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A method and device for measuring the stacked quantity of multi-camera cigarette labels

A quantity measurement, multi-camera technology, applied in image data processing, instruments, calculations, etc., can solve the problems of inability to achieve super-high-stacked smoke mark image acquisition, inability to complete high-stacked paper counting tasks, and inability to balance, etc. Achieve the effect of strong real-time performance, simple use method and good stability

Inactive Publication Date: 2018-03-06
HUNAN UNIV
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AI Technical Summary

Problems solved by technology

However, an ordinary single camera cannot balance between high resolution and large measurement range, and cannot realize the collection of ultra-high laminated cigarette label images, so a single camera cannot complete the counting task of high laminated paper

Method used

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  • A method and device for measuring the stacked quantity of multi-camera cigarette labels
  • A method and device for measuring the stacked quantity of multi-camera cigarette labels
  • A method and device for measuring the stacked quantity of multi-camera cigarette labels

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Embodiment Construction

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] The process flow of the multi-camera array cigarette label laminated paper counting method of the present invention:

[0028] (1) Setting and adjusting the imaging device: adjust the installation position of the multi-camera array, and make the multi-camera field of view have enough overlapping areas, and adjust the imaging device according to the category of the current batch of products and the thickness of the stack, mainly including the position of the camera Movement, lens focus, aperture adjustment.

[0029] (2) Obtain side images of cigarette label stacks scanned by a multi-camera array: Place cigarette label stacks on the support platform to obtain multiple scanned images with overlapping areas, and the collected images are directly sent to the line detection and image stitching module.

[0030] (3) The images collecte...

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PUM

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Abstract

The invention discloses a cigarette pack lamination layer number measurement method and device by a multi-camera array. The method comprises the following steps of (1) arranging and adjusting an imaging device; (2) acquiring a cigarette pack lamination layer scanning image, acquiring multiple images of adjacent lamination layer end surfaces with enough overlap regions by the camera array, and transferring the acquired images to a counting module; and (3) carrying out processing such as image correction, maximum narrow-strip direction field linear detection and dotted line dual image splicing on partially-overlapped adjacent images, achieving complete lamination layer end surface image reconstruction, and finally, completing the total measurement of cigarette pack number by vertically transect sampling and counting. The method has the advantages of high measurement accuracy, high instantaneity, wide application range and convenience in operation.

Description

technical field [0001] The invention mainly relates to the field of post-press packaging counting in the printing and packaging industry, in particular to a multi-camera array cigarette label stacking quantity measuring method and device. Background technique [0002] Cigarette labels are packaging boxes for tobacco products, which are high-end printing products. After the cigarette label is printed, it is necessary to accurately count and repack the batch of products, which is not only the control of the inventory, but also the connection with the next process. Traditional mechanical or pneumatic counting devices have the risk of damaging paper and forming scratches, so they are rarely used in cigarette label counting. The method based on machine vision has been widely used due to its advantages of no loss and low error. Among them, there is an urgent need for a non-destructive, high-layer cigarette label real-time quantity detection device. However, an ordinary single c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/00G06T3/40
CPCG06T3/4038G06T2207/30242
Inventor 肖昌炎甄小刚杨硕戴嵘
Owner HUNAN UNIV
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