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Volume measurement device based on image and its measurement method

A volume measurement and image acquisition device technology, applied in volume measurement instruments/methods, measurement devices, measurement capacity, etc., can solve the problems of the same packaging time and different drug doses, and achieve low cost, simple operation, and high measurement accuracy Effect

Inactive Publication Date: 2008-09-17
CHANGAN UNIV
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  • Abstract
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Problems solved by technology

In this way, there is a problem that the packaging time of each product in different batches is the same, but the dosage is different.

Method used

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  • Volume measurement device based on image and its measurement method
  • Volume measurement device based on image and its measurement method
  • Volume measurement device based on image and its measurement method

Examples

Experimental program
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Embodiment Construction

[0031] refer to figure 1 , the image acquisition device consists of a stage and three cameras (A, B, C) symmetrically arranged on the stage, specifically: the stage is a flat circular surface, and the three cameras are evenly distributed on the stage On the circumference of the table, the depression angle is the same (such as figure 2 shown), the object to be measured is placed in the center of the stage.

[0032] refer to figure 2 , the three cameras are respectively supported by their respective brackets. Each support includes a diagonal rod, a magnetic base, and a vertical rod arranged on the magnetic base. The vertical rod and the diagonal rod are connected by a universal joint. The camera is fixed on the diagonal rod, and the depression angle of the camera can be adjusted through the universal joint. The effective pixel of the camera is preferably 300,000-1 million.

[0033] This embodiment adopts three Medex MS-Xunlei 2USB2.0 cameras with an effective pixel of 1 mi...

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Abstract

This invention relates to the field of object volume survey, which discloses a method based on the image volume metering and the measuring technique. This metering equipment comprises the image gathering installment and the computer. The image collecting installment comprises objective table, as well as three cameras established symmetrically on objective table; Take the above metering equipment as the foundation, this measuring technique including the camera demarcation, image gathering, the image pretreatment, the picture edge extraction, the coordinate transformation, the three dimensional restructuring step, finally counts all three dimensional spots on the measured object, then obtain the actual volume of objects. This invention may be widely applied in areas such as medicine, chemical industry, food, environmental protection, water treatment, building materials, grain micro powdery, the granulated material continual quota throws in Canadian, ingredient craft domains dried noodles batch feeding and so on.

Description

technical field [0001] The invention relates to the field of object volume measurement, in particular to an image-based volume measurement device and a measurement method thereof. technical background [0002] In scientific research and industrial production, in many cases it is necessary to obtain the volume of related objects, but it is inconvenient to measure directly, such as the case where the measured substance has characteristics such as flammable, explosive, and highly toxic. At this time, a non-contact volume measurement device and measurement method that are different from traditional methods are required. [0003] In addition, in the field of dry powder material feeding, it is also necessary to dynamically measure the volume of the material. Especially in the process of drug production, the packaging of powdered drugs is very important. The current drug production line is filled in an automatic way. In order to ensure that the dosage of each product is the same, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00G01F22/00G06T7/00G06T17/00
Inventor 韩毅王畅赵彩霞
Owner CHANGAN UNIV
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