CN112073796B

CN112073796B - Image motion compensation method and display device

Info

Publication number: CN112073796B
Application number: CN201910741593.XA
Authority: CN
Inventors: 李慧娟; 左剑
Original assignee: Hisense Visual Technology Co Ltd
Current assignee: Hisense Visual Technology Co Ltd
Priority date: 2019-06-10
Filing date: 2019-08-12
Publication date: 2023-10-24
Anticipated expiration: 2039-08-12
Also published as: CN112073796A

Abstract

The embodiment of the application discloses an image motion compensation method and display equipment, wherein in the technical scheme of the embodiment of the application, a first chip firstly determines first indication information of a graphic layer signal, and converts the graphic layer signal and a first video signal into a second video signal after superposition, and then the first indication information is communicated with the second video signal and is sent to the second chip in an HDMI data packet mode. And the second chip performs motion compensation on the images except the area corresponding to the first indication information in the second video signal, and generates an image to be displayed from the second video signal after the motion compensation. The mixed compensation frame is inserted between the current frame video picture and the previous frame (or the next frame) video picture, so that the problem that the graphic layer signal is torn in the motion compensation process can be avoided.

Description

Image motion compensation method and display device

The present application claims priority from the filing of the chinese patent application with application number 201910498192.6 by the national intellectual property agency on day 6 and 10 of 2019. The entire contents of which are incorporated herein by reference.

Technical Field

The embodiment of the application relates to a display technology. And more particularly, to an image motion compensation method and a display apparatus.

Background

Currently, a display device is receiving a great deal of attention from users because it can provide a user with a play screen such as audio, video, pictures, etc. In recent years, the functional demands of users on display devices have increased. For example, a user wants to watch a high-definition cable television through a display device, and sometimes the user wants to watch a network television through the display device.

The applicant provides a dual-hardware display device in other patent application documents submitted on the same day, which can simultaneously meet the above requirements of users, and generally comprises two chips, namely a first chip and a second chip. The first chip is used for receiving the network television. The video signal of the first chip may be from a network or from a USB, and typically, the video signal of the network television includes a graphics layer signal and a video layer signal. The graphics layer signal and the video layer signal are usually sent to the first chip respectively, and the first chip directly mixes and superimposes the signals into an HDMI video signal and sends the HDMI video signal to the second chip. In order to ensure smooth played pictures, the second chip needs to perform motion compensation on the received HDMI video signal.

However, the video layer signal is usually a signal with a certain motion vector, and if the motion compensation technology is only applied to the video layer signal, the video layer signal is smoother and has no obvious jitter phenomenon. However, the HDMI signal received by the second chip is a signal obtained by mixing and superimposing the image layer signal and the video signal, in which case if the HDMI signal is subjected to motion compensation, the motion vector is the motion vector obtained by superimposing the video signal and the image layer signal, and the image layer signal in the motion compensation frame has to have a movement of the pixel point compared with the image layer signal of the two frames before and after, and at this time, the phenomenon that the picture of the image layer signal is torn occurs.

Disclosure of Invention

Based on the above technical problems, an object of the present application is to provide an image motion compensation method and a display device.

The first aspect of the embodiment of the application shows

The image motion compensation method is applied to display equipment, the display equipment comprises a first chip and a second chip, the first chip determines first indication information of a graphic layer signal, and the first indication information comprises position information of a graphic layer corresponding to the graphic layer signal, wherein the first indication information is converted into a second video signal after the graphic layer signal and a first video signal are overlapped;

The first chip sends the first indication information and the second video signal to the second chip;

the second chip performs motion compensation on images except for the area corresponding to the first indication information in the second video signal, and does not perform motion compensation on the images of the area corresponding to the first indication information in the second video signal;

and the second chip generates an image to be displayed according to the second video signal after the motion compensation.

A second aspect of an embodiment of the present application shows a display device, including a first chip and a second chip:

the first chip is configured to determine first indication information of a graphic layer signal, and convert the graphic layer signal and a first video signal into a second video signal after superposition, wherein the first indication information comprises position information of a graphic layer corresponding to the graphic layer signal; transmitting the first indication information and the second video signal to the second chip;

the second chip is configured to perform motion compensation on the images except for the area corresponding to the first indication information in the second video signal, perform no motion compensation on the images of the area corresponding to the first indication information in the second video signal, and generate an image to be displayed according to the second video signal after the motion compensation.

As can be seen from the above technical solutions, the embodiments of the present application show an image motion compensation method and a display device, where in the technical solutions shown in the embodiments of the present application, a first chip first determines first indication information of a graphics layer signal, where the first indication information includes position information of a graphics layer corresponding to the graphics layer signal, and superimposes the graphics layer signal and a first video signal and then converts the superimposed graphics layer signal and first video signal into a second video signal, and then sends the first indication information, together with the second video signal, to the second chip in an HDMI data packet form. And the second chip performs motion compensation on the images except the area corresponding to the first indication information in the second video signal, and the second chip splices the images subjected to the motion compensation and the images of the graphic layer signals to generate an image to be displayed. The mixed compensation frame is inserted between the current frame video picture and the previous frame (or the next frame) video picture, so that the problem that the graphic layer signal is torn in the motion compensation process can be avoided.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are 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 application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

A schematic diagram of an operation scenario between a display device and a control apparatus according to an embodiment is exemplarily shown in fig. 1;

a hardware configuration block diagram of the control apparatus 100 according to the embodiment is exemplarily shown in fig. 2;

a hardware configuration block diagram of the display device 200 in accordance with the embodiment is exemplarily shown in fig. 3;

a hardware architecture block diagram of the display device 200 according to fig. 3 is exemplarily shown in fig. 4;

a functional configuration diagram of the display device 200 according to the embodiment is exemplarily shown in fig. 5;

a schematic diagram of the software configuration in the display device 200 according to an embodiment is exemplarily shown in fig. 6 a;

a schematic configuration of an application in the display device 200 according to an embodiment is exemplarily shown in fig. 6 b;

a schematic diagram of a user interface in a display device 200 according to an embodiment is exemplarily shown in fig. 7;

a flowchart of an image motion compensation method is exemplarily shown in fig. 8;

a schematic diagram of a processing flow of the first video signal and the graphics layer signal by the first chip is exemplarily shown in fig. 9;

a schematic diagram of a frame picture is exemplarily shown in fig. 10;

fig. 11 is a schematic diagram schematically showing a frame;

a schematic diagram of a frame picture is exemplarily shown in fig. 12.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of exemplary embodiments of the present application more apparent, the technical solutions of exemplary embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the exemplary embodiments of the present application, and it is apparent that the described exemplary embodiments are only some embodiments of the present application, not all embodiments.

For convenience of use, various external device interfaces are usually provided on the display device, so as to connect different peripheral devices or cables to realize corresponding functions. When the high-definition camera is connected to the interface of the display device, if the hardware system of the display device does not have the hardware interface of the high-pixel camera for receiving the source code, the data received by the camera cannot be presented on the display screen of the display device.

Also, due to the hardware structure, the hardware system of the conventional display device only supports one path of hard decoding resource, and usually only supports video decoding with a resolution of 4K at maximum, so when video chat while watching the network television is to be implemented, in order not to reduce the definition of the network video picture, it is necessary to decode the network video using the hard decoding resource (typically, GPU in the hardware system), and in this case, only the video chat picture can be processed in such a way that the video is soft decoded by a general processor (e.g. CPU) in the hardware system.

The soft decoding is adopted to process the video chat pictures, so that the data processing load of the CPU is greatly increased, and when the data processing load of the CPU is too heavy, the problems of picture blocking or unsmooth can occur. Furthermore, due to the data processing capability of the CPU, when the video chat frame is processed by adopting the soft decoding of the CPU, the multi-channel video call cannot be realized, and when the user wants to perform video chat with a plurality of other users at the same time in the same chat scene, the situation of access blocking occurs.

Based on the above-mentioned aspects, to overcome the above-mentioned drawbacks, the present application discloses a dual hardware system architecture to implement multiple video chat data (at least one local video).

The concept of the present application will be described with reference to the accompanying drawings. It should be noted that the following descriptions of the concepts are only for making the content of the present application easier to understand, and do not represent a limitation on the protection scope of the present application.

The term "module" as used in various embodiments of the present application may refer 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 function associated with that element.

The term "remote control" as used in the various embodiments of the present application refers to a component of an electronic device (such as a display device as disclosed herein) that can typically wirelessly control the electronic device over a relatively short range of distances. The assembly may be connected to the electronic device generally using infrared and/or Radio Frequency (RF) signals and/or bluetooth, and may also include functional modules such as WiFi, wireless USB, bluetooth, motion sensors, etc. For example: the hand-held touch remote controller replaces most of the physical built-in hard keys in a general remote control device with a touch screen user interface.

The term "gesture" as used in embodiments of the present application refers to a user's behavior through a change in hand or motion of the hand, etc., for expressing an intended idea, action, purpose, and/or result.

The term "hardware system" as used in embodiments of the present application may refer to a physical component comprising mechanical, optical, electrical, magnetic devices such as integrated circuits (Integrated Circuit, ICs), printed circuit boards (Printed circuit board, PCBs) with computing, control, storage, input and output functions. In various embodiments of the present application, the hardware system may also be generally referred to as a motherboard (or chip).

A schematic diagram of an operation scenario between a display device and a control apparatus according to an embodiment is exemplarily shown in fig. 1. As shown in fig. 1, a user may operate the display apparatus 200 by controlling the device 100.

The control device 100 may be a remote controller 100A, which may communicate with the display device 200 through infrared protocol communication, bluetooth protocol communication, zigBee protocol communication, or other short-range communication, and is used to control the display device 200 through wireless or other wired modes. The user may control the display device 200 by inputting user instructions through keys on a remote control, voice input, control panel input, etc. Such as: the user can input corresponding control instructions through volume up-down keys, channel control keys, up/down/left/right movement keys, voice input keys, menu keys, on-off keys, etc. on the remote controller to realize the functions of the control display device 200.

The control apparatus 100 may also be a smart device, such as a mobile terminal 100B, a tablet, a computer, a notebook, etc., which may communicate with the display device 200 through a local area network (LAN, local Area Network), a wide area network (WAN, wide Area Network), a wireless local area network ((WLAN, wireless Local Area Network) or other networks, and control the display device 200 through an application program corresponding to the display device 200.

By way of example, both the mobile terminal 100B and the display device 200 may be provided with software applications, so that connection communication between the two may be implemented through a network communication protocol, thereby achieving the purpose of one-to-one control operation and data communication. Such as: the mobile terminal 100B and the display device 200 can be made to establish a control instruction protocol, the remote control keyboard is synchronized to the mobile terminal 100B, and the functions of controlling the display device 200 are realized by controlling the user interface on the mobile terminal 100B; the audio/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 through a variety of communication means. In various embodiments of the present application, display device 200 may be allowed to communicate with server 300 via a local area network, wireless local area network, or other network. The server 300 may provide various contents and interactions to the display device 200.

By way of example, the display device 200 receives software program updates by sending and receiving information, and electronic program guide (EPG, electronic Program Guide) interactions, or accesses a remotely stored digital media library. The servers 300 may be one group, may be multiple groups, and may be one or more types of servers. Other web service content such as video on demand and advertising services are provided through the server 300.

The display device 200, in one aspect, may be a liquid crystal display, OLED (Organic Light Emitting Diode) display, projection display device; in another aspect, the display device may be a smart television or a display system of a display and a set-top box. The particular display device type, size, resolution, etc. are not limited, and those skilled in the art will appreciate that the display device 200 may be subject to some changes in performance and configuration as desired.

The display device 200 may additionally provide an intelligent network television function of a computer support function in addition to the broadcast receiving television function. Examples include web tv, smart tv, internet Protocol Tv (IPTV), etc. In some embodiments, the display device may not have broadcast receiving television functionality.

As shown in fig. 1, a camera may be connected to or disposed on the display device, so as to present a picture surface captured by the camera on a display interface of the display device or other display devices, so as to implement interactive chat between users. Specifically, the picture shot by the camera can be displayed in a full screen, a half screen or any optional area on the display device.

As an optional connection mode, the camera is connected with the display back shell through the connecting plate, is fixedly arranged in the middle of the upper side of the display back shell, and can be fixedly arranged at any position of the display back shell in a mountable mode, so that an image acquisition area of the camera can be prevented from being blocked by the back shell, for example, the display orientation of the image acquisition area is the same as that of display equipment.

As another alternative connection mode, the camera is connected with the display back shell in a liftable manner through a connection plate or other conceivable connectors, and a lifting motor is installed on the connectors, so that when a user needs to use the camera or has an application program to use the camera, the camera is lifted out of the display, and when the user does not need to use the camera, the camera can be embedded behind the back shell so as to protect the camera from damage.

As an embodiment, the camera adopted by the application can be 1600 ten thousand pixels so as to achieve the purpose of ultra-high definition display. In practical use, cameras higher or lower than 1600 ten thousand pixels may also be used.

After the camera is installed on the display device, the contents displayed in different application scenes of the display device can be fused in a plurality of different modes, so that the function which cannot be realized by the traditional display device is achieved.

For example, a user may conduct a video chat with at least one other user while watching a video program. The presentation of the video program may be a background picture over which a window of video chat is displayed. The function is visual and can be called as 'chat while watching'.

Optionally, in the scene of "watch while chat", at least one video chat is performed across terminals while live video or network video is being watched.

In another example, a user may conduct a video chat with at least one other user while entering the educational application study. For example, students may be able to achieve remote interaction with teachers while learning content in educational applications. The function is visual and can be called as 'learning while boring'.

In another example, a user may conduct a video chat with a player entering a game while playing a card game. For example, a player may enable remote interaction with other players when entering a gaming application to participate in a game. The function is visual and can be called 'play while watching'.

Optionally, the game scene is fused with the video picture, the portrait in the video picture is scratched, and the portrait is displayed in the game picture, so that the user experience is improved.

Optionally, in somatosensory games (such as ball playing, boxing, running, dancing, etc.), the body gestures and actions are obtained through the camera, limb detection and tracking, detection of key point data of the bones of the body, and then the body gestures and actions are fused with animation in the games, so that the games of scenes such as sports, dance, etc. are realized.

In another example, a user may interact with at least one other user in a karaoke application, video and voice. The function is visual and can be called 'watch and sing'. Preferably, when at least one user enters the application in the chat scene, a plurality of users can jointly complete recording of one song.

In another example, the user may open the camera locally to take pictures and video, and the function may be referred to as "looking at the mirror".

In other examples, more functions may be added or the above functions may be reduced. The function of the display device is not particularly limited by the present application.

A block diagram of the configuration of the control apparatus 100 according to the exemplary embodiment is exemplarily shown in fig. 2. As shown in fig. 2, 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 to receive an input operation instruction from a user, and to convert the operation instruction into an instruction recognizable and responsive to the display device 200, and to perform an interaction between the user and the display device 200. Such as: the user responds to the channel addition and subtraction operation by operating the channel addition and subtraction key on the control apparatus 100.

In some embodiments, the control apparatus 100 may be a smart device. Such as: the control apparatus 100 may install various applications for controlling the display device 200 according to user's needs.

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

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

The communicator 130 performs communication of control signals and data signals with the display device 200 under the control of the controller 110. Such as: the received user input signal is transmitted to the display device 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, keys 144, etc. Such as: the user can implement a user instruction input function through actions such as voice, touch, gesture, press, and the like, and the input interface converts a received analog signal into a digital signal and converts the digital signal into a corresponding instruction signal, and sends the corresponding instruction signal to the display device 200.

The output interface includes an interface that transmits the received user instruction to the display device 200. In some embodiments, an infrared interface may be used, as well as 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. And the following steps: when the radio frequency signal interface is used, the user input instruction is converted into a digital signal, and then the digital signal is modulated according to a radio frequency control signal modulation protocol and then transmitted to the display device 200 through the radio frequency transmission terminal.

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

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

A power supply 180 for providing operating power support for the various elements of the control device 100 under the control of the controller 110. May be a battery and associated control circuitry.

A hardware configuration block diagram of a hardware system in the display device 200 according to an exemplary embodiment is exemplarily shown in fig. 3.

When the dual hardware system architecture is adopted, the organization relationship of the hardware system can be shown in fig. 3. For convenience of description, one hardware system in the dual hardware system architecture is referred to as a first hardware system or a system, a chip, and the other hardware system is referred to as a second hardware system or N system, N chip. The A chip comprises a controller of the A chip and various modules connected with the controller of the A chip through various interfaces, and the N chip comprises a controller of the N chip and various modules connected with the controller of the N chip through various interfaces. The a chip and the N chip may be respectively provided with a relatively independent operating system, and the operating system of the a chip and the operating system of the N chip may communicate with each other through a communication protocol, which is exemplary: the frame work layer of the operating system of the a-chip and the frame work layer of the operating system of the N-chip may communicate for command and data transmission, such that there are two independent but interrelated subsystems in the display device 200.

As shown in fig. 3, the a chip and the N chip may be connected, communicated, and powered through a plurality of different types of interfaces. The interface types of the interface between the a chip and the N chip may include General-purpose input/output (GPIO), USB interface, HDMI interface, UART interface, and the like. One or more of these interfaces may be used between the a-chip and the N-chip for communication or power transfer. For example, as shown in fig. 3, in the dual hardware system architecture, an external power source (power) may supply power to the N chip, while the a chip may not be supplied with power from the external power source, but may be supplied with power from the N chip.

In addition to the interface for connection with the N chip, the a chip may also contain an interface for connection with other devices or components, such as an MIPI interface for connection with a Camera (Camera), a bluetooth interface, etc., as shown in fig. 3.

Similarly, the N chip may include, in addition to an interface for connecting with the N chip, a VBY interface for connecting with the display TCON (Timer Control Register), an i2S interface for connecting with a power Amplifier (AMP) and a Speaker (Speaker); and IR/Key interfaces, USB interfaces, wifi interfaces, bluetooth interfaces, HDMI interfaces, tuner interfaces, etc.

The dual hardware system architecture of the present application is further described below with reference to fig. 4. It should be noted that fig. 4 is only an exemplary illustration of the dual hardware system architecture of the present application, and is not meant to limit the present application. In practical applications, both hardware systems may include more or fewer hardware or interfaces as desired.

A hardware architecture block diagram of the display device 200 according to fig. 3 is exemplarily shown in fig. 4. As shown in fig. 4, the hardware system of the display device 200 may include an a-chip and an N-chip, and a module connected to the a-chip or the N-chip through various interfaces.

The N-chip may include a modem 220, a communicator 230, 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 output interface 270, a power supply. In other embodiments the N-chip may also include more or fewer modules.

The modem 220 is configured to perform modulation and demodulation processes such as amplification, mixing, and resonance on a broadcast television signal received by a wired or wireless manner, so as to demodulate 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) from a plurality of wireless or wired broadcast television signals. Depending on the broadcasting system of the television signal, the signal paths of the modem 220 may be various, such as: terrestrial broadcasting, cable broadcasting, satellite broadcasting, internet broadcasting, or the like; according to different modulation types, the signal adjustment mode can be a digital modulation mode or an analog modulation mode; and the modem 220 may demodulate analog signals and/or digital signals according to the kind of received television signals.

The tuning demodulator 220 is further configured to respond to the user-selected television channel frequency and the television signal carried by the frequency according to the user selection and controlled by the controller 210.

In other exemplary embodiments, the modem 220 may also be in an external device, such as an external set-top box, or the like. In this way, the set-top box outputs the television audio/video signal after modulation and demodulation, and inputs the television audio/video signal to the display apparatus 200 through the external device interface 250.

Communicator 230 is a component for communicating with external devices or external servers according to various communication protocol types. For example: 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 such as an infrared communication protocol module or a near field communication protocol module.

The display device 200 may establish a connection of control signals and data signals with an external control device or a content providing device 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 external device interface 250 is a component that provides data transfer between the N-chip controller 210 and the a-chip and other external devices. The external device interface may be connected to an external device 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., a moving image), an audio signal (e.g., music), additional information (e.g., an EPG), etc., of the external device.

Among other things, the external device interface 250 may include: the High Definition Multimedia Interface (HDMI) terminals are also referred to as HDMI251, composite Video Blanking Sync (CVBS) terminals are also referred to as AV252, analog or digital component terminals are also referred to as any one or more of component 253, universal Serial Bus (USB) terminal 254, red Green Blue (RGB) terminals (not shown in the figures), etc. The present application is not limited in the number and type of external device interfaces.

The controller 210 controls the operation of the display device 200 and responds to user operations by running various software control programs (e.g., an operating system and/or various application programs) stored on the memory 290.

As shown in fig. 4, the controller 210 includes a read only memory RAM213, a random access memory ROM214, a graphics processor 216, a CPU processor 212, a communication interface 218, and a communication bus. The RAM213 and the ROM214 are connected to the graphics processor 216, the CPU processor 212, and the communication interface 218 via buses.

A ROM213 for storing instructions for various system starts. When the power of the display device 200 starts to be started when the power-on signal is received, the CPU processor 212 executes a system start instruction in the ROM, and copies the operating system stored in the memory 290 into the RAM214 to start to run the start-up operating system. When the operating system is started, the CPU processor 212 copies various applications in the memory 290 to the RAM214, and then starts running the various applications.

A graphics processor 216 for generating various graphical objects, such as: icons, operation menus, user input instruction display graphics, and the like. The device comprises an arithmetic unit, wherein the arithmetic unit is used for receiving various interaction instructions input by a user to carry out operation and displaying various objects according to display attributes. And a renderer that generates various objects based on the results of the operator, and displays the results of rendering on the display 280.

CPU processor 212 is operative to execute 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 multiple processors. One of 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 the pre-power-up mode and/or displaying a picture in the normal mode. A plurality of or a sub-processor for performing an operation in a standby mode or the like.

The communication interfaces may include first interface 218-1 through 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 to select 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: operations to connect to a hyperlink page, document, image, etc., or operations to execute a program corresponding to an icon are displayed. The user command for selecting the UI object may be an input command through various input means (e.g., mouse, keyboard, touch pad, etc.) connected to the display device 200 or a voice command corresponding to a voice uttered by the user.

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

The base module is a bottom software module for signal communication between the various hardware in the display device 200 and for sending processing and control signals to the upper modules. The detection module is a management module 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 can be used for playing multimedia image content, UI interface and other information. The communication module is used for controlling and data communication with external equipment. The browser module is a module for performing data communication between the browsing servers. The service module is used for providing various services and various application programs.

Meanwhile, the memory 290 is also used to store received external data and user data, images of various items in various user interfaces, visual effect maps of focus objects, and the like.

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

In some embodiments, a user may input a user command through 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 recognizes the sound or gesture through the sensor to receive the user input command.

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 composition according to a standard codec protocol of an input signal, so as to obtain a video signal that is directly displayed or played on the display 280.

The video processor 260-1, by way of example, includes a demultiplexing module, a video decoding module, an image compositing module, a frame rate conversion module, a display formatting module, and the like.

The demultiplexing module is used for demultiplexing the input audio/video data stream, such as the input MPEG-2, and demultiplexes the input audio/video data stream into video signals, audio signals and the like.

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

And an image synthesis module, such as an image synthesizer, for performing superposition mixing processing on the graphic generator and the video picture after the scaling processing according to the GUI signal input by the user or generated by the graphic generator, so as to generate an image signal for display.

A frame rate conversion module, configured to convert a frame rate of an input video, such as converting a frame rate of an input 24Hz, 25Hz, 30Hz, 60Hz video to 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. The input is carried out in a usual format such as a frame inserting 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 such as a display, for example, format converting the signal output by the frame rate conversion module to output an RGB data signal.

A display 280 for receiving image signals from the video processor 260-1 for displaying video content and images and a menu manipulation interface. The display 280 includes a display assembly for presenting pictures and a drive assembly for driving the display of images. The video content may be displayed from a video in a broadcast signal received by the modem 220 or may be displayed from a video input from a communicator or an external device interface. And a display 280 for simultaneously displaying a user manipulation interface UI generated in the display device 200 and used to control the display device 200.

And, depending on the type of display 280, a drive assembly for driving the display. Alternatively, if the display 280 is a projection display, a projection device and projection screen may be included.

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

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

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

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

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

Similar to the N chip, the A chip may include a controller 310, a communicator 330, a detector 340, and a memory 390, as shown in FIG. 4. A user input interface, a video processor, an audio processor, a display, an audio output interface may also be included in some embodiments. In some embodiments, there may also be a power supply that independently powers the a-chip.

The communicator 330 is a component for communicating with external devices or external servers according to various communication protocol types. For example: the communicator 330 may include a WIFI module 331, a bluetooth communication protocol module 332, a wired ethernet communication protocol module 333, and other network communication protocol modules such as an infrared communication protocol module or a near field communication protocol module.

The a-chip communicator 330 and the N-chip communicator 230 also interact with each other. For example, the WiFi module 231 in the N-chip hardware system is used to connect to an external network, and generate network communication with an external server, etc. The WiFi module 331 in the a-chip hardware system is used for connecting to the WiFi module 231 of the N-chip, and is not directly connected to an external network or the like, and the a-chip is connected to the external network through the N-chip. Thus, for the user, a display device as in the above embodiment displays a WiFi account to the outside.

The detector 340 is a component of the display device a chip for collecting signals of the external environment or interacting with the outside. The detector 340 may include a light receiver 342, a sensor for capturing ambient light intensity, a display parameter change that may be adapted by capturing ambient light, etc.; the system can also comprise an image collector 341, such as a camera, a video camera and the like, which can be used for collecting external environment scenes, collecting attributes of a user or interacting gestures with the user, adaptively changing display parameters and identifying the gestures of the user so as to realize the interaction function with the user.

An external device interface 350 provides components for data transfer between the controller 310 and the N-chip or other external devices. The external device interface may be connected with external apparatuses such as a set-top box, a game device, a notebook computer, and the like in a wired/wireless manner.

A video processor 360 for processing the relevant video signals.

The controller 310 controls the operation of the display device 200 and responds to user operations by running various software control programs stored on the memory 390 (e.g., with an installed third party application, etc.), as well as interactions with the N-chip.

As shown in fig. 4, the controller 310 includes a read only memory ROM313, a random access memory RAM314, a graphics processor 316, a CPU processor 312, a communication interface 318, and a communication bus. The ROM313 and RAM314, and the graphics processor 316, CPU processor 312, and communication interface 318 are connected by a bus.

A ROM313 for storing instructions for various system starts. The CPU processor 312 runs the system boot instructions in ROM and copies the operating system stored in the memory 390 into the RAM314 to begin running the boot operating system. When the operating system is started, the CPU processor 312 copies various applications in the memory 390 to the RAM314, and then starts running the various applications.

The CPU processor 312 is configured to execute instructions of an operating system and applications stored in the memory 390, and to communicate with the N chip, transmit and interact with signals, data, instructions, etc., and execute various applications, data, and contents according to various interaction instructions received from the outside, so as to finally display and play various audio and video contents.

The communication interfaces may include first interface 318-1 through nth interface 318-n. These interfaces may be network interfaces connected to external devices via a network, or network interfaces connected to an N-chip via a network.

The controller 310 may control the overall operation of the display apparatus 200. For example: in response to receiving a user command to select 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.

A graphics processor 316 for generating various graphical objects, such as: icons, operation menus, user input instruction display graphics, and the like. The device comprises an arithmetic unit, wherein the arithmetic unit is used for receiving various interaction instructions input by a user to carry out operation and displaying various objects according to display attributes. And a renderer that generates various objects based on the results of the operator, and displays the results of rendering on the display 280.

Both the a-chip graphics processor 316 and the N-chip graphics processor 216 are capable of generating various graphics objects. By distinction, if application 1 is installed on the a-chip and application 2 is installed on the N-chip, the a-chip graphics processor 316 generates a graphical object when the user makes a user input instruction at the interface of application 1 and within application 1. When the user is at the interface of application 2 and the instruction of the user input is made within application 2, a graphical object is generated by the graphics processor 216 of the N-chip.

A functional configuration diagram of a display device according to an exemplary embodiment is exemplarily shown in fig. 5.

As shown in fig. 5, the a-chip memory 390 and the N-chip memory 290 are used to store an operating system, application programs, contents, user data, and the like, respectively, and perform system operations for driving the display device 200 and various operations in response to a user under the control of the a-chip controller 310 and the N-chip controller 210. Memory 390 of the a-chip and memory 290 of the N-chip may include volatile and/or nonvolatile memory.

For the N chip, the memory 290 is specifically used for storing an operation program for driving the controller 210 in the display device 200, and storing various application programs built in the display device 200, various application programs downloaded by a user from an external device, various graphic user interfaces related to the application programs, various objects related to the graphic user interfaces, user data information, and various internal data supporting the application programs. 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, as well as other user data.

Memory 290 is specifically used to store drivers and related data for video processor 260-1 and audio processor 260-2, display 280, communicator 230, modem 220, input/output interfaces, and the like.

In some embodiments, memory 290 may store software and/or programs, the software programs used to represent 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 (such as the middleware, APIs, or application programs), and the kernel may provide interfaces to allow the middleware and APIs, or applications to access the controller to implement control or management of system resources.

By way of example, the memory 290 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, a first 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 executes various software programs in the memory 290 such as: broadcast television signal receiving and demodulating functions, television channel selection control functions, volume selection control functions, image control functions, display control functions, audio control functions, external instruction recognition functions, communication control functions, optical signal receiving functions, power control functions, software control platforms supporting various functions, browser functions and other various functions.

Memory 390 includes storage for various software modules for driving and controlling display device 200. Such as: various software modules stored in memory 390, including: a basic module, a detection module, a communication module, a display control module, a browser module, various service modules and the like. Since the functions of the memory 390 and the memory 290 are similar, the relevant portions will be referred to as the memory 290, and will not be described herein.

By way of example, the memory 390 includes an image control module 3904, a second audio control module 3906, an external instruction recognition module 3907, a communication control module 3908, a light receiving module 3909, an operating system 3911, and other application programs 3912, a browser module, and the like. The controller 210 executes various software programs in the memory 290 such as: image control function, display control function, audio control function, external instruction recognition function, communication control function, optical signal receiving function, power control function, software control platform supporting various functions, browser function and other various functions.

Differentially, the N-chip external instruction recognition module 2907 and the a-chip external instruction recognition module 3907 may recognize different instructions.

For example, since the image receiving device such as a camera is connected to the a chip, the external command recognition module 3907 of the a chip may include a graphic recognition module 2907-1, where a graphic database is stored in the graphic recognition module 3907-1, and when the camera receives an external graphic command, the camera performs a correspondence with the command in the graphic database to perform command control on the display device. Since the voice receiving device and the remote controller are connected with the N chip, the external command recognition module 2907 of the N chip may include a voice recognition module 2907-2, where a voice database is stored in the voice recognition module 2907-2, and when the voice receiving device receives an external voice command or when the voice receiving device receives an external voice command, the voice receiving device performs a corresponding relationship with the command in the voice database, so as to perform command control on the display device. Similarly, the control device 100 such as a remote controller is connected to the N chip, and the key instruction recognition module 2907-3 performs instruction interaction with the control device 100.

A block diagram of the configuration of the software system in the display device 200 according to an exemplary embodiment is schematically shown in fig. 6 a.

For an N-chip, as shown in fig. 6a, operating system 2911, which includes executing operating software for handling various basic system services and for performing hardware-related tasks, acts as a medium for completing data processing between applications and hardware components.

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

In other embodiments, portions of the operating system kernel may contain one or more device drivers, which may be a set of software code in the operating system that helps operate or control the devices or hardware associated with the display device. The driver may contain code to operate video, audio and/or other multimedia components. Examples include a display, camera, flash, wiFi, and audio drivers.

Wherein, accessibility module 2911-1 is configured to modify or access an application program to realize accessibility of the application program and operability of display content thereof.

The communication module 2911-2 is used for connecting with other peripheral devices via related communication interfaces and communication networks.

User interface module 2911-3 is configured to provide an object for displaying a user interface for access by each application program, so as to implement user operability.

Control applications 2911-4 are used to control process management, including runtime applications, and the like.

The event delivery system 2914 may be implemented within the operating system 2911 or in the application 2912. In some embodiments, one aspect is implemented within the operating system 2911, while the application 2912 is implemented to monitor various user input events, and to refer to a process program that implements one or more sets of predefined operations in response to recognition results of various events or sub-events, based on the various events.

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

The event recognition module 2914-2 is configured to input definitions of various events to various user input interfaces, recognize various events or sub-events, and transmit them 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 (such as the control apparatus 100). Such as: various sub-events are input through voice, gesture input sub-events of gesture recognition, sub-events of remote control key instruction input of a control device and the like. By way of example, one or more sub-events in the remote control may include a variety of forms including, but not limited to, one or a combination of key press up/down/left/right/, ok key, key press, etc. And operations of non-physical keys, such as movement, holding, releasing, etc.

The interface layout management module 2913 directly or indirectly receives the user input events or sub-events from the event transmission system 2914, and is used for updating the layout of the user interface, including but not limited to the positions of the controls or sub-controls in the interface, and various execution operations related to the interface layout, such as the size or position of the container, the level, and the like.

Since the functions of the operating system 3911 of the a chip and the operating system 2911 of the N chip are similar, the relevant parts only need to be referred to the operating system 2911, and the description thereof will be omitted.

As shown in fig. 6b, the application layer of the display device contains various applications that may be executed on the display device 200.

The N-chip application layer 2912 may include, but is not limited to, one or more applications such as: video on demand applications, application centers, gaming applications, etc. The application layer 3912 of the a-chip may include, but is not limited to, one or more applications such as: live television applications, media center applications, etc. It should be noted that what application programs are respectively contained on the a chip and the N chip are determined according to the operating system and other designs, and the invention does not need to specifically limit and divide the application programs contained on the a chip and the N chip.

Live television applications can provide live television through different signal sources. For example, a live television application may provide television signals using inputs from cable television, radio broadcast, 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.

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

The media center application may provide various applications for playing multimedia content. For example, a media center may be a different service than live television or video on demand, and a user may access various images or audio through a media center application.

An application center may be provided to store various applications. The application may be a game, an application, or some other application associated with a computer system or other device but operable on a display device. The application center may obtain these applications from different sources, store them in local storage, and then be run 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 an item is selected, the position of the selector being movable by user input to change selection of a different item.

It should be noted that the multiple view display areas may present different levels of display images. For example, the first view display region may present video chat item content and the second view display region may present application layer item content (e.g., web page video, VOD presentation, application screen, etc.).

Optionally, the presentation of different view display areas has priority difference, 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 the 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 affected.

The same level of display may be presented, in which case the selector may switch between the first view display region and the second view display region, and the size and position of the second view display region may change as the size and position of the first view display region changes.

Since separate operating systems may be installed in the a chip and the N chip, there are two independent but interrelated subsystems in the display device 200. For example, android (Android) and various types of APP can be independently installed on the chip A and the chip N, so that each chip can realize a certain function, and the chip A and the chip N can cooperatively realize a certain function.

In the practical application process, the first chip (the technical solution shown in the embodiment of the present application is also referred to as an a chip) and the second chip (the technical solution shown in the embodiment of the present application is also referred to as an N chip) may be both used to receive the video signal. Wherein the video signal comprises: network video signals derived from network media, cable video signals derived from a broadcast television network, and pre-stored local video signals. In a specific application process, the a chip is used for receiving a network video signal and a local video signal. The N chip is used for receiving the local video signal and the wired video signal of the network video signal transmitted by the A chip.

Taking the first chip for receiving the network video signal as an example. Typically, the network video signal comprises: video layer signals. The first chip is provided with a graphic layer signal generator, and the first chip receives the network video signal and simultaneously generates corresponding graphic layer signals according to requirements. The first chip needs to send the video layer signal and the graphics layer signal to the second chip. And the second chip processes the video layer signals and the graphic layer signals and then sends the processed video layer signals and the processed graphic layer signals to a display screen of the display equipment for displaying. In order to ensure smooth pictures, the second chip generally needs to perform image processing on the received video signal, for example: and (5) motion compensation processing.

In the motion compensation process, since the video layer signals are all signals with certain motion vectors, if the motion compensation technology only acts on the video layer signals, the video layer signals are smoother and have no obvious jitter phenomenon. However, if the signal received by the second chip is a video image signal generated by superimposing a video layer signal and a graphics layer signal, there is a need to move the pixel point in the motion compensation frame compared to the graphics layer signal of the two frames before and after. According to the HDMI protocol, the video layer signal and the graphics layer signal cannot be transmitted simultaneously under the HDMI channel, so that the first chip mixes the video layer signal and the graphics layer signal, encodes the video layer signal into a video image signal according to the HDMI protocol, and transmits the video image signal to the second chip. Therefore, the second chip cannot distinguish whether the received video image signal contains the graphics layer signal, and if the motion compensation processing is continuously performed on the video image signal containing the graphics layer signal, the phenomenon that the picture of the area corresponding to the graphics layer signal is torn occurs. Thus, one solution that may be employed is: if the graphic layer time information exists, the first chip sends an indication message for closing motion compensation to the second chip, and correspondingly, the second chip does not perform motion compensation processing on the received video image signal. However, when the existing third party application program plays the video in full screen, a transparent graphic layer is created and is superimposed on the image of the video layer, and if the motion compensation function is completely closed directly, the phenomenon of serious jitter of the output picture occurs.

In view of the above problems, an embodiment of the present application shows an image motion compensation method applied to a display device including a first chip and a second chip.

In this embodiment, the first video signal may be a video signal or an image signal, where the first video signal may be a video signal derived from a network medium or a local medium, or may be an image signal derived from a network medium or a local medium, and specifically may include a network movie, a television show, news, a variety program, an advertisement, and other video programs; and also comprises video programs such as self-timer Dv short sheets, video chat, video games and the like.

In this embodiment, the graphics layer signal is also called OSD (Object Sequence Diagram, on screen menu adjustment). The graphics layer signal originates from a graphics layer signal generator disposed within the first chip. The OSD layer signal mainly includes user settings, a prompt menu, a third party application layer, and the like, and is controlled and implemented by a surface finger service (also called a graphics layer signal generator) in the android system.

When the graphics layer signal generator has surface output, the graphics layer picture frame can be intercepted by the graphics layer signal; and then, judging whether the graphics layer corresponding to the graphics layer signal is a transparent layer or not according to an analysis result of pixel values of pixel points in the graphics layer picture frame. For example, by detecting whether the pixel values of each pixel point in the image frame of the graphics layer are all 0, that is, when the pixel values of each pixel point all satisfy r=0, b=0, and g=0, it is described that the graphics layer corresponding to the graphics layer signal is a transparent layer, but the method is not limited to this detection method, and other methods, such as region detection, may be adopted.

If the graphics layer corresponding to the graphics layer signal is not a transparent layer, the following step S101 is executed, otherwise, if the graphics layer corresponding to the graphics layer signal is a transparent layer, the instruction information for guiding the second chip to perform motion compensation processing on the area of the graphics layer is sent to the second chip.

If the graphics layer corresponding to the graphics layer signal is not a transparent layer, the configuration scheme of the first chip and the second chip may refer to fig. 8. First, the first chip is configured to:

s101: determining first indication information of a graphic layer signal, and overlapping the graphic layer signal and a received first video signal into a second video signal;

in the embodiment of the application, the OSD layer signal is controlled and realized by a surface finger service in an android system. Each OSD layer signal may be referred to as a surface, each surface having basic elements of content, size, location coordinates, and transparency. The first chip determines position information of the graphics layer signal, i.e., first indication information, in the basic element. The position information is size information and position coordinate information of surface, and the size information and the position coordinate information correspond to the size and the position coordinate of the basic element respectively.

Wherein, the basic elements are generated based on video layer signal frames, and the basic elements are exemplified by: the resolution of the video layer signal frame picture is 1920×1080, and the position information of the graphics layer signal is defined by using the upper left corner of each frame picture as the origin. Specifically, please refer to fig. 10, wherein the resolution 1920×1080 of the frame shown in fig. 10 is shown, the upper left corner of the frame is defined by the origin B, and the upper left corner of the graphics layer is defined by the point a. The relative position coordinates of the point a with respect to the point B are (m, n). The size information of the graphic layer picture is (w, h), and the corresponding position information is (m, n, w, h).

Notably, in the technical solution shown in the embodiment of the present application, the first chip and the second chip are connected through an HDMI interface. Because the video layer signal and the graphics layer signal cannot be transmitted simultaneously under the HDMI channel according to the HDMI protocol, the first chip mixes the video layer signal and the graphics layer signal, encodes the video layer signal into a second video signal according to the HDMI protocol, and transmits the second video signal to the second chip. Thus, the method is applicable to a variety of applications. In the technical scheme shown in the embodiment of the application, a first chip stacks a graphic layer signal and a received first video signal into a second video signal; a schematic flow of the processing of the first video signal and the graphics layer signal by the first chip is schematically shown in fig. 9. As shown in fig. 9, the first chip is configured to receive a first video signal. And then the received first video signal and the graphics layer signal are overlapped to generate a second video signal.

S102, the first indication information and the second video signal are sent to the second chip;

in the technical scheme shown in the embodiment of the application, the first chip sends the first indication information and the second video signal to the second chip together through the HDMI channel. Specifically, the first chip may add the first indication information to a reserved HDMI packet (or referred to as Info Frame Type code) and send the first indication information to the second chip. For example, two reserved packets, such as SPD (source product description, product source description) and NVBI (NTSC VBI), in HDMI protocol are adopted, and these two packets are transmitted at each image frame rate, so the embodiment adds the first indication to the HDMI packet, and can transmit the graphics layer information of each frame of video image signal in real time.

With continued reference to fig. 8, the second chip is configured to:

and S103, performing motion compensation on the images except the area corresponding to the first indication information in the second video signal.

Specifically, the second chip determines a first area corresponding to the graphic layer signal in the second video signal according to the received first indication information; determining a second region outside the first region in the second video signal; and performing motion compensation on the image of the second area.

The process of determining the first area may refer to fig. 10. The first indication information sent by the first chip is (m, n, w, h), wherein the picture size information of the graphic layer signal is (w, h) and the position information is (m, n). The second chip determines the position of the picture of the graphic layer signal according to the position information (m, n), then determines the area occupied by the picture of the graphic layer signal in the frame picture of the second video signal as a first area according to the size information (w, h) of the picture of the graphic layer signal, then removes the remaining area occupied by the picture of the graphic layer signal in the frame picture of the second video signal as a second area, and performs motion compensation on the image of the second area.

The process of motion compensation for the image of the second region is specifically: the motion compensation module in the second chip filters out the pixel points corresponding to the area (the first area) occupied by the picture of the graphics layer signal, does not calculate the motion vector of the area and insert a compensation frame, and performs motion compensation on the pixel points in the second area.

In the technical scheme shown in the embodiment of the application, the first chip first determines the first indication information of the graphics layer signal, and converts the graphics layer signal and the first video signal into the second video signal after superposition, and then sends the first indication information and the second video signal together in the form of HDMI data packet to the second chip. And the second chip performs motion compensation on the images except the area corresponding to the first indication information in the second video signal, and the second chip splices the images subjected to the motion compensation and the images of the graphic layer signals to generate an image to be displayed. The mixed compensation frame is inserted between the current frame video picture and the previous frame (or the next frame) video picture, so that the problem that the graphic layer signal is torn in the motion compensation process can be avoided.

In the practical application process, the first area corresponding to the first indication information is generated based on the resolution (also referred to as the input resolution in the embodiment of the present application) of the video layer signal received by the first chip. The second area is calculated based on the resolution of the display screen (also referred to as the display resolution in embodiments of the present application). Often times, the input resolution is inconsistent with the display resolution during video playback. For example: the input resolution of a network video is 1920 x 1080, but the display screen performance is different, and the corresponding display resolution is also different. The display resolution of the 4K display screen is 3840×2160. The display resolution of FHD (Full High Definition) displays is typically only 1920 x 1080. If the N chip and the FHD (Full High Definition) display screen are used, the input resolution and the display resolution are inconsistent. In general, an inconsistency of the input resolution with the display resolution may lead to inaccuracy of the second region calculation result.

The problems that may result from inconsistent input resolution and display resolution are described in detail below in connection with the embodiments. For a 4K display screen, if the input resolution of the network video is 1920×1080, the first indication information sent by the first chip is (0, 20, 30), and correspondingly, the size information of the picture of the graphics layer signal is (20, 30), and the position information is (0, 0). The size information of the picture of the graphics layer signal in the video signal with the resolution of 1920×1080 is (20, 30). However, in the video playback process, the resolution of the video signal needs to be converted into the resolution of the display screen. The resolution of the converted frame is 3840×2160. At this time, it is obviously inaccurate to determine the second region according to the size information of the picture of the graphics layer signal as (20, 30) and the position information (0, 0) on the frame picture of 3840×2160 resolution.

In order to ensure the accuracy of the second region. Before motion compensation, the scaling processing is performed on the position information sent by the first chip according to the corresponding relation between the resolution of the video layer signal and the resolution of the display screen, and then the second area is determined according to the position information after the scaling processing. The corresponding first area of the position information in the video image signal can also be determined; the second chip determines a second area outside the first area in the video image signal; and then scaling the second area based on the corresponding relation between the resolution of the video layer signal and the resolution of the display screen and the corresponding relation between the resolution of the display screen.

The first possibility is that the second chip firstly judges whether the resolution of the video layer signal is consistent with the resolution of the display screen; and if the resolution of the display screen is inconsistent with the resolution of the video layer signal, the second chip performs scaling processing on the first indication information and the second video signal according to the corresponding relation between the resolution of the display screen and the resolution of the video layer signal, generates adjusted first indication information and adjusted second video signal, and performs motion compensation on the images of the adjusted second video signal except for the area corresponding to the adjusted first indication information.

The method of calculating the second region will be described in detail with reference to specific examples. In one embodiment the second chip is connected to a 4K display. For a network video signal, the size information of the graphics layer signal is (w, h), the position information is (m, n), and the first indication information generated by the first chip is (m, n, w, h); the first chip sends (m, n, w, h) to the second chip. The resolution of the display screen is 3840×2160, the resolution of the video signal is 1920×1080, and the second chip calculates that the corresponding relation between the resolution of the display screen and the resolution of the video signal is 2 times. The second chip amplifies the frame of the second video signal based on the correspondence of 2 times, and generates a frame with a resolution of 3840×2160. The second chip performs amplification twice processing on the (m, n, w, h) based on the corresponding relation pair of 2 times, and generates processed first indication information (2 m,2n,2w,2 h); the second chip determines the position of the frame picture of the graphic layer signal according to the new position information (2 m,2 n), then determines the area occupied by the first indication information in the frame picture (the resolution of the frame picture is consistent with that of the display screen) according to the new size information (2 w,2 h), then the area occupied by the area corresponding to the first indication information after the frame picture removing processing is the first area in the frame picture, and the rest area is the second area.

And finally, the second chip performs motion compensation on the image corresponding to the second area.

For the second case, the second chip determines a corresponding first area of the position information in the second video signal; the second chip determines a second area outside the first area in the second video signal; the second chip judges whether the resolution of the video layer signal is consistent with the resolution of the display screen; and if the resolution of the display screen is inconsistent with the resolution of the video layer signal, scaling the second area according to the corresponding relation between the resolution of the display screen and the resolution of the video layer signal.

The zooming process of the second region will be described in detail with reference to specific examples. In one embodiment the second chip is connected to a 4K display. For a network video signal, the size information of the picture of the first chip graphic layer signal is (w, h), the position information is (m, n), and the first indication information generated by the first chip is (m, n, w, h); the first chip sends (m, n, w, h) to the second chip; the second chip determines a first area corresponding to the first indication information in the second video signal; determining a second region of the second video signal other than the first region; the second chip calculates that the corresponding relation between the resolution of the display screen and the resolution of the video signal is 2 times; the second chip amplifies the second region by a factor of 2. For a specific scaling process, refer to fig. 11 and fig. 12, where in fig. 11, a region 1 is a first region before the enlargement processing, a region 2 is a second region before the enlargement processing, and a region 3 in fig. 12 is a second region after the enlargement processing.

And finally, the second chip performs motion compensation on the image corresponding to the second region after the amplification processing.

The technical scheme of the embodiment of the application can avoid the problem of inaccurate calculation result of the motion compensation area caused by the inconsistency of the resolution of the video layer signal and the resolution of the display screen.

With continued reference to fig. 8, the image after motion compensation except for the area corresponding to the first indication information and the image without motion compensation corresponding to the area corresponding to the first indication information in the second video signal need to be spliced to generate an image to be displayed so as to be displayed on a display screen of a display device. The method further comprises the steps of: s104 generates an image to be displayed according to the motion-compensated second video signal, specifically, after the second video signal is divided into the first region and the second region, the step includes stitching the image of the first region and the image of the motion-compensated second region to generate the image to be displayed.

And mixing the calculated compensation frame with the corresponding region of the OSD layer to obtain an image to be displayed, and then inserting the mixed compensation frame between the current frame video picture and the previous frame (or the next frame) video picture. Furthermore, the problem that the OSD layer signal is torn by the motion compensation processing technology in the middle of solving can also be solved better through the motion compensation technology.

the first chip is configured to determine first indication information of the graphic layer signal, and convert the graphic layer signal and the first video signal into a second video signal after superposition;

transmitting the first indication information and the second video signal to the second chip;

the second chip is configured to perform motion compensation on the images except for the area corresponding to the first indication information in the second video signal, perform no motion compensation on the images of the area corresponding to the first indication information in the second video signal, and generate an image to be displayed according to the second video signal after the motion compensation. Optionally, the first chip and the second chip are connected through an HDMI data line;

the first chip is further configured to: the graphics layer signal and the first video signal are overlapped and then converted into a second video signal conforming to the HDMI protocol;

the first chip sends the second video signal to the second chip through the HDMI channel.

Optionally, the second chip is further configured to:

determining a corresponding first area of the first indication information in the second video signal;

Determining a second region outside the first region in the second video signal;

and performing motion compensation on the image of the second area.

Optionally, the second chip is further configured to:

and splicing the image of the second area after the motion compensation with the image of the first area to generate an image to be displayed.

Optionally, if the resolution of the second video signal does not coincide with the resolution of the display screen, the second chip is further configured to:

scaling the second region according to the corresponding relation between the resolution of the display screen and the resolution of the second video signal, and generating an adjusted second region;

and performing motion compensation on the adjusted image of the second area.

scaling the first indication information and the second video signal according to the corresponding relation between the resolution of the display screen and the resolution of the second video signal, and generating adjusted first indication information and adjusted second video signal;

and performing motion compensation on the adjusted second video signal except for the area corresponding to the first indication information.

It should be noted that the video data processing method and apparatus provided in the foregoing embodiments are applicable not only to the dual-chip tv but also to other single-chip display devices.

All other embodiments, which can be made by a person skilled in the art without inventive effort, based on the exemplary embodiments shown in the present application are intended to fall within the scope of the present application. Furthermore, while the present disclosure has been described in terms of an exemplary embodiment or embodiments, it should be understood that each aspect of the disclosure may be separately implemented as a complete solution.

It should be understood that the terms "first," "second," "third," and the like in the description and in the claims and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate, such as where appropriate, for example, implementations other than those illustrated or described in connection with the embodiments of the application.

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

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.

Claims

1. An image motion compensation method is applied to a display device, the display device comprises a first chip and a second chip, and the method is characterized in that:

the method comprises the steps that a first chip determines first indication information of a graphic layer signal, and converts the graphic layer signal and a first video signal into a second video signal conforming to an HDMI protocol after superposition, wherein the first indication information comprises position information of a graphic layer corresponding to the graphic layer signal;

the first chip adds the first indication information to a reserved HDMI information packet and sends the HDMI information packet and the second video signal to the second chip through an HDMI channel;

The second chip performs motion compensation on an image of a second region in the second video signal, and does not perform motion compensation on an image of a first region in the second video signal, wherein the second region is a region except for a region corresponding to the first indication information, and the first region is a region corresponding to the first indication information; before the second area is subjected to motion compensation, the second chip judges whether the resolution of the second video layer signal is consistent with the resolution of a display of the display device; if the resolution of the second video signal is inconsistent with the resolution of the display, the second chip performs scaling processing on the first indication information and the second video signal according to the corresponding relation between the resolution of the display and the resolution of the second video signal, and generates adjusted first indication information and adjusted second video signal; the second chip performs motion compensation on the images except the area corresponding to the adjusted first indication information in the adjusted second video signal, and does not perform motion compensation on the images of the area corresponding to the adjusted first indication information in the adjusted second video signal;

2. The method of claim 1, wherein generating the image to be displayed from the motion compensated second video signal comprises:

and the second chip splices the image of the first area and the image of the second area after the motion compensation to generate an image to be displayed.

3. A display device comprising a first chip and a second chip:

the first chip is configured to determine first indication information of a graphics layer signal, and convert the graphics layer signal and a first video signal into a second video signal conforming to an HDMI protocol after superposition, wherein the first indication information comprises position information of a graphics layer corresponding to the graphics layer signal;

adding the first indication information to a reserved HDMI information packet, and sending the HDMI information packet and the second video signal to the second chip through an HDMI channel;

the second chip is configured to perform motion compensation on an image of a second region in the second video signal, and perform no motion compensation on an image of a first region in the second video signal, where the second region is a region other than a region corresponding to the first indication information, and the first region is a region corresponding to the first indication information; before the second area is subjected to motion compensation, judging whether the resolution of the video layer signal is consistent with the resolution of a display of the display device; if the resolution of the second video signal is inconsistent with the resolution of the display, the second chip performs scaling processing on the first indication information and the second video signal according to the corresponding relation between the resolution of the display and the resolution of the second video signal, and generates adjusted first indication information and adjusted second video signal; the second chip performs motion compensation on the images except the area corresponding to the adjusted first indication information in the adjusted second video signal, and does not perform motion compensation on the images of the area corresponding to the adjusted first indication information in the adjusted second video signal; the second chip is further configured to generate an image to be displayed from the motion compensated second video signal.

4. The display device of claim 3, wherein the second chip is further configured to:

and splicing the image of the first area and the image of the second area after the motion compensation to generate an image to be displayed.