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A method for detecting whether the liquid level of the bottle meets the filling requirements

A liquid level and bottle body technology, applied in the field of digital image processing, can solve problems affecting drug quality, judgment errors, visual fatigue, etc., and achieve the effect of improving detection accuracy and efficiency

Active Publication Date: 2016-06-29
TIANJIN PUDA SOFTWARE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although manual inspection is convenient and intuitive, it is greatly affected by subjective factors. Workers who work for a long time may easily cause visual fatigue and make judgment errors, which will affect the quality of medicines.

Method used

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  • A method for detecting whether the liquid level of the bottle meets the filling requirements
  • A method for detecting whether the liquid level of the bottle meets the filling requirements
  • A method for detecting whether the liquid level of the bottle meets the filling requirements

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Experimental program
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Embodiment Construction

[0028] The present invention is described below in conjunction with accompanying drawing and embodiment, see Figure 1-5 .

[0029] (1) Collect an image

[0030] The size of the image is 1280*960 pixels. The image may contain one or more detection targets (bottles), but each time only the bottle body at a fixed position in the image is detected, and the bottle body at other positions is not detected. .

[0031] In this example, the captured images are as figure 1 As shown, the image size is 1280*960 pixels, and the bottle body in the middle position will be detected.

[0032] (2) Select the positioning area

[0033] The positioning area is a rectangular frame. Since the position of the bottle body in the image may be different each time during automatic detection, in order to ensure that there is at least one complete bottle body in the rectangular frame, the horizontal length of the rectangular frame is about twice the width of the bottle head, and the horizontal directi...

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Abstract

The invention belongs to the technical field of digital image treatment, and provides a method for detecting the liquid level of a bottle body in accordance with filling requirements. The method comprises the following steps: (1) collecting an image according with the filled bottle body; (2) selecting a position area; (3) determining the position of a bottle head; (4) determining a reference search area and a reference point; (5) determining a liquid level search area; and (6) judging whether the liquid level accords with the filling requirements or not. According to the method, whether the liquid level of the filled medicine accords with the filling requirements can be rapidly, objectively and accurately detected; and the detection accuracy and efficiency of the medicine quality are improved.

Description

Technical field [0001] The invention belongs to digital image processing and relates to a method for detecting the liquid level of a bottle body. Background technique [0002] During the filling process of liquid medicine, insufficient or overfilling directly affects the quality of the medicine. At present, whether the liquid level of liquid medicine after filling meets the filling requirements mainly depends on manual visual inspection. Although manual inspection is convenient and intuitive, it is greatly affected by subjective factors. Workers who work for a long time will easily cause visual fatigue and make judgment errors, which will affect the quality of medicines. Contents of the invention [0003] The purpose of the present invention is to provide a detection method that can quickly and accurately detect whether the liquid level of the bottle meets the filling requirements. This detection method can replace manual detection, and overcomes the interference of subj...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B67C3/28
CPCB67C3/284
Inventor 南兆龙李凤婷余天洪任海燕
Owner TIANJIN PUDA SOFTWARE TECH