CN100578531C - Display, device and method for accomplishing sight protection - Google Patents
Display, device and method for accomplishing sight protection Download PDFInfo
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Abstract
The invention provides a display, a device and a method for realizing sight protection for increasing the sight protection function of the display and other devices. The display provided by the invention comprises: a display unit for displaying data; an image collecting unit for collecting the face image of a current user; a sight protection unit for sending an alarming message to the user when a distance between the eyes of the user and the display unit is smaller than a threshold value which is set in advance; wherein, distance between the eyes of the user and the image collecting unit is equal to the distance between the eyes of the user and the display unit, the image collecting unit and the display unit are right opposite to the eyes of the user.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a display, a device and a method for realizing eyesight protection.
Background
As people acquire 80% of information from eyes, with the popularization of computers and televisions, more and more people need to watch the display for a long time, if the distance between the people and the display is too close, the damage to vision can be caused, and therefore, more and more people are short-sighted due to the fact that the people watch the display for a long time at a short distance.
Some devices for protecting eyesight exist in the prior art, including a method of measuring the distance between objects by using a mechanical method and a method of measuring the distance between objects by using a sensor such as infrared rays.
The mode of adopting mechanical means to measure object distance needs the people to wear some devices similar to the headgear, limits the distance of people from book or display through the pull rod distance, and these devices can make the people have the uncomfortable sensation, can influence the mood of people when study work, have offensiveness, and moreover, the distance measuring range is limited.
When the sensor is used for measuring the distance between objects, for example, infrared rays or ultrasonic waves are emitted actively by the emitting device, the infrared rays or the ultrasonic waves reflected by the objects are received by the receiving device, and the distance between the objects is measured by measuring the time interval or the phase difference between the emitted infrared rays or the ultrasonic waves and the received infrared rays or the ultrasonic waves.
Disclosure of Invention
The embodiment of the invention provides a display, a device and a method for realizing eyesight protection, which are used for enhancing the eyesight protection function of the display and other devices.
The display provided by the embodiment of the invention comprises:
a display unit for displaying data;
the image acquisition unit is used for acquiring a face image of a current user;
the eyesight protection unit is used for determining the pixel area of the whole face area in the collected face image, determining that the distance between the eyes of the user and the display unit is smaller than a preset threshold value when the pixel area is larger than or equal to the preset pixel threshold value, and sending alarm information to the user;
the distance between the eyes of the user and the image acquisition unit is equal to the distance between the eyes of the user and the display unit, and the image acquisition unit and the display unit are opposite to the eyes of the user.
The device provided by the embodiment of the invention comprises: a triggering unit and an alarm unit;
the triggering unit is used for determining the pixel area of the whole face area in the face image of the user, determining that the distance between the eyes of the user and the display unit is smaller than a preset threshold value when the pixel area is larger than or equal to the preset pixel threshold value, and triggering the alarm unit;
and the alarm unit is used for sending alarm information to the user when receiving the trigger of the trigger unit.
The method provided by the embodiment of the invention comprises the following steps:
acquiring a face image of a current user through image acquisition equipment;
determining the pixel area of the whole face area in the acquired face image, determining that the distance between the eyes of the user and a display is smaller than a preset threshold value when the pixel area is larger than or equal to the preset pixel threshold value, and sending alarm information to the user;
wherein a distance between the user's eye and the image capture device is equal to a distance between the user's eye and the display, the image capture device and the display facing the user's eye.
According to the embodiment of the invention, the face image of the current user is acquired through the image acquisition equipment; according to the collected face image, when the distance between the eyes of the user and the display is smaller than a preset threshold value, warning information is sent to the user; wherein a distance between the user's eye and the image capture device is equal to a distance between the user's eye and the display, the image capture device and the display facing the user's eye. Through the technical scheme, the user is reminded to keep a certain distance from the watched object when the user watches the objects such as the display or the book, so that the aim of protecting eyesight is fulfilled, more accurate reminding information can be sent by adopting the eyesight protection scheme, and the requirements of the user are met.
Drawings
FIG. 1 is a schematic diagram of a prior art convex lens imaging principle;
FIG. 2 is a schematic diagram of a display structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a vision protection apparatus according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a method according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a display, a device and a method for realizing eyesight protection, and aims to solve the problems that in the prior art, the display and the device have poor eyesight protection effect and send inaccurate reminding information.
Referring to fig. 1, taking the imaging of the camera as an example, when the camera is normally used, and the object distance is greater than the double focal length 2f, the camera becomes an inverted real image, and according to the convex lens imaging principle, when the object distance is out of 2f, the size of the object is represented by H, the size of the image is represented by H, the object distance is represented by a, the image distance is represented by a, and according to the geometrical relationship of light, the following relationship exists:
So that there are That is, the size H of the image is inversely proportional to the object distance a, when the focal length f is unchanged, the image distance a is similar to f, and the size H of the object is approximately unchanged, the object distance can be determined according to the size of the image, and the imaging principle of other image acquisition devices such as a digital camera, a digital video camera and the like is similar to that of a camera, and the same conclusion also exists.
For a fixed image acquisition device (including a camera, a digital camera, a video camera and the like), according to the imaging principle, when the lens and the focal length are fixed, the size of the formed image depends on the object distance and the size of the object, and when the area of the photosensitive device is fixed, the size of the image is represented by the pixel area occupied by the image, and the distance between two points on the image is represented by the pixel distance between the two points on the image, namely the number of pixels between the two points.
The image acquired by the image acquisition equipment is the projection of an object image on an image plane. The image acquisition device is generally a digital image acquisition device, and the acquired image represents a discretized object image by a two-dimensional matrix. For a photosensitive device with resolution M × N, it is equivalent to discretizing the object image into a matrix of M × N. In the process of digitizing the analog image obtained by the photosensitive device, assuming that the area of the photosensitive device is B × C and the resolution is W × D, B/W is C/D, and the number of pixels per unit size is B/W or C/D. Thus, when the area of the photosensitive device is fixed, the size of the object image can be measured by measuring the size of the object image by using the pixel area or the pixel distance on the image data obtained by discretizing the projection of the object image, instead of the physical size of the object image.
The embodiment of the invention adopts a digital image acquisition device, and a two-dimensional matrix is used for representing an image. For each point on the image, there is a correspondence of the coordinates (x, y) that are digitized. For example, for a 640x480 resolution image, the coordinate position of a point satisfies:
{(x，y)|x＞＝0&&x＜640，y＞＝0&&y＜480}
the pixel distance between two points on the digital image formed in the embodiment of the invention is the distance between coordinates of the two points on the digital image. The pixel area can be calculated from the corresponding pixel distance.
The number of pixels of the digital image of unit size corresponding to the analog image is B/W or C/D, if the pixel distance between two points on the digital image is m, the distance between two points on the analog image is:
h is m B/W formula (2)
It can be seen that the distance between two points on an analog image (real image) is proportional to the pixel distance of the two points on the digital image. From equations (1) and (2), one can obtain:
The same can be obtained:
A and B (or C) are fixed when H is constant, f is fixed (a is fixed), and B (or C) is fixed
(or
) In inverse proportion.
Further, for the same image acquisition device, the resolution of the output image can be changed through software setting, that is, the sizes of M and N can be changed along with the software setting. Thus, embodiments of the present invention define the normalized pixel distance M' as the ratio of the pixel distances M to M (or M to N). Then:
The same can be obtained:
Therefore, the focal length f of the fixed image acquisition equipment is unchanged, a is unchanged, the object is a human face, the size of the face of each person is considered to be similar, the size H of the object is approximately unchanged, and the object distance A between the human face and the convex lens is inversely proportional to m'. That is, the closer the face is to the camera, the larger m' is, and a linear inverse proportional relationship exists.
Based on the above principle, how the display provided by the embodiment of the present invention is implemented will be described below.
Referring to fig. 2, an embodiment of the present invention provides a display 21 for implementing eyesight protection, including:
and a display unit 211 for displaying data.
And an image acquisition unit 212, configured to acquire a face image of the current user.
And the eyesight protection unit 213 is configured to determine, according to the acquired face image, that when the distance between the eyes of the user and the display unit 211 is smaller than a preset threshold, send warning information to the user.
Wherein, the distance between the user's eye and the image acquisition unit 212 is equal to the distance between the user's eye and the display unit 211, and the image acquisition unit 212 and the display unit 211 are opposite to the user's eye.
When the image acquisition unit 212 acquires an image, it first determines whether there is a person (including a human face) in the image, if there is no person, it is determined that there is no person using the display 21, and the eyesight protection unit 213 does not need to send any prompt to the user; otherwise, the eyesight protection unit 213 determines whether the person is less than the prescribed range from the display 21 at this time according to the face image, and if so, issues an alarm message.
The eyesight protection unit 213 may determine whether the distance between the user and the display 21 is smaller than the predetermined range according to the face image of the user, and may measure the size of the face image by using the pixel distance between specific points on the face image, or by using the area of the whole face region or a part of the face region on the face image, and thus determine whether the user is too close to the display. For example:
the width and the height of a face region on the face image can be detected by adopting a face detection mode, and the size of the face image is measured according to the width, the height or the size of the pixel area of the face region.
The binocular region detection algorithm mentioned in the eye positioning algorithm can be adopted to only detect the width, height and area of the binocular region with the fixed size range and taking the center of the left eye connecting line and the right eye connecting line as the center, and the width, height or pixel area of the binocular region is adopted to measure the size of the face image.
The specific points on the face image can be obtained by a face feature point positioning technology, and the feature points can be a left eye center point, a right eye center point, a left eye corner point (two points in total), a right eye corner point (two points in total), a mouth center point, a mouth left corner point, a mouth right corner point and a cheek edge point (including all points on the outer edge of the face cheek). The size of the face image can be measured by taking the pixel distance between any two points or the sum of the pixel distances between every two points in a set of more than two points.
Preferably, the pixel area is normalized according to the resolution of the image acquisition unit 212; the pixel distance is normalized according to the resolution of the image acquisition unit 212.
The eyesight protection unit 213 determines that the distance between the user's eyes and the display unit 211 is less than a predetermined threshold value when the pixel area or the pixel distance is greater than or equal to a predetermined pixel threshold value.
Preferably, the eyesight protection unit 213 further sends an alarm message to the user when the duration that the pixel area or the pixel distance is greater than or equal to the pixel threshold is greater than or equal to a preset time threshold.
The method for setting the pixel threshold may be various, for example:
collecting a face image of a person at a predetermined distance, measuring a value corresponding to m ', and recording the value of m' as a pixel threshold value Tm′(i.e., m' specifies the maximum value of the range).
Another preferable mode is that m' values of various types of people facing the acquisition equipment are measured and counted under a specified distance; and taking the mean value of m' corresponding to different people as the specified pixel threshold value.
In setting the pixel threshold, a pixel threshold is set for each type of population in consideration of the difference between persons, particularly, the difference between men and women, and the difference between adults and children. A pixel threshold value can be set for an adult male, an adult female and a child respectively, and each pixel threshold value can be determined by a single person m 'or an average value of a plurality of persons m'.
Furthermore, it is also possible to customize the pixel threshold for each user himself.
Therefore, the image acquisition unit 212 acquires face images when the eyes of a plurality of users have a certain distance from the user; the vision protection unit 213 uses the normalized pixel area or the average value of the normalized pixel distances corresponding to the face images as the pixel threshold. Or,
the image acquisition unit 212 is used for acquiring a face image when the eyes of the user have a certain distance with the user; the eyesight protection unit 213 uses the normalized pixel area or the normalized pixel distance corresponding to the face image as the pixel threshold. Or,
the image acquisition unit 212 is used for acquiring a face image when the eyes of one or more persons in various groups have a certain distance with the face image; the eyesight protection unit 213 takes the normalized pixel area or the normalized pixel distance corresponding to the face image of the person or persons as the pixel threshold.
The embodiment of the invention considers that the distance between the human face and the image acquisition equipment (unit) needs to reflect the distance between the human face and the watching object such as a display, therefore, the image acquisition equipment is required to be placed in parallel with the watching object such as the display in the combination position relation, the imaging plane of the image acquisition equipment is ensured to be parallel to the watching object such as the display, and the distance between the human face and the watching object such as the display can be reflected more accurately. For example, the image capturing device may be placed in any one of the up, down, left, and right directions outside the display, and may be installed inside the display housing or outside the display housing.
The technical scheme provided by the embodiment of the invention is not limited to be applied to a display, and any device with a vision protection function can be realized through the technical scheme provided by the embodiment of the invention. Referring to fig. 3, an embodiment of the present invention provides a vision protection apparatus 31, including: an image acquisition unit 311, a trigger unit 312 and an alarm unit 313;
and an image acquisition unit 311, configured to acquire a face image of the user.
The triggering unit 312 is configured to trigger the alarm unit 313 when it is determined that the distance between the eyes of the user and the display unit is smaller than a preset threshold according to the face image of the user.
The alarm unit 313 is configured to send alarm information to the user when receiving the trigger of the trigger unit 312.
The method provided by the embodiment of the invention is described below.
Referring to fig. 4, a method for implementing eyesight protection provided by an embodiment of the present invention includes:
s401, acquiring a face image of a current user through image acquisition equipment.
S402, obtaining the normalized pixel area of the whole face area, the normalized pixel area of part of the face area or the normalized pixel distance between the face characteristic points in the face image according to the collected face image.
And S403, when the pixel area or the pixel distance is larger than or equal to a preset pixel threshold value and the duration is larger than or equal to a preset time threshold value, sending alarm information to the user.
Wherein a distance between the user's eye and the image capture device is equal to a distance between the user's eye and the display, the image capture device and the display facing the user's eye.
In summary, the technical solution provided by the embodiment of the present invention determines whether the distance between the user and the display exceeds the safe distance through the face image, and if so, sends an alarm message to the user. Therefore, the invention can realize stronger eyesight protection function.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (14)
1. A display for implementing eyesight protection, the display comprising:
a display unit for displaying data;
the image acquisition unit is used for acquiring a face image of a current user;
the eyesight protection unit is used for determining the pixel area of the whole face area in the collected face image, determining that the distance between the eyes of the user and the display unit is smaller than a preset threshold value when the pixel area is larger than or equal to the preset pixel threshold value, and sending alarm information to the user;
the distance between the eyes of the user and the image acquisition unit is equal to the distance between the eyes of the user and the display unit, and the image acquisition unit and the display unit are opposite to the eyes of the user.
2. The display of claim 1, wherein the pixel area is normalized according to a resolution of the image capture device.
3. The display of claim 1, wherein the vision protection unit further sends an alert message to the user when the duration of the pixel area greater than or equal to the pixel threshold is greater than or equal to a preset time threshold.
4. The display device according to claim 1, 2 or 3, wherein the image acquisition unit acquires face images when the eyes of a plurality of users are at a certain distance from the image acquisition unit;
and the vision protection unit takes the average value of the normalized pixel areas corresponding to the face images as a pixel threshold value.
5. The display according to claim 1, 2 or 3, wherein the image acquisition unit acquires a face image when both eyes of the user are at a distance from the user;
and the vision protection unit takes the normalized pixel area corresponding to the face image as a pixel threshold value.
6. The display according to claim 1, 2 or 3, wherein the image acquisition unit acquires a face image when both eyes of one or more persons in various groups of persons are at a certain distance from the image acquisition unit;
the vision protection unit takes the normalized pixel area corresponding to the face image of one person in each group of people or the average value of the normalized pixel areas corresponding to the face images of a plurality of persons as the pixel threshold value of the group of people.
7. An apparatus for providing vision protection, the apparatus comprising: a triggering unit and an alarm unit;
the triggering unit is used for determining the pixel area of the whole face area in the face image of the user, determining that the distance between the eyes of the user and the display unit is smaller than a preset threshold value when the pixel area is larger than or equal to the preset pixel threshold value, and triggering the alarm unit;
and the alarm unit is used for sending alarm information to the user when receiving the trigger of the trigger unit.
8. The apparatus of claim 7, further comprising:
and the image acquisition unit is used for acquiring the face image of the user.
9. A method of achieving vision protection, the method comprising:
acquiring a face image of a current user through image acquisition equipment;
determining the pixel area of the whole face area in the acquired face image, determining that the distance between the eyes of the user and a display is smaller than a preset threshold value when the pixel area is larger than or equal to the preset pixel threshold value, and sending alarm information to the user;
wherein a distance between the user's eye and the image capture device is equal to a distance between the user's eye and the display, the image capture device and the display facing the user's eye.
10. The method of claim 9, wherein the pixel area is normalized according to a resolution of the image acquisition device.
11. The method of claim 9, further comprising sending an alert message to the user when the duration of the pixel area greater than or equal to the pixel threshold is greater than or equal to a predetermined time threshold.
12. The method of claim 9, 10 or 11, wherein the step of presetting the pixel threshold comprises:
the image acquisition equipment is used for acquiring face images when the eyes of a plurality of users have a certain distance with the image acquisition equipment, and the average value of normalized pixel areas corresponding to the face images is used as a pixel threshold value.
13. The method of claim 9, 10 or 11, wherein the step of presetting the pixel threshold comprises:
and acquiring a face image when a certain distance exists between the eyes of the user and the image acquisition equipment through the image acquisition equipment, and taking the normalized pixel area corresponding to the face image as a pixel threshold value.
14. The method according to claim 9, 10 or 11, wherein corresponding pixel thresholds are set for various types of people; the setting method of each pixel threshold comprises the following steps:
the image acquisition equipment is used for acquiring the face image when a certain distance exists between the eyes of one person or more persons in various groups of people and the image acquisition equipment, and the normalized pixel area corresponding to the face image of one person in each group of people or the average value of the normalized pixel areas corresponding to the face images of the persons is used as the pixel threshold value of the group of people.
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Cited By (1)
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Families Citing this family (41)
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| CN104715587A (en) * | 2013-12-13 | 2015-06-17 | 广州中国科学院先进技术研究所 | Intelligent video recognition eyesight protection device and method |
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| CN108921125A (en) * | 2018-07-18 | 2018-11-30 | 广东小天才科技有限公司 | Sitting posture detection method and wearable device |
| CN109614912A (en) * | 2018-12-04 | 2019-04-12 | 安徽师范大学 | Preventing off screen curtain excessively closely leads to the method for myopia |
| CN110046552A (en) * | 2019-03-21 | 2019-07-23 | 南京华捷艾米软件科技有限公司 | Protect the method for user's eyesight and the device of protection user's eyesight |
| CN109934205B (en) * | 2019-03-26 | 2021-10-12 | 北京如布科技有限公司 | Learning object recall method and device, robot and storage medium |
| KR102067488B1 (en) * | 2019-07-03 | 2020-01-17 | 주식회사 에이치비테크놀러지 | Laser Repair Apparatus and Method for Eliminating Chromatic Aberration of a Lens |
| CN113029018A (en) * | 2021-02-03 | 2021-06-25 | 深圳市优必选科技股份有限公司 | Eye protection prompting method and device, terminal equipment and computer readable storage medium |
| CN117495937B (en) * | 2023-12-25 | 2024-05-10 | 荣耀终端有限公司 | Face image processing method and electronic equipment |
-
2007
- 2007-11-08 CN CN200710177029A patent/CN100578531C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107995526A (en) * | 2017-12-29 | 2018-05-04 | 上海与德科技有限公司 | A kind of control method and control system based on smart television |
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| CN101192270A (en) | 2008-06-04 |
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