CN108172156A - A projector intelligent projection control system and method - Google Patents

Abstract

The invention discloses an intelligent projection control system and method for a projector, and relates to the technical field of projection. The system comprises an image acquisition unit, a sensing detection unit and a CPU (central processing unit); the image acquisition unit is connected with the CPU through an image analysis unit, and the image analysis unit is connected with a comparison picture database; the sensing detection unit is connected with the CPU through an A/D converter and comprises a temperature sensing module and a brightness sensing module; the signal output end of the CPU processor is connected with a contrast adjusting unit, a brightness adjusting unit and a color temperature adjusting unit; the CPU processor is also connected with a parameter database. The invention obtains the control parameters through the parameter database by the CPU processor, and controls the contrast adjusting unit, the brightness adjusting unit and the color temperature adjusting unit by the CPU processor to realize the adjustment of the brightness, the contrast and the color temperature projected by the projector.

Description

A projector intelligent projection control system and method

technical field

The invention belongs to the technical field of projection, and in particular relates to an intelligent projection control system and method for a projector.

Background technique

The projector can project images or videos through LED (Light Emitting Diode, light emitting diode) light source; an important parameter that affects the display effect of the projector is the brightness, and serious brightness deviation will cause the display to be dark, bright or color cast.

In the daily use of the projector, the ambient light and the projection screen will have an impact on the projection effect. The projection effect is also different in different bright or dark environments. In addition, if the projection screen is not white, the projected color will be affected. Existing projectors can only manually adjust the brightness of the projector, manually adjust the color parameters such as the ratio of red, green and blue colors of the projector, and do not have the function of automatic adjustment.

Contents of the invention

The purpose of the present invention is to provide a projector intelligent projection control system and method, through the CPU processor to obtain the control parameters through the parameter database, and through the CPU processor to control the contrast adjustment unit, the brightness adjustment unit and the color temperature adjustment unit to realize the projector projection Brightness, contrast and color temperature can be adjusted.

In order to solve the problems of the technologies described above, the present invention is achieved through the following technical solutions:

The invention is an intelligent projection control system for a projector, which includes an image acquisition unit, a sensor detection unit and a CPU processor;

The image acquisition unit is connected to the CPU processor through an image analysis unit;

Wherein, the image acquisition unit is used to collect the image projected by the projector, and the image analysis unit is used to compare and analyze the collected image projected by the projector according to the comparison image information stored in the connected comparison picture database to obtain the image Parameter information;

The sensing detection unit is connected to the CPU processor through an A/D converter, and the sensing detection unit includes a temperature sensing module and a brightness sensing module;

The signal output end of the CPU processor is connected with a contrast adjustment unit, a brightness adjustment unit and a color temperature adjustment unit; the CPU processor is also connected with a parameter database.

Further, the comparison picture database includes at least 20 feature comparison pictures, and each feature comparison picture corresponds to a parameter of brightness, contrast number and color temperature.

Further, the parameter database includes a brightness parameter information database, a temperature parameter information database and an image parameter information database;

Wherein, the brightness parameter information database is the adjustment control parameters of the contrast adjustment unit and the brightness adjustment unit corresponding to the data detected by the brightness sensing module;

Wherein, the temperature parameter information database is the adjustment control parameter of the color temperature adjustment unit corresponding to the data detected by the temperature sensing module;

Wherein, the image parameter information database is the contrast adjustment unit, the brightness adjustment unit and the color temperature adjustment unit corresponding to the image parameter information obtained by the image analysis unit through the comparison analysis of the images of the image acquisition unit.

Further, the temperature sensing module includes a temperature sensor; the temperature sensor is used to detect the temperature of the room where the projector is located.

Further, the brightness sensing module includes a brightness sensor, and the brightness sensor is used to detect the brightness of the room where the projector is located.

A projector intelligent projection control method, comprising the following steps;

SS01. Acquisition of environmental parameters: Obtain environmental parameters through the brightness sensing module and temperature sensing module, and transmit the acquired environmental parameters to the CPU processor;

SS02. Acquisition of correction projection control parameters: the CPU processor obtains the primary control parameters of the contrast adjustment unit, the brightness adjustment unit and the color temperature adjustment unit from the brightness parameter information database and the temperature parameter information database according to the acquired environmental parameters;

SS03. Calibration projection: CPU processor controls the projection module to drive the projection lens to project according to the acquired primary control parameters;

SS04. Image collection: collect the image projected by the projector through the image collection unit and transmit the collected image information to the image analysis unit;

SS05, image analysis: the image analysis unit is used to compare and analyze the image projected by the collected projector according to the comparison image information stored in the connected comparison image database to obtain image parameter information, and transmit the obtained parameter information to the CPU processor;

SS06. Acquisition of formal projection parameters: the CPU processor obtains the ultimate level control parameters of the contrast adjustment unit, brightness adjustment unit and color temperature adjustment unit through the image parameter information database according to the acquired image parameter information;

SS07. Formal projection: CPU processor controls the projection module to drive the projection lens to project according to the acquired ultimate control parameters.

The present invention has the following beneficial effects:

The present invention obtains control parameters through the CPU processor through the parameter database, and controls the contrast adjustment unit, the brightness adjustment unit and the color temperature adjustment unit through the CPU processor to adjust the brightness, contrast and color temperature of the projection of the projector; the projection control method of the present invention Including corrected projection and formal projection, the formal projection is performed after the corrected projection, which improves the clarity of projection and the comfort of projection viewing.

Of course, any product implementing the present invention does not necessarily need to achieve all the above-mentioned advantages at the same time.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that are required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is a schematic structural diagram of a projector intelligent projection control system of the present invention;

FIG. 2 is a schematic diagram of the steps of an intelligent projection control method for a projector according to the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Please refer to Fig. 1, the present invention is an intelligent projection control system for a projector, including an image acquisition unit, a sensor detection unit and a CPU processor;

The image acquisition unit is connected with the CPU processor through the image analysis unit;

Wherein, the image acquisition unit is used to collect the image projected by the projector, and the image analysis unit is used to compare and analyze the collected image projected by the projector according to the contrast image information stored in the connected comparison picture database to obtain image parameter information;

The sensing detection unit is connected to the CPU processor through an A/D converter, and the sensing detection unit includes a temperature sensing module and a brightness sensing module;

The signal output end of the CPU processor is connected with a contrast adjustment unit, a brightness adjustment unit and a color temperature adjustment unit; the CPU processor is also connected with a parameter database.

Preferably, the comparison picture database includes at least 20 feature comparison pictures, and each feature comparison picture corresponds to a parameter of brightness, contrast number and color temperature.

Preferably, the parameter database includes a brightness parameter information database, a temperature parameter information database and an image parameter information database;

Wherein, the brightness parameter information database is the adjustment control parameters of the contrast adjustment unit and the brightness adjustment unit corresponding to the data detected by the brightness sensing module;

Wherein, the temperature parameter information database is the adjustment control parameter of the color temperature adjustment unit corresponding to the data detected by the temperature sensing module;

Wherein, the image parameter information database is the contrast adjustment unit, the brightness adjustment unit and the color temperature adjustment unit corresponding to the image parameter information through the image analysis unit of the image acquisition unit for comparative analysis to obtain the adjustment control parameters of the image parameter information.

Preferably, the temperature sensing module includes a temperature sensor; the temperature sensor is used to detect the temperature of the room where the projector is located.

Preferably, the brightness sensing module includes a brightness sensor, which is used to detect the brightness of the room where the projector is located.

Please refer to Fig. 2, a method for intelligent projection control of a projector, comprising the following steps;

SS01. Acquisition of environmental parameters: Obtain environmental parameters through the brightness sensing module and temperature sensing module, and transmit the acquired environmental parameters to the CPU processor;

SS02. Acquisition of correction projection control parameters: the CPU processor obtains the primary control parameters of the contrast adjustment unit, the brightness adjustment unit and the color temperature adjustment unit from the brightness parameter information database and the temperature parameter information database according to the acquired environmental parameters;

SS03. Calibration projection: CPU processor controls the projection module to drive the projection lens to project according to the acquired primary control parameters;

SS04. Image collection: collect the image projected by the projector through the image collection unit and transmit the collected image information to the image analysis unit;

SS05, image analysis: the image analysis unit is used to compare and analyze the image projected by the collected projector according to the comparison image information stored in the connected comparison image database to obtain image parameter information, and transmit the obtained parameter information to the CPU processor;

SS06. Acquisition of formal projection parameters: the CPU processor obtains the ultimate level control parameters of the contrast adjustment unit, brightness adjustment unit and color temperature adjustment unit through the image parameter information database according to the acquired image parameter information;

SS07. Formal projection: CPU processor controls the projection module to drive the projection lens to project according to the acquired ultimate control parameters.

It is worth noting that in the above system embodiments, the units included are only divided according to functional logic, but are not limited to the above division, as long as the corresponding functions can be realized; in addition, the specific names of each functional unit It is only for the convenience of distinguishing each other, and is not used to limit the protection scope of the present invention.

In addition, those of ordinary skill in the art can understand that all or part of the steps in the methods of the above-mentioned embodiments can be completed by instructing related hardware through programs, and the corresponding programs can be stored in a computer-readable storage medium. Storage media, such as ROM/RAM, magnetic disk or optical disk, etc. The preferred embodiments of the invention disclosed above are only to help illustrate the invention. The preferred embodiments are not exhaustive in all detail, nor are the inventions limited to specific embodiments described. Obviously, many modifications and variations can be made based on the contents of this specification. This description selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The invention is to be limited only by the claims, along with their full scope and equivalents.

Claims (6)

1. a kind of projector intelligent projects control system, including image acquisition units, sensing detection unit and CPU processor, It is characterized in that；

Described image collecting unit is connect by image analyzing unit with the CPU processor；

Wherein, described image collecting unit is used for the image that acquired projections instrument is projected, and described image analytic unit is used for basis The image that the contrast images information of the comparison picture database memory storage of connection projects the projecting apparatus of acquisition is carried out to score Analysis obtains image parameter information；

The sensing detection unit is connect by an A/D converter with the CPU processor, and the sensing detection unit includes one Temperature sensing module and brightness sensing module；

The signal output end of the CPU processor is connected with contrast adjustment unit, brightness adjusting unit and colour temperature and adjusts unit； The CPU processor is also associated with a parameter database.

A kind of 2. projector intelligent projection control system according to claim 1, which is characterized in that the comparison diagram the piece number Include at least 20 Characteristic Contrast pictures according to library, every Characteristic Contrast picture corresponds to a kind of brightness, comparison number and colour temperature Parameter.

A kind of 3. projector intelligent projection control system according to claim 1, which is characterized in that the parameter database Including luminance parameter information database, temperature parameter information database and image parameter information database；

Wherein, the contrast adjustment list corresponding to data that the luminance parameter information database is detected for brightness sensing module The adjusting control parameter of member and brightness adjusting unit；

Wherein, the colour temperature corresponding to data that the temperature parameter information database is detected for temperature sensing module adjusts unit Adjusting control parameter；

Wherein, described image parameter information database for image acquisition units image through image analyzing unit according to comparison picture Database compares and analyzes contrast adjustment unit, brightness adjusting unit and the colour temperature tune obtained corresponding to image parameter information Save the adjusting control parameter of unit.

A kind of 4. projector intelligent projection control system according to claim 1, which is characterized in that the temperature sensing mould Block includes a temperature sensor；

The temperature sensor is used to detect indoor temperature conditions residing for projecting apparatus.

5. a kind of projector intelligent projection control system according to claim 1, which is characterized in that the brightness senses mould Block includes a luminance sensor, and the luminance sensor is used to detect indoor brightness case residing for projecting apparatus.

6. a kind of projector intelligent method for controlling projection, which is characterized in that include the following steps；

SS01, environmental parameter obtain：Environmental parameter is obtained by brightness sensing module and temperature sensing module, and by the ring of acquisition Border parameter is transmitted to CPU processor；

SS02, correction projection control parameter obtain：CPU processor is according to the environmental parameter of acquisition from luminance parameter information database With the primary control that contrast adjustment unit, brightness adjusting unit and colour temperature adjusting unit are obtained in temperature parameter information database Parameter；

SS03, correction projection：CPU processor drives projection lens to carry out according to the primary control state modulator projection module of acquisition Projection；

SS04, Image Acquisition：The image that is projected by image acquisition units acquired projections instrument and by the image collected information It is transmitted to image analyzing unit；

SS05, image analysis：Image analyzing unit is used to be believed according to the contrast images of the comparison picture database memory storage of connection It ceases the image projected to the projecting apparatus of acquisition and compares and analyzes acquisition image parameter information, and the information transmission that will get parms To CPU processor；

SS06, formal projective parameter obtain：CPU processor passes through image parameter information data according to the image parameter information of acquisition Library obtains the ultimate grade control parameter that contrast adjustment unit, brightness adjusting unit and colour temperature adjust unit；

SS07, formal projection：CPU processor according to the ultimate grade control parameter of acquisition control projection module drive projection lens into Row projection.