ImageJ analysis: Measuring the diameter/length and area of multiple pictures simultaneously

[@souheilasemache6142]

Excellent video, how can I use imagej to measures crack width and opening and distance between cracks a renforced concrete beam? Please help me, thanks you

[@shivam5119]

hii souhelia can you mail me on [e-mail]

[@h.p.weerasuriya7278]

no sound:(