CN101917801A - A light adjustment method, device and intelligent desk lamp - Google Patents

Abstract

The embodiment of the present invention discloses a light adjustment method, which includes: collecting images of users in a predetermined period; performing isochromatic processing on the collected images to obtain characteristic information of the images; according to the characteristic information of the images, Adjust light exposure in real time. The embodiment of the invention also discloses a light adjusting device and an intelligent desk lamp. The light adjustment device includes: a collection unit, used to collect images of users in a predetermined cycle; a processing unit, used to perform equichromatic processing on the images collected by the collection unit to obtain feature information of the images; a real-time adjustment unit , for adjusting the light irradiation situation in real time according to the feature information of the image obtained by the processing unit. By adopting the present invention, real-time and automatic adjustment of light irradiation conditions can be performed according to the user's image characteristics, thereby improving user experience.

Description

A light adjustment method, device and intelligent desk lamp

technical field

The invention relates to the technical field of digital home appliances and smart home, in particular to a light adjustment method, device and smart desk lamp.

Background technique

With the development of science and technology, people have higher and higher requirements for the quality of life, and more and more hope that the equipment will be intelligent to improve people's life efficiency. Desk lamp is requisite light equipment in daily work and study, and it has brought very big convenience to people's life.

Because desk lamps have always had the defect of uneven light exposure range, therefore, the adjustment of the light exposure of desk lamps is a relatively common process. The existing desk lamp adjustment schemes are mainly as follows: When viewing content far away from the light irradiation range of the desk lamp, the light irradiation of the desk lamp is relatively dark. At this time, the user needs to manually adjust the light irradiation of the desk lamp; When viewing content, the light irradiation of the desk lamp is relatively bright. At this time, the user also needs to manually adjust the light irradiation of the desk lamp.

In the process of implementing the present invention, the inventor found that the existing light adjustment scheme of desk lamp needs to manually adjust the light irradiation situation, and cannot automatically adjust the light in real time according to the user's viewing direction, and the user experience is not high.

Contents of the invention

The technical problem to be solved by the embodiments of the present invention is to provide a light adjustment method, device, and smart desk lamp, which can perform real-time and automatic adjustment of the light irradiation situation according to the user's image characteristics (such as: the user's viewing direction and other characteristics of the photographed user) , to improve user experience.

In order to solve the above technical problems, an embodiment of the present invention provides a light adjustment method, including:

Collect images of the user according to a predetermined cycle;

performing isochromatic processing on the collected image to obtain feature information of the image;

According to the characteristic information of the image, the irradiation condition of the light is adjusted in real time.

Wherein, performing isochromatic processing on the collected image to obtain feature information of the image includes: performing pixel screening on the collected image according to a predetermined value to obtain an isochromatic map of the image; The isochromatic map is analyzed to obtain the feature information of the image.

Wherein, the real-time adjustment of light irradiation according to the characteristic information of the image includes: calculating the degree of deviation and brightness of light adjustment according to the characteristic information of the image; adjusting the degree of light adjustment in real time according to the degree of deviation and brightness. Exposure situation.

Before the acquisition of the user's image according to the predetermined period, it also includes: presetting the image acquisition period, and presetting the pixel screening value.

Correspondingly, an embodiment of the present invention also provides a light adjustment device, including:

an acquisition unit, configured to acquire images of the user at a predetermined period;

A processing unit, configured to perform isochromatic processing on the image collected by the collection unit to obtain feature information of the image;

The real-time adjustment unit is configured to adjust the light irradiation situation in real time according to the feature information of the image obtained by the processing unit.

Wherein, the processing unit includes:

a screening unit, configured to perform pixel screening on the collected image according to a predetermined value to obtain an isochromatic map of the image;

The analysis and processing unit is configured to analyze the isochromatic map obtained by the screening unit to obtain feature information of the image.

Wherein, the real-time adjustment unit includes:

a calculation unit, configured to calculate the degree of deviation and brightness of the light adjustment according to the characteristic information of the image obtained by the processing unit;

The adjustment unit is used to adjust the light irradiation situation in real time according to the degree of deviation and brightness obtained by the calculation unit.

Wherein, the device further includes: a storage unit, which is used for storing a preset image acquisition cycle and a preset value for pixel screening.

Correspondingly, an embodiment of the present invention also provides a smart desk lamp, including: the above-mentioned light adjustment device.

Implementing the embodiment of the present invention has the following beneficial effects:

The embodiment of the present invention collects the user's image (such as: the user's head portrait) according to a predetermined period, and by analyzing the image, obtains the characteristic information of the image (including: the direction information of the eyes), and then automatically adjusts the light in real time according to the characteristic information. The light exposure situation avoids the user's manual adjustment of the light exposure situation and improves the user experience.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic structural view of the first embodiment of the light adjustment device of the present invention;

2 is a schematic structural view of a second embodiment of the light adjustment device of the present invention;

FIG. 3 is a schematic structural view of an embodiment of a processing unit of the present invention;

FIG. 4 is a schematic structural view of an embodiment of the real-time adjustment unit of the present invention;

5 is a flowchart of the first embodiment of the light adjustment method of the present invention;

FIG. 6 is a flow chart of the second embodiment of the light adjustment method of 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.

An embodiment of the present invention provides an intelligent desk lamp, including a light adjustment device, that is, the light adjustment device is packaged in the intelligent desk lamp, which can collect the user's image, and automatically and in real time according to the user's image characteristics Adjust the light exposure of the desk lamp.

In the specific implementation, please refer to FIG. 1, which is a schematic structural diagram of the first embodiment of the light adjustment device of the present invention; the device includes:

An acquisition unit 10, configured to acquire images of the user at a predetermined period;

In specific implementation, the collection unit 10 can be an infrared camera, because the light of a desk lamp is not enough light for a general camera, which may affect the collection effect; since the human body can generate heat, an infrared camera can be used to better The image of the user is collected, where the image of the user generally refers to the avatar of the user when using the desk lamp.

A processing unit 20, configured to perform isochromatic processing on the image collected by the collection unit 10 to obtain feature information of the image;

In the specific implementation, since the image is composed of pixels, each pixel has a value, and the pixels are screened every certain value, and the non-conforming pixels are removed to form the isochromatic map of the image. The above process is For isochromatic processing. The processing unit 20 performs isochromatic processing on the collected image to obtain an isochromatic map, and further, the processing unit 20 analyzes the isochromatic map to obtain feature information of the image.

The specific analysis process is as follows: Since the two eyes of a person are recessed relative to the face of the person, the two eyes of the person will form a swirl-shaped figure in the equal color map. When analyzing the equal color map, it will be found that this The isovalue line of the isochromatic map will gather points to several points, which are the eyes, mouth and nose of the person respectively. The processing unit 20 performs repeated detection in the horizontal direction on the isochromatic map, and it can be found that only the human eyes They are on the same straight line and relatively far apart, so the two points are the two eyes of a person, and the determined points of the two eyes can reflect characteristic information such as the direction in which the user is looking.

The real-time adjustment unit 30 is configured to adjust the light irradiation situation in real time according to the feature information of the image obtained by the processing unit 20 .

In a specific implementation, the real-time adjustment unit 30 obtains the intersection point of the two points and each contour line according to the feature information of the image obtained by the processing unit 20, that is, the obtained two points corresponding to the human eyes, and then calculates the corresponding The distance between adjacent intersection points is then compared with the weights of each isovalue line, and finally the average value is calculated using the ratio of each intersection point to obtain the light deviation and brightness required by the user at this time; further, the real-time adjustment unit 30 according to The degree of deviation and brightness adjusts the lighting situation of the desk lamp in real time to adapt to the eyes of the user.

It can be understood that the above-mentioned processing unit 20 and the real-time adjustment unit 30 can be a central processing unit, which processes, analyzes and calculates images, and finally automatically adjusts the light irradiation conditions of the console lights in real time.

The embodiment of the present invention collects the user's image (such as: the user's head portrait) according to a predetermined period, and by analyzing the image, obtains the characteristic information of the image (including: the direction information of the eyes), and then automatically adjusts the light in real time according to the characteristic information. The light exposure situation avoids the user's manual adjustment of the light exposure situation and improves the user experience.

Please refer to FIG. 2 , which is a schematic structural diagram of a second embodiment of the light adjustment device of the present invention; same as the previous embodiment, the device includes: an acquisition unit 10 , a processing unit 20 and a real-time adjustment unit 30 . In this embodiment, the device further includes:

The storage unit 40 is configured to store a preset image acquisition cycle and a preset value for pixel filtering.

In a specific implementation, the storage unit 40 can be a buffer, and the preset image acquisition period stored in it can be set according to the actual situation, such as: it can be set to 0.5 seconds, or it can be set to 1 second; in addition , the value of the pre-set pixel screening stored in it can also be set according to the actual situation, and strive to make the pixel screening more accurate, so that the isochromatic map can more clearly reflect the feature information of the image.

The embodiment of the present invention collects the user's image (such as: the user's head portrait) according to a predetermined period, and by analyzing the image, obtains the characteristic information of the image (including: the direction information of the eyes), and then automatically adjusts the light in real time according to the characteristic information. The light exposure situation avoids the user's manual adjustment of the light exposure situation and improves the user experience.

In order to describe the present invention more clearly, the processing unit in the above-mentioned light adjusting device of the present invention will be introduced in detail below.

Please refer to FIG. 3 , which is a schematic structural diagram of an embodiment of the processing unit of the present invention; the processing unit 20 includes:

A screening unit 201, configured to perform pixel screening on the collected image according to a predetermined value to obtain an isochromatic map of the image;

In the specific implementation, since the image is composed of pixels, each pixel has a value, and the pixels are screened every certain value, and the non-conforming pixels are removed to form the isochromatic map of the image. The above process is For isochromatic processing. The screening unit 201 performs isochromatic processing on the collected image according to a predetermined value to obtain an isochromatic map.

The analysis processing unit 202 is configured to analyze the isochromatic map obtained by the screening unit 201 to obtain feature information of the image.

In a specific implementation, the analysis and processing unit 202 analyzes the equal color map, so as to obtain feature information of the image. The specific analysis process is as follows: Since the two eyes of a person are recessed relative to the face of the person, the two eyes of the person will form a swirl-shaped figure in the equal color map. When analyzing the equal color map, it will be found that this The isovalue line of the isochromatic map will gather points to several points, which are the eyes, mouth and nose of the person respectively. The analysis and processing unit 202 performs repeated detection in the horizontal direction on the isochromatic map, and it can be found that only human The eyes are on the same straight line and relatively far apart, so the two points are the two eyes of a person, and the determined points of the two eyes can reflect characteristic information such as the direction in which the user is looking.

In the embodiment of the present invention, image feature information (including: information about the viewing direction of the eyes) can be obtained by analyzing the image.

In order to illustrate the present invention more clearly, the real-time adjustment unit in the light adjustment device of the present invention will be introduced in detail below.

Please refer to FIG. 4, which is a schematic structural diagram of an embodiment of the real-time adjustment unit of the present invention; the real-time adjustment unit 30 includes:

A calculation unit 301, configured to calculate the degree of deviation and brightness of the light adjustment according to the characteristic information of the image obtained by the processing unit 20;

In a specific implementation, the calculation unit 301 obtains the intersection point between the two points and each contour line according to the feature information of the image obtained by the processing unit 20, that is, the obtained two points corresponding to the human eyes, and then calculates the adjacent The distance of the intersection point is compared with the weight of each contour line, and finally the average value is calculated by using the ratio of each intersection point to obtain the light deviation and brightness required by the user at this time.

The adjustment unit 302 is configured to adjust the illumination of the light in real time according to the degree of deviation and the brightness obtained by the calculation unit 301 .

In specific implementation, an angle control motor can be used in the desk lamp to adjust the deviation degree of the light irradiation of the desk lamp, and a brightness adjuster can be used to adjust the brightness of the light irradiation of the desk lamp. The adjusting unit 302, according to the degree of deviation and brightness obtained by the calculation unit 301, controls the angle control motor to adjust the degree of deviation of the light irradiation of the desk lamp, and at the same time controls the brightness adjuster to adjust the degree of light irradiation of the desk lamp. Brightness to suit the user's eyes.

The embodiment of the present invention automatically adjusts the light irradiation situation in real time according to the characteristic information, avoids manual adjustment of the light irradiation situation by the user, and improves user experience.

In order to illustrate the present invention more clearly, the light adjustment method performed by the above light adjustment device will be described in detail below.

Please refer to FIG. 5, which is a flow chart of the first embodiment of the light adjustment method of the present invention; the method includes:

S101, collecting images of users according to a predetermined period;

In the specific implementation, the S101 can use an infrared camera, because the light of the desk lamp is not enough light for a general camera, which may affect the collection effect; because the human body will generate heat, the use of an infrared camera can better collect The image of the user, where the image of the user generally refers to the avatar of the user when using the desk lamp.

S102. Perform isochromatic processing on the collected image to obtain feature information of the image;

In the specific implementation, since the image is composed of pixels, each pixel has a value, and the pixels are screened every certain value, and the non-conforming pixels are removed to form the isochromatic map of the image. The above process is For isochromatic processing. The step S102 performs isochromatic processing on the collected image to obtain an isochromatic map, and further, the step S102 analyzes the isochromatic map, so as to obtain feature information of the image. The specific analysis process is as follows: Since the two eyes of a person are recessed relative to the face of the person, the two eyes of the person will form a swirl-shaped figure in the equal color map. When analyzing the equal color map, it will be found that this The isovalue line of the isochromatic map will gather points to several points, and these points are the eyes, mouth and nose of the person respectively. The S102 performs repeated detection in the horizontal direction on the isochromatic map, and it can be found that only the eyes of the person are in the The two points are on the same straight line and relatively far away from each other, so the two points are the two eyes of a person, and the determined points of the two eyes can reflect characteristic information such as the viewing direction of the user.

S103. According to the feature information of the image, adjust the light irradiation situation in real time.

In specific implementation, said S103 obtains the intersection point of said two points and each contour line according to the feature information of the image obtained in said S102, that is, the obtained two points corresponding to the human eye, and then calculates the distance between adjacent intersection points, Then compare it with the weights of each contour line, and finally use the ratio of each intersection to calculate the average value to obtain the deviation and brightness of the light required by the user at this time; further, the S103 adjusts in real time according to the deviation and brightness The light of the desk lamp is illuminated to suit the user's eyes.

It can be understood that both the aforementioned S102 and the aforementioned S103 may be executed by a central processing unit, which processes, analyzes and calculates the images, and finally automatically adjusts the light irradiation conditions of the console lights in real time.

The embodiment of the present invention collects the user's image (such as: the user's head portrait) according to a predetermined period, and by analyzing the image, obtains the characteristic information of the image (including: the direction information of the eyes), and then automatically adjusts the light in real time according to the characteristic information. The light exposure situation avoids the user's manual adjustment of the light exposure situation and improves the user experience.

Please refer to FIG. 6, which is a flow chart of the second embodiment of the light adjustment method of the present invention; the method includes:

S201, collecting images of users according to a predetermined period;

This step is the same as S101 in the previous embodiment, and will not be repeated here.

S202. Perform pixel screening on the collected image according to a predetermined value to obtain an isochromatic map of the image;

In the specific implementation, since the image is composed of pixels, each pixel has a value, and the pixels are screened every certain value, and the non-conforming pixels are removed to form the isochromatic map of the image. The above process is For isochromatic processing. In the step S202, after performing isochromatic processing on the collected image according to a predetermined value, an isochromatic map is obtained.

S203. Analyze the isochromatic map to obtain feature information of the image;

In a specific implementation, the step S203 analyzes the equal color map, so as to obtain the characteristic information of the image. The specific analysis process is as follows: Since the two eyes of a person are recessed relative to the face of the person, the two eyes of the person will form a swirl-shaped figure in the equal color map. When analyzing the equal color map, it will be found that this The isovalue line of the isochromatic map will gather points to several points, which are the eyes, mouth and nose of the person respectively. The S203 performs repeated detection in the horizontal direction on the isochromatic map, and it can be found that only the eyes of the person are in the The two points are on the same straight line and relatively far away from each other, so the two points are the two eyes of a person, and the determined points of the two eyes can reflect characteristic information such as the viewing direction of the user.

Specifically, the above S202 and S203 are detailed refinements of S102 in the previous embodiment.

S204. Calculate the deviation degree and brightness of the light adjustment according to the characteristic information of the image;

In specific implementation, said S204 obtains the intersection point of said two points and each contour line according to the feature information of the image obtained in said S203, that is, the obtained two points corresponding to the human eyes, and then calculates the distance between adjacent intersection points, Then compare it with the weight of each contour line, and finally use the ratio of each intersection point to calculate the average value to obtain the light deviation and brightness required by the user at this time.

S205. According to the degree of deviation and the brightness, adjust the irradiation condition of the light in real time.

In specific implementation, an angle control motor can be used in the desk lamp to adjust the deviation degree of the light irradiation of the desk lamp, and a brightness adjuster can be used to adjust the brightness of the light irradiation of the desk lamp. The S205 controls the angle control motor to adjust the deviation of the light irradiation of the desk lamp according to the deviation and the brightness obtained in the above S204, and simultaneously controls the brightness adjuster to adjust the brightness of the light irradiation of the desk lamp to suit the user s eyes.

The above S204 and S205 are detailed refinements of S103 in the previous embodiment.

The embodiment of the present invention avoids the manual adjustment of the light irradiation situation by the user, and improves the user experience.

Through the description of the above-mentioned embodiment, the embodiment of the present invention collects the user's image (such as: the user's avatar) according to a predetermined period, and by analyzing the image, obtains the feature information of the image (including: the direction information of the eyes), and then according to The feature information automatically adjusts the light irradiation situation in real time, avoiding manual adjustment of the light irradiation situation by the user, and improving user experience.

Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be implemented through computer programs to instruct related hardware, and the programs can be stored in a computer-readable storage medium. During execution, it may include the processes of the embodiments of the above-mentioned methods. Wherein, the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM) or a random access memory (Random Access Memory, RAM), etc.

What is disclosed above is only a preferred embodiment of the present invention, and certainly cannot limit the scope of rights of the present invention with this. Those of ordinary skill in the art can understand the whole or part of the process of realizing the above-mentioned embodiment, and make according to the claims of the present invention The equivalent changes still belong to the scope covered by the invention.

Claims (9)

1. a light regulation method is characterized in that, comprising:

Gather user's image by the predetermined cycle;

Image to described collection carries out the isochrome processing, obtains the characteristic information of described image;

According to the characteristic information of described image, the radiation situation of real-time regulated light.

2. the method for claim 1 is characterized in that, described image to described collection carries out isochrome to be handled, and obtains the characteristic information of described image, comprising:

By predetermined numerical value the image of described collection is carried out the pixel screening, obtain the chromatic graph that waits of described image;

The described chromatic graph that waits is analyzed, obtained the characteristic information of described image.

3. the method for claim 1 is characterized in that, described characteristic information according to described image, and the radiation situation of real-time regulated light comprises:

According to the characteristic information of described image, calculate irrelevance and brightness that light is regulated;

According to described irrelevance and brightness, the radiation situation of real-time regulated light.

4. as each described method of claim 1 to 3, it is characterized in that, before the described image, also comprise by predetermined cycle collection user:

Preestablish the IMAQ cycle, and the numerical value that preestablishes the pixel screening.

5. a light adjusting device is characterized in that, comprising:

Collecting unit is used for the image by predetermined cycle collection user;

Processing unit, the image that is used for that described collecting unit is gathered carry out isochrome to be handled, and obtains the characteristic information of described image;

The real-time regulated unit is used for the characteristic information according to the resulting image of described processing unit, the radiation situation of real-time regulated light.

6. device as claimed in claim 5 is characterized in that, described processing unit comprises:

The screening unit is used for by predetermined numerical value the image of described collection being carried out the pixel screening, obtains the chromatic graph that waits of described image;

Analysis and processing unit is used for the chromatic graph that waits that described screening unit obtains is analyzed, and obtains the characteristic information of described image.

7. as claim 5 or 6 described devices, it is characterized in that described real-time regulated unit comprises:

Computing unit is used for the characteristic information of the described image that obtains according to processing unit, calculates irrelevance and brightness that light is regulated;

Regulon is used for the irrelevance and the brightness that obtain according to described computing unit, the radiation situation of real-time regulated light.

8. device as claimed in claim 7 is characterized in that, also comprises:

Memory cell is used to store the predefined IMAQ cycle, and the numerical value that preestablishes the pixel screening.

9. an intelligent desk lamp is characterized in that, comprising: as each described smooth adjusting device of claim 5 to 8.

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