CN217821213U - Lighting system applied to electronic semi-transparent green curtain image scratching and course recording system - Google Patents

Lighting system applied to electronic semi-transparent green curtain image scratching and course recording system Download PDF

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Publication number
CN217821213U
CN217821213U CN202221920601.0U CN202221920601U CN217821213U CN 217821213 U CN217821213 U CN 217821213U CN 202221920601 U CN202221920601 U CN 202221920601U CN 217821213 U CN217821213 U CN 217821213U
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guide rail
picture
longitudinal
electronic
green
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栾建莛
张晓龙
丁贵
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Beijing Youah Network Education Technology Co ltd
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Beijing Youah Network Education Technology Co ltd
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Abstract

The utility model discloses a lighting system applied to an electronic semitransparent green curtain image matting and lesson recording system, wherein a transverse guide rail in the lighting system is fixed on a ceiling, a transverse slider is arranged on the transverse guide rail, the transverse slider can slide on the transverse guide rail, a longitudinal guide rail is fixed on the transverse slider, a longitudinal slider is arranged on the longitudinal guide rail, and the longitudinal slider can slide on the longitudinal guide rail; the photography lamp is fixed on the longitudinal sliding blocks, two longitudinal sliding blocks are installed on each longitudinal guide rail, the photography lamp is fixed on each longitudinal sliding block, one longitudinal guide rail corresponds to the two transverse guide rails, and the longitudinal guide rails are fixedly connected with the transverse sliding blocks on the two corresponding transverse guide rails. The transverse position of photography luminaire can be adjusted to lighting system, can also adjust the vertical position of photography luminaire, and the photography luminaire can be adjusted suitable position and make things convenient for the photography, is fit for the translucent green curtain of electron and scratches the shooting demand of taking a lesson system.

Description

Lighting system applied to electronic semi-transparent green curtain image scratching and course recording system
Technical Field
The utility model belongs to the technical field of electronic display, concretely relates to be applied to translucent green curtain of electron and scratch like a picture and record light system of class system.
Background
With the further development of internet education, network recorded broadcast courses become mainstream products for new times of learning.
At present, the network recording and broadcasting courses are mainly recorded by a classroom, and a camera is mainly adopted to directly shoot an electronic screen to form a mode of recording files. This type of recording suffers from the following drawbacks: when a display screen is photographed by a camera, color distortion and lens distortion often exist, which cause color change, even unclear visibility, and curve distortion of a table line in a course PPT (or displayed on an electronic display screen after photographing). And because the tolerance of the photosensitive element of the camera is not ideal, the current course content often has bright colors, such as white or white overexposure, and the like, so that the expression of the course content is limited.
The key of the problem lies in that the existing lighting system can not realize good light matching, and the course PPT content of original taste and flavor is difficult to shoot.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applied to the lighting system of translucent green curtain image scratching of electron and record class system, can adjust the position of photography luminaire, supplementary photography that can be better.
In order to achieve the above object, the utility model provides a be applied to translucent green curtain of electron and scratch like a video recording light system of class system, light system includes:
the transverse guide rail is fixed on the ceiling;
the transverse sliding block is arranged on the transverse guide rail and can slide on the transverse guide rail;
the longitudinal guide rail is fixed on the transverse sliding block;
the longitudinal sliding block is arranged on the longitudinal guide rail and can slide on the longitudinal guide rail;
the photographic lamp is fixed on the longitudinal sliding block.
Furthermore, the electronic semi-transparent green screen image matting and lesson recording system realizes the synthesis, output, display and monitoring of a PPT demonstration picture and a teacher picture through a camera picture synthesizer and an electronic green screen synthesizer and stores the PPT demonstration picture and the teacher picture as a video file; the electronic green screen synthesizer receives the PPT picture signal, generates a semitransparent green screen in the electronic green screen synthesizer, covers the semitransparent green screen on the PPT picture, and forms a new PPT picture and loads a green screen synthetic picture of the semitransparent green screen; the green screen synthesized picture is output to a liquid crystal display large screen behind the lecturer through the electronic green screen synthesizer for display, and the lecturer can see the PPT picture through the semitransparent green screen by human eyes.
Preferably, lighting system adjusts the photography luminaire through setting up the removal slide rail for the photography luminaire can be around the front and back left and right sides adjustment position, with the light filling angle of the camera of adjustment electron translucent green curtain image matting record class system.
Furthermore, two longitudinal sliding blocks are mounted on each longitudinal guide rail, and a photographing lamp is fixed on each longitudinal sliding block.
Furthermore, one longitudinal guide rail corresponds to two transverse guide rails, and the longitudinal guide rail is fixedly connected with the transverse sliding blocks on the two corresponding transverse guide rails.
Preferably, two longitudinal guide rails are arranged, and the two longitudinal guide rails are arranged on the left side and the right side of the liquid crystal display large screen.
Compared with the prior art, the utility model discloses be applied to the translucent green curtain of electron and scratch the image and record class lighting system's of system beneficial effect is:
(1) The transverse position and the longitudinal position of the photographic lamp can be adjusted, and the photographic lamp can be adjusted to a proper position to facilitate photographing and meet various photographing requirements;
(2) The longitudinal guide rail is fixedly connected with the transverse sliding blocks on the two corresponding transverse guide rails, so that the connection stability of the longitudinal guide rail can be improved.
Drawings
Fig. 1 is the utility model relates to a be applied to translucent green curtain of electron and scratch the image and record class lighting system's structural schematic.
Fig. 2 is a schematic view of the image synthesis of the electronic semitransparent green curtain image matting and lesson recording system of the utility model.
Reference numbers in the figures: 1. a transverse guide rail; 2. a photographic light; 3. a longitudinal guide rail; 4. a liquid crystal display large screen; 5. a longitudinal slide block; 6. and a transverse sliding block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1, the utility model provides a be applied to translucent green curtain of electron and scratch like image and record the lighting system of class system, be applied to translucent green curtain of electron and scratch like image and record the lighting system of class system and include:
the transverse guide rail 1 is fixed on a ceiling;
the transverse sliding block 6 is arranged on the transverse guide rail 1, and the transverse sliding block 6 can slide on the transverse guide rail 1;
the longitudinal guide rail 3 is fixed on the transverse sliding block 6;
the longitudinal sliding block 5, the longitudinal sliding block 5 is installed on longitudinal rail 3, the longitudinal sliding block 5 can slip on longitudinal rail 3;
the photographic lamp 2, the photographic lamp 2 is fixed on the vertical slide block 5.
The transverse sliding block 6 can transversely slide relative to the transverse guide rail 1, so that the transverse position of the photographic lamp 2 can be adjusted, the longitudinal sliding block 5 can longitudinally adjust the longitudinal position of the longitudinal guide rail 3, so that the longitudinal position of the photographic lamp 2 is adjusted, the photographic lamp 2 is conveniently adjusted to a proper position to conveniently photograph, and the photographic lamp is suitable for various photographing requirements.
Every longitudinal rail 3 all installs two longitudinal slide blocks 5 on, all is fixed with photography luminaire 2 on every longitudinal slide block 5 to can adjust the position of two photography luminaires 2 simultaneously.
One longitudinal guide rail 3 corresponds to the two transverse guide rails 1, and the longitudinal guide rail 3 is fixedly connected with the transverse sliding blocks 6 on the two corresponding transverse guide rails 1, so that the connection stability of the longitudinal guide rail 3 can be improved.
The two longitudinal guide rails 3 are arranged on the left side and the right side of the liquid crystal display large screen 4, the positions of the photographic lamps 2 can be adjusted from the two sides, and the auxiliary photography is better.
Fig. 2 is the utility model discloses the picture synthesis schematic diagram of making a video recording in the translucent green curtain image matting of electron of using record class system. The utility model discloses be applied to the translucent green curtain of electron and scratch like image and record class system, the translucent green curtain of electron is scratched like image and is recorded class system realizes that PPT demonstrates picture and the synthesis of lecturer's picture, output, demonstration are kept and are preserved as the video file through the picture synthesizer of making a video recording and the green curtain synthesizer of electron. Specifically, the electronic green screen synthesizer receives the PPT picture signal, generates a semitransparent green screen inside the electronic green screen synthesizer, and covers the semitransparent green screen on the PPT picture to form a new green screen synthesized picture with the semitransparent green screen loaded on the PPT picture. The synthesized picture of the green screen is output to the LCD large screen behind the lecturer through the electronic green screen synthesizer, and the lecturer can see the PPT picture through the semitransparent green screen by human eyes, so that the problems that the content is completely blocked by the physical green screen, the lecturer cannot see the PPT and cannot write on a board are solved.
In addition, in order to obtain a final composite picture, the camera shooting picture synthesizer receives picture input shot by the camera, the camera shooting picture synthesizer is set to be a matting effect, and other areas of the picture shot by the camera except the instructor body are transparent; and after receiving the input of the PPT picture, synthesizing the scratched lecturer picture into the PPT picture, and finally synthesizing into a complete lecture video.
Further, the utility model discloses the translucent green curtain of electron that uses is scratched and is recorded class system includes the radio system of making a video recording, LCD large screen and touch synchronization system, lecture PPT system, recorded broadcast control system and the picture synthesis system of making a video recording.
In the radio system of making a video recording, the camera obtains the lecturer picture through the shooting, and the lecturer wears sound signal transmitter, sends out sound signal through signal transmitter during the lecture and is received by sound signal receiver, and signal transmitter lug connection camera forms the integrative signal of sound picture in camera inside, transmits the picture synthesizer of making a video recording through the cable, supplies the synthesizer to call.
In the liquid crystal display large screen and touch synchronization system, an infrared touch frame is arranged at the edge of a picture of the liquid crystal display large screen, and an infrared signal network is formed on the surface of the whole liquid crystal display large screen. The touch signal is linked with a PPT display computer through a control line, and the PPT display computer is synthesized to a PPT demonstration interface after obtaining a touch scribing or writing signal and finally displayed as a PPT picture with a board for writing. The PPT demonstration picture of the PPT demonstration computer is output to the electronic green screen synthesizer through a cable for the synthesizer to call. After the synthesizer calls the PPT picture, a transparent green layer is added on the upper layer and synthesized into a picture, and the picture is output to the liquid crystal display large screen through a cable for display, so that the green screen effect is realized on the large screen.
In the lecture PPT system, a lecturer holds a PPT page turning signal transmitter in hand, and operates PPT page turning during lecture, wherein a page turning signal is obtained by a PPT page turning signal receiver connected to a PPT display computer. The PPT page turning signal is transmitted to the PPT display computer, and the PPT display computer obtains the page turning signal of the lecturer and performs page turning; in addition, the touch signal is transmitted to the PPT display computer by the infrared touch frame. The PPT display computer can be turned over and written, so that a PPT picture which can be turned over and written can be displayed on a PPT display computer monitor for effect preview. The PPT display computer picture is transmitted to the electronic green screen synthesizer through a cable, and simultaneously, a copy is transmitted to the camera picture synthesizer. The two synthesizers call PPT pictures and are used synthetically.
In the recording and broadcasting control system, a recording and broadcasting control computer is respectively connected with an electronic green screen synthesizer, a camera shooting picture synthesizer and a video storage server through three control lines, and is provided with a recording and broadcasting control computer monitor for facilitating the monitoring operation. The recording and playing control computer controls the green layer configuration of the electronic green screen synthesizer, synthesizes green screen pictures and outputs the green screen pictures to the liquid crystal display large screen, controls the portrait layer matting configuration of the shooting picture synthesizer, synthesizes final pictures and outputs the final pictures to the video storage server. The video file storage path, format and the like of the video storage server are also controlled and set by the recording and playing control computer. The recording and broadcasting control computer is the total configuration and total management computer of the whole system, is the only operation entrance for managing the operation of the whole system and is the core function.
In the camera composition diagram shown in fig. 2, the green layer may be set to an opaque coverage of 70% -95%. If the coverage of green is set to be 100%, human eyes cannot penetrate through the transparent green to see the PPT, and if the coverage of green is set to be less than 70%, the PPT picture under the transparent green layer cannot be well removed after a camera shoots signals, so that the image matting effect is poor. It is therefore suitable to provide a green layer with an opaque coverage of 70-95%. Through increasing the green curtain synthesizer of electron in this patent, can be so that the big screen of liquid crystal display who originally uses as the blackboard on the basis that remains original function, increased green curtain function. The problem of traditional green curtain shelter from blackboard content completely, mr can't write the blackboard book is solved.
In the camera shooting picture synthesis system, a camera shooting picture synthesizer obtains picture sound signals shot by a camera and obtains PPT signals transmitted by a PPT display computer at the same time; the shot picture signals are provided with a non-matting effect, the regions except the body of the instructor are transparent, the signals after matting are covered on the PPT picture signals, the two signals are combined into a picture through a camera picture combiner, and the picture is output to a video storage server through a cable, so that the video file is a complete combined picture and is stored as a file in the storage server.
Furthermore, an LED adjustable photographic lamp in a lighting system used in combination with the electronic semi-transparent green curtain image matting and recording system has the function of adjusting the brightness and the color temperature; in addition, the photographic lamp is adjusted by the aid of the movable sliding rails, so that the position of the photographic lamp can be adjusted front and back, left and right, the light supplementing angle is adjusted conveniently, and the device is more flexible and applicable than a lamp with a fixed position. The movable sliding rails in the lighting system are two groups, each group is provided with a prince rail and two I-shaped rails, and the prince rail and the I-shaped rails are connected through pulleys. The I-shaped rail is fixed on the ceiling, and the I-shaped rail is fixedly connected with the I-shaped area on the prince rail through a pulley. The pulley slides left and right, the sliding drives the prince track to slide left and right, and the lower photography lamp slides left and right. The lower photography lamp is connected with the I-shaped area on the upper part of the prince track through a pulley, and the photography lamp can slide back and forth under the prince track. The positions of the four photographic lamps can be changed front and back, left and right, the photographic angle can be adjusted conveniently, and the multifunctional camera is suitable for various shooting requirements.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A lighting system applied to an electronic semi-transparent green curtain image matting and lesson recording system is characterized in that the lighting system comprises:
the transverse guide rail is fixed on the ceiling;
the transverse sliding block is arranged on the transverse guide rail and can slide on the transverse guide rail;
the longitudinal guide rail is fixed on the transverse sliding block;
the longitudinal sliding block is arranged on the longitudinal guide rail and can slide on the longitudinal guide rail;
the photographic lamp is fixed on the longitudinal sliding block.
2. The lighting system applied to the electronic translucent green curtain image matting and lesson recording system as claimed in claim 1, wherein the electronic translucent green curtain image matting and lesson recording system realizes the synthesis, output, display and monitoring of a PPT demonstration picture and a teacher picture through a camera picture synthesizer and an electronic green curtain synthesizer and stores the PPT demonstration picture and the teacher picture as a video file; the electronic green screen synthesizer receives the PPT picture signal, generates a semitransparent green screen in the electronic green screen synthesizer, covers the PPT picture with the semitransparent green screen, and forms a new PPT picture and loads a green screen synthesized picture of the semitransparent green screen; the green screen synthesized picture is output to a liquid crystal display large screen behind the lecturer through the electronic green screen synthesizer for displaying, and the lecturer can see the PPT picture through the semitransparent green screen by human eyes.
3. The lighting system applied to the electronic translucent green curtain image matting and lesson recording system as claimed in claim 1, wherein the lighting system adjusts the photography lamp by setting a movable slide rail, so that the photography lamp can be adjusted in position from front to back, left to right, to adjust the light supplement angle of the camera in the electronic translucent green curtain image matting and lesson recording system.
4. The lighting system applied to the electronic translucent green curtain image matting and lesson recording system as claimed in claim 1, wherein two longitudinal sliders are mounted on each longitudinal guide rail, and a photography lamp is fixed on each longitudinal slider.
5. The lighting system applied to the electronic translucent green curtain image matting and lesson recording system as claimed in claim 4, wherein one longitudinal guide rail corresponds to two transverse guide rails, and the longitudinal guide rail is fixedly connected with the transverse slide blocks on the two corresponding transverse guide rails.
6. The lighting system applied to the electronic translucent green curtain image matting and lesson recording system as claimed in claim 5, wherein there are two longitudinal guide rails, and the two longitudinal guide rails are arranged at the left and right sides of the large liquid crystal display screen.
CN202221920601.0U 2022-07-25 2022-07-25 Lighting system applied to electronic semi-transparent green curtain image scratching and course recording system Active CN217821213U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221920601.0U CN217821213U (en) 2022-07-25 2022-07-25 Lighting system applied to electronic semi-transparent green curtain image scratching and course recording system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221920601.0U CN217821213U (en) 2022-07-25 2022-07-25 Lighting system applied to electronic semi-transparent green curtain image scratching and course recording system

Publications (1)

Publication Number Publication Date
CN217821213U true CN217821213U (en) 2022-11-15

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Country Status (1)

Country Link
CN (1) CN217821213U (en)

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