Search found 4 matches

by sinside
Sun Jul 15, 2018 9:41 pm
Forum: Technical Discussion
Topic: how to detect the water line
Replies: 7
Views: 642

Re: how to detect the water line

If you could put a colored float in the tubes it will be a lot easier to detect. I can't add float in the tubes, the liquid in the tubes are different chemical reagents, the float may change its chemical composition. Thank you very much for the suggestion, it provides me a broader idea to solve thi...
by sinside
Sun Jul 15, 2018 9:28 pm
Forum: Technical Discussion
Topic: how to detect the water line
Replies: 7
Views: 642

Re: how to detect the water line

Okay, when you have some pictures from the camera's point of view I'll be able to help more. Note that what you are trying to do is very hard... even with a CNN it's still hard. OK, I will send you the picture when the sample is ready. Maybe we can't find other way to have better result at that tim...
by sinside
Thu Jul 12, 2018 9:58 pm
Forum: Technical Discussion
Topic: how to detect the water line
Replies: 7
Views: 642

Re: how to detect the water line

Color tracking is the easiest thing to do for this... however, it's very hard to do given you don't have much contrast in the scene... How do you plan to mount the camera? Looking at the tubes from this direction? Can you possibly put some sort of background behind the tubes? And maybe color the wa...
by sinside
Wed Jul 11, 2018 2:48 am
Forum: Technical Discussion
Topic: how to detect the water line
Replies: 7
Views: 642

how to detect the water line

Hello, I am new to openmv. I am using openmv for below application which i need to detect the waterline in the picture. could anyone tell me how i can do that? Thanks in advance. Note: 1. the background may change all the time 2. and the water in tube is increasing, 3. i need to send out the signal(...

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