor 104 through some of the input components of the device, and the functionality of the adjustment module 302 can be performed by the processor 104.

The brightness adjustment device can be used to perform the method described above with respect to FIG. 2, such as a VR device as previously described.

Optionally, the device further includes: a determining module, configured to determine the first area and the second area.

Optionally, the determining module is configured to: acquire a position of a line of sight focus of the user; determine an area corresponding to the position of the line of sight focus as the first area, and the remaining area is the second area.

Optionally, the obtaining module 301 is configured to: determine a current display mode of the VR device; generate the brightness adjustment instruction according to the current display mode; wherein the brightness adjustment instructions are different according to different display modes .

Optionally, the obtaining module 301 is configured to: receive an input operation of the user; and generate the brightness adjustment instruction according to the input operation.

Optionally, the adjustment module 302 is configured to: control the first area to be in the first layer; and control the second area to be in the second layer; wherein the first layer is different from the second layer Adjusting the brightness of the first layer to the first brightness; adjusting the brightness of the second layer to the second brightness.

The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, ie may be located A place, or it can be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without deliberate labor.

Based on the same inventive concept, an embodiment of the present invention further provides a non-transitory computer readable storage medium. The non-transitory computer readable storage medium stores computer executable instructions for performing the brightness adjustment described above. method.

Specifically, the computer executable instructions may be configured to: obtain a brightness adjustment instruction when playing the display content by the VR device; and adjust, according to the brightness adjustment instruction, to play the first display content in the display content. The brightness of the first area is a first brightness, and the brightness of the second area for playing the second display content in the display content is a second brightness, wherein The first brightness is different from the second brightness.

After obtaining the brightness adjustment instruction, the computer executable instructions are further arranged to: determine the first area and the second area.

Specifically, the computer executable instructions are configured to: acquire a position of a line of sight focus of the user; and determine an area corresponding to the position of the line of sight focus as the first area, and the remaining area is the second area.

Specifically, the obtaining the brightness adjustment instruction includes:

Determining a current display mode of the VR device; and generating the brightness adjustment instruction according to the current display mode, wherein the brightness adjustment instructions are different according to different display modes.

Specifically, the obtaining the brightness adjustment instruction includes:

Receiving user input operations;

The brightness adjustment instruction is generated according to the input operation.

Specifically, according to the brightness adjustment instruction, adjusting a brightness of a first area for playing the first display content in the display content to a first brightness, and adjusting a second display content for playing the display content The brightness of the second area is the second brightness, including:

Controlling the first area to be in the first layer;

Controlling the second area to be in a second layer, wherein the first layer is different from the second layer;

Adjusting a brightness of the first layer to the first brightness;

Adjusting the brightness of the second layer to the second brightness.

Based on the same inventive concept, an embodiment of the present invention further provides an electronic device, as shown in FIG. 4 , which is a schematic structural diagram of an electronic device according to an embodiment of the present invention. Specifically, as shown in FIG. 4, the electronic device may include:

At least one processor 401; and a memory 402 communicatively coupled to the at least one processor 401; wherein the memory 402 stores instructions executable by the at least one processor 401, the instructions being A processor 401 is operative to enable the at least one processor 401 to perform the steps in the brightness adjustment method described above.

It should be noted that the electronic device may further include: an input device 403 and an output device 404.

The processor 401, the memory 402, the input device 403, and the output device 404 can be Connected by bus or other means, 47 to connect by bus as an example.

It should be noted that the memory 402 can be used as a non-volatile computer readable storage medium for storing non-volatile software programs, non-volatile computer-executable programs, and modules, such as brightness adjustment in the embodiments of the present application. The method corresponds to a program instruction/module (for example, the obtaining module 301 and the adjusting module 302 shown in FIG. 3). The processor 401 executes various functional applications and data processing of the server by running non-volatile software programs, instructions, and modules stored in the memory 402, that is, implementing the brightness adjustment method in the above method embodiments.

Further, the memory 402 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function; and the storage data area may store the use of the processing device according to the target information. Data, etc. Moreover, memory 402 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, memory 402 can optionally include a memory remotely located relative to processor 401 that can be coupled to the brightness adjustment device via a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.

Additionally, input device 403 can receive input numeric or character information and generate key signal inputs related to user settings and function control of the brightness adjustment device. Output device 404 can include a display device such as a display screen.

The one or more modules are stored in the memory 402, and when executed by the one or more processors 401, perform a processing method of brightness adjustment in any of the above method embodiments.

The above products can perform the methods provided by the embodiments of the present application, and have the corresponding functional modules and beneficial effects of the execution method. For technical details that are not described in detail in this embodiment, reference may be made to the method provided by the embodiments of the present application.

The electronic device of the embodiment of the invention exists in various forms, including but not limited to:

(1) Mobile communication devices: These devices are characterized by mobile communication functions and are mainly aimed at providing voice and data communication. Such terminals include: smart phones (such as iPhone), multimedia phones, functional phones, and low-end phones.

(2) Ultra-mobile personal computer equipment: This type of equipment belongs to the category of personal computers, has computing and processing functions, and generally has mobile Internet access. Such terminals include: PDAs, MIDs, and UMPC devices, such as the iPad.

(3) Portable entertainment devices: These devices can display and play multimedia content. Such devices include: audio, video players (such as iPod), handheld game consoles, e-books, and smart toys and portable car navigation devices.

The electronic devices of the above (1) to (3) can be played by the VR device.

(4) One-piece VR device.

Through the description of the above embodiments, those skilled in the art can clearly understand that the various embodiments can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware. Based on such understanding, the above-described technical solutions may be embodied in the form of software products in essence or in the form of software products, which may be stored in a computer readable storage medium such as ROM/RAM, magnetic Discs, optical discs, etc., include instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform the methods described in various embodiments or portions of the embodiments.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that The technical solutions described in the foregoing embodiments are modified, or the equivalents of the technical features are replaced. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

A brightness adjustment method applied to a virtual reality VR device, comprising:

Obtaining a brightness adjustment instruction when playing the display content through the virtual reality VR device;

Adjusting, according to the brightness adjustment instruction, a brightness of a first area for playing the first display content of the display content to a first brightness, and adjusting a second for playing a second display content of the display content The brightness of the area is a second brightness, wherein the first brightness and the second brightness are different.
The method of claim 1 further comprising:

The first area and the second area are determined.
The method according to claim 2, wherein the determining the first area and the second area comprises:

Get the location of the user's line of sight focus;

The area corresponding to the position of the line of sight focus is determined to be the first area, and the remaining area is the second area.
The method of claim 1 wherein said obtaining a brightness adjustment command comprises:

Determining a current display mode of the VR device;

The brightness adjustment instruction is generated according to the current display mode, wherein the brightness adjustment instructions are different according to different display modes.
The method of claim 1 wherein said obtaining a brightness adjustment command comprises:

Receiving user input operations;

The brightness adjustment instruction is generated according to the input operation.
The method according to claim 1, wherein the brightness of the first area for playing the first display content in the display content is adjusted to be the first brightness according to the brightness adjustment instruction, and the adjustment is for playing The brightness of the second area of the second display content in the display content is a second brightness, including:

Controlling the first area to be in the first layer;

Controlling the second region to be in a second layer, wherein the first layer and the second layer different;

Adjusting a brightness of the first layer to the first brightness;

Adjusting the brightness of the second layer to the second brightness.
A brightness adjusting device, comprising:

Obtaining a module for obtaining a brightness adjustment instruction when playing the display content through the virtual reality VR device;

An adjustment module, configured to adjust, according to the brightness adjustment instruction, a brightness of a first area for playing the first display content in the display content to a first brightness, and adjust a second one for playing the display content The brightness of the second area of the display content is a second brightness, wherein the first brightness and the second brightness are different.
The device according to claim 7, wherein the device further comprises:

a determining module for determining the first area and the second area.
The apparatus according to claim 8, wherein said determining module is configured to:

Get the location of the user's line of sight focus;

The area corresponding to the position of the line of sight focus is determined to be the first area, and the remaining area is the second area.
The apparatus according to claim 7, wherein said obtaining module is configured to:

Determining a current display mode of the VR device;

The brightness adjustment instruction is generated according to the current display mode, wherein the brightness adjustment instructions are different according to different display modes.
The apparatus according to claim 7, wherein said obtaining module is configured to:

Receiving user input operations;

The brightness adjustment instruction is generated according to the input operation.
The device according to claim 7, wherein the adjustment module is configured to:

Controlling the first area to be in the first layer;

Controlling the second area to be in a second layer, wherein the first layer is different from the second layer;

Adjusting a brightness of the first layer to the first brightness;

Adjusting the brightness of the second layer to the second brightness.
An electronic device, comprising:

At least one processor; and,

a memory communicatively coupled to the at least one processor; wherein

The memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to enable the at least one processor to perform any of claims 1-6 The method described.
A non-transitory computer readable storage medium storing computer executable instructions for performing any of claims 1-6 The method described in the item.
A computer program product, comprising: a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, when the program instructions are executed by a computer, The computer performs the method of any of claims 1-6.