CN111405338A

CN111405338A - Intelligent image quality switching method and display device

Info

Publication number: CN111405338A
Application number: CN202010128294.1A
Authority: CN
Inventors: 颜贝; 卢可敬; 程晋
Original assignee: Hisense Visual Technology Co Ltd
Current assignee: Hisense Visual Technology Co Ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-07-10
Anticipated expiration: 2040-02-27
Also published as: CN111405338B

Abstract

The embodiment of the application discloses a switching method and display equipment for intelligent image quality, and the technical scheme of the embodiment of the application is that a controller is configured to respond to a channel switching instruction input by a user and detect whether a live video signal exists or not; if the live video signal exists, determining a target picture quality mode according to video data corresponding to the live video signal; and switching the picture quality parameters corresponding to the live video signals according to the target picture quality mode. In the embodiment of the application, the most suitable picture quality parameters are determined according to the live video watched by the user, and the requirements of the user on the picture quality are met. In addition, the embodiment of the application is realized by software, and has the advantages of low cost, complete coverage and low maintenance and service expansion cost.

Description

Intelligent image quality switching method and display device

Technical Field

The invention relates to the technical field of software, in particular to an intelligent image quality switching method and display equipment.

Background

At present, the image quality in the smart television is mainly controlled by the traditional method of adjusting the image quality parameters of the backlight, and although the method can realize good image quality, the method focuses on the undifferentiated control of the smart television and cannot meet the watching requirements of users. For example, cartoon is generally watched by children, but children need to protect eyes, so that high brightness is not needed. As another example, when watching a movie, darker brightness is needed to create a better atmosphere.

Therefore, there is a need in the art to solve the problem that the user's requirement for image quality cannot be met when watching the smart tv.

Disclosure of Invention

Based on the above technical problem, an object of the present invention is to provide a method for switching an intelligent image quality and a display device.

A first aspect of embodiments of the present application shows a display device, including:

a display configured to: displaying a live video picture;

an external device interface configured to: connecting an external media interface terminal for data transmission;

a controller configured to:

detecting whether a live video signal exists or not in response to a channel switching instruction input by a user;

if the live video signal exists, determining a target picture quality mode according to video data corresponding to the live video signal;

and switching the picture quality parameters corresponding to the live video signals according to the target picture quality mode.

A second aspect of the embodiment of the present application shows a method for switching an intelligent image quality, including:

A third aspect of the present invention is directed to a readable storage medium, in which a switching program of an intelligent picture quality is stored, and the switching program of the intelligent picture quality realizes a switching method of the intelligent picture quality when executed by a processor.

According to the technical scheme, the embodiment of the application shows the switching method and the display equipment for the intelligent image quality, and in the technical scheme shown in the embodiment of the application, the controller is configured to respond to a channel switching instruction input by a user and detect whether a live video signal exists or not; if the live video signal exists, determining a target picture quality mode according to video data corresponding to the live video signal; and switching the picture quality parameters corresponding to the live video signals according to the target picture quality mode. In the embodiment of the application, the most suitable picture quality parameters are determined according to the live video watched by the user, and the requirements of the user on the picture quality are met. In addition, the embodiment of the application is realized by software, and has the advantages of low cost, complete coverage and low maintenance and service expansion cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic diagram illustrating an operation scenario between a display device and a control apparatus according to an embodiment;

fig. 2 is a block diagram exemplarily showing a hardware configuration of a display device 200 according to an embodiment;

fig. 3 is a block diagram exemplarily showing a hardware configuration of the control apparatus 100 according to the embodiment;

fig. 4 is a diagram exemplarily showing a functional configuration of the display device 200 according to the embodiment;

fig. 5 is a diagram exemplarily showing a software configuration in the display device 200 according to the embodiment;

fig. 6 is a diagram exemplarily showing a configuration of an application program in the display device 200 according to the embodiment;

fig. 7 schematically illustrates a user interface in the display device 200 according to an embodiment;

fig. 8 schematically shows another user interface in the display device 200 according to an embodiment;

FIG. 9 is a diagram illustrating the structure of a notification prompt in accordance with an embodiment;

fig. 10 is a flowchart illustrating a method of switching a smart picture quality according to an embodiment.

Detailed Description

To make the objects, technical solutions and advantages of the exemplary embodiments of the present application clearer, the technical solutions in the exemplary embodiments of the present application will be clearly and completely described below with reference to the drawings in the exemplary embodiments of the present application, and it is obvious that the described exemplary embodiments are only a part of the embodiments of the present application, but not all the embodiments.

All other embodiments, which can be derived by a person skilled in the art from the exemplary embodiments shown in the present application without inventive effort, shall fall within the scope of protection of the present application. Moreover, while the disclosure herein has been presented in terms of exemplary one or more examples, it is to be understood that each aspect of the disclosure can be utilized independently and separately from other aspects of the disclosure to provide a complete disclosure.

It should be understood that the terms "first," "second," "third," and the like in the description and in the claims of the present application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used are interchangeable under appropriate circumstances and can be implemented in sequences other than those illustrated or otherwise described herein with respect to the embodiments of the application, for example.

Furthermore, the terms "comprises" and "comprising," as well as any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or device that comprises a list of elements is not necessarily limited to those elements explicitly listed, but may include other elements not expressly listed or inherent to such product or device.

The term "module" as used herein refers to any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic, or combination of hardware and/or software code that is capable of performing the functionality associated with that element.

The term "remote control" as used in this application refers to a component of an electronic device, such as the display device disclosed in this application, that is typically wirelessly controllable over a short range of distances. Typically using infrared and/or Radio Frequency (RF) signals and/or bluetooth to connect with the electronic device, and may also include WiFi, wireless USB, bluetooth, motion sensor, etc. For example: the hand-held touch remote controller replaces most of the physical built-in hard keys in the common remote control device with the user interface in the touch screen.

The term "gesture" as used in this application refers to a user's behavior through a change in hand shape or an action such as hand motion to convey a desired idea, action, purpose, or result.

Fig. 1 is a schematic diagram illustrating an operation scenario between a display device and a control apparatus according to an embodiment. As shown in fig. 1, a user may operate the display apparatus 200 through the control device 100.

The control device 100 may be a remote controller 100A, which includes infrared protocol communication, bluetooth protocol communication, other short-distance communication methods, and the like, and controls the display apparatus 200 in a wireless or other wired manner. The user may input a user instruction through a key on a remote controller, voice input, control panel input, etc., to control the display apparatus 200. Such as: the user can input a corresponding control command through a volume up/down key, a channel control key, up/down/left/right moving keys, a voice input key, a menu key, a power on/off key, etc. on the remote controller, to implement the function of controlling the display device 200.

The control device 100 may also be an intelligent device, such as a mobile terminal 100B, a tablet computer, a notebook computer, and the like. For example, the display device 200 is controlled using an application program running on the smart device. The application may provide the user with various controls through an intuitive User Interface (UI) on a screen associated with the smart device.

For example, the mobile terminal 100B may install a software application with the display device 200, implement connection communication through a network communication protocol, and implement the purpose of one-to-one control operation and data communication. Such as: the mobile terminal 100B and the display device 200 may establish a control instruction protocol, synchronize the remote control keyboard to the mobile terminal 100B, and control the function of the display device 200 by controlling the user interface on the mobile terminal 100B. The audio and video content displayed on the mobile terminal 100B may also be transmitted to the display device 200, so as to implement a synchronous display function.

As shown in FIG. 1, the display device 200 may also be in data communication with the server 300 via a variety of communication means, the display device 200 may be permitted to be communicatively coupled via a local area network (L AN), a wireless local area network (W L AN), and other networks, the server 300 may provide various content and interactions to the display device 200. illustratively, the display device 200 may receive software program updates, or access a remotely stored digital media library by sending and receiving information, as well as Electronic Program Guide (EPG) interactions, the server 300 may be a group, multiple groups, one or more types of servers, other network service content such as video-on-demand and advertising services may be provided via the server 300.

The display device 200, which may be a liquid crystal display, an O L ED display, a projection display device, a specific display device type, size and resolution, etc. are not limited, and it will be appreciated by those skilled in the art that the display device 200 may be modified in performance and configuration as desired.

The display apparatus 200 may additionally provide an intelligent network tv function that provides a computer support function in addition to the broadcast receiving tv function. Examples include a web tv, a smart tv, an Internet Protocol Tv (IPTV), and the like.

A hardware configuration block diagram of a display device 200 according to an exemplary embodiment is exemplarily shown in fig. 2. As shown in fig. 2, the display apparatus 200 may include a tuner demodulator 220, a communicator 230, a detector 24.0, an external device interface 250, a controller 210, a memory 290, a user input interface, a video processor 260-1, an audio processor 260-2, a display 280, an audio input interface 272, and a power supply.

The tuning demodulator 220 receives the broadcast television signals in a wired or wireless manner, may perform modulation and demodulation processing such as amplification, mixing, resonance, and the like, and is configured to demodulate, from a plurality of wireless or wired broadcast television signals, an audio/video signal carried in a frequency of a television channel selected by a user, and additional information (e.g., an EPG data signal).

The tuner demodulator 220 is responsive to the user-selected television channel frequency and the television signal carried thereby, as selected by the user and as controlled by the controller 210.

The tuner demodulator 220 may receive signals according to different broadcasting systems of television signals, such as: terrestrial broadcasting, cable broadcasting, satellite broadcasting, internet broadcasting, or the like; and according to different modulation types, the digital modulation mode and the analog modulation mode can be adopted; and can demodulate the analog signal and the digital signal according to different types of the received television signals.

In other exemplary embodiments, the tuner/demodulator 220 may be in an external device, such as an external set-top box. In this way, the set-top box outputs television audio/video signals after modulation and demodulation, and the television audio/video signals are input into the display device 200 through the input/output interface 250.

The communicator 230 is a component for communicating with an external device or an external server according to various communication protocol types. For example: the communicator 230 may include a WIFI module 231, a bluetooth communication protocol module 232, a wired ethernet communication protocol module 233, and other network communication protocol modules or near field communication protocol modules.

The display apparatus 200 may establish a connection of a control signal and a data signal with an external control apparatus or a content providing apparatus through the communicator 230. For example, the communicator may receive a control signal of the remote controller 100 according to the control of the controller.

The detector 240 is a component of the display apparatus 200 for collecting signals of an external environment or interaction with the outside. The detector 240 may include a light receiver 242, a sensor for collecting the intensity of ambient light, which may be used to adapt to display parameter changes, etc.; the system can further include an image collector 241, such as a camera, etc., which can be used for collecting external environment scenes, collecting attributes of the user or interacting gestures with the user, adaptively changing display parameters, and recognizing user gestures, so as to realize the function of interaction with the user.

In some other exemplary embodiments, the detector 240 may further include a temperature sensor, such as by sensing an ambient temperature, and the display device 200 may adaptively adjust a display color temperature of the image. For example, when the temperature is higher, the display apparatus 200 may be adjusted to display a color temperature of an image that is cooler; when the temperature is lower, the display device 200 may be adjusted to display a warmer color temperature of the image.

In some other exemplary embodiments, the detector 240 may further include a sound collector, such as a microphone, which may be used to receive a user's voice, a voice signal including a control instruction of the user to control the display device 200, or collect an ambient sound for identifying an ambient scene type, and the display device 200 may adapt to the ambient noise.

The external device interface 250 provides a component for the controller 210 to control data transmission between the display apparatus 200 and other external apparatuses. The external device interface may be connected with an external apparatus such as a set-top box, a game device, a notebook computer, etc. in a wired/wireless manner, and may receive data such as a video signal (e.g., moving image), an audio signal (e.g., music), additional information (e.g., EPG), etc. of the external apparatus.

The external device interface 250 may include: a High Definition Multimedia Interface (HDMI) terminal 251, a Composite Video Blanking Sync (CVBS) terminal 252, an analog or digital component terminal 253, a Universal Serial Bus (USB) terminal 254, a red, green, blue (RGB) terminal (not shown), and the like.

The controller 210 controls the operation of the display device 200 and responds to the operation of the user by running various software control programs (such as an operating system and various application programs) stored on the memory 290.

As shown in fig. 2, the controller 210 includes a random access memory RAM213, a read only memory ROM214, a graphics processor 216, a CPU processor 212, a communication interface 218, and a communication bus. The RAM213 and the ROM214, the graphic processor 216, the CPU processor 212, and the communication interface 218 are connected via a bus.

A ROM213 for storing instructions for various system boots. If the display device 200 is powered on upon receipt of the power-on signal, the CPU processor 212 executes a system boot instruction in the ROM and copies the operating system stored in the memory 290 to the RAM214 to start running the boot operating system. After the start of the operating system is completed, the CPU processor 212 copies the various application programs in the memory 290 to the RAM214, and then starts running and starting the various application programs.

A graphics processor 216 for generating various graphics objects, such as: icons, operation menus, user input instruction display graphics, and the like. The display device comprises an arithmetic unit which carries out operation by receiving various interactive instructions input by a user and displays various objects according to display attributes. And a renderer for generating various objects based on the operator and displaying the rendered result on the display 280.

A CPU processor 212 for executing operating system and application program instructions stored in memory 290. And executing various application programs, data and contents according to various interactive instructions received from the outside so as to finally display and play various audio and video contents.

In some exemplary embodiments, the CPU processor 212 may include a plurality of processors. The plurality of processors may include one main processor and a plurality of or one sub-processor. A main processor for performing some operations of the display apparatus 200 in a pre-power-up mode and/or operations of displaying a screen in a normal mode. A plurality of or one sub-processor for performing an operation in a standby mode or the like.

The communication interfaces may include a first interface 218-1 through an nth interface 218-n. These interfaces may be network interfaces that are connected to external devices via a network.

The controller 210 may control the overall operation of the display apparatus 200. For example: in response to receiving a user command for selecting a UI object to be displayed on the display 280, the controller 210 may perform an operation related to the object selected by the user command.

Wherein the object may be any one of selectable objects, such as a hyperlink or an icon. Operations related to the selected object, such as: displaying an operation connected to a hyperlink page, document, image, or the like, or performing an operation of a program corresponding to an icon. The user command for selecting the UI object may be a command input through various input means (e.g., a mouse, a keyboard, a touch pad, etc.) connected to the display apparatus 200 or a voice command corresponding to a voice spoken by the user.

The memory 290 includes a memory for storing various software modules for driving and controlling the display apparatus 200. Such as: various software modules stored in memory 290, including: the system comprises a basic module, a detection module, a communication module, a display control module, a browser module, various service modules and the like.

The basic module is a bottom layer software module for signal communication between hardware in the display device 200 and sending processing and control signals to an upper layer module. The detection module is a management module used for collecting various information from various sensors or user input interfaces, and performing digital-to-analog conversion and analysis management.

For example: the voice recognition module comprises a voice analysis module and a voice instruction database module. The display control module is a module for controlling the display 280 to display image content, and may be used to play information such as multimedia image content and UI interface. The communication module is used for carrying out control and data communication with external equipment. And the browser module is used for executing data communication between the browsing servers. The service module is a module for providing various services and various application programs.

Meanwhile, the memory 290 is also used to store visual effect maps and the like for receiving external data and user data, images of respective items in various user interfaces, and a focus object.

A user input interface for transmitting an input signal of a user to the controller 210 or transmitting a signal output from the controller to the user. For example, the control device (e.g., a mobile terminal or a remote controller) may send an input signal, such as a power switch signal, a channel selection signal, a volume adjustment signal, etc., input by a user to the user input interface, and then the input signal is forwarded to the controller by the user input interface; alternatively, the control device may receive an output signal such as audio, video, or data output from the user input interface via the controller, and display the received output signal or output the received output signal in audio or vibration form.

In some embodiments, a user may enter a user command on a Graphical User Interface (GUI) displayed on the display 280, and the user input interface receives the user input command through the Graphical User Interface (GUI). Alternatively, the user may input the user command by inputting a specific sound or gesture, and the user input interface receives the user input command by recognizing the sound or gesture through the sensor.

The video processor 260-1 is configured to receive a video signal, and perform video data processing such as decompression, decoding, scaling, noise reduction, frame rate conversion, resolution conversion, and image synthesis according to a standard codec protocol of the input signal, so as to obtain a video signal that is directly displayed or played on the display 280.

Illustratively, the video processor 260-1 includes a demultiplexing module, a video decoding module, an image synthesizing module, a frame rate conversion module, a display formatting module, and the like.

The demultiplexing module is used for demultiplexing the input audio and video data stream, and if the input MPEG-2 is input, the demultiplexing module demultiplexes the input audio and video data stream into a video signal and an audio signal.

And the video decoding module is used for processing the video signal after demultiplexing, including decoding, scaling and the like.

And the image synthesis module is used for carrying out superposition mixing processing on the GUI signal input by the user or generated by the user and the video image after the zooming processing by the graphic generator so as to generate an image signal for display.

The frame rate conversion module is configured to convert a frame rate of an input video, such as a frame rate of an input 24Hz, 25Hz, 30Hz, or 60Hz video into a frame rate of 60Hz, 120Hz, or 240Hz, where the input frame rate may be related to a source video stream, and the output frame rate may be related to an update rate of a display screen. The input is realized in a common format by using a frame insertion mode.

And a display formatting module for converting the signal output by the frame rate conversion module into a signal conforming to a display format of a display, such as converting the format of the signal output by the frame rate conversion module to output an RGB data signal.

And a display 280 for receiving the image signal input from the video processor 260-1 and displaying the video content and image and the menu manipulation interface. The display 280 includes a display screen assembly for presenting a picture and a driving assembly for driving the display of an image. The video content may be displayed from the video in the broadcast signal received by the tuner/demodulator 220, or from the video content input from the communicator or the external device interface. And a display 220 simultaneously displaying a user manipulation interface UI generated in the display apparatus 200 and used to control the display apparatus 200.

And, a driving component for driving the display according to the type of the display 280. Alternatively, in case the display 280 is a projection display, it may also comprise a projection device and a projection screen.

The audio processor 260-2 is configured to receive an audio signal, decompress and decode the audio signal according to a standard codec protocol of the input signal, and perform noise reduction, digital-to-analog conversion, amplification and other audio data processing to obtain an audio signal that can be played in the speaker 272.

An audio output interface 270 for receiving the audio signal output by the audio processor 260-2 under the control of the controller 210, wherein the audio output interface may include a speaker 272 or an external sound output terminal 274 for outputting to a generating device of an external device, such as: external sound terminal or earphone output terminal.

In other exemplary embodiments, video processor 260-1 may comprise one or more chip components. The audio processor 260-2 may also include one or more chips.

And, in other exemplary embodiments, the video processor 260-1 and the audio processor 260-2 may be separate chips or may be integrated in one or more chips with the controller 210.

And a power supply for supplying power supply support to the display apparatus 200 from the power input from the external power source under the control of the controller 210. The power supply may include a built-in power supply circuit installed inside the display apparatus 200, or may be a power supply installed outside the display apparatus 200, such as a power supply interface for providing an external power supply in the display apparatus 200.

Fig. 3 is a block diagram schematically showing the configuration of the control apparatus 100 according to the exemplary embodiment. As shown in fig. 3, the control device 100 includes a controller 110, a communicator 130, a user input/output interface 140, a memory 190, and a power supply 180.

The control apparatus 100 is configured to control the display device 200 and may receive an input operation instruction of a user and convert the operation instruction into an instruction recognizable and responsive by the display device 200, serving as an interaction intermediary between the user and the display device 200. Such as: the user operates the channel up/down key on the control device 100, and the display device 200 responds to the channel up/down operation.

In some embodiments, the control device 100 may be a smart device. Such as: the control apparatus 100 may install various applications that control the display device 200 according to user demands.

In some embodiments, as shown in fig. 1, the mobile terminal 100B or other intelligent electronic device may function similar to the control apparatus 100 after an application for manipulating the display device 200 is installed. Such as: the user may implement the functions of controlling the physical keys of the apparatus 100 by installing applications, various function keys or virtual buttons of a graphical user interface available on the mobile terminal 100B or other intelligent electronic devices.

The controller 110 includes a processor 112, a RAM113 and a ROM114, a communication interface, and a communication bus. The controller 110 is used to control the operation of the control device 100, as well as the internal components for communication and coordination and external and internal data processing functions.

The communicator 130 enables communication of control signals and data signals with the display apparatus 200 under the control of the controller 110. Such as: the received user input signal is transmitted to the display apparatus 200. The communicator 130 may include at least one of a WIFI module 131, a bluetooth module 132, an NFC module 133, and the like.

A user input/output interface 140, wherein the input interface includes at least one of a microphone 141, a touch pad 142, a sensor 143, a key 144, and the like. Such as: the user can realize a user instruction input function through actions such as voice, touch, gesture, pressing, and the like, and the input interface converts the received analog signal into a digital signal and converts the digital signal into a corresponding instruction signal, and sends the instruction signal to the display device 200.

The output interface includes an interface that transmits the blocked user instruction to the display apparatus 200. In some embodiments, it may be an infrared interface or a radio frequency interface. Such as: when the infrared signal interface is used, the user input instruction needs to be converted into an infrared control signal according to an infrared control protocol, and the infrared control signal is sent to the display device 200 through the infrared sending module. The following steps are repeated: when the rf signal interface is used, a user input command needs to be converted into a digital signal, and then the digital signal is modulated according to the rf control signal modulation protocol and then transmitted to the display device 200 through the rf transmitting terminal.

In some embodiments, the control device 100 includes at least one of a communicator 130 and an output interface. The communicator 130 is configured in the control device 100, such as: the modules of WIFI, bluetooth, NFC, etc. may send the user input command to the display device 200 through the WIFI protocol, or the bluetooth protocol, or the NFC protocol code.

And a memory 190 for storing various operation programs, data and applications for driving and controlling the control apparatus 100 under the control of the controller 110. The memory 190 may store various control signal commands input by a user.

And a power supply 180 for providing operational power support to the components of the control device 100 under the control of the controller 110. A battery and associated control circuitry.

Fig. 4 is a diagram schematically illustrating a functional configuration of the display device 200 according to an exemplary embodiment. As shown in fig. 4, the memory 290 is used to store an operating system, an application program, contents, user data, and the like, and performs system operations for driving the display device 200 and various operations in response to a user under the control of the controller 210. The memory 290 may include volatile and/or nonvolatile memory.

The memory 290 is specifically used for storing an operating program for driving the controller 210 in the display device 200, and storing various applications installed in the display device 200, various applications downloaded by a user from an external device, various graphical user interfaces related to the applications, various objects related to the graphical user interfaces, user data information, and internal data of various supported applications. The memory 290 is used to store system software such as an Operating System (OS) kernel, middleware, and applications, and to store input video data and audio data, and other user data.

The memory 290 is specifically used for storing drivers and related data such as the video processor 260-1 and the audio processor 260-2, the display 280, the communication interface 230, the tuner demodulator 220, the detector 240, the input/output interface, etc.

In some embodiments, memory 290 may store software and/or programs, software programs for representing an Operating System (OS) including, for example: a kernel, middleware, an Application Programming Interface (API), and/or an application program. For example, the kernel may control or manage system resources, or functions implemented by other programs (e.g., the middleware, APIs, or applications), and the kernel may provide interfaces to allow the middleware and APIs, or applications, to access the controller to implement controlling or managing system resources.

The memory 290, for example, includes a broadcast receiving module 2901, a channel control module 2902, a volume control module 2903, an image control module 2904, a display control module 2905, an audio control module 2906, an external instruction recognition module 2907, a communication control module 2908, a light receiving module 2909, a power control module 2910, an operating system 2911, and other applications 2912, a browser module, and the like. The controller 210 performs functions such as: a broadcast television signal reception demodulation function, a television channel selection control function, a volume selection control function, an image control function, a display control function, an audio control function, an external instruction recognition function, a communication control function, an optical signal reception function, an electric power control function, a software control platform supporting various functions, a browser function, and the like.

Fig. 5 is a block diagram illustrating a configuration of a software system in the display apparatus 200 according to an exemplary embodiment.

As shown in fig. 5, an operating system 2911, including executing operating software for handling various basic system services and for performing hardware related tasks, acts as an intermediary between application programs and hardware components for performing data processing.

In some embodiments, portions of the operating system kernel may contain a series of software to manage the display device hardware resources and provide services to other programs or software code.

In other embodiments, portions of the operating system kernel may include one or more device drivers, which may be a set of software code in the operating system that assists in operating or controlling the devices or hardware associated with the display device. The drivers may contain code that operates the video, audio, and/or other multimedia components. Examples include a display screen, a camera, Flash, WiFi, and audio drivers.

The accessibility module 2911-1 is configured to modify or access the application program to achieve accessibility and operability of the application program for displaying content.

A communication module 2911-2 for connection to other peripherals via associated communication interfaces and a communication network.

The user interface module 2911-3 is configured to provide an object for displaying a user interface, so that each application program can access the object, and user operability can be achieved.

Control applications 2911-4 for controlling process management, including runtime applications and the like.

The event transmission system 2914 may be implemented within the operating system 2911 or within the application 2912. In some embodiments, an aspect is implemented within the operating system 2911, while implemented in the application 2912, for listening for various user input events, and will implement one or more sets of predefined operations in response to various events referring to the recognition of various types of events or sub-events.

The event monitoring module 2914-1 is configured to monitor an event or a sub-event input by the user input interface.

The event identification module 2914-1 is configured to input definitions of various types of events for various user input interfaces, identify various events or sub-events, and transmit the same to a process for executing one or more corresponding sets of processes.

The event or sub-event refers to an input detected by one or more sensors in the display device 200 and an input of an external control device (e.g., the control apparatus 100). Such as: the method comprises the following steps of inputting various sub-events through voice, inputting a gesture sub-event through gesture recognition, inputting a remote control key command of a control device and the like. Illustratively, the one or more sub-events in the remote control include a variety of forms including, but not limited to, one or a combination of key presses up/down/left/right/, ok keys, key presses, and the like. And non-physical key operations such as move, hold, release, etc.

The interface layout management module 2913, directly or indirectly receiving the input events or sub-events from the event transmission system 2914, monitors the input events or sub-events, and updates the layout of the user interface, including but not limited to the position of each control or sub-control in the interface, and the size, position, and level of the container, which are related to the layout of the interface.

As shown in fig. 6, the application layer 2912 contains various applications that may be executed at the display device 200. The application may include, but is not limited to, one or more applications such as: live television applications, video-on-demand applications, media center applications, application centers, gaming applications, and the like.

The live television application program can provide live television through different signal sources. For example, a live television application may provide television signals using input from cable television, radio broadcasts, satellite services, or other types of live television services. And, the live television application may display video of the live television signal on the display device 200.

A video-on-demand application may provide video from different storage sources. Unlike live television applications, video on demand provides a video display from some storage source. For example, the video on demand may come from a server side of the cloud storage, from a local hard disk storage containing stored video programs.

The media center application program can provide various applications for playing multimedia contents. For example, a media center, which may be other than live television or video on demand, may provide services that a user may access to various images or audio through a media center application.

The application program center can provide and store various application programs. The application may be a game, an application, or some other application associated with a computer system or other device that may be run on the smart television. The application center may obtain these applications from different sources, store them in local storage, and then be operable on the display device 200.

A schematic diagram of a user interface in a display device 200 according to an exemplary embodiment is illustrated in fig. 7. As shown in fig. 7, the user interface includes a plurality of view display areas, illustratively, a first view display area 201 and a play screen 202, wherein the play screen includes a layout of one or more different items. And a selector in the user interface indicating that the item is selected, the position of the selector being movable by user input to change the selection of a different item.

It should be noted that the multiple view display areas may present display screens of different hierarchies. For example, a first view display area may present system-level item content (e.g., current properties, etc.), and a second view display area may present application-level item content (e.g., web video, VOD presentation, application screen, etc.).

Optionally, the different view display areas are presented with different priorities, and the display priorities of the view display areas are different among the view display areas with different priorities. If the priority of the system layer is higher than that of the application layer, when the user uses the acquisition selector and picture switching in the application layer, the picture display of the view display area of the system layer is not blocked; and when the size and the position of the view display area of the application layer are changed according to the selection of the user, the size and the position of the view display area of the system layer are not influenced.

The display frames of the same hierarchy can also be presented, at this time, the selector can switch between the first view display area and the second view display area, and when the size and the position of the first view display area are changed, the size and the position of the second view display area can be changed along with the change.

At present, the image quality in the smart television is mainly controlled by the traditional method of adjusting the image quality parameters of the backlight, and although the method can realize good image quality, the method focuses on the undifferentiated control of the smart television and cannot meet the watching requirements of users. The embodiment of the application provides a display device, which can solve the problem that the watching requirement of a user cannot be met. The display device includes:

a display configured to: displaying a live video picture;

an external device interface configured to: connecting an external multimedia interface terminal for data transmission;

a controller configured to:

detecting whether a live video signal exists or not in response to a channel switching instruction input by a user; the controller corresponds to the controller in fig. 4. The channel switching instruction can be input by a user operating the controller.

It should be noted that the embodiment of the present application is applied to switching channels in a live broadcast state.

In order to ensure that the live video signal of the channel after switching is switched over in image quality parameters, whether the live video signal exists is detected firstly, and if the live video signal exists, the next step of processing is carried out.

In some embodiments, whether the live video signal exists is detected after the first preset time length in response to a channel switching instruction input by a user. The reason for this operation is that when the display device receives the switching instruction, the live video signal may not be immediately analyzed, and in order to finally avoid that the live video signal corresponding to the switched channel is not yet output, which results in failure in setting the image quality parameter, the embodiment of the present application detects whether there is a live video signal after the first preset duration.

In actual operation, when a user inputs a video switching instruction, a live video signal detection message which is not triggered is removed from a message queue, and a live video signal detection message corresponding to the channel switching instruction is added, it should be noted that the added live video signal detection message is triggered after delaying for a first preset time. When live video signal detection is triggered, it is detected whether a live video signal is present.

In addition, in the embodiment of the application, whether live video signals exist or not is detected, the live video signals can be determined according to the width and the height of the live video signals, when the width and the height meet a certain value, the live video signals are determined to exist, and otherwise, the live video signals do not exist.

In some embodiments, the controller is further configured to: if no live video signal exists, whether the live video signal exists is continuously detected.

In some embodiments, the controller is further configured to: and if the live video signal does not exist, continuously detecting whether the live video signal exists or not after a second preset time length. In this embodiment of the application, the second preset duration may be equal to the first preset duration, or may be other durations.

In some embodiments, if a live video signal exists, determining a target picture quality mode according to video data corresponding to the live video signal;

in some embodiments, the controller is configured to determine a target picture quality mode according to video data corresponding to the live video signal according to the following steps:

according to the video data, determining channel information corresponding to the live video signal, wherein the channel information includes a channel number, a channel name and channel information, the channel number is a unique label indicating a channel, and the channel information may be HDMI or HDM 2. For example, CCTV1 and CCTV2 are channel names.

Detecting whether currently played program information corresponding to the channel information exists or not;

specifically, according to the current time and the channel information, a currently played program is determined, and whether program information exists is detected, where the program information includes a program name, and the program refers to content played in different time periods in a channel. For example, the program title may be a news lineup.

If program information exists and the program information comprises a program type identifier, in order to determine that the target image quality mode is more accurate, the target image quality mode is determined according to the program type identifier.

It should be noted that the program type identifier may be a more concise word such as sports, art, news, and cartoons. In the embodiment of the present application, the target image quality modes include a sports mode, a variety mode, a cartoon mode, and a news mode, and certainly, the target image quality modes are not limited to the above-mentioned image quality modes.

For example, if the program type identifier is a cartoon, determining that the target image quality mode is a cartoon mode; when the program type is identified as the variety, determining that the target image quality mode is the variety mode; and if the program type identifier is news, determining that the target picture quality mode is a news mode.

In some embodiments, if program information exists and program type identification is not included in the program information, the target picture quality mode is determined according to the program name.

Specifically, keywords are preset for each image quality mode, for example, the keywords corresponding to the sports mode are body jar, sports, football, basketball, table tennis, ESPN, NBA, CBA, tennis, billiards, golf, world cup, and the like; the key words corresponding to the comprehensive art mode are comprehensive art, music, entertainment and the like; keywords corresponding to the movie mode are movies, cinemas and the like; the keywords corresponding to the news mode are news, financial and financial affairs, information and the like; the keywords corresponding to the cartoon mode are cartoons, animations, children and the like. In this embodiment, the keywords in the program title are extracted, the keywords in the program title are compared with the keywords corresponding to the image quality mode, and if the keywords in the program title are the same as the keywords corresponding to the image quality mode, the target image quality mode is finally determined to be the image quality mode to which the keywords belong.

In some embodiments, if no program information exists, a target picture quality mode is determined according to the channel name.

Specifically, a corresponding channel name is preset for each image quality mode, for example, a sports mode corresponds to CCTV5, CCTV5+, and the like; the comprehensive art mode corresponds to CCTV3, Shandong comprehensive art and the like; the film mode corresponds to CCTV6, film channel, etc.; news patterns correspond to CCTV2, CCTV13, etc.; the cartoon mode corresponds to CCTV14, juvenile channel, etc. In this embodiment, the channel name determined from the video data is compared with the channel name corresponding to the image quality mode, and if the channel names are the same, the target image quality mode is finally determined to be the image quality mode to which the channel name belongs.

And after the target picture quality mode is determined, switching picture quality parameters corresponding to the live video signal according to the target picture quality mode.

In some embodiments, the controller is further configured to determine a picture quality parameter corresponding to the live video signal according to the target picture quality mode according to the following steps:

determining a current picture quality mode of the live video signal;

and if the current picture quality mode is different from the target picture quality mode, switching the picture quality parameter corresponding to the live video signal into the picture quality parameter corresponding to the target picture quality mode.

Specifically, when the current image quality mode is different from the target image quality mode, the image quality parameters corresponding to the live video signal are switched to the image quality parameters corresponding to the target image quality mode, wherein the image quality parameters include backlight, contrast, brightness and the like.

In some embodiments, in order to save resources, if the current picture quality mode is the same as the target picture quality mode, the picture quality parameter corresponding to the live video signal is not switched.

In some embodiments, the display device further comprises a display;

the controller is further configured to: and after the image quality parameters corresponding to the live video signals are switched, controlling a display to display a notification prompt for switching to a target image quality mode.

Specifically, when a user inputs a channel switching instruction through the control device, the display device responds to the instruction, and after switching image quality parameters of live video data, a notification prompt is superimposed on a playing picture, and the notification prompt improves the use experience of the user. A schematic view of a user interface provided with a notification prompt provided by the display device 200 is exemplarily shown in fig. 8. Referring to fig. 8, the user interface schematic display includes a play screen 41 and a notification prompt 42. The notification prompt 42 is used to remind the user that the target image quality mode has been switched to currently.

In some embodiments, as shown in fig. 9, the notification prompt 42 includes a target image quality mode picture or animation 421, or an image quality mode switching result description 422, and further includes a shortcut setting mode description 423. Referring to fig. 8 again, in the present embodiment, the result of switching the picture quality mode is described as "switch you to the cartoon mode", and the shortcut setting mode is described as "press a menu key to perform switch setting". It should be noted that, in the embodiment of the present application, the image quality mode includes not only a cartoon mode, but also a sports mode, a variety mode, a news mode, and the like.

The target image quality mode picture or animation is visually displayed for a user, the description of the current image quality mode is given to the user by the image quality mode switching result, so that the user knows that the image quality mode is successfully switched, the mode for rapidly closing the intelligent switching image quality mode is given to the user by the rapid setting mode, the display device which is notified again clicks a menu button, the intelligent image quality switching notification switch page can be rapidly skipped to for closing, and the user experience is improved.

A second aspect of the present application shows a method for switching an intelligent image quality, as shown in fig. 10, including:

In some embodiments, the step of determining the target picture quality mode according to the video data corresponding to the live video signal includes:

determining channel information corresponding to the live video signal according to the video data, wherein the channel information comprises a channel number, a channel name and channel information;

detecting whether currently played program information corresponding to the channel information exists or not, wherein the program information comprises a program name;

and if program information exists and the program information comprises a program type identifier, determining a target image quality mode according to the program type identifier.

In some embodiments, the method further comprises: and if the program information exists and the program type identification is not included in the program information, determining the target image quality mode according to the program name.

In some embodiments, the method further comprises: and if the program information does not exist, determining a target image quality mode according to the channel name.

In some embodiments, the method further comprises: if no live video signal exists, whether the live video signal exists is continuously detected.

In some embodiments, the determining the picture quality parameter corresponding to the live video signal according to the target picture quality mode includes:

determining a current picture quality mode of the live video signal;

In some embodiments, the method further comprises: and if the current picture quality mode is the same as the target picture quality mode, not switching the picture quality parameter corresponding to the live video signal.

In some embodiments, the method further comprises: and after the image quality parameters corresponding to the live video signals are switched, controlling a display to display a notification prompt for switching to a target image quality mode.

A third aspect of the present invention is directed to a readable storage medium, wherein a smart picture quality switching program is stored in the readable storage medium, and the smart picture quality switching program implements the steps of the method for switching the smart picture quality when executed by a processor.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. A display device, comprising:

a display configured to: displaying a live video picture;

a controller configured to:

2. The display device of claim 1, wherein the controller is configured to determine a target picture quality mode based on video data corresponding to the live video signal by:

3. The display device of claim 2, wherein the controller is further configured to:

and if the program information exists and the program type identification is not included in the program information, determining the target image quality mode according to the program name.

4. The display device of claim 2, wherein the controller is further configured to:

and if the program information does not exist, determining a target image quality mode according to the channel name.

5. The display device of claim 1, wherein the controller is further configured to:

if no live video signal is present, then the presence of a live video signal is continuously detected.

6. The display device of claim 1, wherein the controller is further configured to determine the picture quality parameter corresponding to the live video signal according to the target picture quality mode by:

determining a current picture quality mode of the live video signal;

7. The display device of claim 6, wherein the controller is further configured to:

and if the current picture quality mode is the same as the target picture quality mode, not switching the picture quality parameter corresponding to the live video signal.

8. The display device of claim 6, wherein the controller is further configured to: after the image quality parameters corresponding to the live video signals are switched, controlling a display to display a notification prompt for switching to a target image quality mode;

the display further configured to: and displaying a notification prompt for switching to the target image quality mode.

9. A method for switching intelligent image quality is characterized by comprising the following steps:

10. A readable storage medium storing a smart picture quality switching program, wherein the smart picture quality switching program is executed by a processor to implement the method of switching the smart picture quality according to claim 9.