CN113259543A - Portable half-width image scratching blackboard - Google Patents
Portable half-width image scratching blackboard Download PDFInfo
- Publication number
- CN113259543A CN113259543A CN202110534070.5A CN202110534070A CN113259543A CN 113259543 A CN113259543 A CN 113259543A CN 202110534070 A CN202110534070 A CN 202110534070A CN 113259543 A CN113259543 A CN 113259543A
- Authority
- CN
- China
- Prior art keywords
- signal
- teaching
- blackboard
- portable
- matting
- 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.)
- Pending
Links
- 238000006748 scratching Methods 0.000 title abstract description 4
- 230000002393 scratching effect Effects 0.000 title abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000004744 fabric Substances 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 230000003993 interaction Effects 0.000 claims description 5
- 230000002452 interceptive effect Effects 0.000 claims description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/2224—Studio circuitry; Studio devices; Studio equipment related to virtual studio applications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
-
- 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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/6437—Real-time Transport Protocol [RTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a portable half-width scratching blackboard which comprises the following steps of equipment arrangement, wherein a proper teaching classroom is selected, a portable blackboard is moved to a position needing to be used, the contained scratching blue cloth is hung on one side of the portable blackboard, and then the equipment for on-line teaching is adjusted, so that the blackboard can be used subsequently. The invention is mainly used for on-line teaching and can also be used for teaching video production, which not only can effectively solve the defects of screen flashing, light reflection, image attenuation and the like brought by display equipment such as an LED screen, a television screen and the like in the shooting process, but also can overcome the problems of inconsistent picture and teacher picture proportion, high large display screen cost and the like in the multimedia teaching session of a general recording and broadcasting system, thereby effectively improving the teaching quality.
Description
Technical Field
The invention relates to the technical field of teaching, in particular to a portable half-width image matting blackboard.
Background
The term "matting" was derived from earlier television productions. The English is called "Key", which means that a certain color in the picture is taken as transparent color, and the transparent color is scratched out of the picture, so that the background is made to be transparent, and the superposed composition of the two layers of pictures is formed. Thus, the figure shot indoors is combined with various scenes after being scratched to form a magic artistic effect.
However, the existing image matting technology is small in application range and cannot be combined with the existing teaching, in the traditional multimedia teaching process, the defects of screen flashing, light reflection, image attenuation and the like of display equipment such as an LED screen and a television screen tend to occur, and the problems of inconsistent picture and teacher picture proportion, high display screen cost and the like in a multimedia teaching session are also mixed, so that the learning effect of students is greatly reduced, and the teaching quality is reduced.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a portable half-width image matting blackboard.
The invention provides a portable half-width image matting blackboard, which comprises the following steps:
s1, equipment arrangement, namely selecting a proper teaching classroom, moving the portable blackboard to a position to be used, hanging the accommodated matting blue cloth on one side of the portable blackboard, and then adjusting the equipment for on-line teaching so as to perform subsequent use;
s2, inputting signals, namely after the use scene arrangement is finished, inputting the on-line teaching signals into the signal conversion module by adopting corresponding input equipment, and projecting the signals into the matting blue cloth area to finish the signal input;
s3: when the signal is input into the conversion module, the signal is firstly input into the multi-computer online director system to complete signal access, and after the signal is received, the multi-computer online director system transmits the received signal to the multi-channel virtual image matting and director switching system to complete signal conversion;
s4: signal output, after conversion module accomplishes the signal conversion, can be connected it with corresponding signal output equipment to the information transfer that will convert the completion accomplishes in the blue cloth region of matting with the image, accomplishes information output, thereby improves campus mr teaching quality, makes student's comprehension ability improve by a wide margin, thereby improves student's learning efficiency.
Preferably, the input device method adopted for signal input in S2 is various, and the HDMI of the video camera may be used to transmit the signal to the conversion module, the modern smart phone may be used to project the signal to the conversion module to complete signal input, and meanwhile, the computer may be used to perform remote screen capture for signal input, and the PTSP/RTMP of the network video may be used to transmit the signal to the conversion module for signal input.
Preferably, the signal output of S4 has multiple modes, which can be performed as follows:
firstly, the method comprises the following steps: the public number is established by utilizing the advantages of the Internet in a multi-address plug-flow mode, and a corresponding micro-class center is established, so that students can acquire teaching contents on line; the corresponding live teaching platform can be set on the basis of the Internet, and the teaching can be completed in a video teaching mode;
secondly, the method comprises the following steps: by utilizing a virtual camera output mode, the content to be taught is firstly based on the small program created by the Internet and then output by combining the corresponding camera, so that the interaction between the two parties is completed, and an online conference can be carried out by utilizing the camera output mode;
thirdly, the method comprises the following steps: transmitting the signals to the online director system of the multi-position machine for signal output by an NDI (named data input) output mode, or outputting the signals by a third-party platform;
fourthly: and outputting signals by adopting a local recording mode.
Preferably, the multi-player guide system in the signal conversion of S3 transmits the sound to the inside of the sound console by using the wireless microphone and the broadcasting microphone in the using process, and the sound console transmits the sound to the multi-player online guide system through the recording sound card, so that the multi-player online guide system transmits the signal to the signal output device, and online interactive teaching and online live broadcasting are completed.
The invention has the beneficial effects that:
1. the portable half-width image matting blackboard designed by the invention is mainly used for online teaching and can also be used for teaching video production, not only can effectively solve the defects of screen flashing, light reflection, image attenuation and the like brought by display equipment such as an LED screen, a television screen and the like in the shooting process, but also can overcome the problems of inconsistent ratio of pictures of a multimedia teaching session of a general recording and broadcasting system to pictures of a teacher, high cost of a large display screen and the like, thereby effectively improving the teaching quality;
2. the portable half-width image matting blackboard designed by the invention is based on cloud distribution, storage and on-demand, can solve the problem of insufficient network bandwidth and server resources in a school, can realize real-time interactive live broadcast and solve the problem of contradiction between interaction and large-scale viewing, and can enhance the on-line teaching and research capability of teachers in an image matting teaching mode.
Drawings
FIG. 1 is a schematic structural view of a virtual studio system for a portable half-width sectional image blackboard according to the present invention;
FIG. 2 is a schematic cross-region interaction structure diagram of a portable half-width matting blackboard proposed by the present invention;
FIG. 3 is a schematic view of a connection structure of a portable half-width matting blackboard in a virtual studio according to the present invention;
fig. 4 is an overall structural schematic diagram of a portable half-width image matting blackboard provided by the invention.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a portable half-width image matting blackboard comprises the following steps:
s1, equipment arrangement, namely selecting a proper teaching classroom, moving the portable blackboard to a position to be used, hanging the accommodated matting blue cloth on one side of the portable blackboard, and then adjusting the equipment for on-line teaching so as to perform subsequent use;
s2, inputting the on-line teaching signal into the signal conversion module by adopting corresponding input equipment after the use scene arrangement is finished, and projecting the on-line teaching signal into the matting blue cloth area to finish the signal input, wherein the input equipment adopted for the signal input in S2 has various methods, the signal can be transmitted into the conversion module by using the HDMI of the video camera, the signal can be projected into the conversion module by using a modern smart phone to finish the signal input, meanwhile, the signal can be remotely input by using a computer to grab the screen, and the signal can be transmitted into the conversion module by using the PTSP/RTMP of the network video to perform the signal input;
s3: the multi-machine on-line broadcasting system in the S3 signal conversion transmits sound to the inside of the sound console by using a wireless microphone and a broadcasting microphone in the using process, and the sound console transmits the sound to the multi-machine on-line broadcasting system by using a recording sound card, so that the multi-machine on-line broadcasting system transmits the signal to a signal output device to complete on-line interactive teaching and on-line live broadcasting;
s4: signal output, after conversion module accomplishes signal conversion, can be connected it with corresponding signal output equipment to the information transfer that will convert the completion is to keying out in the blue cloth region, accomplishes information output, thereby improves campus teacher ' S teaching quality, makes the student understand the ability and improves by a wide margin, thereby improves student ' S learning efficiency, the mode is various in S4 ' S signal output, can take following mode to go on:
firstly, the method comprises the following steps: the public number is established by utilizing the advantages of the Internet in a multi-address plug-flow mode, and a corresponding micro-class center is established, so that students can acquire teaching contents on line; the corresponding live teaching platform can be set on the basis of the Internet, and the teaching can be completed in a video teaching mode;
secondly, the method comprises the following steps: by utilizing a virtual camera output mode, the content to be taught is firstly based on the small program created by the Internet and then output by combining the corresponding camera, so that the interaction between the two parties is completed, and an online conference can be carried out by utilizing the camera output mode;
thirdly, the method comprises the following steps: transmitting the signals to the online director system of the multi-position machine for signal output by an NDI (named data input) output mode, or outputting the signals by a third-party platform;
fourthly: outputting signals by adopting a local recording mode;
under the prerequisite based on internet technology, utilize and scratch the image technique and move the teaching to the on-line, not only can effectively improve the teaching quality, can also make teaching resources abundanter to at the interactive in-process of teaching, if the teaching content on the image is scratched to the unable timely understanding of student, the teacher can also be timely carry out the blackboard-writing explanation in other half of blackboard, thereby can effectively improve the teaching quality.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. The utility model provides a blackboard is scratched to half width of portable, its characterized in that includes following step:
s1, equipment arrangement, namely selecting a proper teaching classroom, moving the portable blackboard to a position to be used, hanging the accommodated matting blue cloth on one side of the portable blackboard, and then adjusting the equipment for on-line teaching so as to perform subsequent use;
s2, inputting signals, namely after the use scene arrangement is finished, inputting the on-line teaching signals into the signal conversion module by adopting corresponding input equipment, and projecting the signals into the matting blue cloth area to finish the signal input;
s3: when the signal is input into the conversion module, the signal is firstly input into the multi-computer online director system to complete signal access, and after the signal is received, the multi-computer online director system transmits the received signal to the multi-channel virtual image matting and director switching system to complete signal conversion;
s4: signal output, after conversion module accomplishes the signal conversion, can be connected it with corresponding signal output equipment to the information transfer that will convert the completion accomplishes in the blue cloth region of matting with the image, accomplishes information output, thereby improves campus mr teaching quality, makes student's comprehension ability improve by a wide margin, thereby improves student's learning efficiency.
2. The portable half-width matting blackboard according to claim 1, wherein the signal input in S2 has various input device methods, and can transmit the signal to the conversion module by using HDMI of a video camera, or project the signal to the conversion module by using a modern smart phone to complete signal input, or remotely capture the screen by using a computer to perform signal input, or transmit the signal to the conversion module by using PTSP/RTMP of a network video to perform signal input.
3. The portable half-width matting blackboard according to claim 1, wherein the signal output of S4 has various modes, which can be performed as follows:
firstly, the method comprises the following steps: the public number is established by utilizing the advantages of the Internet in a multi-address plug-flow mode, and a corresponding micro-class center is established, so that students can acquire teaching contents on line; the corresponding live teaching platform can be set on the basis of the Internet, and the teaching can be completed in a video teaching mode;
secondly, the method comprises the following steps: by utilizing a virtual camera output mode, the content to be taught is firstly based on the small program created by the Internet and then output by combining the corresponding camera, so that the interaction between the two parties is completed, and an online conference can be carried out by utilizing the camera output mode;
thirdly, the method comprises the following steps: transmitting the signals to the online director system of the multi-position machine for signal output by an NDI (named data input) output mode, or outputting the signals by a third-party platform;
fourthly: and outputting signals by adopting a local recording mode.
4. The portable half-width image matting blackboard according to claim 1, wherein the multi-machine broadcasting system in the signal conversion of S3 transmits sound to the inside of the sound console by using the wireless microphone and the broadcasting microphone in the using process, and the sound console transmits the sound to the multi-machine online broadcasting system through the recording sound card, so that the multi-machine online broadcasting system transmits the signal to the signal output device, and online interactive teaching and online live broadcasting are completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110534070.5A CN113259543A (en) | 2021-05-17 | 2021-05-17 | Portable half-width image scratching blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110534070.5A CN113259543A (en) | 2021-05-17 | 2021-05-17 | Portable half-width image scratching blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113259543A true CN113259543A (en) | 2021-08-13 |
Family
ID=77182147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110534070.5A Pending CN113259543A (en) | 2021-05-17 | 2021-05-17 | Portable half-width image scratching blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113259543A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106846940A (en) * | 2016-12-29 | 2017-06-13 | 珠海思课技术有限公司 | A kind of implementation method of online live streaming classroom education |
| CN108494997A (en) * | 2018-06-27 | 2018-09-04 | 北京竞业达数码科技股份有限公司 | A kind of director system and live streaming recording and broadcasting system |
| CN111954024A (en) * | 2020-08-27 | 2020-11-17 | 顾建亮 | Course recording live broadcasting method and system |
-
2021
- 2021-05-17 CN CN202110534070.5A patent/CN113259543A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106846940A (en) * | 2016-12-29 | 2017-06-13 | 珠海思课技术有限公司 | A kind of implementation method of online live streaming classroom education |
| CN108494997A (en) * | 2018-06-27 | 2018-09-04 | 北京竞业达数码科技股份有限公司 | A kind of director system and live streaming recording and broadcasting system |
| CN111954024A (en) * | 2020-08-27 | 2020-11-17 | 顾建亮 | Course recording live broadcasting method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107945592B (en) | Synchronous mutual-aid classroom teaching system | |
| CN208257968U (en) | A kind of Classic Course intelligence recording and broadcasting system | |
| CN109887096A (en) | Utilize the education and instruction information processing system and its teaching method of virtual reality technology | |
| CN105931510A (en) | Synchronous comment recording classroom platform and method thereof | |
| CN111627271A (en) | Synchronous classroom system and management platform thereof | |
| CN105306862A (en) | Scenario video recording system and method based on 3D virtual synthesis technology and scenario training learning method | |
| CN110349456B (en) | Intelligent control system, remote control terminal and classroom terminal of interactive classroom | |
| CN211578106U (en) | Remote teaching system and platform based on mobile internet | |
| CN208208118U (en) | A kind of synchronous mutual assistance Teaching System | |
| CN106331436A (en) | Cloud program directing system and online audio and video program production method | |
| CN105611237A (en) | Method for simulating five cameras by utilizing double cameras for education recording and broadcasting | |
| CN110599835A (en) | Interactive computer remote education system | |
| CN107093337A (en) | The management system in outdoor scene classroom and preparation method thereof | |
| CN208985412U (en) | Wisdom education physical environment system | |
| CN109035933A (en) | Remote interaction educational method and its system | |
| CN108391077A (en) | A kind of simple Classic Course video automatic shooting record device | |
| CN212256611U (en) | Interactive multimedia teaching equipment network system | |
| CN111325853B (en) | Remote coaching system and method based on augmented reality glasses | |
| CN110012264A (en) | A kind of video handles synthesis system and method in real time | |
| CN110933350A (en) | Electronic cloud mirror recording and broadcasting system, method and device | |
| CN201063761Y (en) | Multifunctional video conference system | |
| CN108831216B (en) | True three-dimensional virtual simulation interaction method and system | |
| CN108961880A (en) | A kind of implementation method contacting classroom | |
| CN205647745U (en) | Virtual hypersystem | |
| CN113259543A (en) | Portable half-width image scratching blackboard |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210813 |
|
| RJ01 | Rejection of invention patent application after publication |