CN111107316B - Image display method, device and system - Google Patents
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
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Abstract
The present disclosure provides an image display method, device and system, which relate to the technical field of image processing, and can view real-time pictures of source end devices in a thumbnail mode, so as to improve data processing efficiency and monitoring efficiency. The specific technical scheme is as follows: receiving thumbnail request information sent by display terminal equipment; acquiring a real-time picture of the source end equipment according to the thumbnail request information; and compressing the real-time picture of the source end equipment to generate a thumbnail, encoding the thumbnail and then sending the thumbnail to the display end equipment, so that the display end equipment displays the decoded thumbnail in a thumbnail list area.
Description
Technical Field
The present disclosure relates to the field of image processing technologies, and in particular, to an image display method, device, and system.
Background
With the continuous development of internet technology, remote monitoring has become more and more popular. In the prior art, in order to monitor a remote device, a monitoring device (such as a camera, etc.) is required to send a monitoring picture or a monitoring video to a monitoring terminal, and the monitoring terminal displays the monitoring picture or the monitoring video on a display screen by splicing the monitoring picture or the monitoring video with each other.
Disclosure of Invention
The embodiment of the disclosure provides an image display method, device and system, which can check a real-time picture of a source device in a thumbnail mode, and improve data transmission efficiency and monitoring efficiency. The technical scheme is as follows:
according to a first aspect of embodiments of the present disclosure, there is provided an image display method including:
receiving thumbnail request information sent by display terminal equipment, wherein the thumbnail request information comprises a network port and size information of a thumbnail;
acquiring a real-time picture of the source end equipment according to the thumbnail request information;
and compressing the real-time picture of the source end equipment to generate a thumbnail, encoding the thumbnail and then sending the thumbnail to the display end equipment, so that the display end equipment displays the decoded thumbnail in a thumbnail list area.
The real-time picture of the source end equipment is collected in real time according to the thumbnail request information sent by the display end equipment, the real-time picture is compressed into the thumbnail to be displayed on the display end equipment, the real-time picture of the source end equipment can be sent to the display end equipment in the thumbnail mode to be displayed, and the data transmission efficiency and the data monitoring efficiency are improved.
In one embodiment, the method further comprises:
receiving a first operation instruction and display information of a picture display area, wherein the first operation instruction is sent by display end equipment and used for indicating to enlarge and display a real-time picture of source end equipment corresponding to a thumbnail, and the display information comprises coordinate parameters and size information of the picture display area;
and coding the acquired real-time picture of the source end equipment and then sending the coded real-time picture to the display end equipment according to the first operation instruction and the display information of the picture display area, so that the display end equipment displays the real-time picture on the picture display area after decoding.
In one embodiment, the method further comprises:
receiving a second operation instruction sent by the display terminal equipment, wherein the second operation instruction is used for indicating operation information of a display picture of the picture display area;
and decoding the second operation instruction and then sending the second operation instruction to the source end equipment so as to carry out reverse control on the source end equipment.
According to a second aspect of the embodiments of the present disclosure, there is provided an image display system including: the device comprises display end equipment, at least one acquisition end equipment and at least one source end equipment, wherein the acquisition end equipment is correspondingly connected with the source end equipment one by one through a video line and a data line, and the acquisition end equipment is in communication connection with the display end equipment;
the method comprises the steps that display end equipment sends thumbnail request information to acquisition end equipment, wherein the thumbnail request comprises a network port and thumbnail size information;
the acquisition end equipment acquires the real-time picture of the corresponding source end equipment through a video line according to the thumbnail request information, compresses the real-time picture to generate a thumbnail, and transmits the thumbnail to the display end equipment after being coded according to the first frame rate;
and the display end equipment displays the decoded thumbnail in a corresponding thumbnail window in the thumbnail list area.
In one embodiment, a display end device acquires a first operation instruction of a user, and sends the first operation instruction and display information of a picture display area to an acquisition end device, wherein the first operation instruction is used for indicating to enlarge and display a real-time picture corresponding to a source end device corresponding to a target thumbnail, and the display information comprises coordinate parameters and size information of the picture display area;
the acquisition end equipment encodes the acquired real-time picture of the source end equipment according to the first operation instruction and the display information of the picture display area and then sends the encoded real-time picture to the display end equipment according to a second frame rate;
and the display end equipment displays the decoded real-time picture on the picture display area.
In one embodiment, the display end device acquires a second operation instruction of the user, codes the second operation instruction and then sends the second operation instruction to the acquisition end device, wherein the second operation instruction is used for indicating operation information of a display picture of the picture display area;
and the acquisition end device decodes the second operation instruction and then sends the second operation instruction to the source end device through the data line so as to perform reverse control on the source end device.
In one embodiment, during initialization, device parameters of each acquisition end device are configured, and the device reference includes a network address and a network port of the acquisition end device.
In one embodiment, the source device and the sink device are independent devices, or the sink device is embedded in the source device.
According to a third aspect of the embodiments of the present disclosure, there is provided an apparatus for image display, the apparatus for image display including a processor and a memory, the memory having stored therein at least one computer instruction, the instruction being loaded and executed by the processor to implement the steps performed in the method for image display described in the first aspect and any of the embodiments of the first aspect.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium, in which at least one computer instruction is stored, the instruction being loaded and executed by a processor to implement the steps performed in the processing method for image display described in the first aspect and any one of the embodiments of the first aspect.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a flowchart of an image display method provided by an embodiment of the present disclosure;
fig. 2 is a flowchart of an image display method provided by an embodiment of the present disclosure;
fig. 3 is a flowchart of an image display method provided by an embodiment of the present disclosure;
FIG. 4 is a block diagram of an image display system provided by an embodiment of the present disclosure;
FIG. 5 is an interaction diagram of an image display method provided by an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of a thumbnail and a screen display area provided by an embodiment of the present disclosure;
fig. 7 is a structural diagram for an image display device according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
An embodiment of the present disclosure provides an image display method, as shown in fig. 1, the image display method including the steps of:
101. and receiving thumbnail request information sent by the display terminal equipment.
The thumbnail request information comprises a network address and a network port of the acquisition terminal device, the size of the thumbnail and the position identification of the thumbnail in the thumbnail list. The thumbnail comprises a thumbnail list, wherein the thumbnail comprises a network address and a network port, the network address and the network port are used for indicating communication ports of display-end equipment and acquisition-end equipment, the size of the thumbnail is used for indicating parameters such as the length, the width and the resolution of the thumbnail, and the position identification of the thumbnail in the thumbnail list is used for indicating a thumbnail window corresponding to the thumbnail in the thumbnail list. The execution main body is the acquisition end device, when the display end device needs to acquire a display screen of the source end device, the thumbnail request information is sent to the acquisition end device, and the acquisition end device receives the thumbnail request information sent by the display end device.
102. And acquiring a real-time picture of the source end equipment according to the thumbnail request information.
In the disclosed example, the collector device and the source device are in one-to-one correspondence, and therefore, when receiving the thumbnail request information, the collector device collects a real-time picture of the source device corresponding to the collector device through the video line.
103. And compressing the real-time picture of the source end equipment to generate a corresponding thumbnail, encoding the thumbnail and then sending the encoded thumbnail to the display end equipment, so that the display end equipment displays the decoded thumbnail in the thumbnail list area.
After the acquisition end equipment acquires the display picture of the source end equipment, generating a thumbnail for the width and high compression of the acquired real-time picture so as to ensure low bandwidth; and meanwhile, the thumbnail is coded, the coded thumbnail is sent to the display end equipment through a network port in the thumbnail request information according to the first frame rate, and the display end equipment decodes the compressed thumbnail and displays the decoded thumbnail in a corresponding thumbnail window in the thumbnail list area.
Based on the image display method described in the embodiment of fig. 1, when any thumbnail in the thumbnail list needs to be displayed in an enlarged manner, as shown in fig. 2, the method further includes:
104. and receiving a first operation instruction and display information of the picture display area sent by the display terminal equipment.
Since the picture displayed by the source device is changed in real time, when any thumbnail in the thumbnail list is magnified and displayed, it means that the real-time picture of the source device corresponding to the thumbnail is magnified and displayed, and therefore in the embodiment of the present disclosure, the first operation instruction is used to instruct to magnify and display the real-time picture of the source device corresponding to the thumbnail, and the first operation instruction includes double click, single click, sliding and the like; the display information includes coordinate parameters of the screen display area and size information, the display information of the screen display area may be preset, and the size information includes the length and width of the display screen area.
Illustratively, when a user needs to enlarge thumbnails in a thumbnail list area, thumbnails to be enlarged are selected through modes of double-click, single-click, sliding and the like of an input device, a display device captures operation information of the user through the input device, then a first operation instruction obtained by the user is sent to an acquisition device, display information of a picture display area where the thumbnails are to be enlarged and displayed is sent to the acquisition device, and the acquisition device receives the first operation instruction sent by the display device and the display information of the picture display area.
105. And coding the acquired real-time picture of the source end equipment and then sending the coded real-time picture to the display end equipment according to the first operation instruction and the display information of the picture display area, so that the display end equipment displays the real-time picture of the source end equipment on the picture display area after decoding.
The acquisition end device acquires the real-time picture of the source end device after receiving the first operation instruction and the display information of the picture display area, encodes the real-time picture according to the display information of the picture display area and then sends the encoded real-time picture to the display end device, and the display end device amplifies and displays the real-time picture of the source end device in the picture display area after decoding the real-time picture.
Based on the image display method described in the corresponding embodiment of fig. 1, when reverse control of the display screen of the source device is required, referring to fig. 3, the method further includes:
106. and receiving a second operation instruction sent by the display terminal equipment.
The second operation instruction is used for indicating operation information of a display screen of the screen display area. The user operates the picture display area through the input equipment, the display end equipment captures input information of the input equipment, a second operation instruction of the user is obtained, and then the display end equipment encodes the second operation instruction and sends the encoded second operation instruction to the acquisition end equipment.
107. And decoding the second operation instruction and then sending the second operation instruction to the source end equipment so as to carry out reverse control on the source end equipment.
After receiving the second operation instruction sent by the display end device, the acquisition end device decodes the second operation instruction, and sends the decoded second operation instruction to the source end device, so that the purpose of performing reverse control on the source end device can be achieved.
The image display method provided by the embodiment of the disclosure receives the thumbnail request information sent by the display end device, collects the real-time picture of the source end device according to the thumbnail request information, compresses the real-time picture of the source end device to generate the thumbnail, and sends the thumbnail to the display end device after being encoded, so that the display end device displays the decoded thumbnail in the thumbnail list. The real-time picture of the source end equipment is collected in real time according to the thumbnail request information sent by the display end equipment, the real-time picture is compressed into the thumbnail to be displayed on the display end equipment, the real-time picture of the source end equipment can be sent to the display end equipment in the thumbnail mode to be displayed, and the data transmission efficiency and the data monitoring efficiency are improved.
Based on the image display method provided by the embodiment corresponding to fig. 1, another embodiment of the present disclosure provides an image display method, which may be applied to the image display system shown in fig. 4, where the image display system includes: the device comprises display end equipment, at least one sending end equipment and at least one source end equipment. The display end equipment is connected with input equipment such as a keyboard and a mouse, the display end equipment is in communication connection with each acquisition end equipment in at least one acquisition end equipment, the acquisition end equipment corresponds to the source end equipment one to one, and the acquisition end equipment is in communication connection with the source end equipment through a video line and a data line. It should be noted that the acquisition end device and the source end device are mutually independent devices, or the acquisition end device is embedded in the source end device. Fig. 4 shows only one collection end device and one source end device, and the collection end device and the source end device are taken as two devices independent of each other for illustrative purposes.
Based on the image display system shown in fig. 4, the embodiment of the present disclosure mainly provides a method for viewing real-time computer pictures and thumbnails of a source device, and receiving user input data and feeding back the user input data to the source device through a collection device to achieve the purpose of reversely controlling the source device. Specifically, referring to fig. 5, the image display method includes: the display end equipment sends thumbnail request information to the acquisition end equipment, and the acquisition end equipment acquires a real-time picture of corresponding source end equipment through a video line according to the thumbnail request information, compresses the real-time picture to generate a thumbnail and sends the thumbnail to the display end equipment after encoding the thumbnail according to a first frame rate; and the display end equipment displays the decoded thumbnail in a corresponding thumbnail window in the thumbnail list area. Further, the display end device acquires a first operation instruction of a user, and sends the first operation instruction and the display information of the picture display area to the acquisition end device, and the acquisition end device encodes the acquired real-time picture of the source end device and then sends the encoded real-time picture to the display end device according to a second frame rate; and the display end equipment displays the decoded real-time picture on the picture display area. Further, the display end equipment acquires a second operation instruction of the user, encodes the second operation instruction and then sends the encoded second operation instruction to the acquisition end equipment; and the acquisition end device decodes the second operation instruction and then sends the second operation instruction to the source end device through the data line so as to perform reverse control on the source end device.
According to the image display system shown in fig. 4, an application scenario in computer teaching is exemplified below, and in the computer teaching, the image display system includes a teacher end, a sending end (hardware device), and a student end, where the teacher end is a display end device, the sending end is an acquisition end device, and the student end is a source end computer. After the source end device is started, the sending end (S) device collects the picture of the source end device through the video line, then codes the collected picture and sends the coded picture to the display end through the network. When the program in the display side receives the picture data transmitted from the transmitting side (S), it decodes and displays it on the screen. When a user operates on a screen displayed on the display terminal through a keyboard and a mouse, a program in the display terminal captures an input action of the user and transmits an action code to the transmitting terminal through a network (S). When receiving the reverse control data sent by the display end, the sending end (S) decodes the data and feeds back the result obtained by decoding to the source end equipment through the data line so as to achieve the purpose of reversely controlling the source end equipment. Specifically, the method comprises the following steps:
(1) The sending terminal equipment is connected with the student end through a video line and a data line.
(2) And operating teacher software for the first time, and configuring parameters of each sending end device through the software, wherein the parameters of the sending end device comprise a network address, a network port and the like for communication.
(3) The teacher software sends a request (including a network port) for obtaining the thumbnail to the sending terminal equipment through the network according to the parameters of the student configured by the user, and starts to monitor the network port in the request parameters of the thumbnail.
(4) When receiving the thumbnail request parameters from the teacher end, the sending end equipment collects computer pictures on the student end through the video line.
(5) The sending terminal equipment performs width and height compression on the acquired computer picture to generate a thumbnail so as to ensure low bandwidth, and then encodes the thumbnail and sends the thumbnail to the teacher terminal through a network port in the thumbnail request parameter according to a first frame rate.
(6) The teacher end receives the thumbnail data of the sending end device through the monitored network port, decodes the thumbnail data, and displays the thumbnail data in a corresponding thumbnail window (as shown in fig. 6) in the thumbnail list area according to different network port parameters, so that the teacher can monitor the picture of the student end through the thumbnail.
(7) When the teacher views the live computer screen of the student, the teacher double-clicks the corresponding thumbnail.
(8) And the teacher software sends the parameters selected by the teacher to the corresponding sending end equipment.
(9) And the sending end equipment encodes the acquired computer picture after receiving the parameters and sends the encoded computer picture to the teacher end according to a second frame rate (real-time computer picture).
(10) And the teacher end decodes the real-time computer picture data received by the sending end equipment and displays the real-time computer picture data in the real-time computer picture display area.
(11) When a teacher needs to operate the student end, the mouse can be moved to the real-time computer picture display area and operated by the mouse and the keyboard, and the teacher end can collect input information of the keyboard and the mouse and encode the input information and send the encoded input information to the sending end through the network.
(12) After the transmitting end receives input information data transmitted by the teacher end through the network, the data are decoded, and then the data obtained through decoding are transmitted to the student end through the data line, so that the purpose of operating the computer of the student end can be achieved.
The image display method provided by the embodiment of the disclosure can check the real-time computer picture and the thumbnail of the source device, and feed back the operation of the user on the display device to the source device to achieve the purpose of reversely controlling the source device, thereby improving the transmission efficiency and the monitoring efficiency of data.
Based on the image display method described in the embodiments corresponding to fig. 1 and fig. 3, the following is an embodiment of the apparatus of the present disclosure, which can be used to execute the embodiment of the method of the present disclosure.
An embodiment of the present disclosure provides an apparatus for image display, as shown in fig. 7, the apparatus 70 for image display including: a receiving module 701, an acquisition module 702, an encoding module 703 and a sending module 704;
the receiving module 701 is configured to receive thumbnail request information sent by a display device, where the thumbnail request information includes a network port and size information of a thumbnail;
an acquisition module 702, configured to acquire a real-time picture of a source device according to the thumbnail request information;
the encoding module 703 is configured to compress a real-time picture of the source device to generate a thumbnail;
a sending module 704, configured to send the encoded thumbnail to the display device, so that the display device displays the decoded thumbnail in the thumbnail list area.
In one embodiment of the present invention,
the receiving module 701 is configured to receive a first operation instruction and display information of a picture display area, where the first operation instruction is used to instruct to enlarge and display a real-time picture of a source device corresponding to a thumbnail, and the display information includes coordinate parameters and size information of the picture display area;
the encoding module 703 is configured to encode the acquired real-time picture of the source device according to the first operation instruction and the display information of the picture display area;
a sending module 704, configured to send the encoded real-time picture to the display device, so that the display device displays the real-time picture on the picture display area after decoding.
In one embodiment of the present invention,
a receiving module 701, configured to receive a second operation instruction sent by a display device, where the second operation instruction is used to indicate operation information of a display screen in a screen display area;
the sending module 704 is configured to decode the second operation instruction and send the decoded second operation instruction to the source end device, so as to perform reverse control on the source end device.
The device for image display provided by the embodiment of the disclosure receives the thumbnail request information sent by the display end device, collects the real-time picture of the source end device according to the thumbnail request information, compresses the real-time picture of the source end device to generate the thumbnail, and sends the thumbnail to the display end device after encoding, so that the display end device displays the decoded thumbnail in the thumbnail list. The method and the device for displaying the thumbnail of the source end equipment acquire the real-time picture of the source end equipment in real time according to the thumbnail request information sent by the display end equipment, compress the real-time picture into the thumbnail to be displayed on the display end equipment, and can send the real-time picture of the source end equipment to the display end equipment in the form of the thumbnail to be displayed, so that the data transmission efficiency and the data monitoring efficiency are improved.
The disclosed embodiment also provides an apparatus for image display, where the apparatus for image display includes a receiver, a transmitter, a memory, and a processor, where the transmitter and the memory are respectively connected to the processor, the memory stores at least one computer instruction, and the processor is configured to load and execute the at least one computer instruction to implement the image display method described in the embodiment corresponding to fig. 1.
Based on the image display method described in the embodiment corresponding to fig. 1 and fig. 3, the embodiment of the present disclosure further provides a computer-readable storage medium, for example, the non-transitory computer-readable storage medium may be a Read Only Memory (ROM), a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like. The storage medium stores computer instructions for executing the image display method described in the embodiment corresponding to fig. 1, which is not described herein again.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (8)
1. An image display method, characterized in that the method comprises:
receiving thumbnail request information sent by display terminal equipment, wherein the thumbnail request information comprises a network port and size information of a thumbnail;
acquiring a real-time picture of the source end equipment according to the thumbnail request information;
compressing the real-time picture of the source end device to generate a thumbnail, encoding the thumbnail and then sending the encoded thumbnail to the display end device, so that the display end device displays the decoded thumbnail in a thumbnail list area;
receiving a first operation instruction and display information of a picture display area, wherein the first operation instruction is sent by the display end device and used for indicating to enlarge and display a real-time picture of the source end device corresponding to the thumbnail, and the display information comprises coordinate parameters and size information of the picture display area;
and coding the acquired real-time picture of the source end equipment and then sending the coded real-time picture to the display end equipment according to the first operation instruction and the display information of the picture display area, so that the display end equipment displays the real-time picture on the picture display area after decoding.
2. The method of claim 1, further comprising:
receiving a second operation instruction sent by the display terminal device, wherein the second operation instruction is used for indicating operation information of a display picture of the picture display area;
and decoding the second operation instruction and then sending the second operation instruction to the source end equipment so as to carry out reverse control on the source end equipment.
3. An image display system, comprising: the device comprises display end equipment, at least one acquisition end equipment and at least one source end equipment, wherein the acquisition end equipment is correspondingly connected with the source end equipment one by one through a video line and a data line, and the acquisition end equipment is in communication connection with the display end equipment;
the display terminal equipment sends thumbnail request information to the acquisition terminal equipment, wherein the thumbnail request comprises the size information of a network port and a thumbnail;
the acquisition end equipment acquires a real-time picture of corresponding source end equipment through a video line according to the thumbnail request information, compresses the real-time picture to generate a thumbnail, and transmits the thumbnail to the display end equipment after being coded according to a first frame rate;
the display terminal equipment displays the decoded thumbnail in a corresponding thumbnail window in the thumbnail list area;
the method comprises the steps that a display end device obtains a first operation instruction of a user and sends the first operation instruction and display information of a picture display area to an acquisition end device, wherein the first operation instruction is used for indicating to enlarge and display a real-time picture corresponding to a source end device corresponding to a target thumbnail, and the display information comprises coordinate parameters and size information of the picture display area;
the acquisition end equipment encodes the acquired real-time picture of the source end equipment according to the first operation instruction and the display information of the picture display area and then sends the encoded real-time picture to the display end equipment according to a second frame rate;
and the display terminal equipment displays the decoded real-time picture on the picture display area.
4. The system of claim 3,
the display end equipment acquires a second operation instruction of a user, codes the second operation instruction and then sends the second operation instruction to the acquisition end equipment, wherein the second operation instruction is used for indicating operation information of a display picture of the picture display area;
and the acquisition end device decodes the second operation instruction and then sends the second operation instruction to the source end device through a data line so as to perform reverse control on the source end device.
5. The system of claim 3,
and during initialization, configuring the equipment parameters of each acquisition end equipment, wherein the equipment reference comprises the network address and the network port of the acquisition end equipment.
6. The system of claim 3, wherein the sink device and the source device are independent devices or the sink device is embedded in the source device.
7. An apparatus for image display, characterized in that the apparatus for image display comprises a processor and a memory, in which at least one computer instruction is stored, which is loaded and executed by the processor to implement the steps performed in the image display method according to any one of claims 1 to 2.
8. A computer-readable storage medium having stored thereon at least one computer instruction, which is loaded and executed by a processor to perform the steps performed in the image display method of any one of claims 1 to 2.
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| KR100775176B1 (en) * | 2006-03-10 | 2007-11-12 | 엘지전자 주식회사 | Thumbnail recording method for providing information of video data and terminal using the same |
| CN103049238A (en) * | 2012-12-14 | 2013-04-17 | 广东威创视讯科技股份有限公司 | Method and device for transmitting image data |
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