CN113014756A - Hidden camera shooting mechanism driving system - Google Patents
Hidden camera shooting mechanism driving system Download PDFInfo
- Publication number
- CN113014756A CN113014756A CN202110143452.5A CN202110143452A CN113014756A CN 113014756 A CN113014756 A CN 113014756A CN 202110143452 A CN202110143452 A CN 202110143452A CN 113014756 A CN113014756 A CN 113014756A
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- China
- Prior art keywords
- annular
- snapshot
- image data
- auditorium
- chair
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
- A63J25/00—Equipment specially adapted for cinemas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
Abstract
The invention relates to a hidden camera shooting mechanism driving system, comprising: the circular display screen is composed of a plurality of display units which are spliced into a circle and arranged on the top of the annular auditorium; the display buffer memories are respectively connected with the display units and are used for respectively buffering image data to be displayed by the display units; the central camera shooting structure comprises a data acquisition unit, a time acquisition unit, a snapshot triggering unit, a snapshot execution unit and a data output unit, wherein the snapshot execution unit is arranged right above the display units at the central positions of a plurality of display units of a circular display screen, and the snapshot visual field of the snapshot execution unit covers the display areas of the display units at the central positions. The hidden camera shooting mechanism driving system is compact in structure and stable in operation. Due to the adoption of a shielding type installation mode and a targeted identification mechanism, the chair body can avoid meaningless misoperation while fully utilizing the existing hardware resources.
Description
Technical Field
The invention relates to the field of camera shooting mechanisms, in particular to a hidden camera shooting mechanism driving system.
Background
The camera shooting mechanism generally has the basic functions of video shooting/transmission, static image capture and the like, and processes and converts images into digital signals which can be identified by a computer by a photosensitive component circuit and a control component in a camera after the images are collected by a lens, and then the digital signals are input into the computer by a parallel port or a USB connection and then are restored by software.
The camera resolution is a parameter used to measure how much data is in the bitmap image, and is usually expressed as dpi (dot per inch). In brief, the resolution of the imaging means refers to the ability of the imaging means to analyze the image, i.e. the number of pixels of the image sensor of the imaging means. The highest resolution refers to the capability of the camera to resolve the image at the highest level, i.e. the highest number of pixels of the camera. The resolution of the currently available 30 ten thousand pixel CMOS devices is 640 × 480, and the resolution of 50 ten thousand pixel CMOS devices is 800 × 600. Two numbers of resolution represent the units of points the picture occupies in length and width, and the aspect ratio of a digital picture is typically 4: 3. in practical applications, if the camera mechanism is used for web chat or video conferencing, the higher the resolution, the larger the required network bandwidth.
At present, the circular screen of overhead formula helps expanding spectator's field of vision, promotes film broadcast effect, and circular screen need be with the seat structure of originally perpendicular setting when the broadcast tilt up in order to guarantee spectator's field of vision cover circular screen, however in actual operation, there is not spectator on some seats, and it is totally unnecessary to tilt up all seats in unison at this moment.
Disclosure of Invention
In order to solve the technical problems in the related field, the invention provides a hidden camera mechanism driving system which can fully utilize the existing hardware resources, identify the vacant chair below the overhead circular screen, control the chair body with the audience to be lifted up so as to facilitate the audience to watch the overhead circular screen, and keep the postures of other vacant chairs unchanged, thereby realizing the targeted chair body control.
For this reason, the present invention needs to have at least the following important points:
(1) a hidden camera shooting mechanism is arranged at the central position of the overhead circular screen, and the snapshot time of the camera shooting mechanism is determined according to the play data at the central position, so that the existing hardware resources are fully utilized, and the integrity of a field structure is kept;
(2) the vacant seats on the annular auditorium are identified so as to carry out the operation of keeping the posture of the chair body unchanged on the corresponding vacant seats in the annular auditorium and carry out the operation of lifting up other entity chair bodies, thereby avoiding the malfunction of the vacant seats and saving the power resources on site.
According to an aspect of the present invention, there is provided a concealed image pickup mechanism driving system including:
the circular display screen is composed of a plurality of display units which are spliced into a circle and arranged on the top of the annular auditorium;
wherein, the annular auditorium is composed of a plurality of chair bodies in a single-row annular layout.
The hidden camera shooting mechanism driving system is compact in structure and stable in operation. Due to the adoption of a shielding type installation mode and a targeted identification mechanism, the chair body can avoid meaningless misoperation while fully utilizing the existing hardware resources.
Detailed Description
The embodiment of the concealed image pickup mechanism driving system of the present invention will be described in detail below.
The curtain is a large piece of cloth, thick cloth, velvet and the like hung on a stage and used for performing a show or showing a movie. The curtain hung behind the stage is called a sky curtain, and the curtains hung at both sides of the stage are called side curtains. Called as a main curtain or a heavy curtain in front of the stage.
A projection screen, a screen dedicated to projection, is one of the most commonly used products in projector peripheral equipment. If the projection screen is properly matched with the projector, a high-quality projection effect can be obtained. Projection screens can be generally classified into a reflective type and a transmissive type in terms of functions; reflective for front projection and transmissive for rear projection; the positive projection screen is divided into a plane screen and an arc screen; and may be classified into a glass curtain, a metal curtain, an embossed plastic curtain, etc. in terms of texture. Generally, the picture effect of the hard curtain is better than that of the soft curtain.
The large screen has the forms of lifting, split type, lifting split type, cascade type, butterfly screen and the like. The lifting curtain can move up and down; the split type large curtain can be horizontally opened and closed; the lifting of the split type large curtain can complete the lifting of the curtain and the split type two-dimensional space motion at the same time; the cascade type large curtain is controlled by a plurality of motors, each pulling motor controls one wire rope pulling point, the wire rope vertically pulls the curtain, and the curtain is contracted in a laminated manner, so the curtain is called as 'cascade type'; the butterfly curtain can promote, has both had the function of general big curtain, also can be according to the scenario needs, becomes multiple picture shape such as butterfly, wave, petal shape with big curtain pull.
Currently, passively displayed screens, such as overhead circular screens, can also be replaced with actively displayed screens. The circular screen of top formula helps expanding spectator's field of vision, promotes film broadcast effect, and circular screen need be with the seat structure of originally perpendicular setting up when the broadcast to lift up in order to guarantee that spectator's field of vision covers circular screen, however in actual operation, there is not spectator on some seats, and it is totally unnecessary to lift up all seats in unison at this moment.
In order to overcome the defects, the invention builds a hidden camera shooting mechanism driving system, and can effectively solve the corresponding technical problem.
The concealed camera driving system according to the embodiment of the present invention includes:
the circular display screen is composed of a plurality of display units which are spliced into a circle and arranged on the top of the annular auditorium;
wherein, the annular auditorium is composed of a plurality of chair bodies in a single-row annular layout.
Next, a detailed description will be given of a specific configuration of the concealed image pickup mechanism driving system according to the present invention.
The concealed camera driving system may further include:
and the display buffers are respectively connected with the display units and are used for respectively buffering the image data to be displayed by the display units.
The concealed camera driving system may further include:
the central camera shooting structure comprises a data acquisition unit, a time acquisition unit, a snapshot triggering unit, a snapshot execution unit and a data output unit, wherein the snapshot execution unit is arranged right above the display units at the central positions of the plurality of display units of the circular display screen, and the snapshot visual field of the central camera shooting structure covers the display areas of the display units at the central positions;
the data acquisition unit is connected with a display buffer corresponding to the display unit at the central position and is used for acquiring the current image data of the display buffer;
the time acquisition unit is connected with the data acquisition unit and is used for outputting the display time of the current image data as shooting trigger time when the acquired current image data is blank image content;
the snapshot triggering unit is respectively connected with the time acquisition unit and the snapshot execution unit and is used for triggering the snapshot execution unit to execute snapshot processing on an annular auditorium below the auditorium when shooting triggering time is reached so as to obtain a customized snapshot image;
the empty chair identification device is connected with the snapshot triggering unit and used for identifying an annular auditorium area in the customized snapshot image and identifying the relative position of an empty chair in the annular auditorium area based on the appearance of a standard chair body;
the chair body control mechanism is connected with the vacant chair identification equipment and is used for executing the operation of keeping the posture of the chair body unchanged on the corresponding solid chair body in the annular auditorium based on the relative position of the vacant chair in the annular auditorium area and executing the lifting operation on other solid chair bodies so as to facilitate the audience at the corresponding position to watch the circular display screen;
wherein identifying an annular auditorium area in the customized snap shot image comprises: identifying an annular auditorium area in the customized snap image based on an annular geometry of an annular auditorium;
wherein identifying the relative position of the vacant chair in the annular auditorium area based on the standard chair body profile comprises: performing content matching on the appearance of a standard chair body and the annular auditorium area, and taking the position of the image subarea matched with the appearance of the standard chair body relative to the annular auditorium area as the relative position of the hollow chair in the annular auditorium area;
when the acquired current image data is blank image content, outputting the display time of the current image data as shooting trigger time comprises the following steps: and when the image corresponding to the acquired current image data is a white background image, judging that the acquired current image data is blank image content, and outputting the display time of the current image data as shooting trigger time.
In the concealed camera shooting mechanism driving system:
when the image corresponding to the acquired current image data is a white background image, the determining that the acquired current image data is a blank image content includes: and when all the constituent pixels of the image corresponding to the acquired current image data are white pixels, judging that the image corresponding to the acquired current image data is a white background image.
In the concealed camera shooting mechanism driving system:
when each of the constituent pixels of the image corresponding to the acquired current image data is a white pixel, determining that the image corresponding to the acquired current image data is a white background image includes: and judging whether each constituent pixel is a white pixel or not according to the value of each color channel of the constituent pixel.
The concealed camera driving system may further include:
determining whether each constituent pixel is a white pixel by its respective color channel value comprises: and judging whether each constituent pixel is a white pixel or not according to the red channel value, the green channel value and the blue channel value of each constituent pixel.
The concealed camera driving system may further include:
and the voltage conversion mechanism is connected with a mains supply interface and is also respectively connected with the central image pickup structure, the empty chair identification equipment and the chair body control mechanism.
In the concealed camera shooting mechanism driving system:
the voltage conversion mechanism is used for converting the input voltage of the mains supply interface into the working voltages required by the central image pickup structure, the empty chair identification equipment and the chair body control mechanism respectively.
In the concealed camera shooting mechanism driving system:
the chair body control mechanism comprises a plurality of micro-control units which are respectively connected with each solid chair body.
In the concealed camera shooting mechanism driving system:
each micro-control unit consists of a pitching structure, a micro motor and a micro controller and is used for controlling the corresponding entity chair body to execute a pitching action or a returning action.
In addition, the micro motor is a motor with small volume and capacity, output power generally below hundreds of watts, and special requirements on application, performance and environmental conditions.
The micro motor is a motor with a diameter less than 160mm or rated power less than 750W, and is commonly used in a control system or a transmission mechanical load and used for realizing the functions of detecting, analyzing, operating, amplifying, executing or converting electromechanical signals or energy and the like.
The micro motor integrates the high and new technology industries of multiple subjects such as a motor, a micro-electronics, a power electronic, a computer, an automatic control, a precision machine, a new material and the like, particularly the application of the electronic technology and the new material technology of the electric micro motor promotes the technical progress of the micro special motor, the micro motor has various varieties (more than 6000 varieties), various specifications and wide market application fields, relates to various aspects of national economy, national defense equipment and human life, can be seen in all occasions needing electric drive, has multiple manufacturing procedures, relates to the process technologies such as precision machinery, fine chemical engineering, micro machining, magnetic material processing, winding manufacturing, insulation processing and the like, has large quantity of required process equipment and high precision, in order to ensure the quality of products, a series of precise testing instruments are needed, and the micro motor is a high-tech industry with high investment, in short, the micro motor industry is a labor-intensive and technology-intensive industry.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present disclosure, and not for limiting the same; while the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present disclosure, and they should be construed as being included in the following claims and description.
Claims (10)
1. A concealed camera mechanism drive system, comprising:
the circular display screen is composed of a plurality of display units which are spliced into a circle and arranged on the top of the annular auditorium;
wherein, the annular auditorium is composed of a plurality of chair bodies in a single-row annular layout.
2. The concealed camera mechanism drive system of claim 1, further comprising:
and the display buffers are respectively connected with the display units and are used for respectively buffering the image data to be displayed by the display units.
3. The concealed camera mechanism drive system of claim 2, further comprising:
the central camera shooting structure comprises a data acquisition unit, a time acquisition unit, a snapshot triggering unit, a snapshot execution unit and a data output unit, wherein the snapshot execution unit is arranged right above the display units at the central positions of the plurality of display units of the circular display screen, and the snapshot visual field of the central camera shooting structure covers the display areas of the display units at the central positions;
the data acquisition unit is connected with a display buffer corresponding to the display unit at the central position and is used for acquiring the current image data of the display buffer;
the time acquisition unit is connected with the data acquisition unit and is used for outputting the display time of the current image data as shooting trigger time when the acquired current image data is blank image content;
the snapshot triggering unit is respectively connected with the time acquisition unit and the snapshot execution unit and is used for triggering the snapshot execution unit to execute snapshot processing on an annular auditorium below the auditorium when shooting triggering time is reached so as to obtain a customized snapshot image;
the empty chair identification device is connected with the snapshot triggering unit and used for identifying an annular auditorium area in the customized snapshot image and identifying the relative position of an empty chair in the annular auditorium area based on the appearance of a standard chair body;
the chair body control mechanism is connected with the vacant chair identification equipment and is used for executing the operation of keeping the posture of the chair body unchanged on the corresponding solid chair body in the annular auditorium based on the relative position of the vacant chair in the annular auditorium area and executing the lifting operation on other solid chair bodies so as to facilitate the audience at the corresponding position to watch the circular display screen;
wherein identifying an annular auditorium area in the customized snap shot image comprises: identifying an annular auditorium area in the customized snap image based on an annular geometry of an annular auditorium;
wherein identifying the relative position of the vacant chair in the annular auditorium area based on the standard chair body profile comprises: performing content matching on the appearance of a standard chair body and the annular auditorium area, and taking the position of the image subarea matched with the appearance of the standard chair body relative to the annular auditorium area as the relative position of the hollow chair in the annular auditorium area;
when the acquired current image data is blank image content, outputting the display time of the current image data as shooting trigger time comprises the following steps: and when the image corresponding to the acquired current image data is a white background image, judging that the acquired current image data is blank image content, and outputting the display time of the current image data as shooting trigger time.
4. The concealed camera mechanism drive system of claim 3, wherein:
when the image corresponding to the acquired current image data is a white background image, the determining that the acquired current image data is a blank image content includes: and when all the constituent pixels of the image corresponding to the acquired current image data are white pixels, judging that the image corresponding to the acquired current image data is a white background image.
5. The concealed camera mechanism drive system of claim 4, wherein:
when each of the constituent pixels of the image corresponding to the acquired current image data is a white pixel, determining that the image corresponding to the acquired current image data is a white background image includes: and judging whether each constituent pixel is a white pixel or not according to the value of each color channel of the constituent pixel.
6. The concealed camera mechanism drive system of claim 5, further comprising:
determining whether each constituent pixel is a white pixel by its respective color channel value comprises: and judging whether each constituent pixel is a white pixel or not according to the red channel value, the green channel value and the blue channel value of each constituent pixel.
7. The concealed camera mechanism drive system of claim 6, further comprising:
and the voltage conversion mechanism is connected with a mains supply interface and is also respectively connected with the central image pickup structure, the empty chair identification equipment and the chair body control mechanism.
8. The concealed camera mechanism drive system of claim 7, wherein:
the voltage conversion mechanism is used for converting the input voltage of the mains supply interface into the working voltages required by the central image pickup structure, the empty chair identification equipment and the chair body control mechanism respectively.
9. The concealed camera mechanism drive system of claim 8, wherein:
the chair body control mechanism comprises a plurality of micro-control units which are respectively connected with each solid chair body.
10. The concealed camera mechanism drive system of claim 9, wherein:
each micro-control unit consists of a pitching structure, a micro motor and a micro controller and is used for controlling the corresponding entity chair body to execute a pitching action or a returning action.
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| CN202110143452.5A CN113014756A (en) | 2021-02-02 | 2021-02-02 | Hidden camera shooting mechanism driving system |
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| CN202110143452.5A CN113014756A (en) | 2021-02-02 | 2021-02-02 | Hidden camera shooting mechanism driving system |
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