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Dimension measuring and calculating method and device, image detection equipment and readable storage medium

A technology of image detection and size, applied in measuring devices, optical devices, instruments, etc., can solve problems such as large errors

Inactive Publication Date: 2021-03-09
SHENZHEN SCHRODER INDUSTYR MEASURE & CONTROLS EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the existing method of judging the size of the target object based on the image, the inspector generally judges the size of the target object based on experience through the detection image, and the error is very large, which is not conducive to the further work on the target object

Method used

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  • Dimension measuring and calculating method and device, image detection equipment and readable storage medium
  • Dimension measuring and calculating method and device, image detection equipment and readable storage medium
  • Dimension measuring and calculating method and device, image detection equipment and readable storage medium

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Effect test

Embodiment 1

[0045] figure 1 It is a flow chart of a size measurement method provided in Embodiment 1 of the present invention, the method is applied to image detection equipment provided with a preset number of laser emitting devices, and includes the following steps:

[0046] Step S11: controlling the laser emitting device to emit laser light to the target object to form a laser pattern.

[0047] In the embodiment of the present invention, the above-mentioned image detection device includes a smart device with a camera module, such as a detection robot and a camera device, etc., which are not limited here. A preset number of laser emitting devices are set in the same direction as the image is collected by the image detection device, so that when the size measurement function of the image detection device is activated, the preset number of laser emitting devices can be controlled to move in the direction of the target object of the image detection device Laser light is generated to form ...

Embodiment 2

[0054] figure 2 It is a flow chart of calculating the actual size of a target object provided by Embodiment 2 of the present invention.

[0055] In the embodiment of the present invention, the laser emitting device includes at least two point-shaped laser emitters that emit light in parallel, and a distance sensor arranged on each of the point-shaped laser emitters, the laser pattern is a laser point, including Follow the steps below:

[0056] Step S21: Using the distance sensor to acquire the projection distance between the point laser emitter and the corresponding laser point.

[0057] Step S22: acquiring the pixel distance between the laser points in the estimated image, and the pixel size of the target object in the estimated image.

[0058] In the embodiment of the present invention, the laser emitting device includes two or more point-shaped laser emitters that emit light in parallel, and each point-shaped laser emitter is provided with a distance sensor in the emissi...

Embodiment 3

[0066] image 3 It is a flow chart of a size measurement method provided by Embodiment 3 of the present invention, which is applied to image detection equipment provided with a preset number of laser emitting devices, and the laser emitting devices include a distance sensor and a laser liner , the laser pattern is a laser line segment. Including the following steps:

[0067] Step S31: controlling the laser emitting device to emit laser light to the target object to form a laser pattern.

[0068] This step is consistent with the above step S11, and will not be repeated here.

[0069] Step S32: collecting a measurement image including the laser pattern and the target object by the image detection device.

[0070] This step is consistent with the above step S12, and will not be repeated here.

[0071] Step S33: Using the distance sensor to acquire the projection distance between the image detection device and the laser line segment.

[0072] Step S34: Calculate the actual si...

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Abstract

The invention provides a dimension measuring and calculating method and device, image detection equipment and a readable storage medium. The dimension measuring and calculating method is applied to the image detection equipment provided with a preset number of laser emitting devices, and the method comprises the following steps: controlling the laser emitting devices to emit laser to a target object to form a laser graph; collecting a measurement and calculation image comprising the laser graph and the target object through the image detection equipment; and calculating the actual size of thetarget object by using the measurement image through a preset algorithm. According to the dimension measuring and calculating method, the actual dimension of the target object can be accurately and quickly measured and calculated by utilizing the laser graph in the measured and calculated image and the pixel parameters of the target object through the preset algorithm, so that the user experienceis improved.

Description

technical field [0001] The present invention relates to the field of image detection, in particular to a size measurement method, device, image detection equipment and a readable storage medium. Background technique [0002] In the existing method of judging the size of the target object based on the image, the inspector generally judges the size of the target object based on experience through the detection image, and the error is very large, which is not conducive to the further work on the target object. Contents of the invention [0003] In view of the above problems, the present invention provides a size measuring method, device, image detection equipment and readable storage medium to accurately and quickly measure the actual size of the target object, thereby improving user experience. [0004] In order to achieve the above object, the present invention adopts the following technical solutions: [0005] A size measurement method applied to image detection equipment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00
CPCG01B11/00
Inventor 宋有聚张富强
Owner SHENZHEN SCHRODER INDUSTYR MEASURE & CONTROLS EQUIP CO LTD
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