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Image processing software algorithm for realizing mold monitor

An image processing software and monitor technology, applied in image data processing, image enhancement, image analysis, etc., can solve problems such as difficulty in gaining user recognition in the low-end market, impact on detection speed, and easy generation of false positives, etc. Environmental adaptability, ensuring accuracy and stability, the effect of enhancing robustness

Active Publication Date: 2017-07-07
深圳市宝捷信科技有限公司
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Problems solved by technology

This method is prone to false positives when the image pixels are near the saturated area or the brightness of the ambient light changes greatly.
[0006] 3. Binocular vision technology based on institutional light: This technology can improve the detection accuracy, but the cost is relatively expensive, and the detection speed is also affected to a certain extent. It is difficult to obtain user approval in the low-end market

Method used

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  • Image processing software algorithm for realizing mold monitor
  • Image processing software algorithm for realizing mold monitor
  • Image processing software algorithm for realizing mold monitor

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Embodiment Construction

[0043] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0044] Below in conjunction with accompanying drawing, the technical solution of the present invention is further introduced as follows: figure 1 , as shown in 2, the normal exposure, underexposure and overexposure images of multiple qualified images are used as templates for the algorithm;

[0045] Template overexposure and underexposure strategy: use the gray value [5-15], [240-250] brightness interval and the histogram distribution of this interval can be set for exposure adjustment;

[0046] The adjustment of exposure obtains the relationship between the brightness and gain of the current template through automatic learning, and at the same time sets the gain range to prevent the adjustment from going out of bounds.

[0047] When the gain is out of bounds, adjust the gain back to the normal range by adjusting the exposure time;

[0048] Image temp...

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Abstract

The invention discloses an image processing software algorithm for realizing a mold monitor. A plastic piece and a mold cavity can be detected at the same time, through adding comparison with over exposure and under exposure templates, image error detection by the previous mold protector caused by image pixel value saturation (reaching areas near 255 and 0) is solved, or manual intervention is needed for adding an easy error detection area to a neglect area, manual intervention is thus reduced, and besides, the brightness change problem can be solved through judgment on structure similarities, the original contour of a surplus template and the contour of a differential image are compared, the error detection possibility is further reduced, and the manual intervention times are greatly reduced. The image processing speed is quickened through variance ratio comparison, multi-template matching is only carried out on a detected suspected NG area, the detection speed is quickened, and influences on a production period are shortened.

Description

technical field [0001] The invention relates to the field of image processing software algorithms, in particular to an image processing software algorithm for realizing a mold monitor. Background technique [0002] As the most important molding equipment for injection molding products in the manufacturing industry, the quality of molds is directly related to the quality of products. In addition, because the mold accounts for a large proportion of the production cost of injection molding, its service life directly affects the product cost. Therefore, improving the mold quality, properly maintaining it and prolonging its service life are important weights for the injection molding product processing industry to reduce costs and improve efficiency. In actual production, due to frequent mold replacement, when the injection molding machine is running, the expensive molds in each production cycle may be damaged due to product residue or slider misalignment. Mold protectors can ef...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06T5/00G06F9/44
CPCG06F8/34G06T7/001G06T2207/30116G06T5/70
Inventor 李运秀
Owner 深圳市宝捷信科技有限公司
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