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Method and terminal device for measuring size based on terminal

A technology for terminal measurement and terminal equipment, which is applied in the field of measurement and can solve problems such as low accuracy and error in measurement results.

Active Publication Date: 2017-04-12
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Embodiments of the present invention provide a method for measuring dimensions based on a terminal and terminal equipment, which are used to solve the problems in the prior art that the measurement results have large errors and low accuracy when using terminals to measure the dimensions of objects.

Method used

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  • Method and terminal device for measuring size based on terminal
  • Method and terminal device for measuring size based on terminal
  • Method and terminal device for measuring size based on terminal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0114] refer to figure 2 As shown, in the embodiment of the present invention, the flow of a method for measuring size based on the terminal is as follows:

[0115] Step 200: For the linear object whose length value is to be measured on the target object, when a first angle is formed between the linear object and the plane where the terminal screen is located, take a first image of the linear object, and obtain the first image when the first image is captured. - Shooting attribute information;

[0116] Step 210: When a second included angle is formed between the straight line object and the plane where the terminal screen is located, take a second image for the straight line object, and obtain the angle difference between the first included angle and the second included angle, and when shooting the second image The attribute information of the second shooting;

[0117] Step 220: According to the first shooting attribute information, the second shooting attribute information...

Embodiment 2

[0162] Step 300: For the straight line object whose length value is to be measured on the target object, take the straight line object perpendicular to the straight line object as the rotation axis, and rotate within the preset angle range from the plane where the screen of the terminal is located parallel to the straight line object as the starting point, continuously Shooting a rectilinear object to obtain at least one image;

[0163] Step 310: Obtain the number of pixels included in at least one image;

[0164] Step 320: Determine the image corresponding to the maximum number of pixels, and obtain the shooting attribute information used when shooting the image corresponding to the maximum number of pixels, wherein the shooting attribute information includes the image height, and the image height is the height when the plane of the terminal screen is parallel to the target object equal as high substance;

[0165] Step 330: Determine the length value of the straight line obj...

Embodiment 3

[0178] Embodiment three: specifically as Figure 4 shown

[0179] Step 400: The terminal takes a first image of the straight object when a first angle is formed between the straight object and the plane where the terminal screen is located;

[0180] Step 410: The terminal obtains the first image distance, the first image height, and the first focal length, and determines the first object distance based on Formula 2 according to the first image distance and the first focal length;

[0181] Step 420: When the terminal forms a second angle between the straight object and the plane where the terminal screen is located, take a first image of the straight object;

[0182] Step 430: The terminal acquires the angle difference between the first included angle and the second included angle, and acquires the second image distance, the second image height, and the second focal length, and determines the second image distance and the second focal length based on Formula 2 Object distance...

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Abstract

The invention relates to the technical field of measurement and discloses a method for measuring sizes based on a terminal and terminal equipment. In the first method, a first image height is converted when an included angle exists between the plane of where a terminal screen is positioned and a target object, so that the converted first image height is substantially equal to the image height when the plane of where the terminal screen is positioned is parallel to the target object, the converted first image height is accurate at the moment, and therefore by the method, the errors of measuring results are avoided, and the accuracy of the measuring results is improved. In the second method for measuring the sizes based on the terminal, the image height included in shooting attribute information adopted by an image corresponding to the maximum shooting pixel value is substantially equal to the image height when the plane where the terminal screen is positioned is parallel to the target object, and the length value of the target object is further calculated according to the image height which is equal to the image height when the plane where the terminal screen is positioned is parallel to the target object; thus, the errors of the measuring results are avoided, and the accuracy of the measuring results is improved.

Description

technical field [0001] The invention relates to the field of measurement technology, in particular to a method for measuring size based on a terminal and a terminal device. Background technique [0002] With the development of science and technology, terminals have become more and more important mobile communication tools in life. As the functions of terminals become more and more powerful, different functions of terminals play an important role in life. In addition to the functions, various new functions are added, such as positioning the user through the terminal, realizing the remote control of the remote device, even realizing the monitoring of the human health index, or realizing simple office work, etc., the terminal is different Functions bring different conveniences to users. [0003] At present, the concept of an object is not only visual, but sometimes it is necessary to know the size of the object. In this case, it is usually necessary to use a measuring tool to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/02
Inventor 薛黎
Owner HUAWEI TECH CO LTD