Machine Vision

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jars sorting

please guide me how i can sort the jars of different size by the length instead of weight .

let us suppose we have 3 different jars

1. 250 gm

2. 500 gm

3. 1 kg.

then by using machine vision how i can sort them by size.

and then is there any defects in the jar of particular size?? how i can detect this ....?

and tell me the websites from where i can find the related materials regarding this ..

please reply early as possible.

thnx

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Message 1 of 8
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Dear Ethernet,

 

Can the three jar sizes be distinguished by their height or by their diameter?  Are these clear glass jars?

Are the jars moving in single file on a conveyor belt, or are the jars randomly positioned at various orientations on a conveyor?

Please tell us more about the requirements.

Robert Eastlund
Graftek Imaging, Inc.
Phone: (512) 416-1099 x101
Email: eastlund@graftek.com
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Message 2 of 8
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Hi,

You may first read the Vision Concept manual to get acquainted with the Vision Development Module functions and image processing techniques in general:

 

Vision Concept Manual

 

In regard to Size, please post images of the jars of your production line in order to be guided wisely as advised by Robert.

Waleed El-Badry MSc.,MCPD, ISTQB Certified Tester
Assistant Lecturer
Mechatronics Department
Faculty of Engineering
Misr University for Science & Technology



View Waleed El-Badry's profile on LinkedIn

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Message 3 of 8
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i am trying to sort out the jars by their size , shape and color.

below attached files are of three size of jars

1. blue  in colour and different shape and 250gm 

2. orange in colour and different shape and 1 Kg

3. Brown in color and different shape and height and 2 Kg.

please tell how we sort out on basis on color , size and shape ..

thnx for previous reply ...

 

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Message 4 of 8
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First dont rename bmp to jpg. Convert it to jpg using paint before posting here. The images are still downloading here.

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Message 5 of 8
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There are lot of easy ways by which you can sort this jars.

 

1. Color of the container cover is varying. (Use color matching)

 

2. The height and width of the jar is varying (Use a clamp)

 

3. The shape of the jar is varying (USe threshold and particle analysis)

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Message 6 of 8
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Dear Nanna,

 

Thank you for posting the pictures of the jars.  Is the full extent of your requirements to differentiate between three types of jars against a white background while they are stationary???  Or will your project be more interesting?  For example, will the jars be moving or changing their presentation to the camera?  Please tell us more about the project.

Robert Eastlund
Graftek Imaging, Inc.
Phone: (512) 416-1099 x101
Email: eastlund@graftek.com
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Message 7 of 8
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hello sir

i  am trying to work out on

1.

shape of the jar by particle analysis. in particle analysis there are many parameters in pixels. but i want to do work in real world units but these checkboxes are not in the active state .how i can active these ?? is there any method to active the checkboxes ????

2

height and width of the jar by clamp . but i am not able to work efficiently in real world units not in pixels .

i am trying to make a NEW CALIBRATION  from follow the steps from the manual but i didn't understand how exactly do this ,..??

please send me some similar examples related to this .from where i can get the proper idea to do this ..or tell me the exact how to do both of the above  for efficiently perform these both the particle analysis, clamp and calibration .

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