CN108259664B - Method and device for using mobile device as glasses - Google Patents
Method and device for using mobile device as glasses Download PDFInfo
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- CN108259664B CN108259664B CN201711472969.9A CN201711472969A CN108259664B CN 108259664 B CN108259664 B CN 108259664B CN 201711472969 A CN201711472969 A CN 201711472969A CN 108259664 B CN108259664 B CN 108259664B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Environmental & Geological Engineering (AREA)
- Controls And Circuits For Display Device (AREA)
- Eyeglasses (AREA)
- Telephone Function (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The application discloses a method and a device for using a mobile device as glasses, wherein the method comprises the following steps: responding to the entering of the simulated glasses mode, and acquiring the current distance from the eyes of the user to the screen of the mobile equipment; calculating an adjusting factor for adjusting the camera parameter and screen display of the mobile equipment according to the current distance, the user vision parameter and the initialization distance, wherein the initialization distance is the distance between the eyes of the user and the screen of the mobile equipment when the user can see a clear image through the screen of the mobile equipment in the initialization state; determining the optimal focal length and the image display adjusting factor of the camera according to the adjusting factor and the camera zooming parameter; and setting the focal length of the camera and the image display of the screen according to the optimal focal length, the image display adjustment factor and the initialized image visual field, wherein the initialized image visual field is the visual field range acquired by the screen under the condition of the initialized distance. The invention can enable the portable mobile device to temporarily replace the glasses, and solves the problem of inconvenient life caused by the loss or damage of the glasses.
Description
Technical Field
The present application relates to the field of eyewear, and more particularly, to methods and apparatus for using a mobile device as eyewear.
Background
With the rapid development of scientific technology, mobile equipment such as a mobile phone becomes a necessity of life of people, and meanwhile, a camera also becomes a standard configuration of the mobile equipment, and pixels of the camera are higher and higher, imaging pixels are higher and higher, and definition is better and better.
Due to the fact that people have more and more learning pressure and unscientific eye use habits in the growing process, more and more people suffer from eye diseases with myopia or high myopia, and more people cannot leave glasses at all times. The glasses belong to fragile products, and in life, the glasses are damaged or lost accidentally, so that life is seriously inconvenient.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a method and a device for using a mobile device as glasses, which can enable the portable mobile device such as a mobile phone to temporarily replace the glasses and solve the problem of inconvenient life caused by the loss or damage of the glasses.
To solve the above technical problem, the method for using a mobile device as glasses of the present invention comprises:
responding to the entering of the simulated glasses mode, and acquiring the current distance from the eyes of the user to the screen of the mobile equipment;
calculating an adjusting factor for adjusting the camera parameter and screen display of the mobile equipment according to the current distance, the user vision parameter and the initialization distance, wherein the initialization distance is the distance from the eyes of the user to the screen of the mobile equipment when the user can see a clear image through the screen of the mobile equipment in the initialization state;
determining the optimal focal length and the image display adjusting factor of the camera according to the adjusting factor and the camera zooming parameter;
and setting the focal length of the camera and the image display of the screen according to the optimal focal length, the image display adjustment factor and the initialized image visual field, wherein the initialized image visual field is the visual field range acquired by the screen under the condition of the initialized distance.
As an improvement of the method of the invention, the user vision parameter is the myopia degree of the eyes of the user.
As a further improvement of the method according to the invention, the adjustment factor is calculated according to the following formula:
ZM＝(P/D)*((V-300)/50/10+1)
wherein ZM is an adjustment factor, P is the current distance, D is the initialization distance, and V is the myopia number.
As a still further improvement of the method of the present invention, the determining an optimal focal length and an image display adjustment factor of the camera according to the adjustment factor and the camera zoom parameter includes: if the camera zooming parameter N is equal to 1, the optimal focal length FN is equal to 1, and the image display adjusting factor DIS is equal to ZM; if the camera zooming parameter N is more than or equal to 2 and ZM is less than 2, the optimal focal length FN is equal to 1, and the image display adjusting factor DIS is equal to ZM; if the camera zooming parameter N is more than or equal to 2 and ZM is more than or equal to 2 and less than or equal to N +1, the optimal focal length FN is equal to N, and the image display adjusting factor DIS is equal to 1; and if the camera zooming parameter N is more than or equal to 2 and ZM is more than N +1, the optimal focal length FN is equal to N, and the image display adjusting factor DIS is equal to ZM-N.
As another improvement of the method of the present invention, the method further comprises: inputting the vision parameters of the user; and/or acquiring the initialization distance, the initialization image field of view and/or the camera zoom parameter.
In order to solve the above technical problem, the apparatus for using a mobile device as glasses of the present invention comprises:
the current distance acquisition module is used for responding to the mode of entering the simulated glasses and acquiring the current distance from the eyes of the user to the screen of the mobile equipment;
the adjusting factor calculating module is used for calculating an adjusting factor for adjusting the camera parameter and screen display of the mobile equipment according to the current distance, the user vision parameter and the initialization distance, wherein the initialization distance is the distance between the eyes of the user and the screen of the mobile equipment when the user can see a clear image through the screen of the mobile equipment in the initialization state;
the optimal parameter determining module is used for determining the optimal focal length and the image display adjusting factor of the camera according to the adjusting factor and the camera zooming parameter;
and the setting module is used for setting the focal length of the camera and the image display of the screen according to the optimal focal length, the image display adjusting factor and the initialized image visual field, wherein the initialized image visual field is the visual field range acquired by the screen under the condition of the initialized distance.
As an improvement of the device, the vision parameter of the user is the myopia degree of the eyes of the user.
As a further improvement of the apparatus of the present invention, the adjustment factor calculation module calculates the adjustment factor ZM according to the following formula:
ZM＝(P/D)*((V-300)/50/10+1)
wherein P is the current distance, D is the initialization distance, and V is the myopia number.
As a still further improvement of the apparatus of the present invention, the optimal parameter determination module includes: the first determining submodule is used for determining the optimal focal length FN (equal to 1) and the image display adjusting factor DIS (equal to ZM) when the camera zooming parameter N is equal to 1; the second determining submodule is used for determining that the optimal focal length FN is equal to 1 and the image display adjusting factor DIS is equal to ZM when the camera zooming parameter N is larger than or equal to 2 and ZM is smaller than 2; the third determining submodule is used for determining that the optimal focal length FN is equal to N and the image display adjusting factor DIS is equal to 1 when the camera zooming parameter N is equal to or more than 2 and ZM is equal to or more than 2 and is equal to or less than N + 1; and the fourth determining submodule is used for determining the optimal focal length FN-N and the image display adjusting factor DIS-ZM-N when the camera zooming parameter N is more than or equal to 2 and ZM is more than N + 1.
As another improvement of the apparatus of the present invention, the apparatus further comprises: the input module is used for inputting the vision parameters of the user; and/or a basic parameter acquisition module for acquiring the initialization distance, the initialization image field of view and/or the camera zoom parameter.
To solve the above technical problem, the tangible computer readable medium of the present invention includes computer program code for executing the method of the present invention for using a mobile device as glasses.
To solve the above technical problem, the present invention provides an apparatus, comprising at least one processor; and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to perform at least some of the steps of the method of the present invention for using a mobile device as eyewear.
According to the invention, the mobile phone is taken as an electronic product which is carried by people all the time and has a high-definition imaging camera technology, and when the glasses are damaged or lost and people cannot work and live normally, the function of simulating the glasses by the mobile phone is taken as environmental information in the visual field of a user, so that the mobile phone is a temporary substitute of the glasses. As the vision condition of each person is different and the requirements for the visual field images acquired by the mobile phone are different, the scheme of the invention determines the optimal mobile phone imaging focal length and the size of the imaged image for a specific user by considering the vision parameters of the user, the distance from the eyes of the user to the screen, the camera zooming parameter, the initialized image visual field and the like, so that different users can clearly see the images in the visual field, and the mobile phone imaging focal length and the size of the imaged image can accurately replace glasses for use.
Other features and advantages of the present invention will become more apparent from the detailed description of the embodiments of the present invention when taken in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic view of a mobile device used as eyeglasses.
Fig. 2 is a flow chart of an embodiment of a method according to the present invention.
FIG. 3 is a schematic structural diagram of an embodiment of the apparatus according to the present invention.
For the sake of clarity, the figures are schematic and simplified drawings, which only show details which are necessary for understanding the invention and other details are omitted.
Detailed Description
Embodiments and examples of the present invention will be described in detail below with reference to the accompanying drawings.
The scope of applicability of the present invention will become apparent from the detailed description given hereinafter. It should be understood, however, that the detailed description and the specific examples, while indicating preferred embodiments of the invention, are given by way of illustration only.
Fig. 1 shows a schematic view of a mobile device used as glasses. The mobile device such as a mobile phone and a tablet personal computer has a camera, a display screen, a distance induction sensor and the like, and the mobile device also has a camera function.
Fig. 2 shows a flow chart of an embodiment of a method of using a mobile device as eyewear according to the present invention.
In step S202, a vision parameter, such as a myopia degree V, for example, 150, 200, 300, 400, 500, or 600 degrees, of a user of the mobile device, which is input by the user through a man-machine interface of the mobile device, is obtained. In other embodiments, the vision parameter may also be distance vision power.
In step S204, a camera zoom parameter N of the mobile device is acquired through an associated interface of the mobile device operating system.
In step S206, the initialization distance D and the initialization image field of view are acquired. The initialization distance refers to a position where a user can see a clear image by adjusting the distance between eyes and a screen when the user views the image in a field of view through the screen of the mobile device when the user does not wear glasses in an initialization stage, and the distance between the eyes of the user and the screen of the mobile device is the initialization distance D. The initialization distance may be detected and recorded by a distance sensing sensor of the mobile device and confirmation of the user's view of a clear image. The initialized image field of view is the field of view of the screen capture at the initialized distance D.
Steps S202-S206 are initialization steps using the method of the present invention, and only need to be executed once for the same user, and the execution sequence can be changed arbitrarily. Wherein step S204 may also be performed in real time during the use of the mobile device as glasses.
In step S208, the analog glasses mode is started. For example, a user may initiate the analog glasses mode by selecting a "glasses" mode of operation that is integrated into the camera functionality of the mobile device.
In step S210, a current distance P from the user' S eye to the screen of the mobile device is obtained through a distance-sensing sensor of the mobile device.
In step S212, an adjustment factor for adjusting the camera parameters and screen display of the mobile device is calculated according to the current distance P, the user' S myopia degree V, and the initialization distance D. In an embodiment, the adjustment factor ZM is calculated according to the following formula:
ZM＝(P/D)*((V-300)/50/10+1)
wherein P/D is the distance ratio and ((V-300)/50/10+1) is the correction parameter value for myopia.
In step S214, the optimal focal length FN and the image display adjustment factor DIS of the camera are determined for the user with the current myopia degree according to the previously calculated adjustment factor and the acquired zoom parameter of the camera. In an embodiment, if the camera zoom parameter N is 1 (focal length), the optimal focal length FN is determined to be 1 and the image display adjustment factor DIS is determined to be ZM; if the camera zooming parameter N is more than or equal to 2 and ZM is less than 2, determining that the optimal focal length FN is equal to 1 and the image display adjusting factor DIS is equal to ZM; if the camera zooming parameter N is more than or equal to 2 and ZM is more than or equal to 2 and less than or equal to N +1, determining that the optimal focal length FN is equal to N and the image display adjusting factor DIS is equal to 1; and if the camera zooming parameter N is more than or equal to 2 and ZM is more than N +1, determining the optimal focal length FN-N and the image display adjusting factor DIS-ZM-N.
In step S216, the camera focal length of the mobile device is set to the optimal focal length FN and the image field of view displayed on the screen is set to DIS times the initial image field of view according to the optimal focal length FN, the image display adjustment factor DIS, and the initial image field of view, so that a user with myopia can clearly see the scene in the field of view through the screen of the mobile device without wearing glasses.
According to one embodiment of the method of the invention, the method of the invention may also be used for hyperopic patients. In this case, the adjustment factor ZM is calculated using the following formula: ZM ═ D/P ((V ' -300)/50/10+1), V ' representing the user's hyperopic power. The remaining steps are similar to those of the method shown in fig. 2.
Fig. 3 is a schematic structural diagram of an embodiment of an apparatus for using a mobile device as glasses according to the present invention. The apparatus of this embodiment comprises: an input module 302 for inputting user vision parameters; a basic parameter obtaining module 304, configured to obtain an initialization distance, an initialization image field of view, and/or a camera zoom parameter; a current distance obtaining module 306, configured to obtain a current distance from the user's eyes to the screen of the mobile device in response to entering the simulated glasses mode; an adjustment factor calculation module 308, configured to calculate an adjustment factor for adjusting a camera parameter and screen display of the mobile device according to the current distance, the user eyesight parameter, and an initialization distance, where the initialization distance is a distance from an eye of the user to a screen of the mobile device when the user can see a clear image through the screen of the mobile device in an initialization state; an optimal parameter determining module 310, configured to determine an optimal focal length and an image display adjustment factor of the camera according to the adjustment factor and the camera zoom parameter; a setting module 312 for setting the focal length of the camera and the image display of the screen according to the optimal focal length, the image display adjustment factor, and the initialized image field of view.
According to one embodiment of the apparatus of the present invention, the user vision parameter is the degree of myopia of the user's eyes. In this case, the adjustment factor calculation module calculates the adjustment factor ZM according to the following equation:
ZM＝(P/D)*((V-300)/50/10+1)
wherein P is the current distance, D is the initialization distance, and V is the myopia number.
According to another embodiment of the apparatus of the present invention, the optimal parameter determination module comprises: the first determining submodule is used for determining the optimal focal length FN (equal to 1) and the image display adjusting factor DIS (equal to ZM) when the camera zooming parameter N is equal to 1; the second determining submodule is used for determining that the optimal focal length FN is equal to 1 and the image display adjusting factor DIS is equal to ZM when the camera zooming parameter N is larger than or equal to 2 and ZM is smaller than 2; the third determining submodule is used for determining that the optimal focal length FN is equal to N and the image display adjusting factor DIS is equal to 1 when the camera zooming parameter N is equal to or more than 2 and ZM is equal to or more than 2 and is equal to or less than N + 1; and the fourth determining submodule is used for determining the optimal focal length FN-N and the image display adjusting factor DIS-ZM-N when the camera zooming parameter N is more than or equal to 2 and ZM is more than N + 1.
The particular features, structures, or characteristics of the various embodiments described herein may be combined as suitable in one or more embodiments of the invention. Additionally, in some cases, the order of steps depicted in the flowcharts and/or in the pipelined process may be modified, as appropriate, and need not be performed exactly in the order depicted. In addition, various aspects of the invention may be implemented using software, hardware, firmware, or a combination thereof, and/or other computer implemented modules or devices that perform the described functions. Software implementations of the present invention may include executable code stored in a computer readable medium and executed by one or more processors. The computer readable medium may include a computer hard drive, ROM, RAM, flash memory, portable computer storage media such as CD-ROM, DVD-ROM, flash drives, and/or other devices, for example, having a Universal Serial Bus (USB) interface, and/or any other suitable tangible or non-transitory computer readable medium or computer memory on which executable code may be stored and executed by a processor. The present invention may be used in conjunction with any suitable operating system.
As used herein, the singular forms "a", "an" and "the" include plural references (i.e., have the meaning "at least one"), unless the context clearly dictates otherwise. It will be further understood that the terms "has," "includes" and/or "including," when used in this specification, specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The foregoing describes some preferred embodiments of the present invention, but it should be emphasized that the invention is not limited to these embodiments, but can be implemented in other ways within the scope of the inventive subject matter. The present invention can be modified and modified by those skilled in the art without departing from the scope of the present invention, and the modified and modified embodiments are also within the scope of the present invention.
Claims (4)
1. A method of using a mobile device as eyewear, the method comprising:
responding to the entering of the simulated glasses mode, and acquiring the current distance from the eyes of the user to the screen of the mobile equipment;
calculating an adjusting factor for adjusting the camera parameters and screen display of the mobile equipment according to the current distance, the myopia degrees of the eyes of the user and the initialization distance, wherein the initialization distance is the distance from the eyes of the user to the screen of the mobile equipment when the user can see clear images through the screen of the mobile equipment in the initialization state;
determining the optimal focal length and the image display adjusting factor of the camera according to the adjusting factor and the camera zooming parameter;
setting the focal length of the camera and the image display of the screen according to the optimal focal length, the image display adjustment factor and the initialized image visual field, wherein the initialized image visual field is the visual field range acquired by the screen under the condition of the initialized distance;
wherein the adjustment factor ZM ═ (P/D) ((V-300)/50/10+1), where ZM is the adjustment factor, P is the current distance, D is the initialization distance, and V is the myopia number;
wherein the determining the optimal focal length and the image display adjustment factor of the camera according to the adjustment factor and the camera zoom parameter comprises:
if the camera zooming parameter N is equal to 1, the optimal focal length FN is equal to 1, and the image display adjusting factor DIS is equal to ZM;
if the camera zooming parameter N is more than or equal to 2 and ZM is less than 2, the optimal focal length FN is equal to 1, and the image display adjusting factor DIS is equal to ZM;
if the camera zooming parameter N is more than or equal to 2 and ZM is more than or equal to 2 and less than or equal to N +1, the optimal focal length FN is equal to N, and the image display adjusting factor DIS is equal to 1;
and if the camera zooming parameter N is more than or equal to 2 and ZM is more than N +1, the optimal focal length FN is equal to N, and the image display adjusting factor DIS is equal to ZM-N.
2. The method of claim 1, further comprising:
inputting the degree of myopia of the user's eyes; and/or
And acquiring the initialization distance, the initialization image visual field and/or the camera zooming parameter.
3. An apparatus for using a mobile device as eyewear, the apparatus comprising:
the current distance acquisition module is used for responding to the mode of entering the simulated glasses and acquiring the current distance from the eyes of the user to the screen of the mobile equipment;
the adjusting factor calculating module is used for calculating adjusting factors for adjusting camera parameters and screen display of the mobile equipment according to the current distance, the myopia degrees of the eyes of the user and the initialization distance, wherein the initialization distance is the distance from the eyes of the user to the screen of the mobile equipment when the user can see clear images through the screen of the mobile equipment in the initialization state;
the optimal parameter determining module is used for determining the optimal focal length and the image display adjusting factor of the camera according to the adjusting factor and the camera zooming parameter;
the setting module is used for setting the focal length of the camera and the image display of the screen according to the optimal focal length, the image display adjusting factor and the initialized image visual field, wherein the initialized image visual field is the visual field range acquired by the screen under the condition of the initialized distance;
wherein the adjustment factor calculation module calculates an adjustment factor ZM according to the following equation:
ZM＝(P/D)*((V-300)/50/10+1)
wherein P is the current distance, D is the initialization distance, and V is the myopia number;
wherein the optimal parameter determination module comprises:
the first determining submodule is used for determining the optimal focal length FN (equal to 1) and the image display adjusting factor DIS (equal to ZM) when the camera zooming parameter N is equal to 1;
the second determining submodule is used for determining that the optimal focal length FN is equal to 1 and the image display adjusting factor DIS is equal to ZM when the camera zooming parameter N is larger than or equal to 2 and ZM is smaller than 2;
the third determining submodule is used for determining that the optimal focal length FN is equal to N and the image display adjusting factor DIS is equal to 1 when the camera zooming parameter N is equal to or more than 2 and ZM is equal to or more than 2 and is equal to or less than N + 1;
and the fourth determining submodule is used for determining the optimal focal length FN-N and the image display adjusting factor DIS-ZM-N when the camera zooming parameter N is more than or equal to 2 and ZM is more than N + 1.
4. The apparatus of claim 3, further comprising:
the input module is used for inputting the myopia degrees of the eyes of the user; and/or
And the basic parameter acquisition module is used for acquiring the initialization distance, the initialization image view and/or the camera zooming parameter.
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| CN201711472969.9A CN108259664B (en) | 2017-12-29 | 2017-12-29 | Method and device for using mobile device as glasses |
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| CN201711472969.9A CN108259664B (en) | 2017-12-29 | 2017-12-29 | Method and device for using mobile device as glasses |
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| JP2011028011A (en) * | 2009-07-27 | 2011-02-10 | Sharp Corp | Video display device |
| CN102325211A (en) * | 2011-05-23 | 2012-01-18 | 中兴通讯股份有限公司 | Eyesight compensation method and device and mobile terminal |
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| CN106339086A (en) * | 2016-08-26 | 2017-01-18 | 珠海格力电器股份有限公司 | Screen font adjustment method and device, and electronic equipment |
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