CN115371804A - Lighting method based on virtual reality technology, head-mounted electronic equipment and storage medium - Google Patents
Lighting method based on virtual reality technology, head-mounted electronic equipment and storage medium Download PDFInfo
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- CN115371804A CN115371804A CN202211013668.0A CN202211013668A CN115371804A CN 115371804 A CN115371804 A CN 115371804A CN 202211013668 A CN202211013668 A CN 202211013668A CN 115371804 A CN115371804 A CN 115371804A
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- 238000003860 storage Methods 0.000 title claims description 8
- 238000005286 illumination Methods 0.000 claims abstract description 120
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- 238000007540 photo-reduction reaction Methods 0.000 claims abstract description 10
- 238000004590 computer program Methods 0.000 claims description 3
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/0266—Field-of-view determination; Aiming or pointing of a photometer; Adjusting alignment; Encoding angular position; Size of the measurement area; Position tracking; Photodetection involving different fields of view for a single detector
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/08—Arrangements of light sources specially adapted for photometry standard sources, also using luminescent or radioactive material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4204—Photometry, e.g. photographic exposure meter using electric radiation detectors with determination of ambient light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4228—Photometry, e.g. photographic exposure meter using electric radiation detectors arrangements with two or more detectors, e.g. for sensitivity compensation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/50—Lighting effects
- G06T15/506—Illumination models
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
- G01J2001/444—Compensating; Calibrating, e.g. dark current, temperature drift, noise reduction or baseline correction; Adjusting
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a lighting method based on a virtual reality technology, which comprises the following steps: acquiring optical signals of acquisition points through signal acquisition equipment, generating an illumination information instruction by a baseband chip according to the acquired optical signals and transmitting the illumination information instruction to a photoreduction application scene; step two: the invention realizes the collection of the illumination intensity of the external scene by arranging a plurality of photosensitive sensors on the intelligent helmet, transmits the collected illumination intensity information to the light restoration application scene, and realizes the restoration of the illumination intensity of the intelligent helmet by the light source in the light restoration application scene, so that the illumination intensity provided by the light source is matched with the external scene illumination intensity stored in the intelligent helmet, and the light restoration of the intelligent helmet in the light restoration application scene is realized.
Description
Technical Field
The invention relates to the technical field of lighting, in particular to a lighting method based on a virtual reality technology, a head-mounted electronic device and a storage medium.
Background
The existing commercially available video photometer as an auxiliary exposure device for photography and shooting can provide the optimal exposure combination (shutter, aperture, iso and EV values), no matter the incident exposure method or the reflective exposure method can not measure one exposure point at a time, and can not measure the exposure points in different directions at the same time.
In the early stage of shooting, a professional middle gray ball with the diameter of 20nr5omm (coated with 18-degree gray vision special paint and material with the reflectivity of 50%) is used for carrying out on-site light collection (shooting or recording and watching pause archiving) on a shooting site. The method is used as a reference when a three-dimensional scene is reconstructed in a later stage, illumination of a real scene can be effectively restored, the premise is that professional photographing and lighting are needed, a three-dimensional modeler and the like are in full-force cooperation, time and labor are wasted, and the cost is higher, so that an application method capable of rapidly collecting illumination intensity and restoring the collected illumination intensity is urgently needed in movie and television production.
Disclosure of Invention
The invention aims to provide a lighting method based on a virtual reality technology, which is characterized in that a plurality of photosensitive sensors are arranged on an intelligent helmet to realize the collection of the illumination intensity of an external scene, the collected illumination intensity information is transmitted to a photoreduction application scene, the photoreduction application scene realizes the reduction of the illumination intensity collection points of the intelligent helmet through a light source, the illumination intensity provided by the light source is matched with the illumination intensity of the external scene stored by the intelligent helmet, the reduction of the illumination intensity of the scene collected by the intelligent helmet is realized, the production quality and efficiency of movies are improved, and the production time cost, the learning cost and the personnel cost of movies are reduced.
The purpose of the invention can be realized by the following technical scheme:
a lighting method based on a virtual reality technology comprises the following steps:
the method comprises the following steps: acquiring an optical signal of an external scene acquisition point through signal acquisition equipment, generating an illumination information instruction by a baseband chip according to the acquired optical signal, and transmitting the illumination information instruction to a photoreduction application scene;
step two: and controlling illumination equipment in the light restoration application scene according to the illumination information instruction to realize restoration of the light restoration application scene and the illumination information in the light acquisition area in the step one.
As a further scheme of the invention: in the first step, the signal acquisition equipment acquires the illumination intensity through a plurality of photosensitive sensors in the process of acquiring the optical signal, and the signal acquisition equipment stores the illumination intensity of an acquisition point.
As a further scheme of the invention: the plurality of photosensitive sensors are respectively disposed at different regions of the apparatus main body.
As a further scheme of the invention: the equipment main body is connected with the user terminal through Bluetooth, and the collected illumination intensity information is transmitted to the user terminal to be stored.
As a further scheme of the invention: the illumination device comprises a plurality of light sources, each light source corresponds to a photosensitive sensor acquisition point on the device body, and the illumination intensity of the photosensitive sensor acquisition points on the device body is restored through the light sources.
As a further scheme of the invention: in the process of restoring the illumination intensity of the acquisition point on the equipment main body by the light source, when the photosensitive sensor of the equipment main body monitors that the illumination intensity provided by the light source is consistent with the illumination intensity stored by the signal acquisition equipment, the indicator light of the equipment main body is turned on and two reminding sounds are sounded;
when the indicator light is not on, the illumination intensity of the light source is corrected.
As a further scheme of the invention: a head-mounted electronic device, comprising:
an apparatus main body;
the indicating lamp and the signal acquisition equipment are electrically connected with the processor; the signal acquisition equipment acquires the illumination intensity of the acquisition point, generates an illumination intensity signal and sends the illumination intensity signal to the processor, and the processor stores the corresponding illumination intensity and sends the illumination intensity signal to the photoreduction application scene after receiving the illumination intensity signal
As a further scheme of the invention: the signal acquisition equipment comprises an attitude sensor, the attitude sensor detects the current attitude of the equipment main body, and the processor controls the position adjustment of an acquisition point of the equipment main body according to the attitude data detected by the attitude sensor;
the signal acquisition equipment still includes the clock, the clock with treater electric connection, the clock is used for the timing, the treater is used for setting up signal acquisition equipment's operating time period to according to the timing of clock and the operating time period control that sets up whether signal acquisition equipment works, and carry out the record to illumination intensity collection duration.
As a further scheme of the invention: the equipment main body is an intelligent helmet.
As a further scheme of the invention: a computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, is adapted to carry out the lighting method as described above.
The invention has the beneficial effects that: according to the invention, the photosensitive sensors are arranged on the intelligent helmet, so that the collection of the illumination intensity of the external scene is realized, the collected illumination intensity information is transmitted to the photoreduction application scene, the photoreduction application scene realizes the reduction of the illumination intensity collection points of the intelligent helmet through the light source, the illumination intensity provided by the light source is matched with the illumination intensity of the external scene stored by the intelligent helmet, the reduction of the illumination intensity of the scene collected by the intelligent helmet is realized, the use is convenient, the operation is rapid, the operation is simple (no professional technology or experience is needed), the accuracy is high, the movie and television production quality and efficiency are improved, and the movie and television production time cost, the learning cost and the personnel cost are reduced.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic of a flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A lighting method based on a virtual reality technology comprises the following steps:
the method comprises the following steps: acquiring an optical signal of an external scene acquisition point through signal acquisition equipment, generating an illumination information instruction according to the acquired optical signal by a baseband chip, and transmitting the illumination information instruction to a photoreduction application scene;
the system comprises a signal acquisition device, a signal processing device and a control device, wherein the signal acquisition device acquires illumination intensity through four photosensitive sensors in the process of acquiring an optical signal, and the signal acquisition device stores the illumination intensity of an acquisition point;
the four photosensitive sensors are respectively arranged in different areas of the equipment main body;
step two: controlling illumination equipment in the light restoration application scene according to the illumination information instruction to realize restoration of the light restoration application scene and the illumination information in the light acquisition area in the first step;
the illumination device comprises a plurality of light sources, each light source corresponds to a photosensitive sensor acquisition point on the device main body, and the illumination intensity of the photosensitive sensor acquisition points on the device main body is restored through the light sources;
in the process of restoring the illumination intensity of the acquisition point on the equipment main body by the light source, when the photosensitive sensor of the equipment main body monitors that the illumination intensity provided by the light source is consistent with the external scene illumination intensity stored by the signal acquisition equipment, the indicator light of the equipment main body is turned on and two reminding sounds are sounded;
when the indicator light is not on, the illumination intensity of the light source is corrected.
In another specific embodiment, the device body is connected with the user terminal through bluetooth, and the collected illumination intensity information is transmitted to the user terminal for storage.
In another specific embodiment, in the second step, the light restoration application scenario includes, according to the restoration process of the illumination information in the light collection area:
z1: establishing an interior illumination reduction area (studio), placing the intelligent helmet in the studio, and arranging a plurality of light sources (LED lamps) in the studio;
z2: each light source corresponds to one illumination intensity acquisition point of the intelligent helmet, and the light source is directly irradiated to the illumination intensity acquisition point;
z3: marking the four illumination intensity acquisition points as A1, A2, A3 and A4 respectively;
the light intensity of the point A1 is marked as E1;
the illumination intensity of the A2 point is marked as E2;
the illumination intensity of the point A3 is marked as E3;
the light intensity of the A4 point is marked as E4;
z4: marking a light source corresponding to the point A1 as B1, marking the light intensity directly irradiating the light intensity acquisition point as a, and marking two light intensity acquisition points adjacent to the light source and the light intensity acquisition point as B and c;
marking the light source corresponding to the point A2 as B2, marking the illumination intensity directly irradiating the illumination intensity acquisition point as B, and marking two adjacent illumination intensity acquisition points of the light source and the illumination intensity acquisition point as a and d;
marking a light source corresponding to the point A3 as a point B3, marking the illumination intensity directly irradiating the illumination intensity acquisition point as d, and marking two adjacent illumination intensity acquisition points of the light source and the illumination intensity acquisition point as B and c;
marking a light source corresponding to the point A4 as a point B4, marking the illumination intensity directly irradiating the illumination intensity acquisition points as a point c, and marking two adjacent illumination intensity acquisition points of the light source and the illumination intensity acquisition points as a point B;
z5: by the formula:
E1＝a+K(b+c)；
E2＝b+K(a+d)；
E3＝d+K(b+c)；
E4＝c+K(a+d)；
calculating the illumination intensity of each light source so as to realize the reduction of the illumination intensity collected by the intelligent helmet in the internal scene illumination reduction area;
recording the distance between the light source and the illumination intensity acquisition point of the intelligent helmet as K1, recording the vertical distance between the illumination intensity acquisition point and the adjacent illumination intensity acquisition point on the intelligent helmet as K2, and calculating the distance according to a formula
The value of K is cos θ.
The intelligent terminal controls the photosensitive sensor to acquire multi-angle illumination information and transmits acquired data to the intelligent terminal for backup.
In another specific embodiment, in step two, the restoration process of the light restoration application scene according to the illumination information in the light collection area is as follows:
s1: establishing an interior illumination reducing area (photostudio), establishing a light array in the interior illumination reducing area, mounting a plurality of LED lamps on the light array, and realizing illumination for the interior illumination reducing area through a plurality of LED lamps;
s2: the inner scene illumination reduction area respectively analyzes and processes the illumination information acquired by each photosensitive sensor through a spectrum analyzer to obtain the illumination-emphasized spectrum information acquired by the photosensitive sensors at different positions;
s3: each photosensitive sensor corresponds to five LED lamps, one LED lamp is a main spotlight facing a collecting point of the photosensitive sensor, the other four LED lamps take the LED lamp as a center to form an arc-shaped surface after concave stretching, and reduction of the illumination emphasis of the collecting point of the photosensitive sensor is realized.
In S3, the reduction process of the illumination intensity of the acquisition point of the photosensitive sensor is as follows:
s31: the main spotlight optimizes spectral distribution according to spectral information transmitted by the photosensitive sensor, and optimizes the illumination intensity emitted by the main spotlight to the illumination intensity monitored by the photosensitive sensor;
s32: determining a waveband to be optimized of the injection lamp according to the spectral distribution of the injection lamp and spectral information transmitted by the photosensitive sensor;
s33: selecting an auxiliary spotlight according to a band to be optimized, and lighting the injection spotlight and the auxiliary spotlight according to a preset luminous flux ratio of the injection spotlight and the auxiliary spotlight;
s34: the spectral distribution of the light-injection lamp and the auxiliary lamp is adjusted, the combined spectrum of the light-injection lamp and the auxiliary lamp is optimized, and the spectrum approaching to the spectrum transmitted by the photosensitive sensor is obtained, so that the reduction of the illumination intensity is realized.
Example 2
A head-mounted electronic device, comprising:
an apparatus main body;
the indicating lamp and the signal acquisition equipment are electrically connected with the processor; the signal acquisition equipment acquires the corresponding illumination intensity, generates an illumination intensity signal and sends the illumination intensity signal to the processor, and the processor stores the corresponding illumination intensity and sends the illumination intensity signal to the photoreduction application scene after receiving the illumination intensity signal.
The signal acquisition equipment further comprises an attitude sensor, the attitude sensor detects the current attitude of the equipment main body, and the processor controls the position adjustment of the acquisition point of the equipment main body according to the attitude data detected by the attitude sensor;
the signal acquisition equipment also comprises a clock, the clock is electrically connected with the processor, the clock is used for timing, the processor is used for setting the working period of the signal acquisition equipment, controlling whether the signal acquisition equipment works or not according to the timing of the clock and the set working period, and recording the illumination intensity acquisition duration;
the signal acquisition device further comprises an oled screen operable to display real-time illumination intensity.
Specifically, the equipment main part is the helmet, specifically is an intelligent helmet.
Example 3
A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, is adapted to carry out the above-mentioned lighting method.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. A lighting method based on a virtual reality technology is characterized by comprising the following steps:
the method comprises the following steps: acquiring an optical signal of an external scene acquisition point through signal acquisition equipment, generating an illumination information instruction by a baseband chip according to the acquired optical signal, and transmitting the illumination information instruction to a photoreduction application scene;
step two: and controlling illumination equipment in the light restoration application scene according to the illumination information instruction to realize restoration of the light restoration application scene and the illumination information in the light acquisition area in the first step.
2. The lighting method according to claim 1, wherein in the first step, the signal collecting device collects the light intensity through a plurality of photosensitive sensors during the light signal acquisition process, and the signal collecting device stores the light intensity at the collecting point.
3. The virtual reality technology based lighting method according to claim 2, wherein the plurality of light-sensitive sensors are respectively disposed in different regions of the apparatus body.
4. The lighting method according to claim 3, wherein the device body is connected to the user terminal via Bluetooth, and the collected light intensity information is transmitted to the user terminal for storage.
5. The lighting method according to claim 2, wherein the lighting device comprises a plurality of light sources, each light source corresponds to a light sensor collecting point on the device body, and the light source is used to restore the lighting intensity of the light sensor collecting point on the device body.
6. The lighting method based on the virtual reality technology according to claim 5, wherein in the process of restoring the illumination intensity of the collection point on the device body by the light source, when the photosensitive sensor of the device body monitors that the illumination intensity provided by the light source matches the illumination intensity of the external scene stored by the signal collection device, the device body indicator lights up and sounds two reminding sounds;
when the indicator light is not on, the illumination intensity of the light source is corrected.
7. A head-mounted electronic device, comprising:
an apparatus main body;
the indicating lamp and the signal acquisition equipment are electrically connected with the processor; the signal acquisition equipment acquires the illumination intensity of the acquisition point, generates an illumination intensity signal and sends the illumination intensity signal to the processor, and the processor stores the corresponding illumination intensity and sends the illumination intensity signal to the light restoration application scene after receiving the illumination intensity signal.
8. The head-mounted electronic device according to claim 7, wherein the signal acquisition device comprises an attitude sensor, the attitude sensor detects a current attitude of the device body, and the processor controls acquisition point position adjustment of the device body according to the attitude data detected by the attitude sensor;
the signal acquisition equipment further comprises a clock, the clock is electrically connected with the processor and used for timing, the processor is used for setting the working time period of the signal acquisition equipment, controlling whether the signal acquisition equipment works or not according to the timing of the clock and the set working time period and recording the illumination intensity acquisition duration;
the signal acquisition device further comprises an oled screen operable to display real-time illumination intensity.
9. A head-mounted electronic device as recited in claim 7, wherein the device body is a smart helmet.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, is adapted to carry out the daylighting method according to any one of claims 1 to 6 above.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211013668.0A CN115371804A (en) | 2022-08-23 | 2022-08-23 | Lighting method based on virtual reality technology, head-mounted electronic equipment and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211013668.0A CN115371804A (en) | 2022-08-23 | 2022-08-23 | Lighting method based on virtual reality technology, head-mounted electronic equipment and storage medium |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847023A (en) * | 2010-06-12 | 2010-09-29 | 北京富通永泰国际贸易有限公司 | Method and device for controlling indoor light |
| CN103678730A (en) * | 2013-12-30 | 2014-03-26 | 深圳Tcl新技术有限公司 | Method and device for acquiring photosensitive sensor data |
| CN208113021U (en) * | 2018-02-08 | 2018-11-16 | 深圳前海零距物联网科技有限公司 | A kind of intelligent headset equipment and system with automatic sensing light |
| CN109636860A (en) * | 2018-01-05 | 2019-04-16 | 马惠岷 | Illumination patterns estimation and replay method and the device of image |
-
2022
- 2022-08-23 CN CN202211013668.0A patent/CN115371804A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847023A (en) * | 2010-06-12 | 2010-09-29 | 北京富通永泰国际贸易有限公司 | Method and device for controlling indoor light |
| CN103678730A (en) * | 2013-12-30 | 2014-03-26 | 深圳Tcl新技术有限公司 | Method and device for acquiring photosensitive sensor data |
| CN109636860A (en) * | 2018-01-05 | 2019-04-16 | 马惠岷 | Illumination patterns estimation and replay method and the device of image |
| CN208113021U (en) * | 2018-02-08 | 2018-11-16 | 深圳前海零距物联网科技有限公司 | A kind of intelligent headset equipment and system with automatic sensing light |
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