CN114979594B - Intelligent ground color adjusting system of monolithic liquid crystal projector - Google Patents
Intelligent ground color adjusting system of monolithic liquid crystal projector Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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]
- H04N9/3179—Video signal processing therefor
- H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
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- G06V20/00—Scenes; Scene-specific elements
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- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
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Abstract
The invention provides an intelligent ground color adjusting system of a monolithic liquid crystal projector, which comprises: the brightness sensing module is used for sensing the light intensity of the current projection environment; the invention can automatically adjust the brightness and the color of the base color of the projector according to the light intensity, and compared with a manual adjustment mode, the invention is more convenient and has better adjustment effect.
Description
Technical Field
The invention relates to the technical field of projectors, in particular to an intelligent ground color adjusting system of a single-chip liquid crystal projector.
Background
The projector is a device capable of projecting images or videos onto a curtain, along with the continuous development of technology, the functions of the projector are more and more, but in the prior art, the display ground color of the projector is usually set according to personal preference of a user, and the display ground color required by the user is set through a front polarizing and rear polarizing and color mixing device by manual adjustment.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an intelligent ground color adjusting system of a single-chip liquid crystal projector, which is used for solving the problems that when a user does not know the projector much, the user can not grasp the adjusting skill, the human eye adjusting error is larger and the adjusting effect is poor.
An intelligent ground color adjustment system for a monolithic liquid crystal projector, comprising:
the brightness sensing module is used for sensing the light intensity of the current projection environment;
and the ground color adjusting module is used for correspondingly adjusting the current ground color of the projector according to the light intensity.
As an embodiment of the present invention, the under color adjusting module includes:
the base color obtaining sub-module is used for obtaining a base color type matched with the current light intensity from a pre-stored light intensity-base color type library according to the light intensity; the pre-stored light intensity-ground color type library comprises a plurality of combinations of light intensity and ground color types, wherein the ground color types comprise ground color and ground color brightness;
and the base color changing sub-module is used for correspondingly adjusting the current base color of the projector according to the base color type.
As an embodiment of the present invention, the under color changing submodule includes:
the parameter matching unit is used for obtaining control parameters matched with the current ground color type from a pre-stored ground color type-control parameter library according to the ground color type;
and the control and adjustment unit is used for controlling the color mixing device of the projector to correspondingly adjust according to the control parameters.
As an embodiment of the present invention, an intelligent ground color adjustment system for a monolithic liquid crystal projector, further includes:
the base color autonomous selection module is used for providing pre-stored base color types for users to select and sending the base color types selected by the users to the base color adjustment module for corresponding adjustment.
As an embodiment of the present invention, an intelligent ground color adjustment system for a monolithic liquid crystal projector, further includes:
the scenario self-adaptive adjusting module is used for acquiring the background color adjusting amplitude corresponding to the scenario type according to the scenario type of the projection content; the background color adjustment amplitude type comprises up-regulating background color brightness and down-regulating background color brightness;
and the ground color adjusting module is also used for carrying out corresponding amplitude adjustment on the current ground color of the projector according to the ground color adjusting amplitude when receiving the ground color adjusting amplitude.
As an embodiment of the present invention, the scenario adaptive adjustment module includes:
the content acquisition sub-module is used for acquiring the projection content of the current projector;
the scenario judgment sub-module is used for judging and obtaining the scenario type of the projection content according to the projection content;
the adjustment amplitude obtaining sub-module is used for obtaining the background color adjustment amplitude matched with the current scenario type from a pre-stored scenario type-background color adjustment amplitude library according to the scenario type;
and the output sub-module is used for outputting the ground color adjusting amplitude to the ground color adjusting module.
As an embodiment of the present invention, the content acquisition submodule includes:
a picture acquisition unit for acquiring a projection picture of the current projector; the projection picture is a display picture of the projected surface;
a sound acquisition unit for acquiring sound information of a current projection environment; the sound information is audio information after denoising operation is performed on the original sound.
As an embodiment of the present invention, the scenario judgment sub-module includes:
the first judging unit is used for judging the scenario type of the projection content according to the projection picture of the current projection content to obtain a first judging result;
the second judging unit is used for judging the scenario type of the projection content according to the projection picture and the sound information of the current projection content to obtain a second judging result;
and the judging unit is used for judging whether the first judging result and the second judging result are the same or not, and if so, outputting the first judging result.
As an embodiment of the present invention, the first judgment unit performs operations including:
after the projection content starts, receiving all frames of first projection pictures of the current projection content acquired by a content sub-module in a preset first time after the preset first time;
carrying out text recognition on a preset area of a first projection picture of each frame to obtain a first recognition text;
screening out the fixed nouns in the first recognition text based on a pre-stored fixed noun library to obtain a second recognition text;
screening out the names of people in the second recognition text based on a pre-trained name recognition model to obtain a third recognition text;
screening out empty recognition texts in all the third recognition texts, and establishing a fourth recognition text set;
judging whether the words which are the same as the pre-stored horror type word library exist in each third identification text in the fourth identification text set or not based on the pre-stored horror type word library, if yes, marking the third identification text with horror labels, and if not, marking the third identification text with non-horror labels;
counting the number of the third recognition texts with the horror labels and the number of all the third recognition texts in the fourth recognition text set respectively to obtain a first number and a second number;
if the ratio of the first quantity to the second quantity is not smaller than the occurrence ratio of the preset terrorist words, judging that the scenario type of the projection content is the terrorist type as a first judgment result;
if the ratio of the first quantity to the second quantity is smaller than the occurrence ratio of the preset terrorist words, judging that the scenario type of the projection content is the non-terrorist type as a first judgment result.
As an embodiment of the present invention, after the first judgment unit judges that it is finished, the second judgment unit performs operations including:
receiving second projection pictures and continuous sound information of all frames of the current projection content acquired by a content sub-module in a preset second time;
carrying out face recognition on the second projection picture of each frame to obtain a plurality of face images;
carrying out expression recognition on a plurality of face images to obtain a plurality of face recognition expressions;
based on a preset expression classification rule, classifying a plurality of face recognition expressions into panic expressions and non-panic expressions;
counting the number of the panic expressions and the non-panic expressions in the second projection picture of each frame respectively to obtain a third number and a fourth number;
if the ratio of the third quantity to the sum of the third quantity and the fourth quantity is not smaller than the preset panic expression occurrence ratio, judging that the current second projection picture is a horror picture;
if the ratio of the third quantity to the sum of the third quantity and the fourth quantity is smaller than the preset panic expression occurrence ratio, judging that the current second projection picture is a non-terrorist picture;
respectively counting the fifth number and the sixth number of all the second projection pictures in the preset second time as horror pictures and non-horror pictures;
if the ratio of the fifth quantity to the sum of the fifth quantity and the sixth quantity is not smaller than the occurrence ratio of the preset horror pictures, judging that the picture judgment result is that the projection picture of the projection content is of horror type;
if the ratio of the fifth quantity to the sum of the fifth quantity and the sixth quantity is smaller than the occurrence ratio of the preset horror pictures, judging that the picture judgment result is that the projection picture of the projection content is of a non-horror type;
and, a step of, in the first embodiment,
performing music similarity recognition on the continuous sound information and all the pieces of music in the pre-stored horror pure music library to obtain first similarity of the continuous sound information and all the pieces of music in the pre-stored horror pure music library;
if the first similarity is larger than a preset threshold, judging that the sound judgment result is that the sound information of the projection content is of the horror type;
if the first similarity is not greater than a preset threshold, judging that the sound judgment result is that the sound information of the projection content is of a non-terrorism type;
and, a step of, in the first embodiment,
judging whether the picture judging result and the sound judging result are the same;
if the judgment result is the same, judging that the scenario type of the projection content is the horror type;
if the content is different, judging that the scenario type of the projection content is the non-terrorism type as the second judging result.
The beneficial effects of the invention are as follows: according to the light intensity intelligence carries out the regulation of base colour luminance and base colour to the projecting apparatus, prevents when the user knows not much to the projecting apparatus, can't adjust base colour luminance and base colour by oneself to prevent to adjust the error greatly because of the people's eye, lead to the relatively poor problem of regulation effect to appear.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic block diagram of an intelligent ground color adjustment system for a monolithic liquid crystal projector according to an embodiment of the present invention;
FIG. 2 is a detailed block diagram of an intelligent ground color adjustment system for a monolithic liquid crystal projector according to an embodiment of the present invention;
FIG. 3 is a schematic block diagram of a background color adjustment module in an intelligent background color adjustment system of a monolithic liquid crystal projector according to an embodiment of the present invention;
FIG. 4 is a schematic block diagram of a background color modification sub-module in an intelligent background color adjustment system of a monolithic liquid crystal projector according to an embodiment of the present invention;
fig. 5 is a schematic block diagram of a scenario adaptive adjustment module in an intelligent ground color adjustment system of a monolithic liquid crystal projector according to an embodiment of the present invention;
FIG. 6 is a schematic block diagram of a content acquisition sub-module in an intelligent ground color adjustment system of a monolithic liquid crystal projector according to an embodiment of the present invention;
fig. 7 is a schematic block diagram of a scenario judgment sub-module in an intelligent base color adjustment system of a monolithic liquid crystal projector according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Referring to fig. 1, an embodiment of the present invention provides an intelligent ground color adjustment system of a monolithic liquid crystal projector, including:
the brightness sensing module 1 is used for sensing the light intensity of the current projection environment;
the background color adjusting module 2 is used for correspondingly adjusting the current background color of the projector according to the light intensity;
the working principle of the technical scheme is as follows: the brightness sensing module 1 preferably comprises a brightness sensor and other devices for sensing the light intensity of the current projection environment and sending the result to the ground color adjusting module 2, and the ground color adjusting module 2 preferably comprises a controller, a processor, a memory and other devices for correspondingly adjusting the current ground color of the projector according to the light intensity;
the beneficial effects of the technical scheme are as follows: according to the light intensity intelligence carries out the regulation of base colour luminance and base colour to the projecting apparatus, prevents when the user knows not much to the projecting apparatus, can't adjust base colour luminance and base colour by oneself to prevent to adjust the error greatly because of the people's eye, lead to the relatively poor problem of regulation effect to appear.
Referring to fig. 3, in one embodiment, the ground color adjustment module 2 includes:
a base color obtaining sub-module 21, configured to obtain, according to the light intensity, a base color type matching the current light intensity from a pre-stored light intensity-base color type library; the pre-stored light intensity-ground color type library comprises a plurality of combinations of light intensity and ground color types, wherein the ground color types comprise ground color and ground color brightness;
the base color changing sub-module 22 is configured to correspondingly adjust the current base color of the projector according to the base color type;
the working principle and beneficial effects of the technical scheme are as follows: the ground color adjusting module 2 comprises a ground color obtaining sub-module 21 and a ground color changing sub-module 22, wherein the ground color obtaining sub-module 21 preferably comprises a processor, a memory and other devices, and is used for obtaining a ground color type matched with the current light intensity from a pre-stored light intensity-ground color type library in the memory according to the received light intensity; the pre-stored light intensity-ground color type library comprises a plurality of combinations of light intensity and ground color types, wherein the ground color types comprise ground color colors and ground color brightness, and further, the ground color in the pre-stored light intensity-ground color type library is usually white or gray; the base color changing sub-module 22 preferably comprises a controller, a processor, a memory and the like, and is used for correspondingly adjusting the current base color of the projector according to the base color type; obviously, all devices related in the specification can be shared by the same names, and compared with real-time calculation, the intelligent base color adjusting system can quickly determine the base color type and correspondingly adjust the base color type in a pre-stored mode.
Referring to fig. 4, in one embodiment, the base color changing sub-module 22 includes:
a parameter matching unit 221, configured to obtain, according to the base color type, a control parameter matching with the current base color type from a pre-stored base color type-control parameter library;
a control adjustment unit 222, configured to control the color mixing device of the projector to perform corresponding adjustment according to the control parameter;
the working principle and beneficial effects of the technical scheme are as follows: the base color changing sub-module 22 includes a parameter matching unit 221 and a control adjusting unit 222, where the parameter matching unit 221 preferably includes a processor, a memory, and other devices, and is configured to obtain, according to the base color type, a control parameter matching the current base color type from a base color type-control parameter library pre-stored in the memory, and send the control parameter to the control adjusting unit 222, and the control adjusting unit 222 preferably includes a controller, and other devices, and is configured to control, according to the control parameter, a color matching device of the projector to perform corresponding adjustment, where the color matching device preferably includes a front polarized light color matching device, a rear polarized light color matching device, a polarizer, and other devices, and one of the control methods is to control the front polarized light color matching device and the rear polarized light color matching device to rotate around the corresponding polarizer according to the control parameter, where the control methods are various, and by the above scheme, the base color of the projector can be quickly adjusted.
Referring to fig. 2, in one embodiment, an intelligent base color adjustment system of a monolithic liquid crystal projector further includes:
the ground color autonomous selection module 3 is used for providing pre-stored ground color types for users to select and sending the ground color types selected by the users to the ground color adjustment module for corresponding adjustment;
the working principle and beneficial effects of the technical scheme are as follows: the ground color autonomous selection module 3 preferably comprises a display panel, a processor, a memory and other devices, wherein the display panel is used for displaying pre-stored ground color types for users to select, the memory is used for pre-storing the ground color types, the processor is used for sending the ground color types selected by the users to the ground color adjustment module for corresponding adjustment, and through the ground color autonomous selection module 3, a customer can rapidly select required ground colors according to own needs, compared with a manual rotation adjustment mode, the mode of the user without one-to-one adjustment of the tested ground color types is more suitable for most users through the mode of the display panel selection, further, a fixing function is set, and after the ground color autonomous selection module 3 determines the ground color types, the ground color types are fixed until the user manually releases the fixed ground colors.
Referring to fig. 2, in one embodiment, an intelligent base color adjustment system of a monolithic liquid crystal projector further includes:
the scenario self-adaptive adjusting module 4 is used for acquiring the background color adjusting amplitude corresponding to the scenario type according to the scenario type of the projection content; the background color adjustment amplitude type comprises up-regulating background color brightness and down-regulating background color brightness;
the background color adjusting module 2 is further configured to, when receiving the background color adjusting amplitude, perform corresponding amplitude adjustment on the current background color of the projector according to the background color adjusting amplitude;
the working principle of the technical scheme is as follows: the scenario self-adaptive adjusting module 4 preferably comprises a controller, a processor, a memory, acquisition equipment and other devices, wherein the processor selects a preset background color adjusting amplitude corresponding to the scenario type in the memory according to the scenario type of the acquired projection content and sends the background color adjusting amplitude to the background color adjusting module 2, and when the background color adjusting module 2 receives the background color adjusting amplitude, the background color adjusting amplitude adjusts the current background color of the projector according to the background color adjusting amplitude, wherein the background color adjusting amplitude type comprises up-adjustment background color brightness and down-adjustment background color brightness, and the specific adjusting multiple is determined according to the scenario type;
the beneficial effects of the technical scheme are as follows: in practical situations, the horror film is often used for improving the viewing experience and horror effect, in the film making process, a form of adjusting shooting light is adopted to enable the whole film to have the horror effect, the practical result is that the horror effect achieves the expectation, but compared with other non-horror films, the horror film has lower brightness when being shown than other non-horror films, the horror film has lower projection brightness than other non-horror films when being shown under the same light intensity of the outside and the same projector ground color brightness, the definition of the horror film is easily caused to be lower when the projector ground color is determined only according to the ambient light intensity, the viewing experience of a user is influenced, and through the plot self-adaptive adjusting module, the current ground color is adjusted appropriately according to the plot type of the content played by the projector under the foundation of the ambient light intensity, so that the ground color brightness of the broadcasting film is improved in a targeted way, and the viewing experience of the user is beneficial.
Referring to fig. 5, in one embodiment, scenario adaptive adjustment module 4 includes:
a content acquisition sub-module 41 for acquiring the projection content of the current projector;
a scenario judgment sub-module 42, configured to judge and obtain a scenario type of the projection content according to the projection content;
an adjustment amplitude obtaining sub-module 43, configured to obtain, according to the scenario type, an adjustment amplitude of the base color matching the current scenario type from a pre-stored scenario type-base color adjustment amplitude library;
an output sub-module 44 for outputting the base color adjustment amplitude to the base color adjustment module 2;
the working principle and beneficial effects of the technical scheme are as follows: the scenario adaptive adjustment module 4 includes a content acquisition sub-module 41, a scenario judgment sub-module 42, an adjustment amplitude acquisition sub-module 43, and an output sub-module 44, where the content acquisition sub-module 41 preferably includes a processor, an acquisition device, and other devices for acquiring the projection content of the current projector, and sending the projection content to the scenario judgment sub-module 42, the scenario judgment sub-module 42 preferably includes a processor and other devices for judging and obtaining the scenario type of the projection content according to the projection content, and sending the projection type to the adjustment amplitude acquisition sub-module 43, and the adjustment amplitude acquisition sub-module 43 preferably includes a processor, a memory, and other devices for obtaining, according to the scenario type, a base color adjustment amplitude matching the current scenario type from a pre-stored scenario type-base color adjustment amplitude library, and sending the base color adjustment amplitude to the output sub-module 44, where the output sub-module 44 is configured to output the base color adjustment amplitude to the base color adjustment module 2, through which the projection type of the projection content can be quickly acquired, and sending the projection type to the base color adjustment module for subsequent operations.
Referring to fig. 6, in one embodiment, the content acquisition sub-module 41 includes:
a picture acquisition unit 411 for acquiring a projection picture of the current projector; the projection picture is a display picture of the projected surface;
a sound acquisition unit 412 for acquiring sound information of the current projection environment; the sound information is audio information after denoising operation is carried out on the original sound;
the working principle of the technical scheme is as follows: the content acquisition sub-module 41 includes a screen acquisition unit 411 and a sound acquisition unit 412, wherein the screen acquisition unit 411 preferably includes a screen acquisition device, a processor, and the like, for acquiring a projection screen of the current projector; the projection picture is a display picture of the projected surface; the acquisition method is that the picture acquisition equipment is preferably aimed at the projected surface, and the acquired picture is subjected to useless picture cutting to obtain a projected picture; the sound acquisition unit 412 preferably includes a sound acquisition device, a processor, and the like, for acquiring sound information of the current projection environment; the sound information is audio information after the original sound is subjected to denoising operation, and the denoising operation comprises operations such as voice elimination, noise reduction and the like; still further, the picture acquisition unit 411 and the sound acquisition unit 412 may be acquired by the same apparatus; through the scheme, projection images and sound information are collected, reliable data are provided for subsequent operation, and accuracy of judgment of the scenario is improved.
Referring to fig. 7, in one embodiment, the scenario determination sub-module 42 includes:
a first judging unit 421 for judging the scenario type of the projected content according to the projected picture of the current projected content to obtain a first judging result;
a second judging unit 422, configured to judge a scenario type of the projected content according to the projected picture and the sound information of the current projected content, to obtain a second judgment result;
a determining unit 423, configured to determine whether the first determination result and the second determination result are the same, and if they are the same, output the first determination result;
the working principle of the technical scheme is as follows: the scenario judgment sub-module 42 includes a first judgment unit 421, a second judgment unit 422, and a judgment unit 423, where the first judgment unit 421 preferably includes a processor and other devices, and is configured to judge a scenario type of the projected content according to a projection screen of the current projected content, so as to obtain a first judgment result; the second breaking unit 422 preferably includes a processor and other devices for determining a scenario type of the projected content according to the projected image and sound information of the current projected content to obtain a second determination result, and the determining unit 423 preferably includes a processor and other devices for determining whether the first determination result and the second determination result are the same, and if they are the same, outputting the first determination result, and further if they are not the same, not outputting any result; by the scheme, the scenario type of the projection content is judged according to the projection picture and the projection sound, so that the judgment accuracy is improved, and the accuracy of the background color adjustment amplitude is improved in the follow-up operation.
In one embodiment, the first judging unit 421 performs operations including:
after the projection content starts, after a preset first time, receiving all frames of first projection pictures of the current projection content acquired by the content submodule 41 in the preset first time;
carrying out text recognition on a preset area of a first projection picture of each frame to obtain a first recognition text;
screening out the fixed nouns in the first recognition text based on a pre-stored fixed noun library to obtain a second recognition text;
screening out the names of people in the second recognition text based on a pre-trained name recognition model to obtain a third recognition text;
screening out empty recognition texts in all the third recognition texts, and establishing a fourth recognition text set;
judging whether the words which are the same as the pre-stored horror type word library exist in each third identification text in the fourth identification text set or not based on the pre-stored horror type word library, if yes, marking the third identification text with horror labels, and if not, marking the third identification text with non-horror labels;
counting the number of the third recognition texts with the horror labels and the number of all the third recognition texts in the fourth recognition text set respectively to obtain a first number and a second number;
if the ratio of the first quantity to the second quantity is not smaller than the occurrence ratio of the preset terrorist words, judging that the scenario type of the projection content is the terrorist type as a first judgment result;
if the ratio of the first quantity to the second quantity is smaller than the occurrence ratio of the preset terrorist words, judging that the scenario type of the projection content is the non-terrorist type as a first judgment result;
the working principle of the technical scheme is as follows: when the projector starts playing the picture, the content sub-module 41 collects the projection picture, and after a preset first time, the content sub-module 41 transmits the collected content to the first judgment unit 421 in real time, wherein the preset first time is setThe time is preferably 2 and half, the film and television work is usually not more than 2 and half, the theme, namely the name, of the film and television work is usually revealed after the film and television work is finished, and after receiving all frames of first projection pictures of the current projection content collected by the content submodule 41 in the preset first time, the first judging unit 421 carries out text recognition on the preset area of the first projection picture of each frame to obtain a first recognition text; the preset area is preferably the middle area of the projection interface, and usually the name of the film and television work exists in the middle; screening out the fixed nouns in the first recognition text based on a pre-stored fixed noun library to obtain a second recognition text; wherein, the words in the pre-stored fixed name word stock include but are not limited to: producer, director, etc. words and semantic-less words, such as: and the like; screening out the names of people in the second recognition text based on a pre-trained name recognition model to obtain a third recognition text; the scheme is used for removing the non-subject text existing in the preset area, and is beneficial to improving the subject detection accuracy; screening out empty recognition texts in all the third recognition texts, and establishing a fourth recognition text set; judging whether the words which are the same as the pre-stored horror type word library exist in each third identification text in the fourth identification text set or not based on the pre-stored horror type word library, if yes, marking the third identification text with horror labels, and if not, marking the third identification text with non-horror labels; wherein the vocabulary present in the pre-stored terrorist vocabulary library includes, but is not limited to: vocabularies such as ghost, zombie, murder and the like; counting the number of the third recognition texts with the horror labels and the number of all the third recognition texts in the fourth recognition text set respectively to obtain a first number and a second number; if the ratio of the first quantity to the second quantity is not smaller than the occurrence ratio of the preset terrorist words, judging that the scenario type of the projection content is the terrorist type as a first judgment result; if the ratio of the first number to the second number is smaller than the occurrence ratio of the preset terrorist words, the first judgment result is that the scenario type of the projection content is a non-terrorist type, and the calculation method is preferably as follows:
wherein F is 1 P is the first judgment result 1 For a first number, p 2 For the second number, α is a predetermined terrorist word occurrence ratio, which is preferably 50%;
the beneficial effects of the technical scheme are as follows: the topic type of the projection content of the whole part is obtained through preliminary judgment by detecting topic names appearing in the film head, a data basis is provided for the topic type of the projection content of the whole part to be judged subsequently, and the accuracy of judgment of the scenario type of the projection content is improved.
In one embodiment, after the first judgment unit 421 judges that the judgment is completed, the second judgment unit 422 performs operations including:
receiving all frames of second projection pictures and continuous sound information of the current projection content acquired by the content sub-module 41 in a preset second time;
carrying out face recognition on the second projection picture of each frame to obtain a plurality of face images;
carrying out expression recognition on a plurality of face images to obtain a plurality of face recognition expressions;
based on a preset expression classification rule, classifying a plurality of face recognition expressions into panic expressions and non-panic expressions;
counting the number of the panic expressions and the non-panic expressions in the second projection picture of each frame respectively to obtain a third number and a fourth number;
if the ratio of the third quantity to the sum of the third quantity and the fourth quantity is not smaller than the preset panic expression occurrence ratio, judging that the current second projection picture is a horror picture;
if the ratio of the third quantity to the sum of the third quantity and the fourth quantity is smaller than the preset panic expression occurrence ratio, judging that the current second projection picture is a non-terrorist picture;
respectively counting the fifth number and the sixth number of all the second projection pictures in the preset second time as horror pictures and non-horror pictures;
if the ratio of the fifth quantity to the sum of the fifth quantity and the sixth quantity is not smaller than the occurrence ratio of the preset horror pictures, judging that the picture judgment result is that the projection picture of the projection content is of horror type;
if the ratio of the fifth quantity to the sum of the fifth quantity and the sixth quantity is smaller than the occurrence ratio of the preset horror pictures, judging that the picture judgment result is that the projection picture of the projection content is of a non-horror type;
and, a step of, in the first embodiment,
performing music similarity recognition on the continuous sound information and all the pieces of music in the pre-stored horror pure music library to obtain first similarity of the continuous sound information and all the pieces of music in the pre-stored horror pure music library;
if the first similarity is larger than a preset threshold, judging that the sound judgment result is that the sound information of the projection content is of the horror type;
if the first similarity is not greater than a preset threshold, judging that the sound judgment result is that the sound information of the projection content is of a non-terrorism type;
and, a step of, in the first embodiment,
judging whether the picture judging result and the sound judging result are the same;
if the judgment result is the same, judging that the scenario type of the projection content is the horror type;
if the judgment result is different, judging that the scenario type of the projection content is a non-terrorism type;
the working principle of the technical scheme is as follows: when the first judging unit 421 judges that the second judging unit 422 receives the second projection images and the continuous sound information of all frames of the current projection content acquired by the content submodule 41 within the preset second time, the starting point of the preset second time is preferably the end point of the preset first time, and the preset second time is preferably 15min; firstly, judging pictures, and firstly, carrying out face recognition on a second projection picture of each frame to obtain a plurality of face images; carrying out expression recognition on a plurality of face images to obtain a plurality of face recognition expressions; based on a preset expression classification rule, classifying a plurality of face recognition expressions into panic expressions and non-panic expressions; the preset expression classification rules preferably classify negative expressions such as panic, fear and fear as panic expressions, and positive expressions such as laughing, pleasure and happiness as non-panic expressions; respectively counting the second projection of each frameThe number of the panic expressions and the non-panic expressions in the picture is obtained to obtain a third number and a fourth number; if the ratio of the third quantity to the sum of the third quantity and the fourth quantity is not smaller than the preset panic expression occurrence ratio, judging that the current second projection picture is a horror picture; wherein the occurrence proportion of the preset frightening expression is preferably 50%; if the ratio of the third quantity to the sum of the third quantity and the fourth quantity is smaller than the preset panic expression occurrence ratio, judging that the current second projection picture is a non-terrorist picture; respectively counting the fifth number and the sixth number of all the second projection pictures in the preset second time as horror pictures and non-horror pictures; if the ratio of the fifth quantity to the sum of the fifth quantity and the sixth quantity is not smaller than the occurrence ratio of the preset horror pictures, judging that the picture judgment result is that the projection picture of the projection content is of horror type; if the ratio of the fifth quantity to the sum of the fifth quantity and the sixth quantity is smaller than the occurrence ratio of the preset horror pictures, judging that the picture judgment result is that the projection picture of the projection content is of a non-horror type; the calculation method is preferably as follows:
wherein f 1 P as a result of picture judgment 5 A fifth number, P 6 For the sixth number, β is a preset terrorist picture occurrence ratio, and the preset terrorist picture occurrence ratio is preferably 50%; then, sound judgment is carried out, firstly, music similarity recognition is carried out on the continuous sound information and all the pieces of music in the pre-stored horror pure music library, and the first similarity between the continuous sound information and all the pieces of music in the pre-stored horror pure music library is obtained; the pre-stored horror pure music library stores most hot thrill pure music on the network; if the first similarity is larger than a preset threshold, judging that the sound judgment result is that the sound information of the projection content is of the horror type; if the first similarity is not greater than a preset threshold, judging that the sound judgment result is that the sound information of the projection content is of a non-terrorism type; the continuous sound remaining after the voice information is removed from the human voice and the noise may contain pure music of various horror types, so the method for obtaining the first similarity between the continuous sound information and all the pieces of music in the pre-stored horror pure music library is preferably as follows: by usingCarrying out weighted summation calculation on continuous sound information and the initial similarity of each piece of music in a pre-stored horror pure music library to obtain first similarity, wherein the weight ratio is associated with the initial similarity, namely the higher the weight ratio of the initial similarity is, the weight ratio is automatically generated according to the pre-stored weight ratio library based on the quantity of the initial similarity, and the sum of all the weight ratios is one; finally, judging whether the picture judging result and the sound judging result are the same; if the judgment result is the same, judging that the scenario type of the projection content is the horror type; if the judgment result is different, judging that the scenario type of the projection content is a non-terrorism type;
the beneficial effects of the technical scheme are as follows: the method has the advantages that through joint detection of the occurrence frequency of the frightening expression in the projection content and whether the frightening music exists at the same time, the theme type of the projection content of the whole part is obtained through secondary judgment, a data basis is provided for the follow-up judgment of the theme type of the projection content of the whole part, and the accuracy of judgment of the scenario type of the projection content is improved.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (3)
1. An intelligent ground color adjustment system for a monolithic liquid crystal projector, comprising:
the scenario self-adaptive adjusting module is used for acquiring the background color adjusting amplitude corresponding to the scenario type according to the scenario type of the projection content; wherein the background color adjustment amplitude type comprises up-adjusting background color brightness and down-adjusting background color brightness;
the base color adjusting module is further used for carrying out corresponding amplitude adjustment on the current base color of the projector according to the base color adjusting amplitude when receiving the base color adjusting amplitude;
the scenario self-adaptive adjusting module comprises:
the content acquisition sub-module is used for acquiring the projection content of the current projector;
the scenario judgment sub-module is used for judging and obtaining the scenario type of the projection content according to the projection content;
the adjustment amplitude obtaining sub-module is used for obtaining the background color adjustment amplitude matched with the current scenario type from a pre-stored scenario type-background color adjustment amplitude library according to the scenario type;
the output sub-module is used for outputting the ground color adjusting amplitude to the ground color adjusting module;
the scenario judgment submodule comprises:
the first judging unit is used for judging the scenario type of the projection content according to the projection picture of the current projection content to obtain a first judging result;
the second judging unit is used for judging the scenario type of the projection content according to the projection picture and the sound information of the current projection content to obtain a second judging result;
the judging unit is used for judging whether the first judging result and the second judging result are the same or not, and if so, outputting a first judging result;
the first judging unit performs operations including:
after the projection content starts, receiving all frames of first projection pictures of the current projection content acquired by the content submodule in preset first time after the preset first time;
performing text recognition on a preset area of the first projection picture of each frame to obtain a first recognition text;
screening out the fixed nouns in the first recognition text based on a pre-stored fixed noun library to obtain a second recognition text;
screening out the names of the persons in the second recognition text based on a pre-trained name recognition model to obtain a third recognition text;
screening all the empty recognition texts in the third recognition texts, and establishing a fourth recognition text set;
judging whether the words which are the same as the pre-stored horror type word library exist in each third identification text in the fourth identification text set or not based on the pre-stored horror type word library, if yes, marking the third identification text with a horror tag, and if not, marking the third identification text with a non-horror tag;
counting the number of the third recognition texts with the horror labels and the number of all the third recognition texts in the fourth recognition text set respectively to obtain a first number and a second number;
if the ratio of the first quantity to the second quantity is not smaller than the preset terrorist vocabulary occurrence ratio, judging that the first judgment result is that the scenario type of the projection content is the terrorist type;
if the ratio of the first quantity to the second quantity is smaller than the occurrence ratio of the preset terrorist words, judging that the scenario type of the projection content is a non-terrorist type as a first judgment result;
after the first judging unit judges that the judgment is finished, the second judging unit executes the following operations:
receiving second projection pictures and continuous sound information of all frames of the current projection content acquired by the content sub-module in a preset second time;
carrying out face recognition on the second projection picture of each frame to obtain a plurality of face images;
carrying out expression recognition on a plurality of face images to obtain a plurality of face recognition expressions;
based on a preset expression classification rule, classifying a plurality of face recognition expressions into panic expressions and non-panic expressions;
counting the number of the panic expressions and the non-panic expressions in the second projection picture of each frame respectively to obtain a third number and a fourth number;
if the ratio of the third quantity to the sum of the third quantity and the fourth quantity is not smaller than the preset panic expression occurrence ratio, judging that the current second projection picture is a horror picture;
if the ratio of the third quantity to the sum of the third quantity and the fourth quantity is smaller than the preset panic expression occurrence ratio, judging that the current second projection picture is a non-terrorist picture;
respectively counting the fifth number and the sixth number of all the second projection pictures in the preset second time as horror pictures and non-horror pictures;
if the ratio of the fifth quantity to the sum of the fifth quantity and the sixth quantity is not smaller than the preset horror picture occurrence ratio, judging that the picture judgment result is that the projection picture of the projection content is of horror type;
if the ratio of the fifth quantity to the sum of the fifth quantity and the sixth quantity is smaller than the occurrence ratio of the preset horror pictures, judging that the picture judgment result is that the projection picture of the projection content is of a non-horror type;
and, a step of, in the first embodiment,
performing music similarity recognition on the continuous sound information and all the pieces of music in a pre-stored horror pure music library to obtain first similarity of the continuous sound information and all the pieces of music in the pre-stored horror pure music library;
if the first similarity is larger than a preset threshold, judging that the sound judgment result is that the sound information of the projection content is of the horror type;
if the first similarity is not greater than a preset threshold, judging that the sound judgment result is that the sound information of the projection content is of a non-terrorism type;
and, a step of, in the first embodiment,
judging whether the picture judging result is the same as the sound judging result;
if the content is the same, judging that the scenario type of the projection content is the horror type as a second judging result;
if the content is different, judging that the scenario type of the projection content is a non-terrorist type according to the second judging result.
2. The intelligent undertone adjustment system of a monolithic liquid crystal projector of claim 1, further comprising:
the base color autonomous selection module is used for providing pre-stored base color types for users to select and sending the base color types selected by the users to the base color adjustment module for corresponding adjustment.
3. The intelligent ground tint adjustment system of a monolithic liquid crystal projector of claim 1, wherein the content acquisition submodule comprises:
a picture acquisition unit for acquiring a projection picture of the current projector; wherein the projection picture is a display picture of a projected surface;
a sound acquisition unit for acquiring sound information of a current projection environment; the sound information is audio information after denoising operation is carried out on the original sound.
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