CN112272435B - Light control system and method for indoor photography - Google Patents
Light control system and method for indoor photography Download PDFInfo
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- CN112272435B CN112272435B CN202011097497.5A CN202011097497A CN112272435B CN 112272435 B CN112272435 B CN 112272435B CN 202011097497 A CN202011097497 A CN 202011097497A CN 112272435 B CN112272435 B CN 112272435B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Computer Networks & Wireless Communication (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Studio Devices (AREA)
Abstract
The invention relates to the field of indoor photography, discloses a light control system and method for indoor photography, and solves the problems of complex operation, low shooting efficiency and poor accuracy of light adjustment in a light control scheme for indoor photography in the prior art. The control system comprises an upper computer, a wireless MESH gateway, a wireless MESH control terminal and a wireless MESH light sensor; computer control software runs on the upper computer; the upper computer is connected with the wireless MESH gateway through a physical interface; the wireless MESH gateway is used for establishing a wireless MESH network, and the wireless MESH control terminal and the wireless MESH light sensor are communicated with computer control software running on an upper computer by joining in the wireless MESH network. The invention is suitable for automatic light adjustment control in indoor photography and supports manual individualized adjustment control.
Description
Technical Field
The invention relates to the field of indoor photography, in particular to a light control system and method for indoor photography.
Background
To the light control of indoor photography (film studio) in the existing market, or manual shift knob operation, or through the wireless point-to-point control of remote controller, the operation flow is loaded down with trivial details complicacy, and whether the photographer must observe light effect through the examination photo and satisfy the requirement, then debug repeatedly, and whole shooting efficiency is lower to the rate of accuracy of light regulation is also relatively poor.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the light control system and method for indoor photography are provided, and the problems that in the prior art, the light control scheme for indoor photography is complex to operate, the shooting efficiency is low, and the accuracy of light adjustment is poor are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a light control system for indoor photography comprises an upper computer, a wireless MESH gateway, a wireless MESH control terminal and a wireless MESH light sensor;
computer control software runs on the upper computer; the upper computer is connected with the wireless MESH gateway through a physical interface; the wireless MESH gateway is used for establishing a wireless MESH network, and the wireless MESH control terminal and the wireless MESH light sensor are communicated with computer control software running on an upper computer by joining the wireless MESH network;
the wireless MESH light sensor is used for collecting light information of corresponding positions and transmitting the light information to the computer control software through a wireless MESH network;
the computer control software is used for analyzing the current light ratio condition of the photographic lamp, comparing the current light ratio condition with a light effect graph template selected by a user, and sending a light adjusting control instruction to a corresponding wireless MESH control terminal through a wireless MESH network;
and the wireless MESH control terminal is used for adjusting the light effect of the corresponding photographic lamp according to the command after receiving the light adjustment control command.
As a further optimization, all parts of the light control system communicate through a special communication protocol, and the special communication protocol supports a MESH network, supports equipment control and supports data encryption transmission.
As a further optimization, the connection mode between the upper computer and the wireless MESH gateway includes, but is not limited to: wired network, USB interface, or WIFI.
As a further optimization, the wireless MESH networks include, but are not limited to: bluetooth or WIFI networks.
As a further optimization, the computer control software provides a third-party communication interface and can provide information integration services for third-party software or equipment.
As further optimization, a light effect graph template is built in the computer control software and is provided for a user to select through a human-computer interaction interface.
As a further optimization, the computer control software supports management and configuration of the wireless MESH network created by the wireless MESH gateway, and configuration, data reading and control of the wireless MESH control terminal and the wireless MESH light sensor which join the MESH network.
As a further optimization, the computer control software also supports a user to manually control and adjust the single or multiple wireless MESH control terminals or the wireless MESH light sensors in a human-computer interaction interface provided by the user.
In addition, based on the control system, the invention also provides a light control method for indoor photography, which comprises the following steps:
a. completing wireless MESH networking and related configuration of the light control system;
b. a user selects a preset light effect graph template through a human-computer interaction interface of computer control software running on an upper computer;
c. the wireless MESH light sensor collects light information of corresponding positions and transmits the light information to computer control software through a wireless MESH network;
d. the computer control software analyzes the current light ratio condition of the camera lamp, compares the current light ratio condition with a light effect graph template selected by a user, and sends a light adjusting control instruction to a corresponding wireless MESH control terminal through a wireless MESH network;
e. the wireless MESH control terminal is used for adjusting the light effect of the corresponding photographic lamp according to the light adjusting control command after receiving the light adjusting control command;
f. the wireless MESH light sensor transmits the acquired illumination data to the wireless MESH gateway through the wireless MESH network in real time, and the wireless MESH gateway forwards the illumination data to the upper computer.
As a further optimization, in step a, the completing of the wireless MESH networking and related configuration of the light control system includes:
after being electrified, the wireless MESH gateway establishes a special wireless MESH network, and after being electrified, the wireless MESH control terminal and the wireless MESH light ray sensor automatically search the special wireless MESH network and try to access the network; after the wireless MESH gateway identifies a legal wireless MESH control terminal and a legal wireless MESH light sensor, the wireless MESH gateway is allowed to access the network;
a user can configure wireless MESH control terminals in the current wireless MESH network in a human-computer interaction interface of control software and set the position of a photographic lamp corresponding to each wireless MESH control terminal;
the user can configure the wireless MESH light sensors in the current wireless MESH network in the control software human-computer interaction interface and set the position information of each wireless MESH light sensor on the shot person or object.
In step d, the computer control software analyzes the current light ratio of the photographic lamp by acquiring the result of the wireless MESH light sensor or analyzes the current light ratio of the photographic lamp by using a photo analysis processing algorithm, compares the current light ratio with a light effect graph template selected by a user, automatically calculates the control quantity by combining the current light distribution condition, and sends a control command to the corresponding wireless MESH control terminal through the wireless MESH gateway, thereby adjusting the color temperature and/or the brightness of the corresponding photographic lamp.
The beneficial effects of the invention are:
the invention constructs a set of complete indoor photography system through the wireless communication technology and the computer software technology, the system supports the man-machine interaction on the computer software interface, and can automatically adjust the light intensity and the color temperature according to the requirements of users, so that the photography dimming process is more automatic and more humanized, the efficiency is higher, and the light adjustment is more accurate.
Drawings
FIG. 1 is a block diagram of a lighting control system for indoor photography according to the present invention;
fig. 2 is a flow chart of a light control service for indoor photography according to the present invention.
Detailed Description
The invention aims to provide a light control system and a light control method for indoor photography, and solves the problems of complex operation, low shooting efficiency and poor accuracy of light adjustment in a light control scheme for indoor photography in the prior art.
The light control system comprises an upper computer, a wireless MESH gateway, a wireless MESH control terminal and a wireless MESH light sensor; wherein, the upper computer runs computer control software; the upper computer is connected with the wireless MESH gateway through a physical interface (such as a wired network, a USB interface or WIFI); the wireless MESH gateway is used for establishing a wireless MESH network, and the wireless MESH control terminal and the wireless MESH light sensor are communicated with computer control software running on an upper computer by joining the wireless MESH network; the networking of the whole system is shown in figure 1.
In concrete realization, wireless MESH control terminal is the control accessory of photography luminaire, and the photography luminaire (including the flash light) of compatible different models can realize the light intensity and the colour temperature regulation control of photography luminaire, provides the external power supply by the photography luminaire. The wireless MESH light sensor is a wearable device powered by a battery, can be charged by an external power supply, and does not need external power supply during use. The wireless MESH gateway creates a private wireless MESH network, wireless type is WIFI or bluetooth, but not limited to these two.
The computer control software comprises an MESH gateway management module, an MESH terminal management module, an MESH sensor management module, a light intensity processing algorithm, a photo analysis processing algorithm and the like, supports the management and configuration of a wireless MESH network established by the wireless MESH gateway through a human-computer interaction interface, configures, reads and controls data of a wireless MESH control terminal and a wireless MESH light sensor which are added into the MESH network, and also supports a user to manually control and adjust the single or a plurality of wireless MESH control terminals or the wireless MESH light sensors in the human-computer interaction interface.
Each part in the system adopts a special communication protocol for communication, and the communication protocol comprises a communication data packet format definition, a communication mode, a data encryption and decryption mode and the like among all roles in the system.
Based on the above system, the light control business process for indoor photography implemented by the present invention is shown in fig. 2:
after being powered on, the wireless MESH gateway creates a special wireless MESH network, after being powered on, the wireless MESH control terminal automatically searches for a specific special wireless MESH network and tries to access the network, and the wireless MESH gateway identifies a legal wireless MESH control terminal through the communication protocol and allows the legal wireless MESH control terminal to join the MESH network. After the wireless MESH light sensor is electrified, a specific special wireless MESH network is automatically searched and network access is tried, and the wireless MESH gateway identifies a legal wireless MESH light sensor through the communication protocol and allows the legal wireless MESH light sensor to be added into the MESH network.
Computer control software on the upper computer can acquire the operating conditions and parameters of the wireless MESH network, such as the number of wireless MESH control terminals in the current wireless MESH network, the equipment information of each wireless MESH control terminal and the like, and the control software registers and stores the acquired equipment information and MESH network information in a database.
The user can configure the wireless MESH control terminals in the current wireless MESH network in the control software man-machine interaction interface, and set the corresponding photography lamp positions of each wireless MESH control terminal, such as the front, the right, the left rear side, the right rear side and the like. In addition, the user can configure the wireless MESH light sensors in the current wireless MESH network in the control software human-computer interaction interface, and set the position information of each wireless MESH light sensor on the shot person or object, such as the forehead, face, arm and other positions of the model.
After the configuration of the wireless MESH control terminal and the light sensor is completed, a user can select a preset light effect graph template in a control software man-machine interaction interface. In the system work, each wireless MESH light sensor feeds back the collected light information of the corresponding position to the control software through the wireless MESH network, the control software automatically calculates the control quantity by analyzing the template and combining the current light distribution condition, converts the control result into a control command through the communication protocol, and sends the control command to the corresponding wireless MESH control terminal through the wireless MESH network, so as to control the corresponding photographic lamp. The wireless MESH light sensor can collect illumination data in real time, transmit the illumination data to the wireless MESH gateway through the wireless MESH network, and transmit the illumination data to the upper computer through the wireless MESH gateway.
It should be noted that the control software in the present invention has two ways to implement closed-loop control of the photography lamp, one is to analyze the light proportioning condition of the current photography lamp through the illumination data acquisition result fed back by the wireless MESH light sensor, and the other is to analyze the light proportioning condition of the current photography lamp through the final image or photo taken by the camera or video camera and adopting a photo analysis processing algorithm. The control software automatically calculates the control quantity through an algorithm, calibrates the current control data, enables the final light ratio to be infinitely close to the template effect set by a user, and the process is automatically carried out.
Besides the automatic control process, the user can also select to manually adjust and control one or more photographic lamps, select a wireless MESH control terminal to be adjusted in a human-computer interaction interface of control software, and adjust corresponding parameters.
The computer control software also provides a third-party communication interface, and can provide information integration service for third-party software or equipment.
In conclusion, the indoor photography light control system and the indoor photography light control method can automatically adjust the light intensity and the color temperature according to the requirements of the user, so that the photography dimming process is more automatic and humanized, the efficiency is higher, the light adjustment is more accurate, meanwhile, the manual personalized adjustment of the user is supported, and the system and the method are very flexible.
Claims (9)
1. A light control system for indoor photography,
the system comprises an upper computer, a wireless MESH gateway, a wireless MESH control terminal and a wireless MESH light sensor;
computer control software runs on the upper computer; the upper computer is connected with the wireless MESH gateway through a physical interface; the wireless MESH gateway is used for establishing a wireless MESH network, and the wireless MESH control terminal and the wireless MESH light sensor are communicated with computer control software running on an upper computer by joining the wireless MESH network;
the wireless MESH light sensor is used for collecting light information of corresponding positions and transmitting the light information to the computer control software through a wireless MESH network; the wireless MESH light sensor is a wearable device powered by a battery, can be charged by an external power supply, and does not need external power supply when in use;
the computer control software is used for analyzing the current light ratio condition of the photographic lamp, comparing the current light ratio condition with a light effect graph template selected by a user, and sending a light adjusting control instruction to a corresponding wireless MESH control terminal through a wireless MESH network;
the wireless MESH control terminal is used for adjusting the light effect of the corresponding photographic lamp according to the command after receiving the light adjusting control command; the wireless MESH control terminal is a control accessory of the photographic lamp, is compatible with photographic lamps of different models, can realize the regulation and control of the light intensity and the color temperature of the photographic lamp, and is supplied with external power by the photographic lamp;
the computer control software supports management and configuration of the wireless MESH network created by the wireless MESH gateway, configuration, data reading and control of the wireless MESH control terminal and the wireless MESH light sensor which are added into the MESH network, and manual control and adjustment of a single or a plurality of wireless MESH control terminals or wireless MESH light sensors in a human-computer interaction interface provided by a user;
the user can configure the wireless MESH control terminals in the current wireless MESH network in the control software human-computer interaction interface, set the position of the photographic lamp corresponding to each wireless MESH control terminal, configure the wireless MESH light sensors in the current wireless MESH network in the control software human-computer interaction interface, and set the position information of each wireless MESH light sensor on the photographed person;
in the system operation, each wireless MESH light sensor feeds back the acquired light information of the corresponding position to the control software through the wireless MESH network, the control software automatically calculates the control quantity by analyzing the template and combining the current light distribution condition, converts the control result into a control command through a communication protocol, and sends the control command to the corresponding wireless MESH control terminal through the wireless MESH network, so as to control the corresponding photographic lamp.
2. A light control system for indoor photography as claimed in claim 1,
all parts of the light control system communicate through a special communication protocol, and the special communication protocol supports an MESH network, supports equipment control and supports data encryption transmission.
3. A light control system for indoor photography as claimed in claim 1,
the mode of being connected between host computer and the wireless MESH gateway includes: wired network, USB interface, or WIFI.
4. A light control system for indoor photography as claimed in claim 1,
the wireless MESH network comprises: bluetooth or WIFI networks.
5. A light control system for indoor photography as recited in claim 1,
the computer control software provides a third-party communication interface and can provide information integration service for third-party software or equipment.
6. A light control system for indoor photography as claimed in claim 1,
the computer control software is internally provided with a light effect graph template and provides a user with a selection through a human-computer interaction interface.
7. A light control method for indoor photography, applied to the control system according to any one of claims 1 to 6, characterized by comprising the steps of:
a. completing wireless MESH networking and related configuration of the light control system;
b. a user selects a preset light effect graph template through a human-computer interaction interface of computer control software running on an upper computer;
c. the wireless MESH light sensor collects light information of corresponding positions and transmits the light information to computer control software through a wireless MESH network;
d. the computer control software analyzes the current light ratio of the photographic lamp, compares the current light ratio with a light effect graph template selected by a user, and sends a light adjusting control instruction to a corresponding wireless MESH control terminal through a wireless MESH network;
e. the wireless MESH control terminal is used for adjusting the light effect of the corresponding photographic lamp according to the light adjusting control command after receiving the light adjusting control command;
f. the wireless MESH light sensor transmits the acquired illumination data to the wireless MESH gateway through the wireless MESH network in real time, and the wireless MESH gateway forwards the illumination data to the upper computer.
8. A light control method for indoor photography according to claim 7,
in step a, the wireless MESH networking and related configuration for completing the light control system comprises:
after being electrified, the wireless MESH gateway establishes a special wireless MESH network, and after being electrified, the wireless MESH control terminal and the wireless MESH light ray sensor automatically search the special wireless MESH network and try to access the network; after the wireless MESH gateway identifies a legal wireless MESH control terminal and a legal wireless MESH light sensor, the wireless MESH gateway is allowed to access the network;
a user can configure wireless MESH control terminals in the current wireless MESH network in a human-computer interaction interface of control software and set the position of a photographic lamp corresponding to each wireless MESH control terminal;
the user can configure the wireless MESH light sensors in the current wireless MESH network in the control software human-computer interaction interface and set the position information of each wireless MESH light sensor on the shot person or object.
9. A light control method for indoor photography according to claim 7,
in step d, the computer control software analyzes the current light proportion condition of the photographic lamp by collecting the result of the wireless MESH light sensor or analyzes the current light proportion condition of the photographic lamp by using a photo analysis processing algorithm to the shot photo, compares the current light proportion condition of the photographic lamp with the light effect graph template selected by the user, automatically calculates the control quantity by combining the current light distribution condition, and sends the control quantity to the corresponding wireless MESH control terminal through the wireless MESH gateway by a control instruction, thereby adjusting the color temperature and/or the brightness of the corresponding photographic lamp.
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