CN111818311A - Ultra-high-definition video monitor with variable vision field - Google Patents
Ultra-high-definition video monitor with variable vision field Download PDFInfo
- Publication number
- CN111818311A CN111818311A CN202010860567.1A CN202010860567A CN111818311A CN 111818311 A CN111818311 A CN 111818311A CN 202010860567 A CN202010860567 A CN 202010860567A CN 111818311 A CN111818311 A CN 111818311A
- Authority
- CN
- China
- Prior art keywords
- video
- image
- signal
- display
- monitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Graphics (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention provides an ultra high definition video monitor with variable visual field, which comprises: the video analysis module receives the ultra-high definition video signal and sends each frame of video image of the ultra-high definition video signal to the buffer module; the adjusting control module adjusts the display parameters of the video image, determines the key attention area of the video image and sends the key attention area to the central processing unit; the central processing unit reads a video image of the ultra-high-definition video signal from the buffer module and extracts an image of a key attention area from the video image; performing aliasing processing on the image of the important attention area to obtain an aliased image, and storing the aliased image to a buffer module; the display driving circuit is used for reading the aliasing image in the buffer module so as to enable the display screen to display the aliasing image. The invention can check the image of the key attention area at pixel level through the display screen, thereby being convenient for accurately monitoring the local quality of the video picture on a low-resolution display.
Description
Technical Field
The invention relates to the technical field of video processing, in particular to an ultra-high-definition video monitor with variable visual field.
Background
Since the resolution of the 8K video signal is high, the 8K resolution video monitor is expensive to manufacture. A large number of 4K-resolution or HD (High Definition) resolution video monitors that are currently in use cannot be used in an 8K production environment because they do not have an 8K input interface and cannot process 8K video content. Based on this, users have a strong need for a relatively low-cost 8K video monitor.
At present, video monitors supporting 8K video input and having 4K resolution or HD resolution exist, but the video monitors can only realize integral reduction and integral display of 8K video and cannot realize pixel level viewing of the 8K video, and great troubles are brought to accurate observation of accurate focusing and accurate observation of video picture quality in the 8K video shooting and manufacturing process. Meanwhile, an existing video monitor usually only supports a certain video input interface, and under the condition that the input and output interfaces of the existing 8K ultra-high-definition video equipment are various, one existing video monitor cannot adapt to video source equipment with different output interfaces and protocols, such as different cameras, different video playing equipment, different post-production equipment and the like, so that the use is inconvenient, and the total cost of ownership of a user is increased.
Disclosure of Invention
The invention aims to provide an ultra-high-definition video monitor with a variable visual field so as to accurately observe the video picture quality and reduce the equipment cost.
In a first aspect, an embodiment of the present invention provides an ultra high definition video monitor with a variable viewing area, the monitor including: the device comprises a video analysis module, a buffer module, a central processing unit, an adjustment control module, a display driving circuit and a display screen; the buffer module is respectively connected with the video analysis module, the central processing unit and the display driving circuit; the central processing unit is also connected with the regulation control module; the display driving circuit is also connected with the display screen; the video analysis module is used for receiving the ultra-high definition video signal and sending each frame of video image of the ultra-high definition video signal to the buffer module so that the buffer module buffers each frame of video image of the ultra-high definition video signal; the adjusting control module is used for adjusting the display parameters of the video image, determining a key attention area of the video image and sending the key attention area to the central processing unit; the central processing unit is used for reading a video image of the ultra-high-definition video signal from the buffer module and extracting an image of a key attention area from the video image; performing aliasing processing on the image of the important attention area to obtain an aliased image, and storing the aliased image to a buffer module; the display driver is used for reading the aliasing image in the buffer module so as to enable the display screen to display the aliasing image.
In an optional embodiment, the adjustment control module includes a remote control receiver and a remote controller connected to the remote control receiver; the remote control signal of the remote controller is sent to the central processing unit through the remote control receiver; the remote controller comprises a plurality of key units, and the key units remotely control and adjust display parameters of the video images in a key mode, increase key attention areas, cancel a certain key attention area, select one or more key attention areas or cancel any of the selected key attention areas; the display parameters comprise image positions and image sizes; and/or the remote controller is provided with a roller unit, and the roller unit remotely controls and adjusts the display parameters in a roller rotating mode; the mode of rotating the roller comprises the steps of remotely adjusting the position of the key attention area on the whole image and amplifying or reducing the key attention area.
In an optional embodiment, the adjustment control module includes an HTTP server built in the adjustment control module and a display adjustment service running in the server; the display adjustment service is connected to a browser of an adjustment device on the HTTP server through a limited network or a wireless network, and a display adjustment page is displayed in the browser, so that a user can adjust display parameters, increase key attention areas, cancel key attention areas, select one or more key attention areas, cancel any of the selected key attention areas, adjust the position of the selected key attention area on the whole image, and enlarge or reduce the selected key attention area in the display adjustment page; the display parameters comprise image position and image size.
In an optional embodiment, the adjustment control module includes a touch device attached to the display screen; the touch device is used for adjusting display parameters, increasing key attention areas, canceling key attention areas, selecting any one of the key attention areas and canceling the selected key attention areas, adjusting the position of the selected key attention area on the whole image, and amplifying or reducing the selected key attention area; the display parameters comprise image position and image size.
In an alternative embodiment, the central processing unit includes a down-conversion unit and an aliasing unit; the buffer module comprises a base map buffer unit; the down-conversion unit is used for performing down-conversion processing on the whole image corresponding to the video image of the ultra-high definition video signal in the buffer module to obtain the whole image corresponding to the video image with reduced resolution; storing the whole image corresponding to the video image with reduced resolution into a base image buffer unit; the aliasing unit is used for performing aliasing processing on the whole image corresponding to the whole video image with reduced resolution and the image of the key attention area to obtain an aliased image.
In an optional embodiment, the central processing unit further includes a measurement index generating unit; the measurement index generating unit is used for processing the whole image corresponding to the video image acquired from the buffer module according to the measurement index selected by the user to obtain a measurement index image; the measurement indexes comprise a color histogram, a oscillogram, a vector diagram, a pseudo color, a zebra crossing or auxiliary focusing; and under the condition that the measurement indexes need to be displayed, the aliasing unit is used for performing aliasing processing on the measurement index image and the whole image corresponding to the video image with reduced resolution and/or the image of the important attention area.
In an optional embodiment, the buffering module includes an original video frame image buffering unit, a key attention area image buffering unit, and a display buffering unit; the original video frame image buffer unit is used for buffering each frame of video image of the ultra-high definition video signal; the key attention area image buffer unit is used for buffering the image of the key attention area of the video image of the ultra-high definition video signal; wherein the video image of each ultra high definition video signal comprises one or more regions of central interest; the display buffer unit is used for buffering an aliasing image sent by the central processing unit, and the aliasing image is used for displaying in the display screen.
In an optional embodiment, the video parsing module includes a signal input port, a signal receiving circuit, a video format identifying circuit, and a video and audio separating circuit, which are connected in sequence; the signal receiving circuit is also connected with the video and audio separating circuit; the signal input port is used for transmitting the received ultra-high-definition video signal to the signal receiving circuit, so that the signal receiving circuit performs electrical matching and data conversion on the ultra-high-definition video signal, and sends the video signal subjected to data conversion to the video-audio separation circuit and the video system identification circuit; the video and audio separation circuit is used for separating video and audio of the video signal after data conversion is finished and sending the separated video and audio to the buffer module; the video system identification circuit is used for identifying the system of the video signal.
In an optional embodiment, the buffering module includes an original video frame image buffering unit and an audio buffering unit; the original video frame image buffer unit is used for buffering each frame of video image of the separated video; the audio buffer unit is used for buffering the separated audio.
In an optional embodiment, the video parsing module includes a plurality of signal input ports, each signal input port is configured to receive one of the following signals transmitted by a video signal source: an SDI signal of 48G, an SDI signal of 12G, an SDI signal of 3G, an HDMI signal.
In an alternative embodiment, the monitor further comprises a speaker driving circuit and a speaker; the loudspeaker driving circuit is respectively connected with the loudspeaker and the audio buffer unit; the loudspeaker driving circuit is used for reading the audio signal from the audio buffer unit and playing the audio signal through the loudspeaker.
In an optional embodiment, the monitor further includes a video output module, the buffer module includes an output buffer unit, and the video output module is connected to the output buffer unit and the audio buffer unit respectively; the output buffer unit is used for buffering the aliasing image; the video output module is used for reading the aliasing signals from the output buffer unit and reading the audio signals from the audio buffer unit so as to enable the external video display to display the aliasing signals and play the audio signals.
In an optional embodiment, the video output module includes a video format coding and audio embedding circuit, a signal transmitting circuit and a signal output port, which are connected in sequence; the video system coding and audio embedding circuit is used for coding the read video signal and embedding the read audio signal into the coded video signal to obtain a video to be played; sending a video to be played to a signal sending circuit; the signal transmitting circuit transmits the received video to be played to an external video display through the signal output interface.
In an optional embodiment, the video output module includes a plurality of video format coding and audio embedding circuits, a signal transmitting circuit and a signal output port, which are connected in sequence; each signal output port is connected with one of the following external video displays: a video display of an SDI interface of 48G, a video display of an SDI interface of 4-way 12G, a video display of an SDI interface of 1-way 12G, a video display of an SDI interface of 4-way 3G, a video display of a 4-way HDMI2.0 interface, and a video display of a 1-way HDMI2.1 interface.
In an alternative embodiment, the output buffer unit includes a plurality of output buffer units; wherein, an output buffer unit is connected with a video system coding and audio embedding circuit; the aliasing unit of the central processing unit transmits the unaliased key attention area image, the whole image corresponding to the video image with reduced resolution of the mixed key attention area image and the whole image corresponding to the video image with reduced resolution of the image with different key attention areas aliased to one or more output buffer units.
In an optional embodiment, the video output module includes a plurality of video format coding and audio embedding circuits, a signal transmitting circuit and a signal output port, which are connected in sequence; each of the signal output ports outputs a signal in one of a format of 48G SDI, 12G SDI, 3G SDI, HDMI2.0, HDMI 2.1.
In an alternative embodiment, since 8K ultra high definition video is generally HDR high dynamic video, the monitor preferably supports input, processing and display of HDR high dynamic video; the supported HDR formats include one or more of Dolby vision, HDR10, or HLG.
In an optional embodiment, since 8K ultra high definition video is generally high frame rate video, the monitor preferably supports input, processing and display of high frame rate video, and the video frame rate of the supported high frame rate video includes one or more of the following: 120Hz, 100Hz, 60Hz, 50Hz, 30Hz, 25Hz, 120/1.001Hz, 60/1.001Hz, 30/1.001 Hz.
The embodiment of the invention has the following beneficial effects:
the embodiment of the invention provides an ultra-high-definition video monitor with variable visual field, which comprises: the device comprises a video analysis module, a buffer module, a central processing unit, an adjustment control module, a display driving circuit and a display screen; the buffer module is respectively connected with the video analysis module, the central processing unit and the display driving circuit; the central processing unit is also connected with the regulation control module; the display driving circuit is also connected with the display screen; the video analysis module is used for receiving the ultra-high definition video signal and sending each frame of video image of the ultra-high definition video signal to the buffer module so that the buffer module buffers each frame of video image of the ultra-high definition video signal; the adjusting control module is used for adjusting the display parameters of the video image, determining a key attention area of the video image and sending the key attention area to the central processing unit; the central processing unit is used for reading a video image of the ultra-high-definition video signal from the buffer module and extracting an image of a key attention area from the video image; performing aliasing processing on the image of the important attention area to obtain an aliased image, and storing the aliased image to a buffer module; the display driver is used for reading the aliasing image in the buffer module so as to enable the display screen to display the aliasing image. The ultra-high-definition video monitor with the variable visual field can display 8K video signals on the existing video monitor with 4K resolution or HD resolution, and meanwhile, the video monitoring conversion device can provide point-to-point pixel level monitoring for partial user regions to be viewed so as to facilitate the user to master the condition of a lens object and accurately monitor the local quality of a picture. Meanwhile, the monitor integrates a display screen, so that the image quality of the image can be monitored more clearly and visually.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention as set forth above.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of an ultra high definition video monitor with variable viewing area according to an embodiment of the present invention;
FIG. 2 is a schematic view of a monitor for video surveillance according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an ultra high definition video monitor with variable viewing area according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The method aims at solving the problems that the checking of the pixel level of the 8K video cannot be realized in the prior art, and whether the focusing is accurate or not and the quality of the video picture is accurately observed in the 8K video shooting and manufacturing process. The embodiment of the invention provides an ultra high definition video monitor with a variable video domain, which can be applied to a monitoring scene of an ultra high definition video signal.
For the convenience of understanding the present embodiment, first, a variable view ultra high definition video monitor disclosed in the present embodiment is described in detail; as shown in fig. 1, the apparatus includes: the device comprises a video analysis module 10, a buffer module 11, a central processing unit 12, an adjustment control module 13, a display driving circuit 14 and a display screen 15; the buffer module 11 is respectively connected with the video analysis module 10, the central processing unit 12 and the display driving circuit 14; the central processing unit 12 is also connected with a regulation control module 13; the display drive circuit 14 is also connected to a display screen 15.
The video parsing module 10 is configured to receive an ultra high definition video signal, and send each frame of video image of the ultra high definition video signal to the buffering module 11, so that the buffering module 11 stores each frame of video image of the ultra high definition video signal.
The ultra high definition video signal may be a video signal shot by a video camera or a video recorder, and the ultra high definition video signal is generally large in data amount, and may be an 8K ultra high definition video signal, a 4K ultra high definition video signal, or the like. The buffer module 11 stores a complete image corresponding to each video frame of the complete ultra high definition video signal.
The adjustment control module 13 is configured to adjust display parameters of the video image, determine a focus area of interest of the video image, and send the focus area of interest to the central processing unit 12. The display parameters may include image size, image position, image parameters, and the like, and the adjustment control module 13 may adjust the video image to be displayed and the important attention region for the video image according to a user requirement, and during specific implementation, the user may further increase the important attention region, cancel a certain important attention region, select a certain important attention region or cancel a selected important attention region, and the like, through the adjustment control module 13.
The central processing unit 12 is configured to read a video image of the ultra-high definition video signal from the buffer module, and extract an image of a key region of interest from the video image; and performing aliasing processing on the image of the important attention area to obtain an aliasing image, and storing the aliasing image to a buffer module. In a specific implementation, after the central processing unit 12 obtains the important region of interest set by the user, image data of a position corresponding to the current video image corresponding to the important region of interest is obtained from the buffer module 11, and an image of the important region of interest is subjected to aliasing processing. The buffering module may include a plurality of buffering regions, and the aliasing image and the complete image corresponding to each video frame of the ultra high definition video signal are stored in different buffering regions.
The display driving circuit 14 is configured to read the aliased image in the buffer module, so that the display screen displays the aliased image. The display screen is a display screen carried by the monitor in the application, and the size of the display screen is larger.
In order to facilitate understanding of the present embodiment, fig. 2 is a schematic view of video monitoring of a monitor, and the image pickup apparatus in fig. 2 can be understood as an ultra high definition video signal providing device, and in a specific implementation, the image pickup apparatus can be replaced by another signal providing device, the signal providing device is in communication connection with a monitor (an ultra high definition video monitor corresponding to the variable video domain), an area in which a person is drawn in the monitor is an area corresponding to the display screen, and the display screen is a screen carried by the monitor and used for displaying an aliasing image; the resolution of the display screen is generally high and the size of the display screen is also large, which helps the user to view the image in the display screen. The rectangular frame below the display screen is equivalent to a button, a roller and the like of an adjusting control module, the button can adjust a key focus area of a user, can move an image displayed in the display screen, can also adjust display parameters and the like of the image of the key focus area, a circular jack corresponding to the right side of the display screen can be an output port of the monitor, and the output port can be connected with an external video display.
The image pickup apparatus in fig. 2 is usually connected to a signal input port for monitoring, which may be provided on the left side of the monitor, or on the rear side of the monitor, or the like, or may be provided in plural, and a signal supply device to which each signal input port is connectable may be the same or different.
The ultra-high-definition video monitor with the variable visual field can display 8K ultra-high-definition video signals on the existing video monitor with 4K resolution or HD resolution, and meanwhile, the video monitoring conversion device can provide point-to-point pixel level monitoring for partial user regions to be viewed, so that the user can conveniently master the condition of a lens object and accurately monitor the local quality of a picture. Meanwhile, the monitor integrates a display screen, so that the image quality of the image can be monitored more clearly and visually, and the monitor is convenient for users to use.
The embodiment of the invention also provides another ultra-high-definition video monitor with variable visual field, which is realized on the basis of the device in the embodiment; as shown in fig. 3, the monitor includes a video parsing module 10, a buffer module 11, a central processing unit 12, a regulation control module 13, a display driving circuit 14, and a display screen 15.
Specifically, the adjustment control module 13 includes a remote control receiver 200 and a remote controller 201 connected to the remote control receiver 200; the remote control signal of the remote controller 201 is transmitted to the central processing unit 12 through the remote control receiver 200; the remote controller comprises a plurality of key units, and the key units remotely control and adjust display parameters of video images in a key mode, increase key attention areas, cancel a certain key attention area, select one or more key attention areas and cancel any one of the selected key attention areas; the display parameters comprise image position and image size.
In some embodiments, the remote controller 201 is provided with a roller unit, and the roller unit remotely adjusts the display parameters by rotating the roller; the mode of rotating the roller comprises the steps of remotely adjusting the position of the key attention area on the whole image and amplifying or reducing the key attention area.
Further, the adjustment control module 13 includes a Hyper Text Transfer Protocol (HTTP) server built in the adjustment control module and a display adjustment service (corresponding to the HTTP server and the service in fig. 3) running in the server; the display adjustment service is connected to a browser of an adjustment device on an HTTP server through a limited network or a wireless network, and a display adjustment page is displayed in the browser, so that a user can adjust display parameters, increase key attention areas, cancel a certain key attention area, select one or more key attention areas, cancel any one of the selected key attention areas, adjust the position of the selected key attention area on the whole image, and enlarge or reduce the selected key attention area in the display adjustment page; the display parameters comprise image position and image size. The adjusting Device may be a PC (Personal Computer) or a PAD (Portable Device), such as a laptop Computer, a tablet Computer, etc.
As shown in fig. 3, the HTTP server built in the adjustment control module and the display adjustment service running in the HTTP server, and the remote control receiver can be connected to the central processing unit 12 and the key attention area information storage area through the adjustment and control logic; the key attention area information storage area is used for storing the key attention area obtained by adjusting the control module.
Further, the adjustment control module 13 further includes a touch device 202 attached to the display screen; the touch device 202 is used for adjusting display parameters, increasing a focused attention area, canceling a focused attention area, selecting one or more focused attention areas, canceling any one of the selected focused attention areas, adjusting the position of the selected focused attention area on the whole image, and enlarging or reducing the selected focused attention area; the display parameters comprise image position and image size. It can also be understood that the user can adjust the area of interest and the position, size, etc. of the focus area through the touch device 202.
Further, the central processing unit includes a down-conversion unit and an aliasing unit; the buffer module comprises a base map buffer unit 203; the base map buffer unit 203 is connected with the down-conversion unit and the aliasing unit respectively; the down-conversion unit is used for performing down-conversion processing on the whole image corresponding to the video image of the ultra-high definition video signal in the buffer module to obtain the whole image corresponding to the video image with reduced resolution; storing the whole image corresponding to the video image with reduced resolution in the base image buffer unit 203; the aliasing unit is used for performing aliasing processing on the whole image corresponding to the whole video image with reduced resolution and the image of the key attention area to obtain an aliased image.
For example, an 8K video image is down-converted into a 4K video image, and the 4K video image corresponds to the entire image corresponding to the resolution-reduced video image. The aliasing process may be to fuse the whole image corresponding to the video image with reduced resolution with the image of the important attention region to obtain an image, which is also an aliased image.
Further, the central processing unit 12 further includes a measurement index generating unit; the measurement index generating unit is used for processing the whole image corresponding to the video image acquired from the buffer module 11 according to the measurement index selected by the user to obtain a measurement index image; and under the condition that the measurement indexes need to be displayed, the aliasing unit is used for performing aliasing processing on the measurement index image and the whole image corresponding to the video image with reduced resolution and/or the image of the important attention area.
In a specific implementation, whether or not a measurement indicator needs to be displayed and which measurement indicator is displayed are generally selected by a button and a wheel provided in a monitor. The measurement indexes generally include auxiliary information such as oscillograms, vector displays, pseudo colors, auxiliary focusing, zebra stripes and the like. The user can select and display the measurement indexes according to the requirement of the user, and the image is observed according to the measurement indexes.
In specific implementation, the aliasing unit may perform aliasing processing on the measurement index image and the whole image corresponding to the video image with reduced resolution, may also perform aliasing processing on the measurement index image and the image of the important attention region, may also perform aliasing processing on the measurement index image, the whole image corresponding to the video image with reduced resolution, and the image of the important attention region, and may specifically adopt which aliasing mode may be adjusted according to user requirements.
In a specific implementation, the buffering module 11 includes an original video frame image buffering unit 204, an emphasized region of interest image buffering unit 205, and a display buffering unit 206; the original video frame image buffer unit 204 is configured to buffer each frame of video image of the ultra high definition video signal; the important attention area image buffer unit 205 is configured to buffer an image of an important attention area of a video image of an ultra high definition video signal; wherein the video image of each ultra high definition video signal comprises one or more regions of central interest; the display buffer unit 206 is used to buffer the aliased images sent by the central processing unit 12, and the aliased images buffered in the display buffer unit are used to be displayed in the display screen 15. In some embodiments, the buffering module further includes a measurement indicator image buffering unit configured to buffer the measurement indicator image.
Specifically, the display driving circuit 14 is configured to read an aliased image from the display buffer unit, perform electrical index adaptation on the aliased image, and transmit the aliased image to the display screen 15, so that the display screen 15 displays the aliased image. In a specific implementation, the display screen 15 may display an aliased image according to the set resolution.
Further, the video parsing module 10 includes a signal input port, a signal receiving circuit, a video format identifying circuit and a video and audio separating circuit, which are connected in sequence; the signal receiving circuit is also connected with the video and audio separating circuit; the signal input port is used for transmitting the received ultra-high-definition video signal to the signal receiving circuit, so that the signal receiving circuit performs electrical matching and data conversion on the ultra-high-definition video signal, and sends the video signal after the data conversion to the video-audio separation circuit and the video system identification circuit; the video and audio separation circuit is used for separating video and audio of the video signal after data conversion is finished and sending the separated video and audio to the buffer module; the video system identification circuit is used for identifying the system of the video signal.
In a specific implementation, the buffering module 11 includes an original video frame image buffering unit 204 and an audio buffering unit 207; the original video frame image buffer unit 204 is configured to buffer each frame of video image of the separated video; the audio buffer unit 207 is used for buffering the separated audio.
In some embodiments, the video parsing module 10 includes a plurality of signal input ports, each for receiving one of the following types of signals transmitted by a video signal source: a 48G SDI (digital component Serial interface) signal, a 12G SDI signal, a 3G SDI signal, and an HDMI signal. It can also be understood that a signal input port only receives one type of signal, and the type of signal that can be received by each signal input port is consistent with the interface type of the input port.
Typically, each type of input signal port has a specific interface physical size, electrical performance, and data/signal exchange protocol, and a specific signal input port typically supports only a specific signal format input. In some embodiments, as a general combination, the signal input formats supported by the signal input port of the video parsing module 10 may include the following: a 1-way 48G SDI signal, a 4-way 12G SDI signal, a 4-way 3G SDI signal, a 1-way HDMI2.1 signal, and a 4-way HDMI2.0 signal. The 4 paths of 12G SDI signals may be respectively input into 4K video signals with no relationship among the 4 paths, or may jointly form 4 components of an 8K video signal, and the 4 paths of 12G SDI signals are used to jointly complete the input of 1 path of 8K signals. Similarly, 4 paths of 3G SDI signals may be respectively input into 4 paths of HD video signals having no relationship with each other, or may jointly form 4 components of a 4K video signal, and 4 paths of 3G SDI signals are used to jointly complete input of 1 path of 4K signals. Similarly, 4 HDMI2.0 signals may be respectively input into 4K video signals having no relationship with each other, or may jointly form 4 components of an 8K video signal, and input of 1 HDMI 8.0 signal is jointly completed by using 4 HDMI2.0 signals.
In specific implementation, a signal receiving circuit, a video and audio separation circuit, and a video format identification circuit are connected behind each signal input port, where a signal input port (0) in fig. 3 may represent a first signal input port, and a signal input port (n) may represent an nth signal input port, that is, in fig. 3, the signal input port may include n signal input ports (0), a signal input port (1), a signal input port (2), and …, where the signal input port (n) includes n signal input ports.
Under the condition that input and output interfaces are various among current 8K ultra-high-definition video equipment, an existing video monitor cannot adapt to video source equipment with different output interfaces and protocols, such as different cameras, different video playing equipment, different post-production equipment and the like, so that the existing equipment is inconvenient to use, and the total cost of ownership of a user is increased. The multiple signal input interfaces can enable one video monitor to flexibly use various devices, simplify the working environment of a user and reduce the total system ownership cost of the user. Meanwhile, the existing video monitor generally only provides a certain SDI input interface, and meanwhile, most post-production equipment is an output interface of HDMI, the video monitor provides an input interface of HDMI, the post-production equipment can be directly connected with a user, the user is enabled to save an interface converter for converting HDMI into SDI, the system connection is simplified, and meanwhile, the user cost is reduced.
In a specific implementation, the apparatus further includes a speaker driving circuit 208 and a speaker 209; the speaker driving circuit 208 is connected to a speaker 209 and an audio buffer unit 207, respectively; the speaker driving circuit 208 is used to read an audio signal from the audio buffer unit 207 and play the audio signal through the speaker 209.
Further, the monitor may further include a video output module 210, the buffer module 11 includes an output buffer unit 211, and the video output module 210 is connected to the output buffer unit 211 and the audio buffer unit 207 respectively; the output buffer unit 211 is configured to store an aliased image; the video output module 210 is configured to read the aliasing signal from the output buffer unit 211, and read the audio signal from the audio buffer unit 207, so that the external video display displays the aliasing signal, and plays the audio signal.
In specific implementation, the video output module comprises a video format coding and audio embedding circuit, a signal sending circuit and a signal output port which are connected in sequence; the video system coding and audio embedding circuit is used for coding the read video signal and embedding the read audio signal into the coded video signal to obtain a video to be played; sending a video to be played to a signal sending circuit; the signal transmitting circuit transmits the received video to be played to an external video display through a signal output interface so that the external video display plays the video to be played. The signal output port (0) in fig. 3 may represent a first signal output port, and the signal output port (n) may represent an nth signal output port, that is, in fig. 3, the video display device may include n signal output ports, namely, the signal output port (0), the signal output port (1), and the signal output port (2), …, where the signal output port (n) is connected to different external video displays.
In some embodiments, the video output module 210 includes a plurality of video format coding and audio embedding circuits, a signal transmitting circuit and a signal output port, which are connected in sequence; each signal output port is connected with one of the following external video displays: a video display of an SDI interface of 48G, a video display of an SDI interface of 4-way 12G, a video display of an SDI interface of 1-way 12G, an SDI video display of 4-way 3G, a video display of a 4-way HDMI2.0 interface, and a video display of a 1-way HDMI2.1 interface. Each output port is connected to only one interface type of video display.
The video display of the 48G SDI interface and the video display of the 4-way 12G SDI interface can realize the monitoring of 8K video signals, and at this time, the monitor provided by the invention actually provides the functions of a video distributor or a splitter. The video display of the 1-path 12G SDI interface and the video display of the 4-path 3G SDI interface can respectively provide a path of 4K signal display, different key focus areas can be displayed on the devices, and the working efficiency is improved. The video display of the 4-path HDMI2.0 interface and the video display of the 1-path HDMI2.1 interface are used for displaying different key focus areas.
Further, the output buffer unit 211 includes a plurality of units; wherein, an output buffer unit is connected with a video system coding and audio embedding circuit; the aliasing unit of the central processing unit transmits the unaliased emphasized region-of-interest image, the entire image corresponding to the video image in which the resolution of the emphasized region-of-interest image is reduced after the aliasing, and the entire image corresponding to the video image in which the resolution of the image of the different emphasized region-of-interest is reduced after the aliasing, to the one or more output buffer units 211. The mode can monitor images of different key attention areas respectively when the output buffer unit is connected with different video displays, so that the working efficiency can be improved.
In a specific implementation, the output buffer units 211 may be multiple, each output buffer unit is connected to one video codec and audio embedding circuit, and the image data stored in each output buffer unit may be the same or different. As shown in fig. 3, the monitor may include an output buffer unit (0), an output buffer unit (1), an output buffer unit (2), and …, where n output buffer units are included in the output buffer unit (n), each output buffer unit is connected to a different video format coding and audio embedding circuit, and each video format coding and audio embedding circuit is connected to a signal transmitting circuit and a signal output port, respectively.
In some embodiments, the video output module includes a plurality of video format coding and audio embedding circuits, a signal transmitting circuit and a signal output port, which are connected in sequence; the format of each signal output port output signal may be one of SDI of 48G, SDI of 12G, SDI of 3G, HDMI2.0, HDMI 2.1. These signal output ports do not necessarily have to be externally connected to a video display or monitor, but output video data in a signal format supported by their respective interfaces, and various devices supporting these specific signal format inputs can be connected to these output ports to complete the input use of video data, for example: the video data recording device can be connected to complete the recording of the video content output by each signal output port, and the like.
Typically, each type of output signal port has a specific interface physical size, electrical performance, and data/signal exchange protocol, and a specific signal output port typically supports only a specific signal format output. In some embodiments, as a common combination, the signal output formats supported by the signal output port of the video parsing module may include the following: a 1-way 48G SDI signal, a 4-way 12G SDI signal, a 4-way 3G SDI signal, a 1-way HDMI2.1 signal, and a 4-way HDMI2.0 signal. The 4 paths of 12GSDI signals can output 4 paths of 4K video signals without mutual relation, or can jointly form 4 components of an 8K video signal, and the 4 paths of 12GSDI signals are used for jointly completing the output of 1 path of 8K signal. Similarly, 4 paths of 3G SDI signals may output 4 paths of HD video signals having no relationship with each other, or may jointly form 4 components of a 4K video signal, and 4 paths of 3G SDI signals are used to jointly complete the output of 1 path of 4K video signal. Similarly, 4 HDMI2.0 signals may output 4K video signals having no relationship with each other, or may form 4 components of an 8K video signal together, and output 1 HDMI 8.0 signal together using 4 HDMI2.0 signals.
In some embodiments, since 8K ultra High definition video is generally HDR (High-Dynamic Range) High Dynamic video, the monitor preferably supports input, processing and display of the HDR High Dynamic video, and supported HDR formats include one or more of Dolby vision, HDR10, and HLG (Hybrid Log-Gamma).
For example, the monitor described above preferably supports a display screen for HDR high dynamic range video display. Whether the display supports HDR is independent of the resolution of the display, and a display supporting HDR high dynamic range video display is preferable even if a display of HD resolution is used. Preferably, the ultra-high-definition video monitor needs to select and support the display of the HDR high-dynamic-range video in the formats of Dolby Vision, HDR10, HLG and the like. Preferably, the ultra-high-definition video monitor should display the aliased images using the dynamic range of the original ultra-high-definition video, even if the resolution of the aliased images is reduced from that of the original ultra-high-definition video.
Similarly, the processing of the monitor in signal input, video format recognition, audio/video separation, video decoding, video superposition, measurement index generation, video encoding, video display and video output all need to support HDR high dynamic range video, so as to ensure the quality of display pictures and/or output video. Preferably, the links of the monitor use the original HDR format of the input ultra high definition video to process or output/display the effect best.
In some embodiments, since 8K ultra high definition video is generally high frame rate video, the monitor preferably supports input, processing and display of high frame rate video, and the video frame rates of the supported high frame rate video include one or more of the following: 120Hz, 100Hz, 60Hz, 50Hz, 30Hz, 25Hz, 120/1.001Hz, 60/1.001Hz, 30/1.001 Hz.
For example, the monitor preferably supports a display screen for high frame rate video display. Whether the display screen supports a high frame rate or not is independent of the resolution of the display screen, and even if a display screen of HD resolution is used, a display screen supporting video display of a high frame rate is preferable. For example, the display screen needs to support the display of videos at one or more of the following frame rates: 120Hz, 100Hz, 60Hz, 50Hz, 30Hz, 25Hz, 120/1.001Hz, 60/1.001Hz, 30/1.001 Hz. Preferably, the display screen needs to support the display of the following frame rate videos: 120Hz, 100Hz, 50 Hz; preferably, the display screen needs to support the display of the following frame rate videos: 120Hz, 100Hz, 60Hz, 50 Hz; preferably, the display screen needs to support the display of the following frame rate videos: 120Hz, 100Hz, 60Hz, 50Hz, 30Hz, 120/1.001Hz, 60/1.001Hz, 30/1.001 Hz. Preferably, the ultra-high-definition video monitor should display the aliasing images using the frame rate of the original ultra-high-definition video, even if the resolution of the aliasing images is reduced from that of the original ultra-high-definition video.
Similarly, the processing of the monitor in signal input, video format recognition, audio/video separation, video decoding, video superposition, measurement index generation, video coding, video display and video output all need to support high frame rate video, so as to ensure the quality of the display picture and/or the output video. Preferably, each link of the monitor uses the original frame rate of the input ultra high definition video to process or output/display the best effect.
According to the ultra-high-definition monitor with the variable vision field, a user can adjust and display video images, local images and the like of a key attention area according to requirements, so that the user can conveniently check whether scenes and people are focused accurately, and the image display precision is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (18)
1. A variable view ultra high definition video monitor, the monitor comprising: the device comprises a video analysis module, a buffer module, a central processing unit, an adjustment control module, a display driving circuit and a display screen;
the buffer module is respectively connected with the video analysis module, the central processing unit and the display driving circuit; the central processing unit is also connected with the regulation control module; the display driving circuit is also connected with the display screen;
the video analysis module is used for receiving an ultra-high-definition video signal and sending each frame of video image of the ultra-high-definition video signal to the buffer module so that the buffer module buffers each frame of video image of the ultra-high-definition video signal;
the adjusting control module is used for adjusting display parameters of a video image, determining a key attention area of the video image and sending the key attention area to the central processing unit;
the central processing unit is used for reading a video image of the ultra-high definition video signal from the buffer module and extracting an image of a key attention area from the video image; performing aliasing processing on the image of the key attention area to obtain an aliased image, and storing the aliased image to a buffer module;
the display driving circuit is used for reading the aliasing image in the buffer module so as to enable the display screen to display the aliasing image.
2. The monitor of claim 1 wherein said adjustment control module comprises a remote control receiver and a remote control connected to said remote control receiver; the remote control signal of the remote controller is sent to the central processing unit through a remote control receiver;
the remote controller comprises a plurality of key units, and the key units remotely control and adjust display parameters of the video images in a key mode, increase key attention areas, cancel key attention areas, select one or more key attention areas or cancel any of the selected key attention areas; wherein the display parameters comprise image position and image size;
and/or the presence of a gas in the gas,
the remote controller is provided with a roller unit, and the roller unit remotely controls and adjusts display parameters in a roller rotating mode; the mode of rotating the roller comprises the steps of remotely adjusting the position of the key attention area on the whole image, and enlarging or reducing the key attention area.
3. The monitor of claim 1 wherein said adjustment control module comprises an HTTP server built into said adjustment control module and a display adjustment service running in the server;
the display adjustment service is connected to a browser of an adjustment device on the HTTP server through a limited network or a wireless network, and a display adjustment page is displayed in the browser, so that a user can adjust display parameters, increase key attention areas, cancel key attention areas, select one or more key attention areas, cancel any one of the selected key attention areas, adjust the position of the selected key attention area on the whole image, and enlarge or reduce the selected key attention area in the display adjustment page; the display parameters comprise image position and image size.
4. The monitor of claim 1, wherein said adjustment control module comprises a touch device disposed in close proximity to said display screen;
the touch device is used for adjusting display parameters, increasing key attention areas, canceling key attention areas, selecting any one of the key attention areas and canceling the selected key attention area, adjusting the position of the selected key attention area on the whole image, and amplifying or reducing the selected key attention area; the display parameters comprise image position and image size.
5. The monitor of claim 1 wherein said central processing unit comprises a down-conversion unit and an aliasing unit; the buffer module comprises a base map buffer unit;
the down-conversion unit is used for performing down-conversion processing on the whole image corresponding to the video image of the ultra-high definition video signal in the buffer module to obtain the whole image corresponding to the video image with reduced resolution; storing the whole image corresponding to the video image with reduced resolution into the base map buffer unit;
and the aliasing unit is used for performing aliasing processing on the whole image corresponding to the whole video image with reduced resolution and the image of the key attention area to obtain an aliased image.
6. The monitor according to claim 5, wherein the central processing unit further comprises a measurement index generating unit;
the measurement index generating unit is used for processing the whole image corresponding to the video image acquired from the buffering module according to the measurement index selected by the user to obtain a measurement index image; the measurement indexes comprise a color histogram, a oscillogram, a vector diagram, a pseudo color, a zebra crossing or auxiliary focusing;
and under the condition that the measurement index needs to be displayed, the aliasing unit is used for performing aliasing processing on the measurement index image, the whole image corresponding to the video image with reduced resolution and/or the image of the key attention area.
7. The monitor of claim 1 wherein said buffer module comprises an original video frame image buffer unit, an area of interest image buffer unit, and a display buffer unit;
the original video frame image buffer unit is used for buffering each frame of video image of the ultra-high definition video signal;
the key attention area image buffer unit is used for buffering an image of a key attention area of a video image of the ultra-high definition video signal; wherein the video image of each of the ultra high definition video signals comprises one or more regions of central interest;
the display buffer unit is used for buffering the aliasing image sent by the central processing unit, and the aliasing image is used for displaying in the display screen.
8. The monitor of claim 1, wherein the video parsing module comprises a signal input port, a signal receiving circuit, a video format identifying circuit and a video and audio separating circuit which are connected in sequence; the signal receiving circuit is also connected with the video and audio separating circuit;
the signal input port is used for transmitting the received ultra-high-definition video signal to the signal receiving circuit, so that the signal receiving circuit performs electrical matching and data conversion on the ultra-high-definition video signal, and sends the video signal after data conversion to the video audio separation circuit and the video format identification circuit;
the video and audio separation circuit is used for separating video and audio of the video signal after data conversion is finished and sending the separated video and audio to the buffer module;
the video format identification circuit is used for identifying the format of the video signal.
9. The monitor of claim 8 wherein said buffer module comprises a raw video frame image buffer unit and an audio buffer unit;
the original video frame image buffer unit is used for buffering each frame of video image of the separated video;
the audio buffer unit is used for buffering the separated audio.
10. The monitor of claim 8, wherein said video parsing module comprises a plurality of signal input ports, each of said signal input ports being configured to receive one of the following types of signals transmitted by a video signal source: an SDI signal of 48G, an SDI signal of 12G, an SDI signal of 3G, an HDMI signal.
11. The monitor of claim 9, wherein the monitor further comprises a speaker driver circuit and a speaker; the loudspeaker driving circuit is respectively connected with the loudspeaker and the audio buffer unit;
the loudspeaker driving circuit is used for reading the audio signal from the audio buffer unit and playing the audio signal through a loudspeaker.
12. The monitor of claim 9, further comprising a video output module, said buffer module comprising an output buffer unit, said video output module being connected to said output buffer unit and said audio buffer unit, respectively;
the output buffer unit is used for buffering the aliasing image;
the video output module is used for reading aliasing signals from the output buffer unit and reading audio signals from the audio buffer unit so as to enable an external video display to display the aliasing signals and play the audio signals.
13. The monitor of claim 12, wherein said video output module comprises a video format coding and audio embedding circuit, a signal transmitting circuit and a signal output port connected in sequence;
the video system coding and audio embedding circuit is used for coding the read video signal and embedding the read audio signal into the coded video signal to obtain a video to be played; sending the video to be played to the signal sending circuit;
the signal transmitting circuit transmits the received video to be played to an external video display through a signal output interface.
14. The monitor of claim 13, wherein said video output module comprises a plurality of video format coding and audio embedding circuits, a signal transmitting circuit and a signal output port connected in sequence; each signal output port is connected with one of the following external video displays:
a video display of an SDI interface of 48G, a video display of an SDI interface of 4-way 12G, a video display of an SDI interface of 1-way 12G, a video display of an SDI interface of 4-way 3G, a video display of a 4-way HDMI2.0 interface, and a video display of a 1-way HDMI2.1 interface.
15. The monitor according to claim 14, wherein the output buffer unit includes a plurality; wherein, one output buffer unit is connected with one video system coding and audio embedding circuit;
the aliasing unit of the central processing unit sends the unaliased key attention area image, the whole image corresponding to the video image with reduced resolution of the mixed key attention area image and the whole image corresponding to the video image with reduced resolution of the image with different key attention areas aliased to one or more output buffer units.
16. The monitor of claim 13, wherein said video output module comprises a plurality of video format coding and audio embedding circuits, a signal transmitting circuit and a signal output port connected in sequence; each of the signal output ports outputs a signal in one of a format of 48G SDI, 12G SDI, 3G SDI, HDMI2.0, or HDMI 2.1.
17. The monitor as claimed in claim 1, wherein the monitor supports input and processing and display of HDR high dynamic video; the supported HDR formats include one or more of Dolby vision, HDR10, or HLG.
18. The monitor of claim 1, wherein the monitor supports input, processing and display of high frame rate video; the video frame rate of the supported high frame rate video comprises one or more of the following: 120Hz, 100Hz, 60Hz, 50Hz, 30Hz, 25Hz, 120/1.001Hz, 60/1.001Hz, 30/1.001 Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010860567.1A CN111818311B (en) | 2020-08-25 | 2020-08-25 | Ultra-high-definition video monitor with variable vision field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010860567.1A CN111818311B (en) | 2020-08-25 | 2020-08-25 | Ultra-high-definition video monitor with variable vision field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111818311A true CN111818311A (en) | 2020-10-23 |
| CN111818311B CN111818311B (en) | 2021-06-04 |
Family
ID=72859113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010860567.1A Active CN111818311B (en) | 2020-08-25 | 2020-08-25 | Ultra-high-definition video monitor with variable vision field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111818311B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117812392A (en) * | 2024-01-09 | 2024-04-02 | 广州巨隆科技有限公司 | Resolution self-adaptive adjustment method, system, medium and device for visual screen |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105338323A (en) * | 2015-11-20 | 2016-02-17 | 浙江大华技术股份有限公司 | Video monitoring method and device |
| CN108293146A (en) * | 2015-11-20 | 2018-07-17 | 三星电子株式会社 | Image display and its operating method |
| CN110689498A (en) * | 2019-09-27 | 2020-01-14 | 西北大学 | High-definition video optimization method based on classification fuzzy of non-focus part |
| CN110708513A (en) * | 2019-10-18 | 2020-01-17 | 中国科学院长春光学精密机械与物理研究所 | 8K video multi-core heterogeneous processing device |
| CN111343393A (en) * | 2020-02-25 | 2020-06-26 | 四川新视创伟超高清科技有限公司 | Ultrahigh-definition video picture cutting method |
| CN111345026A (en) * | 2018-08-27 | 2020-06-26 | 深圳市大疆创新科技有限公司 | Image processing and presentation |
| CN111445408A (en) * | 2020-03-25 | 2020-07-24 | 浙江大华技术股份有限公司 | Method, device and storage medium for performing differentiation processing on image |
-
2020
- 2020-08-25 CN CN202010860567.1A patent/CN111818311B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105338323A (en) * | 2015-11-20 | 2016-02-17 | 浙江大华技术股份有限公司 | Video monitoring method and device |
| CN108293146A (en) * | 2015-11-20 | 2018-07-17 | 三星电子株式会社 | Image display and its operating method |
| CN111345026A (en) * | 2018-08-27 | 2020-06-26 | 深圳市大疆创新科技有限公司 | Image processing and presentation |
| CN110689498A (en) * | 2019-09-27 | 2020-01-14 | 西北大学 | High-definition video optimization method based on classification fuzzy of non-focus part |
| CN110708513A (en) * | 2019-10-18 | 2020-01-17 | 中国科学院长春光学精密机械与物理研究所 | 8K video multi-core heterogeneous processing device |
| CN111343393A (en) * | 2020-02-25 | 2020-06-26 | 四川新视创伟超高清科技有限公司 | Ultrahigh-definition video picture cutting method |
| CN111445408A (en) * | 2020-03-25 | 2020-07-24 | 浙江大华技术股份有限公司 | Method, device and storage medium for performing differentiation processing on image |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117812392A (en) * | 2024-01-09 | 2024-04-02 | 广州巨隆科技有限公司 | Resolution self-adaptive adjustment method, system, medium and device for visual screen |
| CN117812392B (en) * | 2024-01-09 | 2024-05-31 | 广州巨隆科技有限公司 | Resolution self-adaptive adjustment method, system, medium and device for visual screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111818311B (en) | 2021-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10956766B2 (en) | Bit depth remapping based on viewing parameters | |
| CN106992959B (en) | 3D panoramic audio and video live broadcast system and audio and video acquisition method | |
| CN109417624A (en) | Device and method for providing and showing content | |
| WO2013132828A1 (en) | Communication system and relay apparatus | |
| US10574933B2 (en) | System and method for converting live action alpha-numeric text to re-rendered and embedded pixel information for video overlay | |
| CN105376547A (en) | Micro video course recording system and method based on 3D virtual synthesis technology | |
| CN102801963B (en) | Electronic PTZ method and device based on high-definition digital camera monitoring | |
| WO2012122046A1 (en) | Eyeglasses with integrated camera for video streaming | |
| CN109547724B (en) | Video stream data processing method, electronic equipment and storage device | |
| CN104679463A (en) | Display device and method for splitting display pictures and transmitting pictures to different display units to be displayed | |
| CN104301657B (en) | A kind of video conference terminal and its secondary flow data cut-in method | |
| US20120050509A1 (en) | Stereoscopic glasses, stereoscopic video display device, and stereoscopic video display system | |
| US9445085B2 (en) | Imaging apparatus, method for controlling imaging apparatus, and system therefor | |
| JP2007053717A (en) | Security monitoring system capable of outputting still image | |
| JP2013125141A (en) | Display device, display method, transmitting device and transmitting method | |
| CN111818311B (en) | Ultra-high-definition video monitor with variable vision field | |
| Xie et al. | Modeling the perceptual impact of viewport adaptation for immersive video | |
| KR101311463B1 (en) | remote video transmission system | |
| KR101352860B1 (en) | Multi stream system and multi stream display method thereof | |
| KR101280443B1 (en) | apparatus of processing regional image and method thereof | |
| KR20120019754A (en) | Receiving system for digital braoadcasting using ultrea high definition module | |
| CN202818497U (en) | Electronic PTZ device capable of monitoring based on high-definition digital camera | |
| CN202221645U (en) | Eight-channel high-definition image display device | |
| WO2020172809A1 (en) | Method for video playback by photography apparatus and photography apparatus | |
| KR20210106855A (en) | Real-Time Vehicle-Related Data Collecting Apparatus and Method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |