回复： track particulates in a canal

[jarod0305]

hi,everyone

i am now working with a project about the reseach of particulates in movement in a canal.

through a medical camera i can get videos of the moving particulates in a very small canal,the particulates move from one end of the canal to the other  and the movepath is  not straight.

i think,the difficult part is that  sometimes the particulates split into several parts and sometimes they merge with other small ones,so during the observation  the particulate's shape is changing continuouly

what i need is to track every particulate at the just first time that it goes into my sight until it leaves away and to get the area at any time

i have  tried to set  template and do the analysis ,however every particulate has different shape and it changes itself always

i have really hard tried ,any advice, example code, or direction would be appreciated.

best regards

jason

[jarod0305]

Can someone help me?

[BruceAmmons]

Can you post a few pictures?  It is hard to make suggestions without seeing any images.

Based on your description, I would consider thresholding to a binary image and using blob analysis.  Depending on the speed of the particles, you could search in the local area of each particle for the one most similar to it in successive images.

Bruce

[muks]

Yes post a few images else we can only guess.........

[jarod0305]

hallo,upstairs,i have pasted several picts.

wait for your advice

thands a lot

[jarod0305]

please,can someone give me some clue?

i have planed to divide the image to several regions and do particleanalysis in every region,otherwise i don't know how can i track the particulate