CN109410684B - Real standard system of making a video recording - Google Patents
Real standard system of making a video recording Download PDFInfo
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- CN109410684B CN109410684B CN201811572172.0A CN201811572172A CN109410684B CN 109410684 B CN109410684 B CN 109410684B CN 201811572172 A CN201811572172 A CN 201811572172A CN 109410684 B CN109410684 B CN 109410684B
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- 230000000694 effects Effects 0.000 claims abstract description 46
- 238000012549 training Methods 0.000 claims abstract description 37
- 238000005286 illumination Methods 0.000 claims description 21
- 239000011159 matrix material Substances 0.000 claims description 21
- 238000003384 imaging method Methods 0.000 claims description 8
- 238000003491 array Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 206010034972 Photosensitivity reaction Diseases 0.000 claims description 2
- 230000036211 photosensitivity Effects 0.000 claims description 2
- 230000013016 learning Effects 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 210000003128 head Anatomy 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 239000000571 coke Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008313 sensitization Effects 0.000 description 2
- 206010034960 Photophobia Diseases 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 208000013469 light sensitivity Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- 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
- G09B9/00—Simulators for teaching or training purposes
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Abstract
The invention discloses a camera training system, which relates to the field of training teaching, wherein the system can intuitively simulate the influence of different camera parameters on a shot picture by using cameras with different shooting effects in a camera array, can simulate the influence of different shooting angles on the shot picture by using a camera lifting frame capable of driving the camera array to lift, and can simulate the influence of different lighting effects on the shot picture by using an adjustable light array; the system enables the teacher to conduct practical training teaching on a video learning course, optimizes the teaching mode of video learning, improves the practical operability, pertinence and observability in the teaching process, and is beneficial to optimizing the teaching effect.
Description
Technical Field
The invention relates to the field of practical training teaching, in particular to a camera shooting practical training system.
Background
The image capturing learning course is a complicated course, because the image capturing effect is affected by many factors, such as parameter setting of the camera, external illumination intensity, external light angle, and the like, so that students need to know the influence of the factors on the image capturing effect in the process of the image capturing learning course, and the students can master the ability of capturing pictures with good effect under different conditions. However, most of the current shooting learning mainly uses teaching materials in the forms of characters, patterns, videos and the like, so that the practice of students is poor, the teaching materials are not specific, the teaching intuitiveness is poor, and the teaching effect is not ideal.
Disclosure of Invention
Aiming at the problems and the technical requirements, the inventor provides a shooting training system, which enables teachers to conduct training teaching on shooting learning courses, can intuitively display influences of different factors on shooting effects in a targeted manner, and optimizes teaching modes.
The technical scheme of the invention is as follows:
the camera shooting training system comprises a classroom main body, a control console, a camera array, a camera lifting frame, a driving device, a video matrix, a network hard disk video recorder (NVR) and a display array, wherein the control console, the camera array, the camera lifting frame, the driving device, the video matrix, the network hard disk video recorder (NVR) and the display array are arranged in the classroom main body;
the camera lifting frame is arranged around the live-action site and comprises a longitudinal vertical frame and a transverse bent frame, a sliding rail in the vertical direction is arranged on the longitudinal vertical frame, the transverse bent frame is arranged on the longitudinal vertical frame in a crossing manner and is arranged in the sliding rail, and the driving device is connected with and drives the transverse bent frame to lift in the vertical direction along the sliding rail;
the camera array comprises at least two cameras, the shooting effects of the at least two cameras are different, the cameras are arranged in parallel and fixed on the transverse bent, and the cameras face the real scene and collect video data of the real scene;
each camera in the camera array is respectively connected with a video matrix, the video matrix is connected with NVR, the NVR is connected with a display array, and the display array is used for displaying video data acquired by each camera;
the video matrix and the control panel of the NVR are respectively integrated in a control console, and the control console is also connected with and controls the driving device.
The further technical scheme is that at least one parameter of the field angle, resolution, supported data system, aperture size, focal length effect, photosensitivity type and imaging color of each camera in the camera array is different.
The camera array comprises cameras which are directly arranged on the transverse bent and cameras which are arranged on the transverse bent through a cradle head.
The camera shooting training system further comprises a light array, wherein the light array is arranged around the live-action site and comprises a plurality of illumination light sources, each illumination light source faces the live-action site respectively, and the control console is connected with and independently controls each illumination light source respectively, so that the light array provides corresponding illumination effects for the live-action site.
The further technical scheme is that the side walls of the classroom main body provided with the windows are respectively hung with a window shading curtain which can be opened and closed, the classroom main body is also internally provided with a daily illuminating lamp, the side walls, the bottom surface and the top surface of the classroom main body are respectively painted black, and the console and the camera lifting frame are respectively black in appearance; when shooting training teaching is not performed in the classroom main body, the window shade is opened and/or the daily lighting lamp is opened; when shooting training education is carried out in a classroom main body, the window shade is closed and the daily lighting lamp is closed.
The further technical proposal is that the camera shooting training system also comprises a projector, the projector is hung at the top of the classroom main body and projects pictures towards the side wall of the classroom main body, and the projector is connected with the console.
The camera lifting frame comprises two longitudinal vertical frames which are arranged in parallel and a transverse bent which is arranged on the two longitudinal vertical frames in a crossing mode, wherein sliding rails in the vertical direction are respectively arranged on the two longitudinal vertical frames, and two ends of the transverse bent are respectively arranged in the sliding rails of the two longitudinal vertical frames; the driving device comprises two driving motors, and each driving motor is connected with and drives one end of the transverse bent to lift in the corresponding sliding rail.
The beneficial technical effects of the invention are as follows:
the application discloses practical training system of making a video recording, this system makes the teacher can carry out practical training teaching to the learning course of making a video recording, utilize the camera of different shooting effects in the camera array can simulate the influence of different camera parameters to the picture of shooting directly perceivedly, utilize the camera crane that can drive the camera array and go up and down can simulate the influence of different shooting angles to the picture of shooting, utilize adjustable light array can simulate the influence of different lighting effects to the picture of shooting; the system optimizes the teaching mode of shooting learning, improves the practical operability, pertinence and observability in the teaching process, and is beneficial to optimizing the teaching effect.
Drawings
FIG. 1 is a system block diagram of the camera training system disclosed herein.
FIG. 2 is a circuit diagram of the camera training system disclosed in the present application.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
The application discloses practical training system makes a video recording please refer to the structure diagram of this system shown in fig. 1 and the electrical diagram of this system shown in fig. 2, and this system includes classroom main part and control console, camera array 1, camera crane 2, drive arrangement, video matrix, NVR (Network Video Recorder, network hard disk video recorder) and the display array of setting in the classroom main part. The classroom main body is provided with a real scene which is an area with any area size and comprises a preset area, and static and/or moving entity elements are accommodated in the real scene, wherein the entity elements can be entities such as people, objects and the like, can be in a static state or in a movement state, such as walking of people, running around the scene, riding, and the like, and can be in a model trolley operation and the like.
The camera array 1 includes at least two cameras 11, and the capturing effects of the at least two cameras 11 are different from each other, specifically, at least one parameter of the field angle, the capturing pixels, the supported data format, the aperture size, the focal length effect, the sensitivity, the photosensitive type, and the imaging color of the at least two cameras 11 in the camera array 1 is different. Wherein, the field angle of the camera comprises the categories of long focus, wide angle, fish eyes and the like; the resolution of the camera can be, for example, 360P, 720P, 1080P and other values; the data system supported by the camera mainly comprises a digital system and an analog system; the aperture size of the camera can be f/1.4, f/2.8, f/4, f/11, f/16, f/22 and the like; the focal length effect of the camera comprises fixed focus and zooming; the sensitivity of the camera can be, for example, values of ISO100, ISO200, ISO400, ISO800 and the like; the sensitization type of the camera mainly comprises visible light, infrared ray and other categories; the imaging colors of the camera include color, black and white, and the like. The shooting pixels, supported data system, sensitivity, type of sensitization and imaging color are determined by the characteristics of the camera itself, and the angle of view, aperture size and focal length effect are determined by the characteristics of the lens equipped with the camera.
The number of cameras 11 included in the camera array 1 and the parameter configuration of each camera 11 are customized according to actual needs. In practical application, in order to facilitate the comparison and study of the influence of each element on the shooting effect, different combinations can be carried out according to the course requirement of shooting practical training teaching and the following elements: long focus, wide angle, fish eyes; (2), resolution factor: high definition and standard definition; (3), data system elements: digital, analog; (4), aperture element: the aperture sizes are different; (5), a sensitivity element: the light sensitivity is different; (6), focal length element: fixed focus and zooming; (7), color element: color, black and white; (8), low-illuminance element: and (3) infrared rays.
Besides different camera parameter configurations, at least two cameras 11 in the camera array 1 can also have differences in connection modes with the transverse bent, one part of the cameras in the camera array 1 are directly arranged on the transverse bent, the other part of the cameras are arranged on the transverse bent through the cradle head, and the two types can respectively simulate the application of the cameras in different scenes. When the camera is applied to occasions such as squares, the camera is required to perform omnibearing monitoring, so that the camera is required to perform rotation monitoring, and the camera installed on the transverse bent through the cradle head can simulate the application in the scene. When the camera is applied to occasions such as hallways, doorways and the like, only the camera is required to perform fixed-point monitoring, rotation is not required, and therefore the camera directly mounted on the transverse bent can simulate the application in the scene.
The camera array 1 sets up on camera crane 2, and specifically, camera crane 2 in this application includes vertical grudging post and horizontal bent, is provided with the slide rail of vertical direction on the vertical grudging post, and horizontal bent is spanned on vertical grudging post, and horizontal bent is arranged in the slide rail. Each camera 11 is arranged in parallel and fixed on the transverse bent, and each camera faces the live-action site and collects video data of the live-action site. The driving device is connected with and drives the transverse bent to lift along the sliding rail in the vertical direction, and the driving device can adopt a screw rod driving device for driving a screw rod by a motor. Because need bear many cameras on the horizontal bent in this application, its quantity perhaps has 20 more even, therefore camera crane 2 in this application include two parallel arrangement's vertical grudging post and stride the horizontal bent of establishing on two vertical grudging posts, be provided with the slide rail of vertical direction on two vertical grudging posts respectively, in the slide rail of two vertical grudging posts is placed respectively at the both ends of horizontal bent, then the drive arrangement in this application actually includes two driving motor, every driving motor connects respectively and drives the one end of horizontal bent and go up and down in corresponding slide rail. The structure driven by the double motors can enable the two ends of the transverse bent to be driven by the driving motors to actively lift, so that driving force and driving stability are guaranteed.
Each camera 11 in the camera array 1 is respectively connected with a video matrix, and one m×n video matrix can simultaneously support M paths of image input and N paths of image output, wherein each path of image input of the video matrix is video data collected by each camera in the camera array, the video matrix is existing commercial equipment, and a proper model can be purchased according to the required number of data paths. The video matrix is connected with NVR, and NVR connects display array, and the video matrix is transmitted to NVR after the video data processing distribution that each camera gathered in the camera array, and NVR stores video data and shows video data send display array, and display array in this application includes at least one display screen, and this application adopts LCD display screen. Both the video matrix and the NVR are controlled by respective control panels, which are inherent operational attributes of the video matrix and the NVR, and are not developed in detail herein. The control panel of video matrix and NVR is integrated in the control panel in this application respectively, and the control panel can realize following function through the control panel of internal integration: 1. adjusting parameters such as a field angle, a focal length, an aperture and the like of the camera; 2. video image recording and picture snapshot of any video camera are realized; 3. the rotation control of the cradle head connected with the camera is realized; 4. controlling a display mode of the display array, for example, controlling to display video data acquired by a plurality of cameras on one display screen by adopting a split picture; for example, the video data collected by one camera is controlled to be displayed on a display screen in a full screen mode, and the video data collected by different cameras are displayed through key switching; for another example, the display array includes a plurality of display screens, and controls to display the video data collected by each camera on each display screen, and each display screen adopts a full-screen display mode, and so on.
Optionally, the camera shooting training system further comprises a light array 3, wherein the light array is arranged around the real scene, the light array 3 comprises a plurality of illumination light sources 30, and each illumination light source 30 faces towards the real scene respectively. Specifically, the light array 3 in the present application may include a front light array 31 disposed on the same side of the camera array 1 with respect to the real scene and oriented in the same direction as the camera 11, a back light array 32 disposed on the other side of the camera array 1 with respect to the real scene and disposed opposite to the camera 11, and side light arrays 33 disposed on both sides of the real scene.
Besides the control panel integrated with the video matrix and the NVR, the control panel is also provided for teachers to manually control, and particularly, the control panel is connected with and controls the driving device, and the driving device can be controlled to rotate forwards and reversely through operating the control panel, so that the transverse bent frame is driven to lift. The control console is also respectively connected with and independently controls each illumination light source 30, so that part of the illumination light sources 30 can be controlled to be lightened through operating the control panel, and when the lighting quantity of the illumination light sources 30 in the lamplight array 3 is different and the positions of the lightened illumination light sources 30 are different, the lamplight array 3 provides light rays with different brightness and different illumination angles for the real scene, so that different illumination effects are provided for the real scene.
Optionally, this practical training system of making a video recording still includes the projecting apparatus, and the projecting apparatus hangs the top of establishing in the classroom main part and carries out the picture projection towards the side wall in classroom main part, projecting apparatus electric connection control cabinet, when utilizing the system of this application to make a video recording practical training teaching, can be in step with the projection of teaching courseware to the side wall in classroom main part.
Fig. 1 shows a top view of a conventional layout of the system disclosed herein, with a console disposed in a front region of a classroom body, and typically implemented as a lecture table for a teacher who can manually control the various components at the console while teaching. The live-action scene is located the rear region of classroom main part, and light array 3 sets up around the live-action scene, and camera array 1 and camera crane 2 set up between control cabinet and live-action scene and the camera just is to the live-action scene, and the projector hangs on the furred ceiling of classroom main part and projects to classroom main part rear wall, namely on the wall that camera array 1 is opposite, the projector is not shown in fig. 1.
The side wall of the classroom main body is always provided with the window, normal lighting of the whole classroom main body is guaranteed, the side wall provided with the window is hung with the openable window shade, the classroom main body is internally provided with the daily lighting lamp, meanwhile, the side wall, the bottom surface and the top surface of the classroom main body are painted black, and the console and the camera lifting frame are also black in appearance, so that the classroom main body is compatible with the functions of ordinary teaching and shooting training teaching at the same time, when shooting training teaching is not needed in the classroom main body, only ordinary teaching is needed, the window shade can be opened and/or the daily lighting lamp is opened, and lighting needed by ordinary teaching is provided; when the training teaching needs to be carried out in the classroom main body, the light shielding curtain and the daily lighting lamp are closed, the lighting array 3 is turned on to provide illumination, a studio-like effect can be created in the classroom main body, the lighting array 3 is used for carrying out illumination simulation, the influence of external light is avoided, a good illumination simulation environment is provided for the training teaching, and black components in the classroom main body can reduce light interference generated on the surfaces of the components, so that the shooting illumination simulation is carried out better.
The application of the imaging training system for teachers to carry out imaging training by using the imaging training system disclosed by the application is as follows:
1. the pictures shot by the cameras with different shooting effects can be transversely compared. Specifically, the teacher combines the cameras according to the course needs of shooting training teaching and different factors, sets corresponding lighting effects and positions of the transverse bent through the control console, then controls the cameras with different shooting effects to simultaneously acquire video data of a live-action field, and simultaneously displays the video data acquired by the cameras on the display array, so that differences of shooting effects brought by different camera parameters can be intuitively displayed on the same live-action field, the same lighting effects and the same shooting angles.
For example, the element combination case of 4 cameras in one example may be as follows:
| reference numerals | Angle of view element | Color element | Aperture element |
| 1 | Long coke | Color light | f/1.4 |
| 2 | Wide angle of view | Color light | f/1.4 |
| 3 | Long coke | Black and white | f/1.4 |
| 4 | Long coke | Black and white | f/22 |
The influence of the angle of view element on the photographing effect can be learned by comparing the images photographed by reference numerals 1 and 2, the influence of the color element on the photographing effect can be learned by comparing the images photographed by reference numerals 1 and 3, and the influence of the aperture element on the photographing effect can be learned by comparing the images photographed by reference numerals 3 and 4.
2. The shooting pictures under different lighting effects can be transversely compared. Specifically, a teacher sets corresponding lighting effects and transverse bent positions through a control console, controls a camera to collect video data of a live-action site, then changes the lighting of a lighting source through the control console to enable a lighting array to provide different lighting effects, collects the video data of the live-action site again by using the same camera, and then displays the video data collected twice by the same camera on a display array, so that differences of shooting effects brought by different lighting effects can be intuitively displayed under the conditions that the same camera is on the same live-action site and at the same shooting angle.
3. The pictures shot at different shooting angles can be transversely compared. Specifically, a teacher sets corresponding lighting effects and transverse bent positions through a control console, controls a camera to collect video data of a live-action site, then controls a driving device to drive a transverse bent to lift through the control console, so that a camera array is located at different shooting heights, the video data of the live-action site are collected again by the same camera, then the video data collected twice by the same camera are displayed on a display array, and at the moment, differences of shooting effects brought by differences of shooting heights (namely shooting angles) can be visually displayed under the condition that the same camera is located at the same live-action site and the same lighting effects.
What has been described above is only a preferred embodiment of the present application, and the present invention is not limited to the above examples. It is to be understood that other modifications and variations which may be directly derived or contemplated by those skilled in the art without departing from the spirit and concepts of the present invention are deemed to be included within the scope of the present invention.
Claims (3)
1. The camera shooting training system is characterized by comprising a classroom main body, a control console, a camera array, a camera lifting frame, a driving device, a video matrix, a network hard disk video recorder NVR and a display array, wherein the control console, the camera array, the camera lifting frame, the driving device, the video matrix, the network hard disk video recorder NVR and the display array are arranged in the classroom main body, a real scene containing a preset area is arranged in the classroom main body, and static and/or moving entity elements are contained in the real scene;
the camera lifting frame is arranged around the live-action site and comprises a longitudinal vertical frame and a transverse bent frame, a sliding rail in the vertical direction is arranged on the longitudinal vertical frame, the transverse bent frame is arranged on the longitudinal vertical frame in a crossing manner and is arranged in the sliding rail, and the driving device is connected with and drives the transverse bent frame to lift in the vertical direction along the sliding rail;
the camera array comprises at least two cameras, the shooting effects of the at least two cameras are different, the cameras are arranged in parallel and fixed on the transverse bent, and the cameras face the live-action site and acquire video data of the live-action site;
each camera in the camera array is respectively connected with the video matrix, the video matrix is connected with the NVR, the NVR is connected with the display array, and the display array is used for displaying video data acquired by each camera;
the video matrix and the control panel of the NVR are respectively integrated in the control console, and the control console is also connected with and controls the driving device;
at least one parameter of the field angle, resolution, supported data system, aperture size, focal length effect, photosensitivity type and imaging color of each camera in the camera array is different;
the camera array comprises cameras which are directly arranged on the transverse bent frame and cameras which are arranged on the transverse bent frame through a cradle head;
the camera shooting training system further comprises a light array, wherein the light array is arranged around the real scene, the light array comprises a plurality of illumination light sources, and each illumination light source faces towards the real scene respectively; the lamplight array comprises a front lamplight array, a backlight array and side lamplight arrays, wherein the front lamplight array is arranged on the same side of the camera array relative to the real scene and is in the same direction with the direction of a camera, the backlight array is arranged on the other side of the camera array relative to the real scene and is opposite to the camera, and the side lamplight arrays are arranged on two sides of the real scene; the control console is respectively connected with and independently controls each illumination light source, so that the lamplight array provides corresponding illumination effects for the live-action sites;
the side walls of the classroom main body, which are provided with windows, are respectively hung with a window shade which can be opened and closed, the classroom main body is internally provided with a daily illuminating lamp, the side walls, the bottom surface and the top surface of the classroom main body are respectively painted black, and the console and the camera lifting frame are respectively in black appearance; when shooting training education is not performed in the classroom main body, the window shade is opened and/or the daily lighting lamp is opened; when shooting training education is carried out in the classroom main body, the window shade is closed and the daily lighting lamp is closed;
the application of the camera shooting training system for camera shooting training comprises the following steps: according to the different element combination cameras, corresponding lighting effects and the positions of the transverse bent are set through a control console, the cameras with different shooting effects are controlled to simultaneously acquire video data of a live-action field, the video data acquired by the cameras are simultaneously displayed on the display array, the pictures shot by the cameras with different shooting effects are transversely compared, and differences of shooting effects brought by different camera parameters under the conditions of the same live-action field, the same lighting effect and the same shooting angle are displayed.
2. The camera training system of claim 1, further comprising a projector suspended at a top of the classroom body and projecting a picture toward a side wall of the classroom body, the projector being connected to the console.
3. The camera training system according to claim 1, wherein the camera lifting frame comprises two longitudinal vertical frames arranged in parallel and a transverse bent straddling the two longitudinal vertical frames, the two longitudinal vertical frames are respectively provided with a sliding rail in the vertical direction, and two ends of the transverse bent are respectively arranged in the sliding rails of the two longitudinal vertical frames; the driving device comprises two driving motors, and each driving motor is connected with and drives one end of the transverse bent to lift in the corresponding sliding rail.
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