CN111311687A - A method and device for spatial position detection of pixel points on a mobile phone screen - Google Patents

Abstract

The method comprises the steps of determining a coordinate transformation relation of a target mobile phone, wherein the coordinate transformation relation is used for converting a screen plane coordinate system of the target mobile phone into a test physical space coordinate system of the target mobile phone; in the mobile phone testing process, screen pixel coordinates of any pixel point on a screen of a target mobile phone in a screen plane coordinate system are obtained; the method comprises the steps of obtaining a physical space coordinate of any pixel point on a screen of a target mobile phone based on a screen pixel coordinate and a coordinate transformation relation, and realizing that any point in a screen plane coordinate system of the target mobile phone can be converted into the whole physical test environment in the mobile phone test process, so that the physical position of any point on the screen of the tested target mobile phone is determined, and the physical space position of the detected defect point of the target mobile phone is convenient to determine.

Description

A method and device for spatial position detection of pixel points on a mobile phone screen

technical field

The present application relates to the field of computers, and in particular, to a method and device for detecting the spatial position of pixels on a mobile phone screen.

Background technique

In the prior art, people use smart phones more and more widely, and there are more and more usage demands, thus promoting the continuous upgrading of smart phones. Due to the continuous upgrading of mobile phones, there are different versions of old mobile phones for recycling. In the process of recycling smart phones, manpower is used to check whether the screen surfaces of the recycled smart phones are in good condition, resulting in the recycling of smart phones. Labor costs and inefficiencies are high when performing screen surface integrity checks.

SUMMARY OF THE INVENTION

An object of the present application is to provide a method and device for detecting the spatial position of pixel points on a mobile phone screen, so as to solve the problems of high labor cost and low efficiency caused by the integrity detection of the recovered mobile phone screen in the prior art.

According to one aspect of the present application, there is provided a method for detecting the spatial position of pixels on a mobile phone screen, wherein the method includes:

Determine the coordinate transformation relationship of the target mobile phone, wherein the coordinate transformation relationship is used to convert the screen plane coordinate system of the target mobile phone into the test physical space coordinate system of the target mobile phone;

In the mobile phone testing process, obtain the screen pixel coordinates of any pixel on the screen of the target mobile phone in the screen plane coordinate system;

Based on the screen pixel coordinates and the coordinate transformation relationship, the physical space coordinates of any pixel on the screen of the target mobile phone are obtained.

Further, in the above method, the determining the coordinate transformation relationship of the target mobile phone includes:

The target mobile phone is placed flat in the test physical environment, and the test physical space coordinate system is used to coordinate any point of the mobile phone in the test physical environment;

Obtain the first physical coordinate position of a corner of the flat surface of the target mobile phone in the test physical space coordinate system, and the second physical coordinate position of the diagonal diagonal angle of the corner in the test physical space coordinate system ;

Obtain the first screen coordinate position of a corner of the screen of the target mobile phone in the screen plane coordinate system and the second screen coordinate position of the diagonally diagonal corner of the screen corner in the screen plane coordinate system;

The coordinate transformation relationship of the target mobile phone is determined according to the first physical coordinate position, the first screen coordinate position, the second physical coordinate position, and the second screen coordinate position.

Further, in the above method, the said first physical coordinate position, said first screen coordinate position, said second physical coordinate position and said second screen coordinate position, said determining said target mobile phone Coordinate transformation relationship, including:

Calculate the length and width of the target mobile phone according to the first physical coordinate position and the second physical coordinate position;

According to the length and width of the target mobile phone and the first screen coordinate position and the second screen coordinate position of the target mobile phone in the screen plane coordinate system, the coordinate transformation of the target mobile phone is calculated and obtained relation.

According to another aspect of the present application, there is also provided a device for detecting the spatial position of pixels on a mobile phone screen, wherein the device includes:

a determining device for determining the coordinate transformation relationship of the target mobile phone, wherein the coordinate transformation relationship is used to convert the screen plane coordinate system of the target mobile phone into the test physical space coordinate system of the target mobile phone;

an acquisition device, used for acquiring the screen pixel coordinates of any pixel point on the screen of the target mobile phone in the screen plane coordinate system during the mobile phone testing process;

A detection device, configured to obtain the physical space coordinates of any pixel point on the screen of the target mobile phone based on the screen pixel coordinates and the coordinate transformation relationship.

Further, in the above equipment, the determining device is used for:

The target mobile phone is placed flat in the test physical environment, and the test physical space coordinate system is used to coordinate any point of the mobile phone in the test physical environment;

Obtain the first physical coordinate position of a corner of the flat surface of the target mobile phone in the test physical space coordinate system, and the second physical coordinate position of the diagonal diagonal angle of the corner in the test physical space coordinate system ;

Obtain the first screen coordinate position of a corner of the screen of the target mobile phone in the screen plane coordinate system and the second screen coordinate position of the diagonally diagonal corner of the screen corner in the screen plane coordinate system;

The coordinate transformation relationship of the target mobile phone is determined according to the first physical coordinate position, the first screen coordinate position, the second physical coordinate position, and the second screen coordinate position.

Further, in the above equipment, the determining device is used for:

Calculate the length and width of the target mobile phone according to the first physical coordinate position and the second physical coordinate position;

According to the length and width of the target mobile phone and the first screen coordinate position and the second screen coordinate position of the target mobile phone in the screen plane coordinate system, the coordinate transformation of the target mobile phone is calculated and obtained relation.

According to another aspect of the present application, there is also provided a non-volatile storage medium having computer-readable instructions stored thereon. When the computer-readable instructions can be executed by a processor, the processor can implement the above-mentioned The spatial position detection method of the pixel point of the mobile phone screen.

Compared with the prior art, the present application first determines the coordinate transformation relationship of the target mobile phone, and the coordinate transformation relationship is used to convert the screen plane coordinate system of the target mobile phone into the test physical space coordinate system of the target mobile phone; During the test, obtain the screen pixel coordinates of any pixel on the screen of the target mobile phone in the screen plane coordinate system; based on the screen pixel coordinates and the coordinate transformation relationship, obtain the screen of the target mobile phone. The physical space coordinates of any one of the pixel points on the screen of the target mobile phone can convert the screen pixel coordinates of any point on the screen of the target mobile phone into physical space coordinates, so that in the process of mobile phone testing, the screen plane coordinate system of the target mobile phone itself can be converted. Convert any point in the test environment to the whole physical test environment, so as to realize the determination of the physical position of any point on the screen of the target mobile phone under test, which is convenient to determine the physical space position of the defect point in the target mobile phone.

Description of drawings

Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

1 shows a schematic flowchart of a method for detecting spatial positions of pixels on a mobile phone screen according to an aspect of the present application;

FIG. 2 shows a schematic structural diagram of a device for detecting spatial positions of pixels on a mobile phone screen according to an aspect of the present application.

The same or similar reference numbers in the drawings represent the same or similar parts.

Detailed ways

The present application will be described in further detail below with reference to the accompanying drawings.

In a typical configuration of the present application, the terminal, the device serving the network, and the trusted party each include one or more processors (CPUs), input/output interfaces, network interfaces, and memory.

Memory may include non-persistent memory in computer readable media, random access memory (RAM) and/or non-volatile memory in the form of, for example, read only memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.

Computer-readable media includes both persistent and non-permanent, removable and non-removable media, and storage of information may be implemented by any method or technology. Information may be computer readable instructions, data structures, modules of programs, or other data. Examples of computer storage media include, but are not limited to, phase-change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read only memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), Flash Memory or other memory technology, Compact Disc Read Only Memory (CD-ROM), Digital Versatile Disc (DVD) or other optical storage, Magnetic tape cartridges, magnetic tape disk storage or other magnetic storage devices or any other non-transmission medium that can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, excludes non-transitory computer-readable media, such as modulated data signals and carrier waves.

As shown in FIG. 1 , a schematic flowchart of a method for detecting the spatial position of pixel points on a mobile phone screen according to an aspect of the present application is applied to the process of detecting the integrity or whether there is a defect of a target mobile phone to be detected, and the method includes step S11 , Step S12 and Step S13, which specifically include the following steps:

Step S11, determining the coordinate transformation relationship of the target mobile phone, wherein the coordinate transformation relationship is used to convert the screen plane coordinate system of the target mobile phone into the test physical space coordinate system of the target mobile phone. Here, the screen plane coordinate system of the target mobile phone is used to indicate the coordinates of the screen plane of the target mobile phone itself. It is regarded as abscissa and ordinate; for another example, the center point of the flat surface of the target mobile phone is regarded as the coordinate origin, and the horizontal and vertical coordinates are calibrated in the flat surface based on the coordinate origin to achieve Determination of the screen plane coordinate system of the target mobile phone itself. The test physical space coordinate system of the target mobile phone is used to indicate the coordinate system of the target mobile phone in the test physical environment, which is convenient for marking and determining the overall physical space of the target mobile phone.

When it is necessary to test the integrity of the target mobile phone or whether there is a defect, in the process of testing the target mobile phone, step S12, obtain any pixel on the screen of the target mobile phone in the screen plane coordinate system Here, any pixel point on the target mobile phone can be a point with defects, such as a damaged point, a reflective point, and a pixel point in the screen area where the Home key is located.

Step S13, based on the screen pixel coordinates and the coordinate transformation relationship, obtain the physical space coordinates of any one of the pixel points on the target mobile phone, and realize the conversion of any pixel point in the target mobile phone from the target mobile phone. The screen plane coordinate system of the mobile phone is converted to the test physical space coordinate system in the overall physical test environment.

Through the above steps S11 to S13, the screen pixel coordinates of any point of the target mobile phone are converted into physical space coordinates, so that during the mobile phone test process, any point in the screen plane coordinate system of the target mobile phone itself can be converted to the entire In the physical test environment, the physical position of any point on the screen of the target mobile phone to be tested can be determined, and it is convenient to determine the physical space position of the defect point or the detection point of the target mobile phone.

For example, in step S11, first determine the test physical space coordinate system A used to convert the screen plane coordinate system of the target mobile phone into the test physical space coordinate system A of the target mobile phone; when the target mobile phone needs to be tested for integrity or whether there is a defect, In the process of testing the target mobile phone, if any pixel point on the target mobile phone obtained in step S12 is a pixel point D, and the pixel point D is in the screen pixel coordinate X in the screen plane coordinate system; In step S13, based on the screen pixel coordinate X and the coordinate transformation relationship A, the physical space coordinate Y of any one of the pixel points on the target mobile phone is obtained, that is, Y=AX, so as to realize the transformation of the target mobile phone. Any pixel is converted from the screen plane coordinate system of the target mobile phone to the test physical space coordinate system in the overall physical test environment.

Following the above-mentioned embodiment of the present application, the step S11 determines the coordinate transformation relationship of the target mobile phone, wherein the coordinate transformation relationship is used to convert the screen plane coordinate system of the target mobile phone into the test physical space coordinates of the target mobile phone department, including:

The target mobile phone is placed flat in the test physical environment, and the test physical space coordinate system is used to coordinate any point of the mobile phone in the test physical environment;

Obtain the first physical coordinate position of a corner of the flat surface of the target mobile phone in the test physical space coordinate system, and the second physical coordinate position of the diagonal diagonal angle of the corner in the test physical space coordinate system ;

Obtain the first screen coordinate position of a corner of the screen of the target mobile phone in the screen plane coordinate system and the second screen coordinate position of the diagonally diagonal corner of the screen corner in the screen plane coordinate system;

The coordinate transformation relationship of the target mobile phone is determined according to the first physical coordinate position, the first screen coordinate position, the second physical coordinate position, and the second screen coordinate position.

For example, in order to facilitate the conversion of the screen plane coordinate system of the target mobile phone into the test physical space coordinate system of the target mobile phone, in the process of determining the coordinate transformation relationship, first place the target mobile phone flat on the test In the physical environment, it is used to detect the integrity of the surface or screen of the target mobile phone or whether there are defects. In order to facilitate marking any pixel of the target mobile phone in the test physical environment, the test physical Create a corresponding test physical space coordinate system in the environment to facilitate the overall physical space positioning of any pixel on the target mobile phone; then, obtain a corner V of the flat surface of the target mobile phone in the test physical space coordinate system The first physical coordinate position in the first physical coordinate position, and the second physical coordinate position of the diagonal diagonal angle V' of the corner V in the test physical space coordinate system; Then, obtain the corner V (screen of the screen P of the target mobile phone ) the second screen coordinate position of the first screen coordinate position in the screen plane coordinate system and the diagonal diagonal angle V' (screen) of a corner V (screen) of the screen P in the screen plane coordinate system; According to the first physical coordinate position, the first screen coordinate position, the second physical coordinate position and the second screen coordinate position, the coordinate transformation relationship A of the target mobile phone is determined, so as to realize the The determination of the coordinate transformation relationship A.

Following the above-mentioned embodiment of the present application, in step S11, the first physical coordinate position, the first screen coordinate position, the second physical coordinate position and the second screen coordinate position are determined to determine the The coordinate transformation relationship of the target mobile phone specifically includes:

Calculate the length and width of the target mobile phone according to the first physical coordinate position and the second physical coordinate position;

According to the length and width of the target mobile phone and the first screen coordinate position and the second screen coordinate position of the target mobile phone in the screen plane coordinate system, the coordinate transformation of the target mobile phone is calculated and obtained relation.

For example, according to the first physical coordinate position of the corner V (eg, the upper left corner) of the flat surface of the target mobile phone in the test physical space coordinate system and the diagonally opposite corner of the corner V (eg, the upper left corner) The second physical coordinate position of V' (for example, the lower right corner) in the test physical space coordinate system, the length and width of the target mobile phone are calculated, so as to calculate the actual screen of the overall flat surface of the target mobile phone range; then according to the first screen coordinate position of the corner V (screen) of the screen P of the target mobile phone in the screen plane coordinate system and the diagonal diagonal angle V' (screen) of the corner V (screen) of the screen P ) in the coordinate position of the second screen in the screen plane coordinate system, calculate the ratio between the whole of the target mobile phone and the screen of the target mobile phone, that is, the coordinate transformation relationship, so that the subsequent can be based on the ratio. Convert the screen pixel coordinates of any pixel on the screen of the target mobile phone into physical space coordinates in the test physical environment.

As shown in FIG. 2 , a schematic structural diagram of a device for detecting the spatial position of pixel points on a mobile phone screen according to an aspect of the present application is applied in the process of detecting the integrity or whether there is a defect of a target mobile phone to be detected. The device includes a determining device. 11. The acquisition device 12 and the detection device 13, which specifically include the following steps:

The determining device 11 is configured to determine the coordinate transformation relationship of the target mobile phone, wherein the coordinate transformation relationship is used to convert the screen plane coordinate system of the target mobile phone into the test physical space coordinate system of the target mobile phone. Here, the screen plane coordinate system of the target mobile phone is used to indicate the coordinates of the screen plane of the target mobile phone itself. It is regarded as abscissa and ordinate; for another example, the center point of the flat surface of the target mobile phone is regarded as the coordinate origin, and the horizontal and vertical coordinates are calibrated in the flat surface based on the coordinate origin to achieve Determination of the screen plane coordinate system of the target mobile phone itself. The test physical space coordinate system of the target mobile phone is used to indicate the coordinate system of the target mobile phone in the test physical environment, which is convenient for marking and determining the overall physical space of the target mobile phone.

When it is necessary to test the integrity of the target mobile phone or whether there is a defect, in the process of testing the target mobile phone, the acquiring device 12 is used to acquire any pixel on the screen of the target mobile phone. Screen pixel coordinates in a plane coordinate system; here, any pixel on the target mobile phone may be a defective point, such as a damaged point, a reflective point, and a pixel in the screen area where the Home key is located.

The detection device 13 is configured to obtain the physical space coordinates of any pixel on the target mobile phone based on the screen pixel coordinates and the coordinate transformation relationship, so as to convert any pixel in the target mobile phone. The point is converted from the screen plane coordinate system of the target mobile phone to the test physical space coordinate system in the overall physical test environment.

Through the above determination device 11, acquisition device 12 and detection device 13, the screen pixel coordinates of any point of the target mobile phone are converted into physical space coordinates, so that in the process of mobile phone testing, the screen plane coordinate system of the target mobile phone itself can be converted into Convert any point of the mobile phone to the entire physical test environment, so as to realize the determination of the physical position of any point on the screen of the target mobile phone under test, which is convenient to determine the physical space position of the detected defect point or the detection point of the target mobile phone.

For example, first determine in the determining device 11 to convert the screen plane coordinate system of the target mobile phone into the test physical space coordinate system A of the target mobile phone; when the target mobile phone needs to be tested for integrity or whether there are defects , in the process of testing the target mobile phone, if any pixel point on the target mobile phone acquired in the acquisition device 12 is a pixel point D, and the screen pixel coordinates of the pixel point D in the screen plane coordinate system X; in the detection device 13, based on the screen pixel coordinate X and the coordinate transformation relationship A, the physical space coordinate Y of any one of the pixel points on the target mobile phone is obtained, that is, Y=AX, so that the Any pixel in the target mobile phone is converted from the screen plane coordinate system of the target mobile phone to the test physical space coordinate system in the overall physical test environment.

Following the above-mentioned embodiment of the present application, the determining device 11 is specifically configured to:

The target mobile phone is placed flat in the test physical environment, and the test physical space coordinate system is used to coordinate any point of the mobile phone in the test physical environment;

Obtain the first physical coordinate position of a corner of the flat surface of the target mobile phone in the test physical space coordinate system, and the second physical coordinate position of the diagonal diagonal angle of the corner in the test physical space coordinate system ;

Obtain the first screen coordinate position of a corner of the screen of the target mobile phone in the screen plane coordinate system and the second screen coordinate position of the diagonally diagonal corner of the screen corner in the screen plane coordinate system;

The coordinate transformation relationship of the target mobile phone is determined according to the first physical coordinate position, the first screen coordinate position, the second physical coordinate position, and the second screen coordinate position.

For example, in order to facilitate the conversion of the screen plane coordinate system of the target mobile phone into the test physical space coordinate system of the target mobile phone, in the process of determining the coordinate transformation relationship, first place the target mobile phone flat on the test In the physical environment, it is used to detect the integrity of the surface or screen of the target mobile phone or whether there are defects. In order to facilitate marking any pixel of the target mobile phone in the test physical environment, the test physical Create a corresponding test physical space coordinate system in the environment to facilitate the overall physical space positioning of any pixel on the target mobile phone; then, obtain a corner V of the flat surface of the target mobile phone in the test physical space coordinate system The first physical coordinate position in the first physical coordinate position, and the second physical coordinate position of the diagonal diagonal angle V' of the corner V in the test physical space coordinate system; Then, obtain the corner V (screen of the screen P of the target mobile phone ) the second screen coordinate position of the first screen coordinate position in the screen plane coordinate system and the diagonal diagonal angle V' (screen) of a corner V (screen) of the screen P in the screen plane coordinate system; According to the first physical coordinate position, the first screen coordinate position, the second physical coordinate position and the second screen coordinate position, the coordinate transformation relationship A of the target mobile phone is determined, so as to realize the The determination of the coordinate transformation relationship A.

Following the above-mentioned embodiment of the present application, the determining device 11 is specifically configured to:

Calculate the length and width of the target mobile phone according to the first physical coordinate position and the second physical coordinate position;

According to the length and width of the target mobile phone and the first screen coordinate position and the second screen coordinate position of the target mobile phone in the screen plane coordinate system, the coordinate transformation of the target mobile phone is calculated and obtained relation.

For example, according to the first physical coordinate position of the corner V (eg, the upper left corner) of the flat surface of the target mobile phone in the test physical space coordinate system and the diagonally opposite corner of the corner V (eg, the upper left corner) The second physical coordinate position of V' (for example, the lower right corner) in the test physical space coordinate system, the length and width of the target mobile phone are calculated, so as to calculate the actual screen of the overall flat surface of the target mobile phone range; then according to the first screen coordinate position of the corner V (screen) of the screen P of the target mobile phone in the screen plane coordinate system and the diagonal diagonal angle V' (screen) of the corner V (screen) of the screen P ) in the coordinate position of the second screen in the screen plane coordinate system, calculate the ratio between the whole of the target mobile phone and the screen of the target mobile phone, that is, the coordinate transformation relationship, so that the subsequent can be based on the ratio. Convert the screen pixel coordinates of any pixel on the screen of the target mobile phone into physical space coordinates in the test physical environment.

According to another aspect of the present application, there is also provided a non-volatile storage medium having computer-readable instructions stored thereon, and when the computer-readable instructions can be executed by a processor, the processor can implement the above-mentioned The spatial position detection method of the pixel point of the mobile phone screen.

To sum up, the present application first determines the coordinate transformation relationship of the target mobile phone, and the coordinate transformation relationship is used to convert the screen plane coordinate system of the target mobile phone into the test physical space coordinate system of the target mobile phone; , obtain the screen pixel coordinates of any pixel on the screen of the target mobile phone in the screen plane coordinate system; based on the screen pixel coordinates and the coordinate transformation relationship, obtain the screen pixel coordinates of the target mobile phone. The physical space coordinates of any one of the pixel points realize the conversion of the screen pixel coordinates of any point on the screen of the target mobile phone into physical space coordinates, so that in the process of mobile phone testing, the screen plane coordinate system of the target mobile phone itself can be converted. Any point is converted into the entire physical test environment, so as to realize the determination of the physical position of any point on the screen of the target mobile phone under test, which is convenient for determining the physical space position of the defect point in the target mobile phone.

It should be noted that the present application may be implemented in software and/or a combination of software and hardware, eg, an application specific integrated circuit (ASIC), a general purpose computer, or any other similar hardware device. In one embodiment, the software program of the present application may be executed by a processor to implement the steps or functions described above. Likewise, the software programs of the present application (including associated data structures) may be stored on a computer-readable recording medium, such as RAM memory, magnetic or optical drives or floppy disks, and the like. In addition, some steps or functions of the present application may be implemented in hardware, for example, as a circuit that cooperates with a processor to perform various steps or functions.

In addition, a part of the present application can be applied as a computer program product, such as computer program instructions, which when executed by a computer, through the operation of the computer, can invoke or provide methods and/or technical solutions according to the present application. The program instructions for invoking the methods of the present application may be stored in fixed or removable recording media, and/or transmitted via data streams in broadcast or other signal-bearing media, and/or stored in accordance with the in the working memory of the computer device on which the program instructions are executed. Here, an embodiment according to the present application includes an apparatus comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein, when the computer program instructions are executed by the processor, a trigger is The apparatus operates based on the aforementioned methods and/or technical solutions according to various embodiments of the present application.

It will be apparent to those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Accordingly, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the application is to be defined by the appended claims rather than the foregoing description, which is therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in this application. Any reference signs in the claims shall not be construed as limiting the involved claim. Furthermore, it is clear that the word "comprising" does not exclude other units or steps and the singular does not exclude the plural. Several units or means recited in the device claims can also be realized by one unit or means by means of software or hardware. The terms first, second, etc. are used to denote names and do not denote any particular order.

Claims (7)

1. A method for detecting the spatial position of a pixel of a mobile phone screen, wherein the method comprises: Determine the coordinate transformation relationship of the target mobile phone, wherein the coordinate transformation relationship is used to convert the screen plane coordinate system of the target mobile phone into the test physical space coordinate system of the target mobile phone; In the mobile phone testing process, obtain the screen pixel coordinates of any pixel on the screen of the target mobile phone in the screen plane coordinate system; Based on the screen pixel coordinates and the coordinate transformation relationship, the physical space coordinates of any pixel on the screen of the target mobile phone are obtained. 2. The method according to claim 1, wherein the coordinate transformation relationship of the target mobile phone is determined, wherein the coordinate transformation relationship is used to convert the screen plane coordinate system of the target mobile phone into a test of the target mobile phone Physical space coordinate system, including: The target mobile phone is placed flat in the test physical environment, and the test physical space coordinate system is used to coordinate any point of the mobile phone in the test physical environment; Obtain the first physical coordinate position of a corner of the flat surface of the target mobile phone in the test physical space coordinate system, and the second physical coordinate position of the diagonal diagonal angle of the corner in the test physical space coordinate system ; Obtain the first screen coordinate position of a corner of the screen of the target mobile phone in the screen plane coordinate system and the second screen coordinate position of the diagonally diagonal corner of the screen corner in the screen plane coordinate system; The coordinate transformation relationship of the target mobile phone is determined according to the first physical coordinate position, the first screen coordinate position, the second physical coordinate position, and the second screen coordinate position. 3. The method according to claim 2, wherein said determining the said first physical coordinate position, said first screen coordinate position, said second physical coordinate position and said second screen coordinate position The coordinate transformation relationship of the target mobile phone, including: Calculate the length and width of the target mobile phone according to the first physical coordinate position and the second physical coordinate position; According to the length and width of the target mobile phone and the first screen coordinate position and the second screen coordinate position of the target mobile phone in the screen plane coordinate system, the coordinate transformation of the target mobile phone is calculated and obtained relation. 4. A device for detecting the spatial position of pixels on a mobile phone screen, wherein the device comprises: a determining device for determining the coordinate transformation relationship of the target mobile phone, wherein the coordinate transformation relationship is used to convert the screen plane coordinate system of the target mobile phone into the test physical space coordinate system of the target mobile phone; an acquisition device, used for acquiring the screen pixel coordinates of any pixel point on the screen of the target mobile phone in the screen plane coordinate system during the mobile phone testing process; The detection device is configured to obtain the physical space coordinates of any pixel point on the screen of the target mobile phone based on the screen pixel coordinates and the coordinate transformation relationship. 5. The apparatus of claim 4, wherein the determining means is configured to: The target mobile phone is placed flat in the test physical environment, and the test physical space coordinate system is used to coordinate any point of the mobile phone in the test physical environment; Obtain the first physical coordinate position of a corner of the flat surface of the target mobile phone in the test physical space coordinate system, and the second physical coordinate position of the diagonal diagonal corner of the corner in the test physical space coordinate system ; Obtain the first screen coordinate position of a corner of the screen of the target mobile phone in the screen plane coordinate system and the second screen coordinate position of the diagonally diagonal corner of the screen corner in the screen plane coordinate system; The coordinate transformation relationship of the target mobile phone is determined according to the first physical coordinate position, the first screen coordinate position, the second physical coordinate position, and the second screen coordinate position. 6. The apparatus of claim 5, wherein the determining means is configured to: Calculate the length and width of the target mobile phone according to the first physical coordinate position and the second physical coordinate position; According to the length and width of the target mobile phone and the first screen coordinate position and the second screen coordinate position of the target mobile phone in the screen plane coordinate system, the coordinate transformation of the target mobile phone is calculated and obtained relation. 7. A non-volatile storage medium having computer-readable instructions stored thereon which, when executable by a processor, cause the processor to implement the invention as claimed in any one of claims 1 to 3 method described.

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