How to detect the threshold of a graph

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Ghulam
Ghulam 2019-11-4
评论: Ghulam 2019-11-11
Hi,
I am working on a project in which the value shoots up after a small time.
threshold1.png
threshold2.png
I want to know that how to findout the value from which its shooting up and the point at which its coming down. I have encirle the points with red.
Anyone pls guide me about it.
Thanks
  1 个评论
KALYAN ACHARJYA
KALYAN ACHARJYA 2019-11-4
Are you looking for maximum change (shoots) as compared with previous data points?

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回答(1 个)

KALYAN ACHARJYA
KALYAN ACHARJYA 2019-11-4
编辑:KALYAN ACHARJYA 2019-11-4
Steps:
  1. Find diff of y
  2. Find Max of step 1
  3. x=x(find(y==result of step 2)) % If x also required
  7 个评论
Ghulam
Ghulam 2019-11-11
Thanks a lot Kalyan,
Its the maximum shoot, the others could be considered as a noise.
Ghulam
Ghulam 2019-11-11
Thanks Image Analyst
I will try this too and will upload my result and obstruction in achieving it.

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