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Counting verification device, counting system and method

A technology of a verification device and a counting method, which is applied in the field of counting, can solve the problems affecting the accuracy of counting results, the influence of dispersion state, etc., and achieve the effect of accurate and reliable counting results

Pending Publication Date: 2021-02-02
METTLER TOLEDO (CHANGZHOU) MEASUREMENT TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, image counting will be affected by factors such as the distribution status of the counted items
If the items to be counted touch or overlap each other, it will also affect the accuracy of the counting results

Method used

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  • Counting verification device, counting system and method
  • Counting verification device, counting system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] When the packaging production line performs counting and packaging, a certain number of products to be packaged are successively transferred to the counting system through the conveyor belt, and the counting system performs weighing and counting. Such as figure 1 As shown, the counting system includes: a scale, a camera, a counting verification device, a storage device and a vibration device. Wherein, the counting verification device includes a processing unit, a calculation unit and a judging unit. The storage device stores quality distribution information of various types of products. The mass distribution information is statistical data information formed according to the weight data distribution of the product collected from the production process, such as product average weight, standard deviation and other data, reflecting the production weight fluctuation of the product.

[0027] The counting system takes images of the batch of products through the camera. Aft...

Embodiment 2

[0037] After the production line completes the production of a batch of products, the batch of products is sent to the counting system, and the counting system weighs and counts the batch of products to calculate their average weight, and then calculates the average weight of the pre-stored products. Data update ensures the accuracy and real-time performance of average weight data. The counting system includes: a scale, a camera, a counting verification device, a storage device and a vibration device. Wherein, the counting verification device includes a processing unit, a judging unit and a calculating unit. The storage device stores quality distribution information of various types of products. The mass distribution information is statistical data information formed according to the weight data distribution of the product collected from the production process, such as product average weight, standard deviation and other data, reflecting the production weight fluctuation of t...

Embodiment 3

[0046] A counting method in this embodiment can be applied to the counting system in the above-mentioned embodiment 1 or 2, so as to complete the counting statistics of the objects to be counted. Such as figure 2 As shown, the counting method includes:

[0047] Step S101, acquiring an image of an object to be counted.

[0048] The counting system takes images of the batch of products through the camera therein. Before the image is taken, the vibration device of the counting system can vibrate the platform where the objects to be counted are placed, so that the objects to be counted are scattered and not in contact with each other.

[0049] Step S102, identifying the number of counted objects in the counted object image.

[0050] After obtaining the captured image, apply the image recognition technology to process the obtained image through the image recognition model of the detected product to identify the number of products in the image, such as including: grayscale proce...

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Abstract

The invention provides a counting verification device, a counting system and a counting method, and the device comprises: a processing unit which is used for carrying out the image recognition and counting of an image of a counted object; a calculation unit which is used for weighing and counting according to the total weighing weight of the counted objects and pre-stored mass distribution information; and a judgment unit which is used for judging whether the image recognition counting number is within the counting error range of the weighing counting number or not according to the mass distribution information, wherein if so, it is judged that the image recognition counting number is the counting number of the counted objects, otherwise, image recognition counting again is performed by the processing unit. By means of the counting verification device, the counting system and the counting method, the accuracy of article counting can be improved.

Description

technical field [0001] The invention relates to the technical field of counting, in particular to a counting verification device, a counting system and a method. Background technique [0002] Item counting is widely used for item production statistics and packaging operations in various industries such as food, medicine, daily chemical products, and hardware. Compared with the traditional manual counting and statistics, the automatic counting system has high work efficiency and accuracy, and is suitable for batch industrial operations. [0003] The principle of weighing and counting is to calculate the total weight of the items divided by their average weight by weighing the total weight of a certain number of items, according to the average weight of the type of items obtained by prior measurement. For weigh counting, it is necessary to obtain the average weight of items of that type. Therefore, the accuracy of weighing counting will be affected by the pre-stored average ...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/34G01G19/42
CPCG01G19/42G06V20/10G06V10/267G06V20/52G06V10/44G06F18/21
Inventor 杨勇王沈辉张凇于清松
Owner METTLER TOLEDO (CHANGZHOU) MEASUREMENT TECH CO LTD