calculate surface threshold

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calculate surface threshold

marielab
Hello,

l would like to calculate the changes in the surface of my cell occurring over a certain period of time (for around 40 images in one video), by establishing a threshold. To do that,  I open my video in imagej, and go to image==>adjust==>threshold, I adjust the threshold to mark the surface of the cell. Because I want to have the value of the threshold for every image, i click on apply and i mark: calculate threshold for each image and list thresholds.  However, when I do this, i can not seem to find the values. Where can I find these values and is this the best way to do this?

Also, for the option method, i choose default. I do not know if this is the best option?

Thanks for your help and feel free to ask for more information.