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Method and device for increasing camera collecting speed of lamp inspection machine

A technology of acquisition speed and light inspection machine, which is used in measuring devices, material analysis by optical means, instruments, etc., can solve the problems of occupying transmission bandwidth, increasing costs, and shifting the target image out of the image, reducing blank areas, The effect of reducing the occupation of transmission bandwidth

Active Publication Date: 2014-03-26
TRUKING TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, this part will also occupy the transmission bandwidth, which will increase the cost of image acquisition, transmission, processing, etc.
[0005] In addition, due to the influence of mechanical inertia or other factors, the target image (such as a bottle) is likely to shift out of the image, which also seriously affects the accuracy and stability of the light inspection machine.

Method used

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  • Method and device for increasing camera collecting speed of lamp inspection machine
  • Method and device for increasing camera collecting speed of lamp inspection machine
  • Method and device for increasing camera collecting speed of lamp inspection machine

Examples

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Embodiment 1

[0043] Such as figure 2 and image 3 As shown, in the method for improving the acquisition speed of the camera in the light inspection machine in this embodiment, by adjusting the configuration file of camera 1 in the light inspection machine, the area of ​​the target image collected by camera 1 occupies 80% to 90% of the entire image area, where The area of ​​the target image is the area enclosed by the contour lines of the target image. Take one of Basler's Cameralink cameras to shoot ampoule 6 as a reference object. Camera 1 has a resolution of 2040x1080 and a frame rate of 340fps. After camera 1 is connected, you can see the default parameters of camera 1 in its setting software. Figure 5 shown. The theoretically collected images such as Figure 6 As shown, the image data is 2040x1080, 8bit, the data volume is 2M (2040x1080x8bit), and the acquisition speed is about 340 frames per second (it varies with the length of the wire used and the function of the capture card 2...

Embodiment 2

[0057] Such as Figure 4 As shown, the difference between this embodiment and Embodiment 1 is only that the positioning method for the position of the target picture in the image is different. The positioning method of this embodiment includes the following steps:

[0058] 1) Acquire a single image, preset the ideal deviation threshold between the abscissa of the center of the image and the abscissa of the center of the target image, and define the coordinate D of the lower left corner of the image 0 (0, 0), the coordinate of the upper right corner is D 1 (X, Y), the abscissa of the image center is X 0 =X / 2;

[0059] 2) Find four edge points on the contour line of the target image in the image using the change of the gray value in the horizontal direction, two of which are symmetrically distributed on both sides of the bottom of the target image, and their abscissas are X [1] 、X [2] ; The other two edge points are symmetrically distributed on both sides of the upper part o...

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Abstract

The invention discloses a method for increasing the camera collecting speed of a lamp inspection machine. The target image area collected by a camera is enabled to account for 80%-90% of the whole image area through regulation of a configuration file of the camera in the lamp inspection machine, wherein the target image area is an area defined by a contour line of a target image. The method has the advantage of capacity of increasing the camera collecting speed of the lamp inspection machine. The invention further discloses a device for increasing the camera collecting speed of the lamp inspection machine. The device comprises a control component used for regulating the configuration file of the camera in the lamp inspection machine and a collecting component used for collecting the target image in the lamp inspection machine. The device has the advantages of capacity of increasing the camera collecting speed of the lamp inspection machine.

Description

technical field [0001] The invention mainly relates to the technical field of light inspection machines, in particular to a method and device for improving the acquisition speed of cameras in light inspection machines. Background technique [0002] At present, industrial cameras have the following interface standards: 1394, GigE, USB, CameraLink, CoaxPress. The cost of cameras using different interfaces will vary greatly, and the cost basically increases from left to right. In the light inspection machine industry, 1394, GigE interface cameras are generally used, while the existing 1394, GigE, USB interface cameras generally use acquisition speeds ranging from dozens of frames per second to more than one hundred frames per second, while Cameralink interface cameras can reach more than 300 frames per second. [0003] In order to increase the acquisition speed, generally in consideration of the cost, the interface standard is generally increased as appropriate, or the hardwa...

Claims

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Application Information

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IPC IPC(8): G01N21/90G01N21/01
Inventor 余再欢朱剑平李姝洁
Owner TRUKING TECH LTD